Matrix reference homeserver
A domain based multi-tenant PBX & voice switch for FreeSWITCH
PHP version of Google's phone number handling library
Java wrapper for the popular chat & VOIP service
Provide softphone support to AmazonConnect customers
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
VICIdial Contact Center Suite
Issabel PBX - Unified Communications
Web based system for Computer Assisted Telephone Interviewing (CATI)
Desktop communication tool: chat, telephony, multimedia
Simple application to capture and report on Mitel SMD data
Remote control software for applications using wi-fi or bluetooth
Cellular manager for mobile phones/modems
Advanced Telecom Security Live Linux OS for 5G/4G Cellular Auditing, S
VoIP/SIP SoftPhone (formerly known as jphonelite)
Free texting, voice and video calls in any web browser. Your username
Convert VoIP calls to text and analyze them with AI
Open source Fax server software for inbound / outbound internet Faxing
Open source CSTA library
Open source auto dialer for voice, fax and SMS campaigns