One of the most trusted names in communications Carl Ford – was explaining to me recently how the upcoming tutorial on SIP at ITEXPO, January 20-22, 2010 in Miami will be the best session on SIP – ...
The iptel.org 180+ page SIP tutorial is outstanding. Another overview that is a bit more market-oriented and nearly as long. White paper on the SIP value proposition over telephony, SIP and the new ...
Barrett Lyon has created a don't miss resource that shows you how to configure P2P SIP URI (Uniform Resource Identifier) dialing on your Asterisk-based PBX. "There are thousands of people that operate ...
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