SIP: Understanding the Session Initiation Protocol
SIP: Understanding the Session Initiation Protocol, Second Edition by Alan B. Johnston ISBN:1580536557 Artech House © 2004 (310 pages) Essential reading for anyone involved in the development and operation of voice or data networks, this also includes brand new discussions on the use of SIP as
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用户评论
看起来比较详细，图示很多。只是不能调字号，看着眼睛累
好资源，是详细描述7号信令的好文档，感谢楼主共享。