摘要： 对于开放式的语音通信模型，H.323和SIP都是基于IP的语音通信的体系结构的标准。通过对SIP协议的相关技术的研究，提出在Web的客户端浏览器上用Java来实现SIP协议的客户端用户代理部分。
关键词:
VoIP,
H.323,
SIP,
用户代理
Abstract: H.323 and SIP are infrastructure standards of Voice over IP , which is an open packet telephony architecture . This paper discuss the related technologies of SIP protocol and its implementation on Web, then uses Java to program a SIP client as an applet running on browser .
中图分类号:
程华,宋国新. 开放的语音通信模型研究及实现[J]. , 2001, 27(06): 143-145.
CHENG Hua，SONG Guoxin. Researching on Open VoIP Model[J]. , 2001, 27(06): 143-145.