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 ...

The dizzying array of SMB VoIP products and unified communications available on the market means solution providers can pick and choose which features and capabilities to push to customers. That is ...