Since I seem to be feeling rather talkative today, I figured I'd post a bit on the latest little bit of geekery I committed this week. All noted configuration file examples can be downloaded from here ...

In Parts 1, 2 and 3, we set up Asterisk as a PBX for four PSTN lines. We set up incoming and outgoing calling and restricted outgoing calls to authorized users only. Our fine example users Alrac, Stan ...

Editor's note: This article is based in large part on information provided by Mark Spencer and Digium. I recently had a reason to approve a purchase of a new phone system for a small company. Twenty ...

We're some months away from moving and looking to replace our old Siemens HiPath PBX with something VoIP based. One of the first things that came to my mind was a media Gateway, Asterisk and SIP ...

The author is assistant chief engineer of Radio One Dallas. For years, Radio One Dallas had a Nortel phone system that seemingly required a service call for anything beyond switching out a handset ...

The Asterisk PBX platform has been around for nine years and has drawn interest from a wide range of end users and businesses looking to expand on the basic software or add peripherals to make it more ...

Nearly three years since Jon “maddog” Hall predicted that “VoIP using an open source solution, such as Asterisk, will generate more business than the entire Linux marketplace today,” open source VoIP ...

Here’s your network’s dirty little secret: Your private branch exchange (PBX) is old and outdated, and if you want to bring it into the modern era with IP telephony and voice over IP (VoIP), you’re ...