Voice-over-IP (VoIP) networking comprises many components and network managers might find themselves treading on new and fragile ground as they investigate VoIP projects. This white paper provides an ...

The iptel.org 180+ page SIP tutorial is outstanding. Another overview that is a bit more market-oriented and nearly as long. White paper on the SIP value proposition over telephony, SIP and the new ...

Mitel has announced Release 5 of its 3300 Integrated Communications Platform IP PBX, advancing on a published roadmap aimed at higher scale, increased SIP (Session Initiation Protocol) compliance, ...