Voice over Internet Protocol (VoIP) technology has been key in allowing individuals and organizations to make and manage audio and video calls using the Internet. Call center companies, businesses, ...

This article describes how to build an embedded Asterisk IP-PBX with four analog (FXO or FXS) ports. Total parts cost is about $500 US, which is competitive with PC/PCI-card based Asterisk solutions.

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 ...

We tested products from four vendors and found that in some areas – configuration, for example – the tools were adequate across the board (for details on the IP PBX configurations submitted and ...