Method and mobile user equipment for handling media types of a communication session in an IMS communication system and an IMS node

摘要

A method of and mobile User Equipment, UE, for handling media types of an Internet Protocol, IP, multimedia communication session in an IP Multimedia communication Subsystem, IMS, wherein at the receipt of a session set up request message a mobile UE presents media type handling options based on the session set up request message. After receiving media type handling instructions by the mobile UE, based on the presented media type handling options, a session accept message is transmitted by the mobile UE in accordance with the media type handling instructions. Based on the media type handling instructions, media type may be routed by the IMS to terminal equipment remote from the mobile UE.

主权项

1. A method of handling media types of an Internet Protocol, IP, multimedia communication session in an IP Multimedia communication Subsystem, IMS, by calling User Equipment, UE, and called mobile UE comprising an IMS client supporting Session Initiation Protocol, SIP, signalling, said IMS comprising an IMS node having processing means connected to communication means for supporting a multimedia communications session in said IMS, and at least one remote terminal equipment arranged for exchanging multimedia content via said IMS, said method comprising steps of:
receiving a SIP session set up request message, from said calling UE, by said called mobile UE for establishing a first multimedia communication session in said IMS with said calling UE supported by said IMS node, and processing said received SIP session set up request message by said IMS client of said called mobile UE, initiating, by said IMS client of said called mobile UE a presentation of media type handling options by said called mobile UE based on said processed SIP session set up request message, receiving media type handling instructions by said called mobile UE based on said presented media type handling options, initiating, by said IMS client of said called mobile UE, in response to said processed SIP session set up request message, a transmission of a SIP session accept message to said calling UE in accordance with said received media type handling instructions, initiating, by said IMS client of said calling UE a second multimedia communication session with one of the at least one remote terminal equipment supported by said IMS node based on said SIP session accept message, and forwarding, in said second multimedia communication session, by said IMS node to said one of the at least one remote terminal equipment at least one media type of said first multimedia communication session, wherein the one of the at least one remote terminal equipment plays at least one of audio and video of the at least one media type of the first multimedia communication session.