基于JAIN开发的一个会议程序。采用SIP 作为信令。基本的文本会议功能已经实现，语音部分待扩展。-with JAIN based on the development of a proceedings. Using SIP as a signaling. The basic functions of the text has already been achieved, some voice to be extended.

jain_sip_sdp.jar,建立会话-jain_sip_sdp.jar, establish a session

实现sip软电话功能，使用jain sip协议来实现语音通话-Sip soft phone capabilities to achieve using jain sip protocol voice calls