VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Matrix reference homeserver
Java wrapper for the popular chat & VOIP service
Convert VoIP calls to text and analyze them with AI
Issabel PBX - Unified Communications
Open source Fax server software for inbound / outbound internet Faxing
SMS, Fax, Voice Broadcasting and auto dialer Software
Modern, AI-Smart, WASTE p2p for ipv4, Tor and i2p + Voice Conference.
ICTCore: Unified Communications Framework for web developers
Unified Communications Server
Unified Communications System - PBX System
Java VoIP Softphone (SIP) (replaced by jfPhone)
Project about FusionPBX on Live Medium
Free software and hardware for telephony
VoIP/SIP Autodialer
High performance, production quality STUN server and client library
Kazoo Live Medium. From Null to a Full Featured PBX on minutes
AstCDR