A domain based multi-tenant PBX & voice switch for FreeSWITCH
PHP version of Google's phone number handling library
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
VICIdial Contact Center Suite
Web based system for Computer Assisted Telephone Interviewing (CATI)
The most affordable CRM system according to Capterra
Simple application to capture and report on Mitel SMD data
Unified Communications Server
Unified Communications System - PBX System
Cellular manager for mobile phones/modems
AstCDR
Simple web interface for mapping CDR from VoIP provider to Asterisk
An administration web interface for Mumble VoIP servers in PHP