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 ...

I’ve had a phone line free household since I first got a cell phone. Being free from the wires works fairly well, but it has some limitations. To me the cellular phone is like a personal accessory, so ...

With the advent of voice-over-IP (VoIP) technology, there has been a dramatic movement toward IP-only telecommunications, leaving the twisted pair of yesteryear in the dust. Lower costs, automated ...

Digium sent us their Asterisk open source software PBX to CT Labs. It was installed on a dual-processor Linux server. With help from the Digium representative, we were able to connect three SIP phones ...