Skype:1 Hour free international calling(from US only)
These countries include....canada,france, germany,UK etc.The offer is valid till 30th June.
For details please visit....
http://www.amperordirect.com/pc/r-skype-news/z-news-062106a.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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