Matrix reference homeserver
Issabel PBX - Unified Communications
Browse on Tor/i2p, Anon p2p Chat / FileTx, Conf / Video VoIP
Modern, AI-Smart, WASTE p2p for ipv4, Tor and i2p + Voice Conference.
Unified Communications Server
Unified Communications System - PBX System
High performance, production quality STUN server and client library
Kazoo Live Medium. From Null to a Full Featured PBX on minutes
Accent interfaces and controls systems through goals and policies
آستریسک با پشتیبانی از زبان فارسی
ERP, IP PBX, Accounting, CRM, Time tracking, and etc.
Asterisk and kannel integration
SIP softphone
Skype language files for additonal languages (details below)
H.323 Gatekeeper for VoIP and videconferencing
SIP Video Multiconference Media Server with WebRTC support.