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 ...

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

To understand the challenges in building an embedded IP-PBX we first needto take a look at a typical PC-based x86 Asterisk PBX. Figure 1: Block diagram of a typical PC based Asterisk PBX. In this case ...

Payphones used to be found on just about every street corner. They were a convenience, now replaced by the ubiquitous mobile phone. These machines were the stomping grounds for many early computer ...

So, you need to deploy a Private Branch eXchange (PBX) system for your small office. Or, maybe you want a voice-mail system running on your Linux box at home. What about an interactive voice response ...

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 ...

Open-source PBX software that runs under Linux and other Unix variants on a variety of hardware, including x86, PowerPC, POWER and Xscale. Supporting traditional telephony (TDM) as well as voice over ...

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 ...

Here’s your network’s dirty little secret: Your private branch exchange (PBX) is old and outdated, and if you want to bring it into the modern era with IP telephony and voice over IP (VoIP), you’re ...

A vulnerability in the Asterisk private branch exchange (PBX) server that enables an attacker to gain complete control of a PBX system has been discovered by an Australian and New Zealand security ...