Comments
In short SIP is a new signaling, presence and instant messing protocol developed to set up, modify, and tear down multimedia sessions, request and deliver Presence and instant messages over the Internet.And it is used world wide.
Posted by HamidAliKhan
For history plz visit the following link
http://windowsitpro.com/article/articleid/27399/a-short-history-of-sip.html
Posted by Hash007
The Session Initiation Protocol (SIP) is a new signaling, presence and instant messing protocol developed to set up, modify, and tear down multimedia sessions, reqiest and deliver Presence and instant messages over the Internet
Posted by sobin
-