VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Open source Fax server software for inbound / outbound internet Faxing
Unified Communications Server
High performance, production quality STUN server and client library
1 on 1 Webcam Videochat Script with P2P Support
Baresip is a modular SIP User-Agent with audio and video support
A plugin for Teamspeak3. This plugin allows you to autofollow a user.
Small and effective program for SIP traces anonymization
Graph active VoIP calls on Google Maps.
A P2P Messenger which uses JXTA. It provides secure RSA/AES end-to-end
A suite of open-source tools and frameworks for creating SIP apps
The Agispeedy is an AGI Application Server implemention in asterisk