The Session Initiation Protocol is a necessary piece of the communications puzzle. With the explosion of the number of communication devices, people are more connected than ever before. IP-enabled ...

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 ...

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 – ...

As SIP continues to seep into the mainstream, more attention is being paid to security issues, especially in public IP networks/the Internet. At VoiceCon Orlando in March, we're bringing back Cullen ...

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 ...

It should come as no surprise to avid followers of this blog that the PSTN is potentially going to be mothballed in the next seven years. If you are wondering what will replace it, the answer is ...