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Having talk group

Subclass of:

455 - Telecommunications

455039000 - TRANSMITTER AND RECEIVER AT SEPARATE STATIONS

455500000 - Plural transmitters or receivers (i.e., more than two stations)

455507000 - Central station (e.g., master, etc.)

455517000 - To or from mobile station

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
455519000 Talk group forming (e.g., dynamic regrouping, talk group assignment) 35
455520000 On-site or multi-site trunking 3
20080268891Method and Device for Power Overload Control of the Trunking Group Forword Supplimental Channel - A method and device for power overload control of the trunking group forward supplimental channel are disclosed, the method includes: reducing or increasing the higher limit of forward supplimental channel transmitting power of the sector trunking group users correspondingly based on whether the sector power is overload, and setting it as the target maximum transmitting power of the trunking group forward supplimental channels; dividing the trunking group users into groups based on the channel board, and determining the adjusting step size based on the ratio between the trunking group combining transmitting power of the users divided and the forward supplimental channel shared transmitting power of the sector trunking group, and the comparison between the forward supplimental channel shared transmitting power of the sector trunking group and the target maximum transmitting power of the trunking group forward supplimental channels, and adjusting the higher limit of the forward supplimental channel transmitting power of sector trunking group based on the adjusting step size. The invention solves the problem of the trunking group calling forward supplimental channel shared transmitting power overloads caused by nonlinear addition of the trunking group calling forward supplimental channel shared transmitting power.10-30-2008
20100216503METHOD AND SYSTEM FOR TERMINAL PTT REGISTRATION BASED ON CDMA TRUNKING SYSTEM - The present invention provides a method of terminal PTT registration based on CDMA trunking system and the system thereof, comprising: a user terminal is powered and a normal CDMA registration flow is completed, and afterwards the value of a PTT registration message counter is initialized; the user terminal sends a PTT registration message to a dispatching sub-system (server) and starts a PTT registration timer; and a corresponding process is performed according to the response message from the dispatching server, which is the reception of the trunking registration or the rejection of the trunking registration. Therefore the terminal with CDMA trunking function can avoid the problem caused by a failed PTT registration.08-26-2010
20120046062METHOD AND APPARATUS FOR COMMUNICATING AMONGST TWO-WAY RADIOS - A method and apparatus for communicating amongst two-way radios is disclosed. The method includes operating a two-way radio 02-23-2012
Entries
DocumentTitleDate
20110201375SYSTEM AND METHOD FOR SELECTIVE MEDIA OBJECT REMOVAL IN GROUP COMMUNICATIONS AMONG WIRELESS COMMUNICATION DEVICES - A system and method for selectively removing a media object from a group communication that includes media that may not be accessible or executable by all target members of the group. The group communication can have one or more discrete media objects that are sent from an originating wireless communication device across a wireless communication network and received at a group communication server that controls group communications between a group of member wireless communication devices and determines the media-handling capability of the target wireless communication device members of the communication group. Upon a determination that a media object sent is unable to be handled by at least one target wireless communication device, the group communication server removes the one or more media objects notifies the originating wireless communication device and/or that target wireless communication device of the removal of the media object.08-18-2011
20110195739COMMUNICATION DEVICE WITH A SPEECH-TO-TEXT CONVERSION FUNCTION08-11-2011
20100075708Method and system for notifying absence in PTT service, and portable terminal adapted thereto - A method and system for notifying a first portable terminal regarding the absence of a second terminal in a Push-To-Talk (PTT) service. The system allows a first portable terminal user to transmit an absence notifying message to the second portable terminal user, and displays an absent state of the first portable terminal user when the second portable terminal user requests a PTT connection with the first portable terminal user. Therefore, the system enables the second portable terminal user to recognize the absent state of the first portable terminal user.03-25-2010
20130084912SYNCHRONIZING FLOOR CONTROL AND MEDIA SHARING IN A HALF-DUPLEX PTT SYSTEM - The disclosure is directed to synchronizing media sharing in a communication group. An embodiment transmits one or more media files to one or more members of the communication group, receives, after the transmitting, a selection of one of the one or more media files, and transmits, in response to the receiving, a request to start a group call with the one or more members of the communication group or a request to acquire the floor of the group call. An embodiment receives, at a user device, one or more media files from a member of the communication group, receives, after the receiving the one or more media files, a talk spurt from the member and a reference to one of the one or more media files, and displays the one of the one or more media file during the talk spurt.04-04-2013
20130084911SYSTEM AND METHOD FOR PROVIDING A PUSH TO TALK OVER CELLULAR SERVICE - A system and method are provided that provide Push to talk over Cellular (PoC) service via a PoC server. The method includes receiving, by the PoC server, a PoC group call request for requesting a PoC connection for a PoC group from a first User Equipment (UE); extracting information regarding a cell where a second UE that belonged to the PoC group is located, according to the received PoC group call request; comparing a number of current PoC connections corresponding to a cell with a maximum number of PoC connections to the cell; and establishing a PoC connection with the second UE, if the number of current PoC connections is less than the maximum number of PoC connections.04-04-2013
20130210476Method Of Requesting A Communication Session Using Segmented Signaling Messages - An originating mobile station seeks to establish a push-to-talk (PTT) communication session with a destination mobile station. To do this, the originating mobile station transmits a first request message that requests the PTT session. Before receiving a predefined indication that the requested PTT session has been accepted, the originating mobile station transmits a first continuation message that includes first session description information to facilitate establishment of the PTT session. A PTT server receives the first request message and, before receiving the first continuation message, transmits to the destination mobile station a second request message that requests the PTT session. The PTT server then transmits a second continuation message that includes second session description information. The destination mobile station receives the second request message and, before receiving the second continuation message, transmits an acceptance message indicating acceptance of the requested PTT session.08-15-2013
20130210475ADAPTERS FOR FACILITATING HALF-DUPLEX WIRELESS COMMUNICATIONS IN PORTABLE ELECTRONIC COMMUNICATIONS DEVICES, AND SYSTEMS COMPRISING SAME08-15-2013
20130029715Push-to-Talk Mobile Terminal - A push-to-talk mobile terminal is disclosed, and includes a mobile terminal body of push-to-talk. The mobile terminal also includes: a multifunctional interface socket and peripheral devices, wherein, one end of the multifunctional interface socket is connected with the mobile terminal body, and the other end is connected with the peripheral devices; the mobile terminal body includes a switch interface, and the mobile terminal body is connected with the multifunctional interface socket through the switch interface; the peripheral devices include an external Push To Talk (PTT) keyboard for controlling conversations of the push-to-talk mobile terminal. Therefore, the provided push-to-talk mobile terminal not only facilitates users to use and guarantees traffic safety, but also can enhance conversation effect and be easy to carry.01-31-2013
20130029714USING A PUSH TO TALK OVER CELLULAR INFRASTRUCTURE FOR RADIO COMMUNICATIONS - At least one subscriber unit (SU) (01-31-2013
20130040687SYSTEM AND METHOD FOR SHARING MEDIA IN A GROUP COMMUNICATION AMONG WIRELESS COMMUNICATION DEVICES - A system, method, and wireless communication device for sharing media in a group communication among a plurality of wireless communications devices, such as among a Push-to-Talk (PTT) group. A wireless communication device that is a member of the communication group can send group-directed media, such as graphics, multimedia and applications, to other members of the communication group, either during a ongoing PTT communication, or independently there from. In one embodiment, a communication computer device stores information on communication groups on the wireless communication network that includes the member wireless communication devices of one or more communication groups, and receives group-directed media from a sending wireless communication device sends the group-directed media either directly to the other member wireless communication devices of the communication group or stores the group-directed media such that the other member devices can access and download the group-directed media.02-14-2013
20130040686SYSTEM AND METHOD FOR SHARING MEDIA IN A GROUP COMMUNICATION AMONG WIRELESS COMMUNICATION DEVICES - A system, method, and wireless communication device for sharing media in a group communication among a plurality of wireless communications devices, such as among a Push-to-Talk (PTT) group. A wireless communication device that is a member of the communication group can send group-directed media, such as graphics, multimedia and applications, to other members of the communication group, either during a ongoing PTT communication, or independently there from. In one embodiment, a communication computer device stores information on communication groups on the wireless communication network that includes the member wireless communication devices of one or more communication groups, and receives group-directed media from a sending wireless communication device sends the group-directed media either directly to the other member wireless communication devices of the communication group or stores the group-directed media such that the other member devices can access and download the group-directed media.02-14-2013
20090156246PUSH-TO-TALK TERMINAL, SERVER APPARATUS, AND METHOD OF NOTIFYING TERMINAL OF ACQUIRED RIGHT TO SPEAK - Provided is a Push-to-Talk (PTT) terminal having a user interface that makes it possible to immediately verify by sound who has acquired the right to speak at the time of PTT communication. The Push-to-Talk terminal has means for previously selecting and setting user-set melody data to be reproduced at acquisition of right to speak in the PTT function, and means for reproducing the selected and set user-set melody data, and transmitting the selected and set user-set melody data to the other terminals of the group by the PTT function, at acquisition of the right to speak in the PTT function. Following the sounding of a tone confirming acquisition of the right to speak (step S06-18-2009
20090137263SYSTEM AND METHOD FOR PROVIDING LOW OVERHEAD FLOOR CONTROL IN A DISTRIBUTED PEER-TO-PEER COMMUNICATIONS NETWORK - A system and method for providing low overhead floor control in a distributed control two-way radio communications network (05-28-2009
20100029314Radio Communication Terminal and Server - A radio communication terminal according to the present invention is capable of performing group call by specifying multiple members. The radio communication terminal includes: a generator configured to generate a message during the group call; an acquisition unit configured to acquire information on a non-participating member of the group call among the specified members of the group call; and a transmitter configured to specify a destination for the message generated by the generator, on the basis of the information on the non-participating member acquired by the acquisition unit, and to transmit the message to the non-participating member.02-04-2010
20120165061METHOD, APPARATUS, COMPUTER PROGRAM PRODUCT AND SYSTEM FOR PROVIDING DYNAMIC ASSIGNMENT OF SESSION CAPABILITIES - An apparatus for providing dynamic assignment of session capabilities such as buddy list capabilities includes a processing element. The processing element may be configured to receive a message associated with a communication session with a network node, acquire service plan based capabilities associated with the network node, receive device based capabilities associated with the network node, and determine session based capabilities associated with the service based on the device based capabilities and the service plan based capabilities on a per subscriber basis.06-28-2012
20120165060DELIVERY OF IDENTIFICATION INFORMATION - When a communication session is implemented, the communications of a direct mode terminal may be mediated via a direct mode gateway such that messages of a direct mode first terminal are addressed with identification information of the direct mode gateway. In the invention identity information of a user of the direct mode terminal is delivered to a trunked mode terminal in a user plane signalling message of the communication session. In terminal procedures identity of the direct mode gateway may be replaced by identity information received in the user plane signalling message. Identity of the direct mode terminal is then in a simple manner made available to terminal procedures of the trunked mode terminal.06-28-2012
20130045769METHOD AND SYSTEM FOR QUERYING GROUP'S DISPATCHING AREA INFORMATION - The disclosure discloses a method for querying group's dispatching area information, which comprises: a user sending a request for querying group's dispatching area information to a base station through a user terminal; and the base station querying the group's dispatching area information according to request for querying the group's dispatching area information, and returning a response to the group's dispatching area information query to the user terminal. The disclosure also discloses a query system for the querying group's dispatching area information correspondingly. The present invention can improve the validity, the dispatching reliability and accuracy of the group call.02-21-2013
20130053087METHOD FOR TRIGGERING COMMUNICATION BETWEEN GROUP OF MTC DEVICES AND MTC SERVER, AND MTC DEVICE - The present invention discloses a method for triggering communication between a group of MTC devices and an MTC server, and an MTC device. The method includes: receiving an MTC request message sent by a machine type communications MTC server, where the MTC request message carries a group ID of the group of MTC devices and a communication notification message for the group of MTC devices; obtaining area information of the group of MTC devices; and sending the area information, the group ID of the group of MTC devices, and the communication notification message for the group of MTC devices to a cell broadcast center CBC, so that the CBC sends a broadcast message to a device in an area, where the broadcast message includes the group ID of the group of MTC devices and the communication notification message for the group of MTC devices.02-28-2013
20090325621METHOD AND COMMUNICATION SYSTEM FOR PROVIDING A CONTENT DELIVERY SERVICE THROUGH PUSH-TO-TALK - A method of providing a content delivery service to an actual user of a communication system supporting push-to-talk. The content delivery service includes delivering a content to the actual user, wherein the method includes associating a virtual user to said content; establishing a push-to-talk session involving the actual user and the virtual user; and delivering the content from the virtual user to the actual user through the established push-to-talk session.12-31-2009
20130059624FAST ADAPTIVE POWER CONTROL FOR A VARIABLE MULTIRATE COMMUNICATIONS SYSTEM - A system and a method of controlling transmitter power in a wireless communication system in which user data is processed as a multirate signal in which the user data signal having a first rate is converted into a transmission data signal having a faster second rate for transmission. The transmission power is adjusted on a relatively slow basis based on quality of data received by a receiver of the transmitted data. The transmitter power is determined as a function of the first and second rates such that a change in the data rate in the multiple channels or the rate of the transmission data signal is compensated in advance of a quality of data based adjustment associated with such data rate change.03-07-2013
20130072249METHOD AND APPARATUS FOR DELIVERING INFORMATION TO AN IDLE MOBILE STATION IN A GROUP COMMUNICATION NETWORK - Delivering information to an idle mobile station in a group communication network includes delivering the information to the mobile station in special form, e.g., short data burst (SDB) form, if the information is smaller than a predetermined size limit. In one embodiment, the information is encapsulated inside a frame, forwarding the frame to a server for delivery to the mobile station, and causing the server to extract the information from the frame and deliver the information to the mobile station on a forward common channel. Another aspect provides for receiving information for delivery to the mobile station, the information being tagged for delivery on a forward common channel, and delivering the information to the mobile station on the forward common channel. Another aspect delivers the information when the mobile station is in idle state with no traffic channel.03-21-2013
20130059623SESSION-TRIGGERED PUSHING OF GROUP COMMUNICATION DATA - Exemplary techniques for sending data packages, such as media objects, during group communication sessions between wireless telecommunication devices, such as push-to-talk communication sessions, are disclosed. In one embodiment, the data packages, such as discrete data packages, are queued at the transmitting wireless communication device and then sent to other group members upon establishment of channels for group communications to the group members. The data packages can also be queued at the group communication server prior to being sent to a target device.03-07-2013
20130059622METHOD AND APPARATUS FOR PROVIDING A GROUP COMMUNICATIONS FOLLOW MODE - A method and apparatus for enabling a group communications follow mode at a first group communications (GC) user equipment (UE) device. A GC server receives a request from a first client UE device to follow a second Client UE device, and responsively: affiliates the first client UE device with a same one or more talk groups with which the second client UE device is currently affiliated, monitors for talk group affiliation and disaffiliation requests from the second client UE device and automatically affiliates or disaffiliates both the first client UE device and the second client UE device from a first particular talk group in accordance with a corresponding affiliation or disaffiliation instruction received from the second client UE device.03-07-2013
20090017856Transfer of Part of a Push to Talk Session - A method and apparatus for transferring part of a push to talk type session from a first mobile terminal to a second mobile terminal. The first terminal sends a SIP REFER message to a PoC server controlling the session. The SIP REFER message identifies the second terminal and the part of the session to be transferred. The transferred part may be a media type that is not supported or accepted by the first terminal. The PoC server sends a SIP INVITE message to the second terminal and indicates the part of the session to be transferred. The PoC server may send NOTIFY messages to the first terminal indicating the status of the transfer. If the transfer is accepted, the PoC server may send a confirmation to the first terminal, which may then send a re-INVITE message to the PoC server to remove responsibility for the transferred part of the session.01-15-2009
20090270120METHOD AND APPARATUS FOR SUPPRESSING A RESPONSE FROM A TERMINAL OPERATING IN A GROUP COMMUNICATIONS SYSTEM - An apparatus and associated method, wherein the method provided for facilitating receiving a request that requires a reply within a first time, determining a first maximum time to reply using a first criteria, wherein the maximum time to reply is less than the first time, and selecting a reply time, wherein the reply time is not greater than the maximum time to reply.10-29-2009
20120225686Push-to-talk optimization - A push to talk message protocol operating on a communication network between an originating and terminating communication device operates to transmit compressed message formats to initiate the push to talk message protocol. Four compressed session protocol message formats are used in the preferred embodiment. A compressed originating session initiation invite message is transmitted from the originating mobile station. A compressed terminating session initiation invite message is received by the terminating mobile station. A compressed session initiation protocol ping message is transmitted from the originating mobile station and received by the terminating mobile station. A compressed 200 OK session initiation protocol message is transmitted from the terminating mobile station and received by the originating mobile station. Finally, the originating mobile decompresses the 200 OK session initiation protocol message. These compressed messages are used to initiate the push to talk communication session.09-06-2012
20120225685WIRELESS GROUND SUPPORT SYSTEMS - A wireless intercom has a releasably coupled wired interface to an external aircraft communications socket and the wireless intercom is coupled to the aircraft proximate the socket, preferably in a custom bag hung by a releasable mechanical coupling to the aircraft. The wireless intercom provides signal communication and management between a ground crew tug driver headset and the pilot via the socket and, in various embodiments, to a trainer headset and/or to one or more wing walker headsets. If the wireless intercom loses communications with the tug operator headset during ground operations, an alarm is sent to the pilot via the socket. The wireless intercom, in alternate embodiments, enforces a priority scheme for calls going to one or more of the headsets. The wireless intercom and headsets are powered by rechargeable batteries. Each embodiment includes a customized weather-resistant case for holding at least the other elements of that embodiment.09-06-2012
20130165173Methods And Apparatus For Providing PTT Data Buffering Support Indications From Mobile Devices And PTT Data Buffering Control By Wireless Networks - In one illustrative example, a technique in a mobile communication device which is operative in a wireless communication network for Push-To-Talk (PTT) communications involves receiving, at the mobile communication device, presence information associated with at least one other mobile communication device, the presence information including at least one of a current availability indication or capability indication; and buffering a PTT communication prior to its transmission from the mobile communication device based on the presence information. The current availability or capability indication may be an automatic answering indication or a media capability indication, as examples.06-27-2013
20120196640SYSTEM, VOICE CABLE ASSEMBLY, AND METHOD FOR VOICE COMMUNICATION - Disclosed is a system for voice communication that includes a power supply assembly, at least one handset configured to transmit voice signals, a voice cable assembly communicably coupled with the power supply assembly and the at least one handset, and a main terminal communicably coupled with the voice cable assembly. The voice cable assembly includes a cable harness configured to receive a predetermined power from the power supply assembly and to receive voice signals from the at least one handset. Also, the voice cable assembly includes a voice cable circuit card assembly communicably coupled with the cable harness to receive the predetermined power and the voice signals from the cable harness. The voice cable circuit card assembly is configured to adapt the voice signals by utilizing the predetermined power in order to match a predefined voice requirement. Further disclosed are a voice cable assembly and a method for voice communication.08-02-2012
20120115530APPARATUS AND METHOD FOR SIGNALING FOR GROUP COMMUNICATION IN BROADBAND WIRELESS ACCESS SYSTEM - An apparatus and a method for setting a group communication session using a wireless access system are provided. The method includes transmitting, at a transmission side client, a message requesting start/end of group communication to a control Push To Talk (PTT) server, transmitting, at the control PTT server, a session set/end message including a sequence number to a participating PTT server, multicasting, at the participating PTT server, a connect/disconnect request message N times for at least one reception side client, and setting/releasing, at the at least one reception side client, a session for the group communication.05-10-2012
20130165171METHOD AND APPARATUS FOR PROVIDING SESSION INITIATOR PRIVILEGE, PRIORITY AND PRESENCE NOTIFICATION FOR PUSH-TO-TALK CHAT GROUP COMMUNICATIONS - A method for providing presence notification for PTT chat group communications includes a server receiving, from a communication device of a member of a chat group, a session initiation message to start a session for the PTT chat group. The session initiation message includes a member-selected priority. The server generates an event notification message that includes an indication that the chat group is active and has been assigned a priority, and sends the event notification message to communication devices of at least some of the other chat group members. Additionally, where a group priority has been assigned to the chat group, the group priority is assigned to the session. Otherwise, the member-selected priority is assigned to the session.06-27-2013
20130165172METHOD OF EXCHANGING DATA BETWEEN COMMUNICATION TERMINALS - A communication system which includes a plurality of communication terminals, each communication terminal includes: a memory that stores a group attribute representative of an attribute of a group, the group attribute assigned to a communication terminal or a user of the communication terminal; a communication unit that transmits the group attribute stored in a memory of a correspondent terminal located within a predetermined range from the communication terminal, and receives a group attribute stored in a memory of the correspondent terminal; and a controller that compares the group attribute received by the communication unit with the group attribute stored in the memory of the communication terminal and initiates selectively one of a first information processing and a second information processing based on a result of the comparison.06-27-2013
20080233990Method for Implementing Push-to-Talk Over SIP and multicast RTP Related System - A method of implementing push-to-talk (PTT) communication between network phone clients utilizing Session Initiation Protocol (SIP) Voice over Internet Protocol (VoIP) and multicast RTP, includes pushing a “Talk” button on a talking client to generate a PTT invitation message (via SIP INVITE or MESSAGE), transmitting the PTT invitation message from the talking client to a SIP server, transmitting the PTT invitation message from the SIP server to a PTT server, consulting a group list stored on the PTT server to identify a plurality of receiving clients associated with the talking client, sending the PTT invitation message from the PTT server to the plurality of receiving clients, the PTT server receiving acknowledgement of the PTT invitation message from the plurality of receiving clients. The PTT server arbitrates the token-requests of the clients, translates a unicast-to-multicast RTP of token-request and talk-burst packets, and then broadcasts to all clients.09-25-2008
20080214223Push-to-talk pressing device - A PTT pressing device for pressing a PTT switch in a continuous manner. The PTT pressing device comprises a PTT pressing element, whereby the PTT pressing element presses the PTT switch to its pressed state, and a mounting element, whereby the mounting element is mounting the PTT pressing element over the PTT switch in a stable manner. The PTT pressing element and the mounting element may be a single element.09-04-2008
20100009708COMMUNICATING SYSTEM, SERVER, COMMUNICATING TERMINAL, AND RECORDING MEDIUM - A communicating system includes: a plurality of communicating system terminal including a communication unit that transmits and receives audio or video data and a reproducing unit that reproduces the data received by the communication unit; and a server including an administering unit that administers the plurality of communicating terminals as a communication group, an approving unit that approves the transmission of the data by one of the communicating terminals of the communication group, a receiving unit that receives the data transmitted by the one of the communicating terminals, and a transmitting unit that transmits the data received by the receiving unit to the other communicating terminals of the communication group.01-14-2010
20100267411System And Method For Granting Transmit Capability In A Push To Communicate System - One illustrative technique is performed in a requesting terminal of a plurality of terminals of a communication group for a communication session delivered via a network. Each terminal has communication capabilities within the communication group, such that a currently-transmitting terminal in the communication group is given a transmit capability using a talk channel while all other terminals of the communication group have a receive capability. The requesting terminal, which is not the currently-transmitting terminal, receives a user input for selecting a responding terminal of the communication group for responding in the communication session. The requesting terminal then transmits, while the transmit capability is given to the currently-transmitting terminal, a request for the network to grant the responding terminal the transmit capability. The request includes an identification of the responding terminal.10-21-2010
20100273516METHOD AND SYSTEM FOR PROCESISNG POC AD-HOC GROUP SESSION INFORMATION USING RTCP CONNECTION MESSAGE - Methods and apparatuses are provided for establishing a group session requested by the transmitting-side PoC client. Register of a service setting for receiving invitee information in the receiving-side PoC server is requested. A RTCP connection message is received from the receiving-side PoC server. The invitee information in the RTCP connection message is identified and the invitee information is provided to a user. An input of whether or not establishment of the group session has been accepted is received from the user. An RTCP response comprising the input of whether or not establishment of the group session has been accepted is created, and the RTCP response is transmitted to the receiving-side PoC server.10-28-2010
20100016008PRIORITIZATION OF GROUP COMMUNICATIONS AT A WIRELESS COMMUNICATION DEVICE - An embodiment is directed to switching between server-arbitrated group communication sessions at an access terminal (AT) within a wireless communications system. The AT participates in a first group communication session when it receives an announce message announcing a second group communication session, acquires priority levels for the first and/or second group communication sessions and determines whether to switch between sessions based on the priority level(s). In another embodiment, the AT participates in a given processing task (e.g., a gaming session, a voice call, a group session, etc.) when it receives an alert that relates to a group communication session. If the alert is specially configured to force the given access terminal to drop the given processing task, the AT drops the given processing task irrespective of whether the AT later joins the announced group communication session.01-21-2010
20100120463METHOD AND PoC GATEWAY FOR IMPLEMENTING PoC SERVICE - The present disclosure discloses a method for implementing a Push to talk over Cellular (PoC) service and a PoC gateway so as to shorten the process for a terminal to implement a PoC service. The method includes: receiving a request from a first terminal for setup of a session with a second terminal; sending a registration request to an IP Multimedia Subsystem (IMS) core network after receiving the session setup request; receiving a registration success response from the IMS core and sending the session setup request to a PoC server, which forwards the request to the second terminal; receiving a session setup success response from the second terminal via the PoC server; and sending the session setup success response to the first terminal. The present disclosure also discloses a PoC gateway. With the present disclosure, the application of the PoC service will be wider.05-13-2010
20100087218 VEHICLE COMMUNICAITONS SYSTEM - The improved vehicle crew communication system provides an increase in the number of wireless headsets that can be used with one base station, an increase range from the vehicle for operation of said headsets, full duplex operation communication over digitally encrypted DECT protocol links from one base station to a plurality of headsets, pairing of each headset to a particular base station, use of wireless technology inside and outside of the vehicle, automatic channel and link selection to transparently avoid interfered-with channels and links, removal of the need to manually select a channel on the headset, and the combination of the noise-cancelling microphone with noise threshold, noise attenuation, and line echo cancellation tuned to intercom parameters.04-08-2010
20090264144Communication Apparatus, Communication Control Method, and Information Display Method - In a case where a PTT start notification is received at a communication part 10-22-2009
20090280849METHOD AND APPARATUS FOR ADAPTIVE DYNAMIC CALL SETUP BASED ON REAL-TIME NETWORK RESOURCE AVAILABILITY - An apparatus and method for adaptively enabling a PTT communication with efficient resource allocation in a radio access network. After a user uses a mobile device to activate a PTT call, the mobile device checks the network condition before transmitting a PTT call origination request to a PTT server. The mobile device monitors the network condition by tracking the failure rate of prior network resource requests. If the failure rate is below a threshold, the PTT call origination request is sent to a network server before or at the same time with a quality-of-service (QoS) network resource request.11-12-2009
20090291703METHOD AND SYSTEM FOR ESTIMATING STATION NUMBERS IN WIRELESS COMMUNICATIONS - Consistent with the disclosed embodiments, a method for evaluating the number of mobile stations in a target group uses a processor to execute instructions to perform the method. The method may initiate a counting event using the processor. In response to the counting event, a counting request message may be transmitted over a first communication channel. The counting request message may comprise a code set. The code set may comprise a plurality of orthogonal codes. In response to the counting request message transmitted, receipt of a first counting response message over a second communication channel may be confirmed. The counting response message may comprise a first code. The first code, consistent with some embodiments, may comprise content corresponding to a portion of the code set. Based in part on confirmation of receipt of the counting response message, the number of mobile stations in the target group may be determined independent of a connection status of each mobile station.11-26-2009
20090280851METHOD FOR ESTABLISHING A PUSH-TO-TALK COMMUNICATION LINK - The invention relates to a method for establishing a push-to-talk-(Ptt) communication link between two Ptt devices (11-12-2009
20080274762Method and apparatus for obtaining group information by an invited user during a session - The present invention relates to a method for obtaining group information by an invited user in a Push-to-Talk over Cellular (PoC) session. The method comprises: sending, by a PoC client where a user initiating the session is located, a session request message carrying information about the user initiating the session and the session group member information to a PoC server; and sending, by the PoC server, the session request message carrying the information about the user initiating the session to a PoC client where the invited user is located. The PoC server sends session group member information to the PoC client where the invited user is located, so that the invited user is able to know the session group member, or refer to the session group member information to determine subsequent operations. The present invention has also disclosed a PoC system.11-06-2008
20100248772PUSH-TO-TALK TELECOMMUNICATIONS SYSTEM UTILIZING A VOICE-OVER-IP NETWORK - A method and system to provide push-to-talk from one user to another in a wireless packet data telecommunications network is described. The system may include: a wireless communication network including push-to-talk (PTT) functionality, with a Session Initiation Protocol (SIP) Proxy Server; a SIP Registrar and Location Server operable to store contact addresses of active mobile devices; a Realtime Transport Protocol (RTP) Media Gateway (PTT Server) operable to function as a call endpoint for each of a plurality of mobile devices wherein the plurality of mobile devices are segmented into membership groups, the PTT Server further operable to multicast a communication from one member of the group to the other members of the group; and an Internet Protocol (IP) network interconnecting the SIP Proxy server, the SIP Registrar and Location Server, and the PTT Server.09-30-2010
20100248771SELECTIVELY ALLOCATING DATA CHANNEL RESOURCES TO WIRELESS COMMUNICATION DEVICES WITHIN A WIRELESS COMMUNICATIONS SYSTEM - In an embodiment, an access network (AN) receives a request to allocate a given data channel (e.g., a traffic channel (TCH), Quality-of-Service, an Internet Protocol (IP) address, etc.) to a given wireless communication device (e.g., a call originator, a call target, etc.). The AN determines whether the given data channel is available for allocation to the wireless communication device. If the AN determines the given data channel not to be available for allocation to the wireless communication device, the AN determines a priority score to be associated with the received request. The AN initiates one of a plurality of data channel acquisition procedures (e.g., a preemption procedure, a queuing procedure, etc.) if the determined priority score is above at least one priority score threshold, each of the plurality of data channel acquisition procedures configured to obtain the given data channel in order to service the received request.09-30-2010
20100248770DETERMINING LATENCY IN A WIRELESS COMMUNICATIONS SYSTEM - In an embodiment, a given access terminal (AT) detects a request to initiate a Push-to-Talk (PTT) session, and stores first time information indicative of when the request to initiate the PTT session is detected. The given AT sends the request as a message to an access network, which forwards an announce message to announce the PTT session to a plurality of access terminals. At least one of the plurality ATs accepts the announce message to join the PTT session, and the access network sends a message to the given AT granting permission to begin the PTT session. The given AT stores second time information indicative of when the permission is received, and sends PTT latency information based on the first and second time information to the access network, the PTT latency information related to an initial PTT latency of the PTT session.09-30-2010
20080287154Methods and Apparatus for Push to Talk Type Service - A method for use in a push to talk type service in which a floor is required before a client terminal may distribute a media item to at least one other terminal participating with the client terminal in a push to talk type session. According to the invention, the floor is managed depending upon information relating to the size of the media item, and may be managed depending upon other criteria as well. Managing the floor may include one or more of granting the floor, maintaining the floor, monitoring the floor, and releasing the floor. The floor may be denied, for example, if the media item is larger than a predetermined size, which size may be indicated as being within a range of sizes. The push to talk type service may be a general conferencing service.11-20-2008
20080305820METHOD AND APPARATUS FOR ARBITRATING ONE OR MORE MEDIA STREAMS WITHIN A SINGLE PoC SESSION - A method of managing a Push-To-Talk over Cellular communication session includes establishing, with a first user equipment, a Session Initiation Protocol Push-To-Talk session that includes a Session Initiation Protocol Push-To-Talk server and at least one second user equipment. The method also includes designating, with the first user equipment, either the Session Initiation Protocol Push-To-Talk server or one of the at least one second user equipment, to act as an arbiter of a media stream. The method further includes transmitting, with the first user equipment, while engaged in the Session Initiation Protocol Push-To-Talk session, the media stream directly to at least one of the at least one second user equipment without receiving a transmit instruction from the Push-To-Talk server.12-11-2008
20080311945AUTOMATICALLY SWITCHING A TDMA RADIO AFFILIATED WITH A FDMA SITE TO A TDMA SITE - A method and system for dynamically triggering re-connection of a TDMA-capable radio to a TDMA-based talk group via a TDMA site. The dynamic re-connection is triggered by the group call controller when an initial request for connection to the TDMA-based talk group is made through an FDMA site by the TDMA-capable radio.12-18-2008
20080311946SYSTEM AND METHOD FOR DYNAMICALLY PROVIDING CONTROL PLANE CAPACITY - A system and method for dynamically provisioning control plane signaling capacity for each base site in a communication system. Each base site is configured to monitor at least one criteria, such as a control plane traffic throughput level, of at least one control channel. If the criteria indicate that that additional control plane signaling capacity is required, the base site assigns an available communication channel as an additional control channel to transmit control plane signaling and causes selected talk groups to move to the additional channel. If the criteria indicate that the control plane signaling capacity should be decreased, the base site selects a control channel to be de-assigned from the control plane and causes talk groups associated with the selected control channel to another available control channel.12-18-2008
20080207242AUDIO NICKNAME TAG - A system receives an audio nickname tag related to a push-to-talk (PTT) user, and associates the audio nickname tag with the PTT user.08-28-2008
20110190021System And Method For Providing Notice-Based Communications Through Dynamic Communication Device Registration - A computer-implemented system and method for providing notice-based communications through dynamic communication device registration is provided. Registrations of communications devices are maintained on a notice server. Subscriber parameter information selected by their respective subscriber is stored. Descriptive parameters, which have been selected from the group comprising personal, cultural, social, religious, political, commercial physical, types of people, types of places, types of businesses, types of services, interests of the subscriber and needs of the subscriber, are received. Localized physical coverage area preferences are received. A list of subscriber groups including such subscriber parameter information for the communications devices is continually monitored at the notice server. The descriptive parameters between the communications devices are matched. Those communications devices that are physically located within the localized physical coverage area selected by their respective subscribers are determined. A mobile communications device that is physically located within the localized physical coverage area is notified.08-04-2011
20080268890Enchanced Transmission Quality In Push-To Talk System - The present invention relates to methods and arrangements to enhance transmission quality in a Push-to-Talk system comprising a sending mobile unit MB10-30-2008
20100137015METHOD AND APPARATUS FOR DUAL/MULTI-WATCH FOR GROUP PTT SERVICES - A communication system (06-03-2010
20100004013Communication method, communication system, relaying device and communication device - A communication device transmits to a relaying device a transmission right grant request for requesting a grant of a transmission right to a transmitting device, and the relaying device determines whether the received transmission right grant request is a command associated with the transmission right of the communication device or a command associated with the transmitting device, and if it determines that it is the command associated with the transmitting device, it grants the transmission right to the transmitting device, and starts broadcasting of data being transmitted from the transmitting device. In addition, when receiving from the communication device an operation command for operating the transmitting device, the relaying device determines a type of the command and transmits it to the transmitting device.01-07-2010
20080318610SYSTEM AND METHOD FOR SHARING MEDIA IN A GROUP COMMUNICATION AMONG WIRELESS COMMUNICATION DEVICES - A system, method, and wireless communication device for sharing media in a group communication among a plurality of wireless communications devices, such as among a Push-to-Talk (PTT) group. A wireless communication device that is a member of the communication group can send group-directed media, such as graphics, multimedia and applications, to other members of the communication group, either during a ongoing PTT communication, or independently therefrom. In one embodiment, a group communication computer device stores information on communication groups on the wireless communication network that includes the member wireless communication devices of one or more communication groups, and receives group-directed media from a sending wireless communication device sends the group-directed media either directly to the other member wireless communication devices of the communication group or stores the group-directed media such that the other member devices can access and download the group-directed media.12-25-2008
20090325620METHOD AND APPARATUS FOR RETRIEVING DATA FROM ONE OR MORE WIRELESS COMMUNICATION DEVICES - A system, method, and apparatus that retrieve data from one or more wireless communication devices that are at least members of a communication group without user intervention are disclosed. In one embodiment, a request for data is sent to an intermediate device, which forwards the request to a target wireless device. The target wireless device determines if the request is allowed and preferably responds with the requested data or a failure notice. The location of the requested data may be known to the requesting device and included in the request, or it may be known to the target wireless device, which locates the data upon receiving the request. In another embodiment the requesting device and the target wireless device directly communicate without the intervention of an intermediate device. The data requested can help the requesting device or its user determine if and when to initiate group communications.12-31-2009
20090082049CONTINUOUS BROADCAST INTERFACE MAINTENANCE FOR GROUP COMMUNICATIONS TO WIRELESS COMMUNICATIONS DEVICES - A system, method, and computer device that selectively maintain an open broadcast interface to a communication control device that is controlling wireless communication to at least one wireless communication device that is configured to receive group-directed communications for a communication group, such as a push-to-talk (PTT) group. In one embodiment, the wireless communication device registers at the communication control device, such as a base station controller, and at least one broadcast interface is established between the communication control device and another computer device, such as a broadcast A10 interface with a broadcast serving node (BSN). The communication control device maintains the broadcast interface while the wireless communication device configured to receive group-directed communications is registered such that group-directed broadcast communications can more rapidly be delivered to the wireless communication device. When the communication control device determines that the group communication has ended, it releases the broadcast interface.03-26-2009
20090082048CONTINUOUS INTERFACE MAINTENANCE FOR GROUP COMMUNICATIONS TO A WIRELESS COMMUNICATIONS DEVICE GROUP - A system, method, and computer device that selectively maintain an open interface to a communication control device that is controlling wireless communication to at least one of a plurality of wireless communication devices that are in a communication group, such as a push-to-talk (PTT) group. In one embodiment, the wireless communication device registers at the communication control device, such as a base station controller, and at least one interface is established between the communication control device and another computer device on the wireless communication network, such as a broadcast A10 interface with a broadcast serving node (BSN). The communication control device will then maintain the interface while the at least one wireless communication device, or at least one member device of the communication group, is registered such that group communications can more rapidly be delivered to the wireless communication device.03-26-2009
20100004012BUNDLING OF COMMUNICATION SIGNALS FOR EFFICIENCY - Systems and methods for bundling signals in a wireless communication system are disclosed. A connection request and a reservation for QoS resources can be bundled into an access message at an access terminal. The access message with the bundled communication signals can then be transmitted to an access network. An application layer (e.g., a DataOverSignaling (DOS)) message can also be bundled with the connection request and the reservation into the access message.01-07-2010
20090054097PUSH-TO-TALK COMMUNICATION METHOD AND SYSTEM - In a Push-To-Talk (PTT) communication method, during a PTT conversation between multiple mobile terminals in a PTT chat-room, a first mobile terminal specifies a second mobile terminal as a target for a forced leave and makes a request to a PTT server for a forced leave of the second mobile terminal. The PTT server forces the second mobile terminal to leave the PTT chat-room. During a PTT chat-room conversation, a disruptive member can be forced to leave the PTT chat room and is not allowed to later re-join the PTT chat room. Thus, it is possible to more smoothly run a PTT chat room in a manner fitting for the purpose, enhancing user convenience.02-26-2009
20090117930PUSH-TO-COMMUNICATE SERVICE IN A CELLULAR COMMUNICATION SYSTEM - A cellular communication system comprises a push-to-communicate server (05-07-2009
20120077536COLLABORATIVE GROUP COMMUNICATION METHOD INVOLVING A CONTEXT AWARE CALL JOCKEY - A system and method comprises establishing a group communication session between a first participant and a second participant. The method may include a dynamic point of control entity within the communication session. The dynamic point of control entity may be designated to operate in different roles and may have access to information regarding the conduct and participants of the call session, and also have control authority required in order to execute the designated role.03-29-2012
20120196641ACCESS CONTROL METHOD, WIRELESS COMMUNICATION SYSTEM, BASE STATION DEVICE, MOBILE STATION DEVICE, AND ACCESS CONTROL PROGRAM - A first access method changer changes an access control method of a base station device to a third access control method in which a control with a first access control method and a control with a second access control method are performed simultaneously. The first access control method is such that a mobile station device subscribing to the group is allowed to access the base station device. The second access method is such that any mobile station device is allowed to access the base station device. A second access method changer changes the access control method of the base station device from the third access control method changed by the first access method changer to the first access control method.08-02-2012
20100151896PoC Server, PoC Terminal, Floor Control Method, and PoC Terminal Control Method - A floor can be fairly acquired in a PoC communication. In the PoC server which controls a floor in a PoC communication, a floor is put in an idle state in a PoC communication after a session establishing process required in the PoC communication. The information about the floor idle state is notified to terminals TA and TC which perform the PoC communication. When the PoC communication is initiated, the idle state of the floor is simultaneously noticed to both calling and called users, thereby realizing fair acquisition of a floor.06-17-2010
20100016007Mobile Phone Terminal, Server, and Group Call System - A mobile station 01-21-2010
20100151895METHOD FOR MANAGING COMPETING CALL REQUESTS - Granting multiple communication paths for a single talkgroup call for interrupting a transmission or allowing a dispatch operator to listen to multiple units transmitting simultaneously on the same talkgroup call is disclosed. Upon a first unit being keyed, the controller assigns a first communication channel to a call, whereby the first unit begins transmitting using an inbound link of the first communication channel. If a second unit participating in the call is keyed during the call, the controller assigns a second communication channel to the call, and the second unit begins transmitting on the inbound link of the second communication channel. The call information for both transmissions from the first and second units may be simultaneously routed to dispatch consoles monitoring the call. If the controller determines that the first unit should be interrupted, the transmission from the second unit is broadcast by the base sites involved in the call.06-17-2010
20090270119METHOD AND APPARATUS FOR CONTROLLING USER'S PARTICIPATION INTO A SESSION IN THE POC SERVICE - The present invention discloses a method and an apparatus for controlling user's participation into a session so that the system can control accession to a PoC session requested by anonymous users and restrict an expelled user from joining the session again. Under the present invention, a client in the PoC session sends a request of expelling a user to the control server, with the SSRC identifier or nickname of the user or an anonymous user wildcard carried in the request; according to the received SSRC identifier, nickname or anonymous user wildcard, the control server searches for the corresponding PoC address, and expels the user out of the session as required according to the PoC address. Therefore, the client with the expulsion right can control accession to the PoC session requested by other users, especially anonymous users, thus keeping order of the session. The control server automatically rejects the reattempt of the expelled user according to the rejection list and the rejection policy, thus preventing such users from harassing the PoC session maliciously, and improving the service experience of the user.10-29-2009
20090047985METHOD, SYSTEM AND APPARATUS FOR IMPLEMENTING PUSH TO TALK OVER CELLULAR SESSION STORING AND BROADCASTING - A system for storing and broadcasting PoC sessions includes: a message storing module, adapted to receive a media stream in a session, into the media stream into a pattern storable by the message storing module, and store the media stream to the message storing module; read the message from the message storing module, convert the message into a media stream, and send the media stream for participating in the session; and a gateway transfer module. A method and an apparatus for storing and broadcasting PoC sessions are also provided. The present invention enables storing and broadcasting of PoC sessions at lower cost.02-19-2009
20090111498Software control of half duplex radio data transceivers - Apparatus and method for providing a data interface to a plurality of radio transceivers such as between a personal computer or other information processing device to one or more radio transmitter/receiver systems having a serial data interface in a manner that provides control of the radio and means to send and receive data via the radio without regard to the characteristics of the radio or its serial interface. A common control protocol is employed that exposes the functionality necessary to control the radio transmitter/receiver device in a generic manner. The invention may communicate with the data terminal equipment via a widely-available data interface or network protocol, such as an asynchronous serial interface, the Universal Serial Bus (USB), or an Internet Protocol (IP) network. The invention also provides a means of implementing synchronous serial framing formats through software implementation, allowing compatibility with future data systems to be achieved without requiring hardware modifications.04-30-2009
20100216501METHOD, TERMINAL, AND SYSTEM FOR ESTABLISHING PoC GROUP SESSION IN PoC SYSTEM - A method, a terminal, and a system for establishing a Push to Talk Over Cellular (PoC) group session in a PoC network based on session initiation information, such as information regarding presence of clients to be invited or session start-up time. According to the method, Universal Resource Indicator (URI) information regarding invitation and Information Reservation Service (IRS) parameters are set up in a PoC eXtensible markup language Document Management Server (XDMS), and a PoC server is requested to provide an IRS so that a session is established.08-26-2010
20100216500SYSTEMS AND METHODS FOR FACILITATING PUSH-TO-TALK (PTT) COMMUNICATIONS USING SIP-BASED MESSAGING - A method of facilitating push-to-talk (PTT) communications between a server device and a client device using SIP-based messaging, the server device being in communication with a media server. The method includes receiving in the server device from the client device a SUBSCRIBE message for subscription to a push-to-talk group, the SUBSCRIBE message including media information of the client device, storing in the server device the media information of the client device, and sending from the server device to the client device a NOTIFY message, the NOTIFY message including media information of the media server for storage by the client device.08-26-2010
20100216502System and Method for Mobile PTT Communication - A push-to-talk communications device (PCD) provides improved push-to-talk (PTT) communications. The PCD may include a PTT activator and a PTT module having a buffer and communications logic for providing full duplex PTT communications. In a Point-to-Point PTT mode of operation, PTT communications are performed between two PCDs with the PCDs exercising floor control. After the establishment of communications between the PCDs, the PCDs may enter a PTT talk mode wherein messages are transmitted between the PCDs in real time when a PTT activator is engaged. A PCD may also enter a group PTT mode wherein a PTT server exercises floor control between an initiating PCD and multiple target PCDs.08-26-2010
20100240408METHOD AND DEVICE FOR CONTROLLING FLOOR IN PUSH TO SERVICE - A PT (e.g., Push-To-Talk, Push-To-View or Push-To-Data) service, and more particularly, to a method and device for controlling a floor (talk burst authority, permission to send media burst, etc.) in a PT service, are discussed. According to an embodiment, the method for controlling a state of a Push-To (PT) server, includes starting, by a PT server, a stop talking (T09-23-2010
20100197335Methods And Apparatus For The Immediate Acceptance And Queuing Of Voice Data For PTT Communications - In one illustrative example, methods and apparatus for use in buffering PTT voice communications are described. A mobile station sends a PTT voice communication request in a wireless communication network. Prior to receiving a floor grant in response to the PTT voice communication request, the mobile station receives voice input signals and buffers digital voice data corresponding to the voice input signals, where the digital voice data is produced by encoding and compressing the voice input signals. The mobile station receives the floor grant in response to the PTT voice communication request. Upon receipt of the floor grant, the mobile station retrieves the buffered digital voice data and continues to buffer digital voice data corresponding to the voice input signals, until all of the buffered digital voice data has been sent.08-05-2010
20100197334SYSTEM AND METHOD FOR PUSH-TO-TALK COMMUNICATION IN AN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXED COMMUNICATION SYSTEM - A system to permit push-to-talk communications in an orthogonal frequency division multiplexed (OFDM) communication network. Individual wireless communication devices that are part of a Group Call are assigned the same set or sets of OFDM tones for a downlink timeslot. Because each wireless communication device receives the same set of tones, each device will receive a communication simultaneously. The assigned OFDM tones need not be contiguous within a block of available tones. Because a large number of OFDM tones are available, the concept may be extended to a large number of groups that each separately support a Group Call function.08-05-2010
20090280850WIRELESS COMMUNICATION DEVICE HAVING DYNAMICALLY ESCALATED MEDIA TRANSMISSION HANDLING - A wireless communication device that dynamically escalates media transmission handling on the resident computer platform operating system through passing priority data bundles that include media directly from an application programming interface to the wireless communication interface. The application programming interface generates an outgoing priority data bundle including media, and a media handler directs the outgoing priority data bundle directly to the wireless communication interface for transmission without handling of the outgoing priority data bundle by other software layers of the operating system. The same priority handling can be done with incoming data bundles received at the wireless communication interface and being sent to an application programming interface.11-12-2009
20100279728TERMINAL PROVIDED WITH A POC CLIENT MODULE - A communication system suitable for supporting services based on PoC, includes a PoC server, a first terminal provided with a first PoC client module and a second terminal provided with a second PoC client module. The first PoC client module includes a generic user interface application suitable for generating a generic user interface configured to provide a user of the first terminal with a call service based on PoC and a specialized user interface application suitable for generating a specialized user interface configured to provide the user with a content exchange service based on PoC. The first PoC client module is further configured to, when the user wishes to activate a first PoC session relative to the content exchange service: activate the specialized user interface application; generate a first invitation message including first information indicative of availability of the specialized user interface at the first terminal; transmit the first invitation message to the second PoC client module through the PoC server; receive a first response message from the second PoC client module through the PoC server; and determine whether the second PoC client module has a further specialized user interface application corresponding to the specialized user interface application by determining whether the first response message includes second information indicative of availability at the second terminal of a further specialized user interface corresponding to the specialized user interface.11-04-2010
20090036154MOBILE COMMUNICATION TERMINAL DEVICE AND TRANSMITTING RIGHT SETTING METHOD IN MOBILE COMMUNICATION TERMINAL DEVICE - A mobile communication terminal device and a transmittable period setting method in the mobile communication terminal device capable of extending a period during which information may be transmitted, even while the information is transmitted using a push-to-talk system. When a PTT button 02-05-2009
20110034202POC SERVER AND A MOBILE TERMINAL COMPRISING A POC CLIENT FOR PROVIDING POC COMMUNICATION SERVICES - The present invention relates to a Push to talk Over Cellular [PoC] Server for providing PoC communication services in mobile radio communications system, the PoC Server being arranged to perform at least one Controlling PoC Function for a PoC Session between PoC Clients in mobile terminals. The PoC Server is characterized in that it is arranged to: receive a first information indicating the PoC Session priority order for the PoC Session for each of the PoC Clients participating in the PoC Session; receive a second information, if any one of the PoC Clients is also participating in other simultaneous PoC Sessions, indicating the PoC Session priority order for the other simultaneous PoC Sessions for each of the PoC Clients participating in the other simultaneous PoC Sessions; store the first and second information for enabling control of the transmission of Media in the PoC Session based on the first and second information. The present invention also relates to a method, a mobile terminal comprising a PoC Client and a method thereof, a mobile radio communications system and a computer program product.02-10-2011
20100016006Group Communication Method and Communication Terminal - A group communication method in which a communication terminal not participating in the group communication can newly participate in the group communication even while the group communication is being carried out is realized. The group communication method has a personal information management step of managing personal information, a participation request transmission step, a group communication control step, and an other party updating step, in a case where participation intention in the group communication is received from another communication terminal to which no participation request has been transmitted in a state of “party not participating” in which at least one party among the plurality of terminals of the parties sent the participation requests does not participate in the group communication, deleting the party not participating in the group communication from a member list and registering the other party of the other communication terminal in the member list as a party for engaging in the group communication to thereby allow the other communication terminal to participate in the group communication.01-21-2010
20100056196SYSTEM AND METHOD FOR PROVIDING PRESENCE BASED TRUNKING IN A NETWORK ENVIRONMENT - A method is provided in one example implementation and the method includes interacting, via a first communication resource manager located in a first domain, with a second communication resource manager located in a second domain. The method further includes determining whether to establish a link for multicasting between users in the first domain and users in the second domain, and the link between the domains is established based on presence data of at least one user in the first domain and at least one user in the second domain.03-04-2010
20100056195METHOD AND SYSTEM FOR COMMUNICATING BETWEEN A VEHICLE AND A CALL CENTER - A method of communicating between a vehicle and a call center includes establishing voice communication between a telematics unit of the vehicle and the call center; verbally communicating data during the voice communication; and designating, via an advisor at the call center, at least some of the verbally communicated data as significant data during a data entry mode of an operator station. Textual and/or graphical indicia corresponding to the significant data are sent from the call center to an in-vehicle display unit. The method further includes displaying the indicia on the in-vehicle display unit; determining whether the displayed indicia accurately correspond with the significant data; and confirming whether or not the displayed indicia accurately correspond with the significant data in response to one of (a) a signal from the telematics unit, or (b) an input by the call center advisor. A system incorporating the method is also disclosed herein.03-04-2010
20100056194IDENTIFYING CHANNELS IN A COMMUNICATION NETWORK - A method and apparatus to identify channels in a communications network are described. The method may comprise receiving communications on a plurality of communication channels including at least a first communication channel and a second communication channel. The method identifies when a channel change occurs from the first communication channel to the second communication channel. An audio identifier associated with the second communication channel is then included in an audio stream communicated via the second communication channel.03-04-2010
20110070917SYSTEM FOR ESTABLISHING AND MANAGING MULTIMEDIA PoC SESSION FOR PERFORMING MULTIMEDIA CALL SERVICE, METHOD THEREOF AND USER EQUIPMENT THEREFOR - Provided are a system for establishing and managing a Push To Talk (PTT) over Cellular (PoC) session between PoC clients supporting various media types, a method thereof, and a User Equipment (UE) therefor. When a PoC client performing an Open Mobile Alliance (OMA) PoC multimedia call service supports a plurality of media types, and media types supported by PoC clients are not common, a PoC session can be established to support only media types set to be transmitted in a first response message after the session is established. In addition, a method of efficiently managing a session by updating the session when a newly supported media type is provided or when a recipient of an existing media type is changed is suggested.03-24-2011
20110034203 PUSH TO TALK OVER CELLULAR (POC) SERVER CAPABLE OF CHANGING SESSION PRIORITY SETTINGS WHEN RECEIVING AUTHORIZED OVERRIDE MESSAGE - The present invention related to a Push to talk Over Cellular (PoC) Server for providing PoC communication services in communications system, the PoC Server being arranged to simultaneously perform a first PoC Session between a first PoC Client and at least a second PoC Client, and at least one second PoC Session between the first PoC Client and at least a third PoC Client in accordance with a priority setting. The Push to talk Over Cellular (PoC) Server is characterized in that it is further arranged to: receive, from said at least second PoC Client, a first information indicating that a user of said at least second PoC Client wants to alert the user of said first PoC Client about relevant Media being shared in said first PoC Session; or receive, from said at least third PoC Client, a second information indicating that a user of said at least third PoC Client wants to alert the user of said first PoC Client about relevant Media being shared in said at least second PoC Session; and if the received information is a notification, forward said received information to said first PoC Client; or if the received information is an override message, change said priority setting for said first and/or said at least second PoC Sessions associated with said first PoC Client in accordance with said override message. The present invention also relates to a method for providing PoC communication services, a mobile terminal comprising a PoC Client and methods thereof, a communications system and a computer program product.02-10-2011
20110250923METHOD AND DEVICE FOR ESTABLISHING AN INTER-RADIO FREQUENCY SUBSYSTEM INTERFACE (ISSI) UNIT-TO-UNIT CALL - A method and device enable establishing an inter-radio frequency subsystem interface (ISSI) unit-to-unit call between a calling unit of a calling home radio frequency subsystem (RFSS), and a called unit of a called home RFSS, through a hosted ISSI function (HIF). The method includes processing, at the HIF, a first invite message received from the calling home RFSS, wherein the first invite message includes a first request uniform resource identifier (URI) that designates an alias system unit identification (SU-ID). In response to the first invite message, transmitting, from the HIF to the called home RFSS, a second invite message, including a second request URI that designates a real SU-ID, wherein the HIF acts as the calling home RFSS. The unit-to-unit call is thus established between the calling unit and the called unit through the calling home RFSS, the HIF, and the called home RFSS.10-13-2011
20080248827Method, system and terminal for processing PoC service - A method for processing PoC service, comprising: PoC user terminal initiates a call to PoC media storage means to start the media storage means; then, establishing media stream path between the PoC server and PoC media storage means; and transferring media stream between the PoC server and the PoC media storage means; the present invention enables users to obtain complete contents of the whole session when they are absent from the session, and can be realized easily.10-09-2008
20090005100NEGOTIATION OF CONTROL OVER A PTT CALL BETWEEN AN OMA PoC NETWORK AND A P25 NETWORK - Communication networks and methods are disclosed for negotiating control over a PTT call between an OMA PoC network and a P25 network. If an OMA PoC PTT server receives a request for the PTT call from a calling party, then the PTT server transmits a call initiation message for the PTT call to the P25 network offering control over the PTT call to a PTT server in the P25 network. The P25 PTT server processes the call initiation message to identify the offer for control, assumes control over the PTT call, and determines whether the calling or called party has the floor for initial transmission for the PTT call. The P25 PTT server then transmits a response message to the OMA PoC PTT server indicating which one of the calling or called party has the floor. The party granted the floor may then initiate voice communications for the PTT call.01-01-2009
20110151916APPARATUS AND METHOD FOR ALLEVIATION OF INITIAL CONNECTION DELAY - Disclosed are an apparatus and a method for alleviating an initial connection delay of PTT services. According to an aspect of the present invention, the apparatus for alleviating the initial connection delay of the PTT (Push-To-Talk) services includes: a delay time measuring device that measures delay time of a WiBro network using a timer when a mobile terminal is connected to the WiBro network; and a signal generator that generates PING signals to activate the network when the delay time exceeds the threshold time.06-23-2011
20120202551Systems and Methods for Group Information Server Among Mobile Devices - The present solution is directed to establishing a group server for a group of mobile devices comprising a private mobile radio module. Each of the mobile devices of a group may have a private mobile radio module. A modular server unit detachable from and interfaced to a mobile device of the group is activated as a group server responsive to detaching the modular server unit from the mobile device. The modular server unit may include the private mobile radio which may be deactivated responsive to activating the modular server unit. The modular server unit may receive data from a plurality of mobile devices of the group of mobile devices and process the received data to consolidate the data. The modular server unit may transmit the consolidated data to each of the group's mobile devices.08-09-2012
20080242336Shared communication capabilities of mobile stations for high bandwidth communications - A wireless communication arrangement (10-02-2008
20110263288METHOD AND APPARATUS FOR EXTENDING A BROADCAST GROUP SERVICE - A method and apparatus for extending a virtual channel of a communication area to a user equipment is disclosed. A message including a virtual channel identity and an area identity from the user equipment is received at a call controller. The call controller determines that the virtual channel identity is associated with a communication area and the area identity is associated with an area outside the communication area. The call controller then determines whether a virtual channel extension feature is enabled on the user equipment, and if so, receives data from the user equipment and then distributes the data on the virtual channel.10-27-2011
20100167775METHOD AND DEVICE FOR REQUESTING PERMISSION TO SEND MEDIA, AND METHOD AND DEVICE FOR CONTROLLING PUSH-TO SERVICE - A method, PT client device and PT server device for controlling transmission of media data, are discussed. According to an embodiment, the method includes sending, by a PT client, media data to a PT server after receiving a talk burst grant from the PT server in response to a talk burst request message; entering, by the PT client, a first operation state after receiving a media burst revoke message from the PT server, wherein the PT client in the first operation state is unable to request permission to send media data to the PT server; and entering, by the PT client, a second operation state after receiving a media burst idle message from the PT server while the PT client is in the first operation state, wherein the PT client in the second operation state is able to request permission to send media data to the PT server.07-01-2010
20100167774METHOD TO INDICATE STATUS OF CHANNELS ASSIGNED TO A TALKGROUP IN A MULTI-SITE CONVENTIONAL COMMUNICATION SYSTEM - A method for indicating the status of communication channels assigned to a talkgroup includes: determining the channels in various sites in a conventional communication system that service a talkgroup for media transmissions between subscribers of the talkgroup; receiving notification of the status of transmission activity on the channels; and based on the notification, providing an indication of the status of the channels assigned to the talkgroup so that the talkgroup or subscribers of the talkgroup can choose to proceed with a talkgroup communication. The notification may be received by an infrastructure device in an RF site or a central controlling entity. The indication may be that the channel is free for transmissions or is busy.07-01-2010
20090176524System And Method For Performing Proximity-Based Communication Via Dynamically Registered Communication Devices - A system and method for performing proximity-based communications through dynamic communication device registration is presented. Uniquely identified mobile communication devices are registered with a Service provider notice server. Subscribers of the mobile communications devices configure descriptive parameters, a localized physical coverage area, contact information and privacy preferences. Subscriber groups of subscriber mobile communications devices with matching descriptive parameters are formed. Subscriber group information for a plurality of the mobile communication devices within the localized physical coverage area is provided. Subscribers send a request to communicate with at least one other subscriber in a matching subscriber group.07-09-2009
20090197625METHOD AND SYSTEM FOR GRANTING A CLIENT TALK BURST AND PUSH TO TALK OVER CELLULAR SERVER - A method for granting a client talk burst (TB) includes the following steps. a push to talk over cellular (PoC) server receives a TB request message from a TB requesting client. If the TB requesting client is a client with the preemptive priority, the PoC server revokes a TB taken by a permitted client, and grants the TB to the client with the preemptive priority. Meanwhile, the disclosure further provides a system for granting a terminal TB and a PoC server. Through the method, system, and the PoC server provided by the disclosure, it is ensured that the client at the preemptive level may grab the TB taken by the client with a lower TB priority simply through pressing a key once, so as to enhance the users' experience.08-06-2009
20100190518SECONDARY DATA TRANSMISSION IN A GROUP COMMUNICATION TRANSMISSION DATA STREAM - A system, method, and wireless communication device that allow the transmission of secondary data in a group-communication data stream between wireless communication devices across a wireless communication network. The wireless communication device selectively transmits at least group-directed voice communication data to other members of a communication group, such as a push-to-talk (PTT) group, in a communication channel having a limited bandwidth thereof, and can selectively transmit secondary data in the same communication channel. A group-communication server preferably receives the voice communication data and secondary data and selectively transmits at least the voice communication data to other member wireless communication devices of the communication group. In one embodiment, the wireless communication device reduces the data size of the voice communication data to a second data size that is less than the bandwidth of the communication channel such that secondary data can be transmitted within the communication channel.07-29-2010
20100029315COMMUNICATION METHOD, SERVICE CONTROLLING APPARATUS, AND RECORDING MEDIUM - A communication method for a service controlling apparatus for providing terminals with a service includes receiving, from a first one of the terminals, a message indicating a transmission request of user data; and transmitting, to a second one of the terminals, dummy data to the second terminal to cause a transmission channel change of the second terminal.02-04-2010
20110165905EXCHANGE OF LOCATION INFORMATION USING A WIRELESS COMMUNICATION DEVICE - Exemplary techniques for sending data packages that can include geographic information during group communication sessions between wireless telecommunication devices, such as push-to-talk communication sessions, are disclosed. In an embodiment the data packages are wirelessly transmitted by a communication device to a group communication server and then sent to other group members.07-07-2011
20100120462ADAPTIVE APPLICATION DATA PACKAGING TO IMPROVE PACKET EFFICIENCY IN A FIXED FRAME PACKET COMMUNICATION SYSTEM05-13-2010
20120208588METHOD AND APPARATUS FOR DUAL/MULTI-WATCH FOR GROUP PTT SERVICES - A communication system (08-16-2012
20090143090COMMUNICATION SYSTEM AND GATEWAY - There is provided a communication system in which semi-duplex many-to-many multicasting service can be performed to both a mobile station and a base station by using a unified call control protocol such as SIP on an IP network, and can contain mobile stations and base stations of existing wireless facilities. The communication system in which the semi-duplex many-to-many multicasting service is performed to plural mobile stations 06-04-2009
20090131092PTT SERVER, GATE APPARATUS, COMMUNICATION SYSTEM, PROGRAM AND COMMUNICATION METHOD - A PoC communication system suitable for a broadcast use or the like is provided. In a communication system including a PoC server 05-21-2009
20090131091PTT SERVICE SYSTEM OF METHOD THEREOF - The present invention discloses a PTT service system and method thereof. The system includes a user terminal equipment, an application server, a control equipment and a gateway equipment, in which, the user terminal equipment connects with said application server, control equipment and gateway equipment by access network; the application server connects with said access network and control equipment for building lists of users groups and relating information and storing and managing them; the control equipment provides establishment of signaling messages for the user terminal equipment, distributes them to other terminal equipment within group, and controls the gateway equipment; the gateway equipment sets up media stream with the user terminal equipment based on signaling of the control equipment, and distributes the media stream sent by users having a right of speaking to other users within the group. The system is applied to multiple types of users such as fixed user, mobile user, soft phone user, WLAN user etc, and readily realizes many kinds of network modes, supports realization of PTT service spanning networks.05-21-2009
20120165062METHOD AND APPARATUS FOR COMMUNICATING PUSH-TO-TALK STATE TO A COMMUNICATION DEVICE - Apparatus, which has a multilayer protocol stack for processing incoming messages, determines PTT state from messages received from a peripheral over a wireless serial communication channel. The apparatus: receives (902), from the peripheral, a sequence of messages comprising a plurality of data messages (e.g., RFCOMM messages), wherein each of the data messages provides an indication of a PTT state for the apparatus, and wherein the sequence of data messages is received over a short range wireless data path for exchanging priority data that comprises a wireless serial communication channel and that is different from a short range wireless data path for exchanging non-priority data. A pattern detector in the apparatus performs (904) a pattern matching process, within the first two layers of the multilayer protocol stack, to determine the PTT state indicated by each of the data messages and sets (906) the apparatus to have the determined PTT states.06-28-2012
20120135775METHOD OF CONTROLLING SHARING OF PARTICIPANT IDENTITY IN A GROUP COMMUNICATION SESSION - A system and methods for increasing the granularity of privacy control in a group communication session are presented. A privacy rule is established for a participant in the session. The privacy rule specifies for different identity sharing triggers whether the participant identity is to be shared with other participants in the session. The privacy of the participant is able to be different dependent on the particular identity sharing trigger. The privacy rule is set by participant initiating the session, a separate server, or the participant. In the last case, the participant is able to specify privacy for a media or data stream when requesting the floor to transmit the stream. The identity of the participant is automatically modified dependent on session context information.05-31-2012
20120172078ROLE BASED SYSTEM AND DEVICE FOR COMMAND AND CONTROL - A system and device for enabling tracking and communication between units in a team, typically used for military or rescue operations. The system, known as Command and Control System, has a handheld central unit with a display for showing positions of team units and portable team units having GPS, compass and radio communication function for sending and receipt of positions and alarms and for receiving text messages, a display for showing own positions and bearings. The units have the ability to send data directly or relayed to each other. Each unit can be assigned one or more roles and can send or receive messages that instruct actions like, deletion of vital information or control of power consumption.07-05-2012
20100048235Method and Device for Data Capture for Push Over Cellular02-25-2010
20120258758ENHANCING A PUSH-TO-TALK COMMUNICATION SYSTEM - A peer-to-peer communication system (10-11-2012
20100009709MOBILE STATION, MOBILE COMMUNICATION SYSTEM, AND PROGRAM - A mobile station 01-14-2010
20120083307METHOD AND SYSTEM FOR PEER-TO-PEER COMMUNICATION AMONG SITES - A method and system is provided for peer-to-peer communication among a plurality of sites in a land mobile radio (LMR) system. The sites are interconnected by a data network, such as an IP network. When a site, referred to as the initiating site, intends to communicate with other sites, the initiating site transmits a call request message. The call request message is multicast over the data network to the intended recipients. The initiating site receives an acknowledgement message from the other sites confirming their willingness to communicate with the initiating site. The initiating site then sends a voice message, via multicasting, to the other sites interested in the call.04-05-2012
20120270590METHOD FOR INDICATING CSG ID, METHOD FOR INDICATING BASE STATION TYPE, AND METHOD FOR OBTAINING CSG ID INDICATION - There are provided a method for indicating a CSG ID, a method for indicating a base station type and a method for obtaining CSG ID indication. The method for indicating the CSG ID includes: a base station notifying a terminal of whether the base station has a CSG ID. The present solution solves the problem of access delay in the related art resulted from that the terminal cannot obtain the specific base station type and whether the base station has a CSG ID, ensures the easy operation of the accessed base station information needing to be maintained by the terminal, and thus improves the quality of service of the whole system for the terminal.10-25-2012
20120276941System and Method For Multiple Simultaneous Communication Groups in a Wireless System - A system and method enable a wireless device to support simultaneously multiple push-to-talk (PTT) communications and interrupt certain PTT communication with higher priority ones. A user subscribes to multiple PTT communication groups and designates one of the groups as the primary group. The wireless device receives and plays PTT communications from the multiple PTT communication groups and interrupts playing of a PTT communication from a non-primary group if a PTT communication is received from the primary PTT communication group.11-01-2012
20120276940WATERPROOF RADIO - A radio, comprising: an enclosure having a top lid, a bottom lid, and a body, the top lid and the bottom lid being removable from the body; a radio system mounted in the body, the body having a top cover and a bottom cover for the radio system; a first seal formed or provided between the top lid and the body to waterproof the radio system when the top lid is installed over the top cover; a second seal formed or provided between the bottom lid and the body to waterproof the radio system when the bottom lid is installed over the bottom cover; and, at least one cord for coupling the top lid and the bottom lid to the body.11-01-2012
20100234057METHOD AND DEVICE FOR ENABLING SELECTIVE PRIVACY IN A PUSH TO TALK (PTT) WIRELESS GROUP COMMUNICATION SESSION - A method and device for enabling selective privacy in a push to talk (PTT) wireless group communication session provides improved control over sharing of user identity information. The method includes processing at a PTT server a request for selective privacy. The PTT server then processes one or more selective privacy parameters, whereby at least a first session participant is enabled to receive an identification of a second session participant and a third session participant is not enabled to receive an identification of the second session participant. The PTT server then facilitates the PTT wireless group communication session between at least the first session participant, second session participant, and third session participant according to the one or more selective privacy parameters.09-16-2010
20100022265PTT SERVER, PTT COMMUNICATION SYSTEM, PTT COMMUNICATION METHOD, AND PROGRAM - A PTT server includes a controlling unit, a receiving unit, a medium converting unit, and a transmitting unit. The controlling unit controls pieces of connection setting information less than the number of a plurality of PTT terminals having different specifications by complying them with the plurality of PTT terminals. The receiving unit receives a medium coded data from any one of the PTT terminals. The medium converting unit converts the medium coded data with a converting method on the basis of the connection setting information compliant with a PTT terminal for transmission destination to produce an output coded data. The transmitting unit transmits the output coded data to the PTT terminal for the transmission destination.01-28-2010
20120289277PRIVACY CONTROL IN PUSH-TO-TALK - In one embodiment, a computer program product for suppressing incoming audio in a Push-To-Talk (PTT) session includes a computer readable storage medium having computer readable program code embodied therewith, the computer readable program code including computer readable program code configured for receiving a request sent from an originator communication device to initiate a PTT session at a receiver communication device, computer readable program code configured for establishing the PTT session between the originator communication device and the receiver communication device, computer readable program code configured for notifying a user at the receiver communication device that the PTT session has been established, computer readable program code configured for determining whether to suppress or audibilize incoming audio based on a privacy setting on the receiver communication device, and computer readable program code configured for suppressing or audibilizing the incoming audio according to the privacy setting.11-15-2012
20090082050UNI-DIRECTIONAL TRAFFIC CHANNEL ASSIGNMENT FOR A RECEIVE-ONLY GROUP CALL IN A MOBILE COMMUNICATION SYSTEM - Aspects of mobile communication for establishing a receive-only group communication, such as a Push-to-Talk (PTT) call or multicast call with a plurality of wireless communication devices that are in a receive-only mode are disclosed. When a group call between wireless communication devices starts from an originating device, in one embodiment indicating a receive-only group with which a group call is to be established, one or more receive-only wireless communication devices are determined and invited to participate in the group call. The traffic channel to the receive-only wireless communication device is transitioned to a uni-directional, forward-only traffic channel such that media is provided from the originating wireless communication device to the receive-only wireless communication device via the uni-directional traffic channel.03-26-2009
20120149421METHOD AND SYSTEM OF PROVIDING SERVICE TO A MOBILE DEVICE IN A COMMUNICATION NETWORK - A mobile device registers with an infrastructure device coupled to a first communication network and then sends a request to activate PTT service in the first communication network. A communication server is adapted to receive the request to activate the PTT service, and to, thereby, activate the PTT service for the mobile device in the first communication network. Responsive to receiving the request to activate the PTT service, the communication server makes a determination to register the mobile device with a second communication network, generates a service registration message, on behalf of the mobile device, to register the mobile device with the second communication network, and sends the service registration message to the second communication network.06-14-2012
20080248826Answer Modes In Push-To-Talk Mobile Communication Services - A method of operating a push-to-talk service over a mobile wireless communication network, where a user of a mobile wireless terminal may select an automatic or manual answer mode for incoming session invitations for at least some other users. The method comprises including in the push-to-talk session invitation sent from a calling party to a called party, a manual answer mode request, upon receipt of the session invitation at a push-to-talk server serving the called party, forwarding the invitation including the manual answer mode request to the called party regardless of any auto-answer mode setting for the called party, and receiving the invitation at the called party, and generating a ringing alert at the called party's terminal.10-09-2008
20130172038TIME-SHIFTING FOR PUSH TO TALK VOICE COMMUNICATION SYSTEMS - A network communication device located on a Push To Talk (PTT) communication network and configured to provide time-shifting capabilities to a user of a PTT communication device is disclosed. The network communication device includes a receiver configured to progressively receive time-based media. The network communication device also includes a time-shifting buffer for progressively storing the received time based media as the time-based media is received and a time-shifting buffer controller configured to control the rendering of the time-based media at the PTT device.07-04-2013
20130172037METHOD AND APPARATUS FOR PRIORITY MONITORING OF COMMUNICATION GROUPS OVER MULTIPLE DISPARATE WIRELESS NETWORKS - A client device performs a method for priority scanning of groups across multiple disparate connected networks which includes the client device creating a scan list having a designated priority group in response to user input that monitors the activity of a plurality of communication groups on a first wireless network that has a one-to-one mapping to a second plurality of logically equivalent communication groups provisioned on the multiple wireless networks. The client device also receives an indication from a communication server that a group on the scan list is active and automatically and preemptively joins the active group using resources on the first wireless network.07-04-2013
20130115996SYSTEMS AND METHODS FOR FACILITATING PUSH-TO-TALK (PTT) COMMUNICATIONS USING SIP-BASED MESSAGING - A method of facilitating push-to-talk (PTT) communications between a server device and a client device using SIP-based messaging, the server device being in communication with a media server. The method includes receiving in the server device from the client device a SUBSCRIBE message for subscription to a push-to-talk group, the SUBSCRIBE message including media information of the client device, storing in the server device the media information of the client device, and sending from the server device to the client device a NOTIFY message, the NOTIFY message including media information of the media server for storage by the client device.05-09-2013
20130115995METHOD AND APPARATUS FOR ENSURING CRITICAL RESOURCE ALLOCATION FOR GROUP CALLS MADE IN A PUSH-TO-TALK COMMUNICATION ENVIRONMENT - Critical resource data (05-09-2013
20130102351METHOD, SERVER, AND SYSTEM FOR PROCESSING EMERGENCY CALL IN POC SERVICE - The present disclosure provides a method, a server and a system for processing an emergency call in a PoC service. The method includes: receiving, by a PoC server, an emergency call request sent by an initiator; adding, by the PoC server, a mobile terminal as one party to an established emergency call group according to the emergency call request, where a first party of the emergency call group is a dispatcher; and forwarding, by the PoC server, a two-way session between the mobile terminal and the dispatcher. In the embodiments of the present disclosure, an emergency call may be provided in a PoC service.04-25-2013
20130122955SYSTEM AND METHOD FOR PUSH-TO-SHARE FILE DISTRIBUTION WITH PREVIEWS - A system and method for transmitting previews for media objects that are shared in a group communication, such as a push-to-talk session, are disclosed. Media objects can be stored at a media server and/or an originating device. A preview for the media object can be generated by the originating device and transmitted during a group session. The preview can contain metadata. The preview and metadata can be used by a recipient to determine whether the user wants to download the media object.05-16-2013
20130122954PUSH TO TALK MOBILE STATION, MOBILE COMMUNICATION SYSTEM, AND PROGRAM - A mobile station 05-16-2013
20130130735LAND MOBILE RADIO DISPATCH CONSOLE - An exemplary land mobile radio dispatch console and method are provided. In one embodiment, the console has the capability to process and handle Requests To Talk (RTT) and emergencies. In another embodiment, the console has the capability to provide a history. In another embodiment, the console provides the capability for operators to configure and save patches of predefined groups for later use. In another embodiment, the console includes a telephone interconnect interface component, and combinations of features mentioned above.05-23-2013
20080207241METHOD AND SYSTEM FOR DISTRIBUTING TALK GROUP ACTIVITY AMONG MULTIPLE VEHICLE REPEATERS08-28-2008
20130157708METHOD AND APPARATUS FOR SELECTING ONE OF A PLURALITY OF NETWORKS FOR AN APPLICATION SERVICE BASED UPON PERFORMANCE METRICS FOR THE APPLICATION SERVICE - A communication device performs a method for selecting a network for an application service based upon system performance. The method includes obtaining multiple sets of performance metrics. Each of the multiple sets of performance metrics comprises at least one performance metric for a same application service. The method further includes evaluating the multiple sets of performance metrics to select one of the corresponding networks to access the application service on the selected network.06-20-2013
20080200198METHOD AND APPARATUS FOR REGISTRATION OF LOCATION INFORMATION OF WIRELESS DEVICES IN A WIRELESS COMMUNICATION NETWORK SUPPORTING MULTICAST CALLS - An apparatus and method for transmitting push-to-talk (PTT) communications through multicast channels to a plurality of wireless devices. The PTT server uses the unicast approach to deliver the PTT communication to a group of PTT clients when it does not have the location information of the PTT clients in the group. In one embodiment, the wireless devices report their location to a PTT server after receiving a PTT communication for a group and a timer is started. The wireless devices continue to report their location when moving from an area served by one base station to an area served by another before the timer expires. The PTT server also starts the timer for that PTT group with the same value after initiating the PTT group communication. The PTT server uses the location information to determine if multicast channels can be used when transmitting PTT communications to the wireless devices.08-21-2008
20110250922METHOD AND DEVICE FOR ESTABLISHING AN INTER-RADIO FREQUENCY SUBSYSTEM INTERFACE (ISSI) GROUP CALL - A hosted inter-radio frequency subsystem interface (HIF) maintains a list of affiliated radio frequency subsystems (RFSSs), the list identifies at least one serving RFSS. An affiliation request is transmitted from the HIF to the home RFSS, which is a home RFSS of the group. The HIF receives from the serving RFSS a request to initiate an inter-RFSS group call to the group using HIF addressing. The HIF transmits a request to the home RFSS to initiate the inter-RFSS group call using serving RFSS addressing. A data packet from the home RFSS or the serving RFSS is received at the HIF. Upon receipt, the HIF transmits a copy of the data packet to the serving RFSS if the data packet was received from the home RFSS; otherwise, the HIF transmits a copy of the data packet to the home RFSS if the data packet was received from the serving RFSS.10-13-2011
20110275401WIRELESS PORTABLE RADIO VEHICLE COMMUNICATION SYSTEM - A communications system for a vehicle user is provided. The system comprises a portable receiver which the vehicle user can easily carry on his or her person. The portable receiver is capable of receiving coded transmissions from a vehicle-mounted transmitter which is capable of activating a function in a portable transceiver.11-10-2011
20130150115SYSTEM AND METHOD FOR PERMITTING RECORDATION OF VOICE TRANSMISSIONS AMONG GROUP MEMBERS OF A COMMUNICATION GROUP OF WIRELESS COMMUNICATION DEVICES - The disclosure is directed to recording voice data transmissions between mobile communication devices. An embodiment of the disclosure receives, at a first mobile communication device, an indication that a subsequent voice transmission segment may or may not be recorded by at least one other mobile communication device, and transmits, from the first mobile communication device, an indication to said at least one other mobile communication device that the subsequent voice transmission segment may or may not be recorded. Another embodiment receives an indication from at least one other mobile communication device that a subsequent voice transmission segment may or may not be recorded by said mobile communication device, and if the received indication indicates that the subsequent voice transmission segment may be recorded, records at least a portion of the subsequent voice transmission segment, and stores the recorded portion in a memory associated with said mobile communication device.06-13-2013
20100317392SYSTEMS, METHODS, AND MACHINE-READABLE MEDIA PROVIDING LOCATION-ENABLED GROUP MANAGEMENT - A computer-executed method for managing a group of entities includes receiving an indication from a first user indicating a desire to add members to the group based on proximity to a target, such as a point of interest (POI) or a location of a person. The method also includes sending an invitation to a prospective group member based on a location of the prospective group member during a time window associated with the target. In response to the invitation, an indication is received from the prospective group member as to whether the prospective group member desires to join the group.12-16-2010
20130190033PRIORITIZATION OF GROUP COMMUNICATIONS AT A WIRELESS COMMUNICATION DEVICE - An embodiment is directed to switching between server-arbitrated group communication sessions at an access terminal (AT) within a wireless communications system. The AT participates in a first group communication session when it receives an announce message announcing a second group communication session, acquires priority levels for the first and/or second group communication sessions and determines whether to switch between sessions based on the priority level(s). In another embodiment, the AT participates in a given processing task (e.g., a gaming session, a voice call, a group session, etc.) when it receives an alert that relates to a group communication session. If the alert is specially configured to force the given access terminal to drop the given processing task, the AT drops the given processing task irrespective of whether the AT later joins the announced group communication session.07-25-2013
20130196704IDENTIFIERS FOR MTC GROUP IN 3GPP SYSTEMS - Machine-Type-Communication-type (MTC-type) devices of an MTC Group are uniquely identified across all types of wireless networks by a system and method in which a receiver is capable of receiving a signal from at least one node of a wireless network. The signal contains MTC Group ID information that corresponds to an MTC Feature that provides at least one system optimization for the wireless device. The received MTC Group ID is then processed to determine whether the MTC received Group ID corresponds to an MTC Feature to which a wireless device is a member. The MTC Group ID information contained in the received signal comprises part of a Mobile Subscription Identification (MSIN) field of an International Mobile Subscriber Identify (IMSI), additional digits added to an IMSI, of part of a separate MTC Group message.08-01-2013
20130196705COMMUNICATION TERMINAL, COMMUNICATION METHOD, AND RECORDING MEDIUM - Provided is a communication terminal that prevents a listener from missing a conversation during a group call and enables the listener to identify a speaker. Mobile telephones of users B and C receive, from a mobile telephone of a user A who is a speaker, DTMF information having a value of “1” and identifying the user A, and audio data of the user A; output an identification tone indicated by the DTMF information, and audio of the user A; and store the DTMF information and a flag indicating “other”. When a speaker is switched to the user B, the mobile telephone of the user B generates audio data of the user B, selects DTMF information having a value of “2” as information identifying the user B; and transmits the selected DTMF information and the audio data of the user B to the mobile telephones of the users A and C.08-01-2013
20130196706WiFi INTERWORKING SOLUTIONS FOR PUSH-TO-TALK-OVER-CELLULAR (PoC) - WiFi interworking solutions for Push-To-Talk over Cellular (PoC) in the Open Mobile Alliance (OMA) Standard.08-01-2013

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