Matrix reference homeserver
Free, native Windows SIP softphone with HD audio, SRTP encryption
VICIdial call center optimization tools, monitoring utilities, and per
Issabel PBX - Unified Communications
Unified Communications Server
Unified Communications System - PBX System
This is a PBX dashboard showing the peer,queue,agent at real time
High performance, production quality STUN server and client library
Asterisk based VoIP pbx appliance
Kazoo Live Medium. From Null to a Full Featured PBX on minutes
Scan all CISCO phones in your LAN to get their information
Accent interfaces and controls systems through goals and policies
ERP, IP PBX, Accounting, CRM, Time tracking, and etc.
Asterisk and kannel integration
H.323 Gatekeeper for VoIP and videconferencing
SIP Video Multiconference Media Server with WebRTC support.