Asterisk Phone Systems

What is VoIP? - A primer on the basic concepts involved in Voice-over-the-Internet-Procotol.

How Can I Use VoIP? - An overview of a few benefits to leveraging the power of an VoIP enabled telephone service.

What is SIP? - A fundamental overview of the Session Initiation Protocol. Originally published in 2005 for the InteropNet Labs.

Getting Started with SIP - Provides an inexpensive approach to learn more about about SIP, to get real-world experience by using freely available tools and resources. Originally published in 2005 for the InteropNet Labs.

SIP and the PSTN - Describes the methodologies and caveats of interconnecting a SIP-based PBX to the Public Telephone System. Originally published in 2005 for the InteropNet Labs.

Proper Asterisk Management: The Foundation - A brief look into the core concepts of deploying an Asterisk-based solution.