Method and apparatus for implementing voice group call service and data group call service by circuit switch or packet switch respectively in mobile network

摘要

The present invention provides a method and corresponding apparatus for multimedia group call service in mobile network. According to the present invention, voice group call is established by circuit switch while data group call is established by packet switch. Compared with the prior art, the solutions disclosed in the present invention can shorten the "Call Setup latency" and "Intra-call latency" when performing voice group call and can provide better link quality.