SIP

Zoiper Classic IAX & SIP multilanguage and multiplatform (Windows, Linux and Mac OS X...

PhonerLite enables your PC to use it for Internet telephony (VoIP...

Linphone is a software solution alternative for mobile phone networks, who deals with SIP phone...

Net2Phone SIP Dialer lets you make phone calls using your computer...

OfficeSIP Server is a simple and efficient application...

Mizu Softphone is a professional VoIP softphone based on the open standard SIP protocol...

SipGo is a universal SIP client program that enables you to make...

You can enjoy a highly straightforward interface of a typical Windows program without any fancy skins...

TekSIP is a SIP Registrar and SIP Proxy for Windows with support for UDP, TCP, TLS, and WebSocket transports...

The GosSIP dialer is a customized SIP software client version that gives you the power...

WinSIP is a powerful, easy-to-use, software solution for generating bulk calls...

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

The SIP Proxy Tunnel can combine all SIP (signaling) and RTP (media) VoIP Packets from one location...

It provides a powerful and highly versatile solution to add quickly SIP...

Robust SIP ActiveX Phone is a powerful and robust SIP ActiveX phone client that can be used to write a SIP...

Billion Phone - compact convenient SIP phone software for making voice calls using...

Interaction SIP Proxy performs day-to-day load balancing, and is inherently capable of performing...

GULFSIP developed this software to be used in VOIP communications it's allows you to make GULFSIP to GULFSIP...

OfficeSIP Alerter is a simple, easy-to-use and free sip messenger. It was not designed for prolonged chat...

A Free Windows SIP PBX, with rich and powerful features like...