A domain based multi-tenant PBX & voice switch for FreeSWITCH
VICIdial Contact Center Suite
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Open source Fax server software for inbound / outbound internet Faxing
Cellular manager for mobile phones/modems
Web based system for Computer Assisted Telephone Interviewing (CATI)
The most affordable CRM system according to Capterra
Unified Communications Server
High performance, production quality STUN server and client library
VoIP/SIP Autodialer
Enterprise telephony recording and retrieval system
Multi user address book application accessable through the web.