Patent application number | Description | Published |
20100111087 | Method and an Arrangement for Handling a Service Request in a Multimedia Network - A method and arrangement for handling a service request in a session control unit in a multimedia network. Upon receiving the service request from a user equipment, the session control unit checks a service profile associated with a user-identity of the service request in order to find an application server to which the service request is to be routed. Prior to routing the service request, an ensuring entity ensures the service request will include a primary user-identity. In the application server, the primary user-identity is used to find stored data, which is necessary for executing the requested service. | 05-06-2010 |
20100185757 | Method and Apparatus for Use in a Communications Network - A method is disclosed for use in a telecommunications network that makes use of the Session Initiation Protocol (SIP). The method comprises receiving node status information in a SIP Request whose Request Uniform Resource Identifier, or Request-URI, identifies the SIP Request as comprising node status information and also identifies the intended recipients of the node status information. | 07-22-2010 |
20110034202 | POC 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 |
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 |
20110231558 | Method and Apparatus for Establishing a POC Session - According to a first aspect of the present invention there is provided a method of establishing a Push-to-talk over Cellular (PoC) communication session between an inviting PoC client and at least one invited PoC client using an IP Multimedia Subsystem network. The method comprises using the pre-established session procedure to negotiate media parameters between the inviting PoC client and a participating PoC server for the inviting PoC client. At the inviting PoC client, sending a Talk Burst Control Protocol (TBCP) or Media Burst Control Protocol (MBCP) message directly to its participating PoC server, the TBCP or MBCP message containing the PoC address of the at least one invited PoC client. At said participating PoC Server, in response to receipt of the TBCP or MBCP message, generating a SIP INVITE message and sending the SIP INVITE message towards a participating PoC server for the at least one invited PoC client. | 09-22-2011 |
20120120914 | Packet Switched To Circuit Switched Access Handovers In An IMS Architecture. - A method of enabling the management of handovers of voice calls from a Packet Switched, PS, access to a Circuit Switched, CS, access where the voice calls are established using an IP Multimedia Subsystem, IMS, network. The method comprises performing a first IMS registration of a user via said PS access including setting for the user in a Home Subscriber Server, HSS, of the user's home network, an identifier of a first access transfer control function, which access transfer control function is responsible for anchoring user media sessions in an access transfer gateway of a serving network, and notifying a mobility function within said service network of the set identifier. A second or further IMS registration of the same user is then performed via said PS access, it being determined that said first IMS registration exists. As a consequence, the setting of an identifier of a second or further access transfer control function in the HSS for the user is prevented, whilst either the setting of the identifier of the first access transfer control function is maintained, or is replaced with an identifier of a service centralisation and continuity application server. The mobility function is notified of any change to the set identifier. In the event of a requirement to handover an ongoing voice call associated with said second or further IMS registration from said PS to said CS access, the identifier currently set in the HSS and identified to the mobility function is used to manage the handover. | 05-17-2012 |
20120213127 | INDICATING TRANSFER IN AN IMS NETWORK - A method and apparatus for indicating to a node in an IMS network a transfer between two endpoints. A node in a first network determines that a communication session is to be transferred from a first endpoint to a second endpoint. The node includes an indication of at least one of the endpoints, and an explicit communication transfer indicator, in a message. The message is then sent towards the node in the IMS network. This allows the node in the IMS network to determine that a transfer has taken place and, if necessary, take further action. | 08-23-2012 |
20130028179 | Methods and Apparatus for Supporting the Implementation of IMS Service Continuity - According to a first embodiment of the present invention there is provided a method of operating a node of a communications network that is configured to provide an IP Multimedia Subsystem Access Transfer Control Function. The method comprises storing information regarding IMS Service Continuity features that are supported by Mobile Switching Center servers within the network. Upon receipt of a message requesting IMS registration of a user equipment using the information to determine the IMS Service Continuity features that may be available to the user equipment, and, for any IMS Service Continuity features that may be available, including an indication that the IMS Service Continuity feature may be available in the message, and forwarding the message towards a Service Centralization and Continuity Application Server. | 01-31-2013 |
20140133455 | ACCESS TRANSFER FOR A DRVCC MOBILE TERMINAL - A method of Dual Radio Access Transfer of an IP Multimedia session, IMS, in an alerting phase for the Packet Switched to Circuit Switched direction. The method comprises initiating an IMS media session towards a terminating mobile station, UE and, during a session alerting phase, making a determination at the UE that a DRVCC transfer is required from a Packet Switched, PS, to a Circuit Switched, CS, access. The method comprises sending a SIP message from the UE to a Service Centralization and Continuity Application Server, SCC-AS, over the PS access, informing the SCC-AS of the DRVCC transfer, and responding to receipt of the SIP message at the SCC-AS by sending a SIP INVITE from the SCC-AS towards a Mobile Switching Centre, MSC, serving the UE in the CS access, the INVITE including an identity of the UE as a called party identity and the STN as the calling party identity. The method further comprises responding to receipt of said INVITE at the MSC, or to receipt of associated CS signalling, by sending from the MSC to the UE a CS Setup message, whereupon the MSC is placed in a state in which it expects a CS Answer from the UE. | 05-15-2014 |
20140185490 | HANDLING COMMUNICATION SESSIONS IN A COMMUNICATIONS NETWORK - A method and apparatus for handling a communication session in a communications network. An Application Function node receives a request to register a user terminal in the communication network. The Application Function identifies an Access Point used by the terminal to register with the network, and send a request message to a Policy and Charging Register Function (PCRF). The request message includes an Access Point Name identifying an Access Point used by the user terminal. The AF receives a response message from the PCRF, including an indicator indicating whether the Access Point is an Emergency-Access Point. The AF subsequently receives a message from the user terminal that identifies a non-emergency terminating node. If the indicator indicates that the Access Point is not an Emergency-Access Point, the AF allows the communication session. If the indicator indicates that the Access Point is an Emergency-Access Point, then the AF rejects the communication session. | 07-03-2014 |
20140323125 | Home Communication Network Determination - System, methods, nodes, and computer program for determining a home network of a UE roaming in a visited network are described. The UE sends a session invitation to a further UE. The method comprises receiving, by a control node in the home network, the session invitation. The method further comprises adding, by a control node in the home network, an indication of the home network identity and an indication for session invitation loopback routing, to the session invitation. The method further comprises sending, by a control node in the home network, the session invitation towards the visited network. The method further comprises receiving, by a control node in the visited network, a session invitation from the home network. The method further comprises determining, by the control node in the visited network, the home network based on the indication of the home network identity. | 10-30-2014 |