基于SIP协议的即时消息聊天功能设计,Symbian平台下实现-based SIP instant messaging chat function design, under the Symbian platform

First of all, the Applet-phone is a SIP User-Agent with audio and text messaging capabilities. But i s also embedded in an applet where you can use it as usual if your firewall allow you to use the UDP transport. If not, you can use TCP to carr

这是一个基于Sip协议的聊天室，对学习sip协议的初学者有很大帮助-This is a chat room based on the Sip protocol, to learn for beginners sip protocol helps a lot