by Ted Haubein | Apr 4, 2015 | Voice
If your anything like me you have probably found yourself in this situation at least once or twice. You know the one where you have to troubleshoot a PRI related issue with your Carrier, and as usual they are pointing the blame at your equipment or at the vary least...
by Ted Haubein | Feb 28, 2015 | Voice
Hopefully if your reading this it’s not because your experiencing issue with one or more of your DSP farms. Unfortunately for me that’s exactly why I felt the need to write this post. The interesting thing was the problem didn’t actually manifest...
by Ted Haubein | Oct 14, 2014 | Voice
Cisco UP SIP Proxy The Cisco Unified Presence SIP Proxy service is responsible for providing the SIP registrar and proxy functionality. This includes request routing, requester identification, and transport interconnection. Cisco UP Presence Engine The...
by Ted Haubein | Aug 9, 2014 | Voice
I ran across a documentary regarding Walter Shaw that I just had to share. I had read a little bit about Walter Shaw and his history with AT&T, but I had no idea just how much he really changed the industry. If you like documentaries about technology as much as I...
by Ted Haubein | May 15, 2014 | Voice
The North American Numbering Plan or NANP is the Governing Body for North American countries that share its numbering resources. These countries include the United States, Canada, Bermuda, Anguilla, Antigua & Barbuda, the Bahamas, Barbados, the British Virgin...
by Ted Haubein | Aug 14, 2013 | Voice
Primary Rate Interface (ISDN) or PRI for short is used to describe the ISDN standard for Telecom services within the Integrated Services Digital Network or ISDN. It outlines the specification for carrying multiple DS0 channelized for voice and data. In the US the term...
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