Minimalist Windows / OSx / Linux SIP Softphone with API Control

SIP softphone

A Go implementation of the SDP

Real-time Charging System for Telecom & ISP environments

A fully featured browser based WebRTC SIP phone for Asterisk

sip capture server by hep。work with OpenSIPS, Kamailo, and FreeSWITCH。

Modern and flexible SIP/VoIP cli tool

Set of tools to audit SIP based VoIP Systems

Baresip is a modular SIP User-Agent with audio and video support

Go SIP UA library for client/b2bua

A SIP call processing server that can be controlled via nodejs applications

The Sipwise media proxy for Kamailio