Patent application number | Description | Published |
20080299969 | METHOD AND SYSTEM FOR DEREGISTERING OUT-OF-COVERAGE RANGE DEVICES IN A WIRELESS LOCAL AREA NETWORK - A method for deregistering wireless devices from a registration server for a wireless local area network, comprising: sending an initial registration request message from a wireless device to the registration server, the initial registration request message including an initial expiration interval; measuring radio signal strength at the wireless device; and, determining whether the radio signal strength has decreased to below a predetermined level and, if so, sending an updated registration request message from the wireless device to the registration server, the updated registration request message including an updated expiration interval less than the initial expiration interval thereby allowing timely deregistering of the wireless device by the registration server. | 12-04-2008 |
20090003325 | METHOD AND SYSTEM FOR ENFORCING PROXY USE WITHIN AN ENTERPRISE COMMUNICATIONS SYSTEM - A method and system for enforcing the user of a proxy server within an enterprise communication system. The system includes an enterprise voice application server configured to act as a SIP proxy to client devices, and a private branch exchange configured to act as a SIP registrar. The client devices are configured to evaluate incoming SIP requests to determine whether they were received via the enterprise voice application server and, if not, to respond with a SIP 305 Use Proxy message referencing the enterprise voice application server in a Contact field. The 305 Use Proxy message forces the PBX or other intermediate SIP server to reroute the SIP request and any subsequent SIP requests in the dialog through the enterprise voice application server. | 01-01-2009 |
20090022103 | DUAL-MODE DEVICE AND METHOD FOR HANDOVER OF SESSION FROM VOIP INTERFACE TO CELLULAR INTERFACE - A method and dual-mode device for handing over an active call from the device's VoIP interface to its cellular interface. The active call is placed on hold and a second call is established from the VoIP interface to the cellular interface of the dual-mode device, wherein the second call includes a VoIP leg from the VoIP interface of the dual-mode device to a communications server. The remote device involved in the VoIP call is then instructed to initiate a new call to the communications server referencing the second call and causing the communications server to replace the VoIP leg of the second call with the new call, thereby joining the remote party to the second call connected to the cellular interface of the dual-mode device. The active call is then terminated. | 01-22-2009 |
20090023450 | SYSTEM AND METHOD FOR HANDOFF OF SESSION FROM VOIP INTERFACE TO CELLULAR INTERFACE OF DUAL-MODE DEVICE - A method and system for handing off an active VoIP call with a remote party from a VoIP interface of a dual-mode device to a cellular interface of the dual-mode device. A cellular call is established between a PBX IP/PSTN gateway and the cellular interface. Media relating to the first termination point of the VoIP leg of the active call is then redirected to the cellular call and the VoIP leg is terminated. | 01-22-2009 |
20100064172 | APPARATUS AND METHOD FOR MACRO OPERATION INVOLVING A PLURALITY OF SESSION PROTOCOL TRANSACTIONS - An apparatus and method for macro operation involving a plurality of session protocol transactions is disclosed. In accordance with an embodiment of the disclosure, a mobile device generates a binary encoded message having an indication from which a server can determine a plurality of session protocol transactions to be performed. The binary encoded message is sent from the mobile device and received by the server. In accordance with an embodiment of the disclosure, the server determines the plurality of session protocol transactions to be performed based on the indication in the binary encoded message and attempts the plurality of session protocol transactions. By reducing the number of messages between the mobile device and the server, and by reducing the message size compared to SIP messages, communication resources for the mobile device can be conserved. Also battery power for the mobile device can be conserved. | 03-11-2010 |
20100216500 | SYSTEMS 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 |
20110087791 | SYSTEM AND METHOD FOR MANAGING REGISTRATION OF SERVICES FOR AN ELECTRONIC DEVICE - The present disclosure described herein relates to a device and method for managing access to a server. The method comprises: receiving a request from the device for access to servers in a network; generating and sending access requests to servers from an interface entity, where the access requests are produced from analyzing at least one capability of the device; monitoring for responses from the servers to the access requests; extracting access information from the responses; and generating and sending a response to the request for access to the device, the response including the access information from the responses from the servers. | 04-14-2011 |
20110185010 | SYSTEM AND METHOD FOR DETECTING AND PROCESSING STALE MESSAGES - A system and method for handling stale messages is presented. A first message is transmitted to a peer entity. The first message includes a first timestamp. A second message is received from the peer entity. The second message is related to the first message and includes a second timestamp. A third message is received from the peer entity. The third message includes a third timestamp. A staleness of the third message is determined using the first timestamp, second timestamp, and third timestamp. When the third message is stale, the third message is at least one of ignored and discarded. When the third message is not stale, the third message may be processed. | 07-28-2011 |
20110189985 | System and Method for Alternating Between In-Band and Out-of-Band Communication Path - Systems, methods and devices are disclosed useful for enabling wireless signals representing control messages to be sent between a wireless handheld telephony device and a call control server during an ongoing communication session when an out-of-band path becomes unavailable, the communication session being controlled by the call control server. | 08-04-2011 |
20110225307 | APPARATUS AND METHOD FOR REDUCING RESPONSES WHEN EXECUTING A SESSION INITIATION PROTOCOL OPERATION - An apparatus and method for reducing responses when executing a session protocol operation is disclosed. In accordance with an embodiment of the disclosure, a mobile device generates a binary encoded message having an indication from which a server can determine a session protocol operation to be performed without communicating all responses for the SIP transaction. The binary encoded message is sent from the mobile device and received by the server. In accordance with an embodiment of the disclosure, the server determines, based on the indication in the binary encoded message, the SIP transaction to be performed without communicating all SIP responses relating to the SIP transaction. The server then attempts the SIP transaction. By reducing the number of SIP responses, communication resources for the mobile device can be conserved. Also battery power for the mobile device can be conserved apparatus and method for reducing responses when executing a session initiation protocol operation | 09-15-2011 |
20110307624 | Method and System to Release Internet Protocol (IP) Multimedia Subsystem (IMS), Session Initiation Protocol (SIP), IP-Connectivity Access Network (IP-CAN) and Radio Access Network (RAN) Networking Resources When IP Television (IPTV) Session is Paused - A user equipment (UE), comprising at least one component configured to support controlling a media stream and modifying Internet Protocol-Connectivity Access Network (IP-CAN)/Radio Access Network (RAN) and Internet Packet (IP) Multimedia Subsystem (IMS) media resources, wherein the IP-CAN/RAN and IMS media resources are modified using a Session Initiation Protocol (SIP) RE-INVITE request to an IMS network, and wherein the media stream is controlled using a Real Time Streaming Protocol (RTSP) request to a media server. Also included is a UE comprising at least one component configured to support a method comprising sending a RTSP request to a signaling/control server in communications with a media server to control a media stream, wherein a SIP RE-INVITE request associated with the RTSP request is further sent from the UE or the signaling/control server to an IMS network to modify media resources associated with the media stream. | 12-15-2011 |
20120072594 | SYSTEM AND METHOD FOR MANAGING REGISTRATION OF SERVICES FOR AN ELECTRONIC DEVICE - The present disclosure described herein relates to a device and method for managing access to a server. The method comprises: receiving information regarding a current capability of the wireless electronic device from the electronic wireless device; analyzing the information with operating parameters of the servers to identify a second set of servers in the network that are compatible with the current capability; generating and sending access requests to the second set of servers; monitoring for responses from the second set of servers to the access requests; and generating and sending a response to the wireless electronic device providing information relating to the second responses from the second set of servers. | 03-22-2012 |
20120083285 | METHOD, DEVICE AND SYSTEM FOR ENHANCING LOCATION INFORMATION - A method, system and apparatus for obtaining enhanced location information for a mobile device. The mobile device is configured to allow a determination of its location, for example via GPS. Location data for the mobile device, exemplarily obtained via GPS, may be further specified using context information for the mobile device. Additional data is obtained and processed to obtain context information for the mobile device. Enhanced location information is determined for the mobile device at least in part based on processing the location data in association with the context information. Additional data may comprise, for example, ambient noise, speech, images or text. | 04-05-2012 |
20120117230 | SYSTEM AND METHOD FOR PROVIDING AND MANAGING A TARGET LIST ON BEHALF OF A USER AGENT CLIENT - A method and system for managing a target list on behalf of a user agent client, the method receiving a subscription request from the user agent client, the subscription request containing at least one uniform resource identifier identifying a resource; providing a subscription request to a an information owning enabler; receiving a notification containing information associated with a candidate uniform resource indicator set; evaluating information associated with the candidate uniform resource indicator set to create a selected uniform resource indicator set; and notifying the user agent client of the selected uniform resource indicator set. | 05-10-2012 |
20120150961 | SYSTEM AND METHOD FOR DETECTING AND PROCESSING STALE MESSAGES - A system and method for handling stale messages is presented. A first message is transmitted to a peer entity. The first message includes a first timestamp. A second message is received from the peer entity. The second message is related to the first message and includes a second timestamp. A third message is received from the peer entity. The third message includes a third timestamp. A staleness of the third message is determined using the first timestamp, second timestamp, and third timestamp. When the third message is stale, the third message is at least one of ignored and discarded. When the third message is not stale, the third message may be processed. | 06-14-2012 |
20120151571 | "Push" Keep-Alive Mechanism For SIP User Agents Located Behind NATS/Firewalls - A user equipment (UE) and method is provided having one or more components configured to receive a non-session initiation protocol (SIP) notification from a SIP entity and in response to send a ping request to the SIP entity, the one or more components further configured to receive a SIP request from the SIP entity. A network component and method is also provided that include one or more components configured to send a non-session initiation protocol (SIP) notification to a user equipment (UE) and to receive a ping request from the UE and further to send a SIP request to the UE. | 06-14-2012 |
20120185604 | SYSTEM AND METHOD FOR INDICATING CALLEE PREFERENCES - A system and method of communicating callee device preferences to a network is present. A first device identification is transmitted. The first device identification at least one of identifies the callee device and describes a capability of the callee device. A caller capabilities pattern is encoded into a first session initiation protocol (SIP) message. The caller capabilities pattern describes an attribute of a candidate caller device. An action pattern is encoded into the first SIP message. The action pattern defines an action and the network is configured to take the action. The action pattern is associated with the caller capabilities pattern. The first SIP message is transmitted to the network. | 07-19-2012 |
20120278486 | SYSTEM AND METHOD FOR MANAGING REGISTRATION OF SERVICES FOR AN ELECTRONIC DEVICE - The present disclosure described herein relates to a wireless electronic device and method for managing access to a server. The method comprises: identifying a first capability of the wireless electronic device; analyzing the first capability with operating parameters of a plurality of servers in the network to identify a first server that is compatible with the first capability; analyzing operating parameters of a plurality of services available in the network to identify a service of the plurality of services that the wireless electronic device cannot access in view of a second capability not currently provided by the wireless electronic device; identifying a second server in the plurality of servers that provides the second capability; and generating and sending an access request to the second server for the wireless electronic device. | 11-01-2012 |
Patent application number | Description | Published |
20130021998 | Using Non-IMS Connections in IMS Sessions - Systems and methods can be implemented for IP multimedia subsystem (IMS) resource reservation. A first electronic device can transmit, through an IP network, a non-Session Initiation Protocol (SIP) message to an application server in an IMS network, where the non-IMS SIP message includes a request to initiate an IMS communication session through the IMS network with a second electronic device. A SIP message can also be transmitted through the IMS network to the application server that initiates a SIP INVITE session between the first electronic device and the application server, where the SIP INVITE session is routed through the IMS network. The first electronic device can then, receive a SIP response message that identifies a resource reservation for the IMS communication session from the application server. | 01-24-2013 |
20130115996 | SYSTEMS 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 |
20140378162 | METHOD, DEVICE AND SYSTEM FOR ENHANCING LOCATION INFORMATION - A method, system and apparatus for obtaining enhanced location information for a mobile device. The mobile device is configured to allow a determination of its location, for example via GPS. Location data for the mobile device, exemplarily obtained via GPS, may be further specified using context information for the mobile device. Additional data is obtained and processed to obtain context information for the mobile device. Enhanced location information is determined for the mobile device at least in part based on processing the location data in association with the context information. Additional data may comprise, for example, ambient noise, speech, images or text. | 12-25-2014 |