VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Matrix reference homeserver
coturn TURN server project
Scapy is a Python-based interactive packet manipulation program
Desktop client for Matrix using Qt and C++20
Combat Flight Simulator for LINUX. WW2. Network and VOIP. Open-source.
High performance, production quality STUN server and client library
Xplico is a Network Forensic Analysis Tool (NFAT)
Accent interfaces and controls systems through goals and policies
This is actually a manipulated uelastix (popular VoIP package based on asterisk) which works with Raspberry Pi 1, 2, and 3
Enterprise Business Operating System
Linux Server and Data-Center WAN Optimization
Enterprise Billing & Accounting
SIP Video Multiconference Media Server with WebRTC support.
A command line utility for remote controlling Polycom VVX IP phones
Fast CGI-based AsteriskPBX cluster administration tool.
VozBox. Asterisk VoIP PBX.
Cyber-wrt pbx is embedded system in DD-Wrt router