基于IMS的无线一键通业务

A Service Based on IMS:PoC

本文介绍了无线一键通业务,讨论了其实现方案,并对典型PoC业务的SIP信令交互流程进行了描述。最后讨论了目前实现PoC业务面临的挑战。

This article introduces the PoC （Push- to- talk over Cellular） service, Its implementation scheme is discussed and its SIP （ Session Initiation Protocol ） signal exchange flow is described .At last,this article introduces the challenge of the Poc service.