An open source group has posted free Session Initiation Protocol-based PBX software that lets businesses create their own phone switches from standard Linux servers – but drawing business customers to ...

Of Pingtel’s three open source IP PBXs, we tested SIPxchange Enterprise Communication Server, Version 3.7. Pingtel also has the SIPxNano for fewer than 30 users, as well as a free, downloadable ...

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 ...

In a move that might send shivers down the spines of mainstream IP PBX vendors like Avaya, Cisco and ShoreTel, Michigan CAT has deployed an open source Asterisk IP PBX to handle its phone calls and ...

Digium Inc. is beefing up the warranties for its open-source IP private branch exchange (PBX) wares in an effort to assure customers that the products are reliable. The company already had a two-year ...

Los Angeles-based Fonality, a developer of IP PBX phone systems based on the open Source IP PBX software Asterisk, has rolled out a new call and presence management application for the Asterisk Open ...