SIP

PortGo is the newest SIP softphone from PortSIP, it's built base on PortSIP...

This project develops a third-party plugin for the Pidgin multi-protocol instant messenger...

jphonelite is an open source Java SIP VoIP audio and video SoftPhone. The program features 6 lines with a transfer...

360Volume . is a leading Voice Over IP Provider and System Integrator dedicated to delivering...

GramaFone is a SIP dialer for Windows PCs that offers communication solutions for small and medium...

AirMeUp provides free text messaging...

Billion PBX - new generation phone system working in IP-networks using SIP protocol...

Logotell is a multifunctional communicator enabling voice over IP, SMS over IP and instant messaging...

Distributed SIPFlow captures and displays SIP and Diameter messages in an intuitive graphical interface...

Yashvoice is a free and useful tool, that allows you to easily communicate with people...

Blue’s IP Buffer is the new generation device that stores the telephone traffic data, for a safe management...

VebCall is one of the leading VoIP (Voice over Internet Protocol) Service Provider specializing...

iTellVoip is a professional software tool with a friendly interface resembling...

Go4sip is one of the leading Voip (voice over internet protocol) service provider...

SipLink PC Dialer allows you to see real...