Cisco adds expanded SIP support in Router software
see the details here....
http://www.networkworld.com/news/2006/120406-cisco-strengthens-ios-code.html
SIP is an application layer protocol,standardized and mantained by IETF.It is used for transfering multimedia data over an IP network.SIP runs over TCP/UDP ,uses port number 5060,and makes a voip developers life much easier.to know about SIP in detail you may visit.. http://en.wikipedia.org/wiki/Session_Initiation_Protocol I have created this blog to put news and info regarding VOIP (Voice over internet protocol),and SIP. I feel SIP is the future of telephony.
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