Digium

Switchvox Softphone

Free

A softphone app for use with Switchvox, Digium's award-winning IP PBX. Switchvox SMB version 5.10 or later is required. Please see the Switchvox...

Asterisk for Linux

Free

Powerful Open Source Telephony Software

LibSS7 for Linux

Free

Overview of LibSS7 for Linux

Asterisk Add-Ons (Linux)

Free

Enhance Asterisk with Add-Ons for Linux

AsteriskNOW for Linux

Free

Comprehensive Overview of AsteriskNOW for Linux

AsteriskNOW for Linux (64-bit)

Free

AsteriskNOW: Open Source Telephony Solution