Matrix reference homeserver
Java wrapper for the popular chat & VOIP service
A domain based multi-tenant PBX & voice switch for FreeSWITCH
PHP version of Google's phone number handling library
Provide softphone support to AmazonConnect customers
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Remote control software for applications using wi-fi or bluetooth
Telecom Security & Penetration Testing Linux OS (88+ Tools)
Cellular manager for mobile phones/modems
VICIdial Contact Center Suite
Simple application to capture and report on Mitel SMD data
Open source CSTA library
Modern, AI-Smart, WASTE p2p for ipv4, Tor and i2p + Voice Conference.
VoIP/SIP SoftPhone (formerly known as jphonelite)
Open source auto dialer for voice, fax and SMS campaigns
Display incomming calls on your desktop
Web based system for Computer Assisted Telephone Interviewing (CATI)