Browse free open source Telephony software and projects for Mac below. Use the toggles on the left to filter open source Telephony software by OS, license, language, programming language, and project status.
Issabel PBX - Unified Communications
A simple noise gate app intended for use with VOIPs like Skype.
Unified Communications Server
VICIdial Contact Center Suite
PHP version of Google's phone number handling library
Cellular manager for mobile phones/modems
Sim Card explorer and decoder
Open-source event-driven AI powered Softphone
Enterprise telephony recording and retrieval system
Java wrapper for the popular chat & VOIP service
High performance, production quality STUN server and client library
AT commands as input are sent to modem and responses given as output.