communications › internet phone software free download

Kiax 0.8.51 (by The Kiax TEAM)
Kiax is an IAX client application (a so called Softphone) which allows PC users to make ordinary VoIP calls to Asterisk servers, the

Twinkle 0.9 (by Michel de Boer)
Twinkle is a soft phone for your voice over IP communcations using the SIP protocol

sipsak 0.9.6 (by Nils Ohlmeier)
sipsak is a small comand line tool for developers and administrators of Session Initiation Protocol (SIP) applications

AntiDialer 0.2 (by Siddhesh Poyarekar)
Antidialer is a GUI based broadband dialer program for users of Sify Broadband using Linux

Gizmo 1.1.0.40 (by SIPphone)
Gizmo is an Internet phone application, designed to look like the popular iChat instant messaging application

SMSSender 0.1 (by John Golubenko)

GNU Gatekeeper GUI 0.11 (by Jan Willamowiu)
The GNU Gatekeeper GUI visualizes all registrations and VoIP calls the gatekeeper is managing.

GNU Gatekeeper GUI also allows the us

Jiplet Container 0.0.9b (by Amit Chatterjee)
Jiplet is short for Java SIP Servlet

I Hear U 0.5.6 (by Matteo Trotta)
I Hear U is a Voice over IP (VoIP) application for Linux and it creates an audio stream between two computers in the easiest way and

iaxcomm 1.2.0 (by Michael van Donselaar)
IaxComm is an Open Source softphone (VOIP) using iax protocol

SJphone 1.60.299a (by SJ Labs, Inc.)
SJphone is a VOIP softphone that allows you to speak with any other softphone, any stand-alone IP-phone, or using ITSP with any tradi

Verona 0.9.3 (by Vadim Lebedev)
Verona is a portable VOIP toolkit based on oRTP, oSIP, eXosip, curl, and ffmpeg.

The toolkit includes a phApi module, which is a h

GSUtil 0.3 (by Charles Howes)
The Grandstream BudgeTone 100 VOIP telephone is a telephone that does VOIP on a budget, from a company called Grandstream.

GsUtil is

Zfone Beta2 (by Philip Zimmermann)
Zfone uses a new protocol called ZRTP, which is better than the other approaches to secure VoIP, because it achieves security without

Bombino 1.2.0 (by Vitaly A. Repin)
Bombino project is a small but powerful Skype plugin for creating Skype conferences on-demand via SMS.

After being installed, it a

PJSIP and PJMEDIA 0.5.9 (by Benny Prijono)
PJSIP and PJMEDIA is the Open Source, high performance, small footprint SIP and media stack written in C language.

It has many SIP

Stunner 0.0.5 (by Paul Dwerryhouse)
Stunner is an RFC 3489 STUN server and client for Unix and Unix-line operating systems

Speextalk 20050830 (by Nicolas George)
Speextalk is a simple, yet powerful voice-over-IP (VoIP) program with a custom protocol using the Speex codec

ZoIP 0.2.0 (by Simon P. Ditner)

pcapsipdump 0.1.1 (by Andrew Silent)
pcapsipdump project is a tool for dumping (recording) SIP sessions (and RTP traffic, if available) to disk in a fashion similar to "t

Skype 1.3.0.53 (by Skype Technologies S.A.)
Skype application uses P2P (peer-to-peer) technology to provide voice-based communication

SIP Express Router 0.9.6 (by iptel.org)
SIP Express Router (ser) is a high-performance, configurable, free SIP ( RFC3261 ) server

Ekiga 2.0.3 (by Damien Sandras)

Linphone 1.5.1 (by Simon Morlat)
Linphone is a web phone that it let you phone to your friends anywhere in the whole world, freely, simply by using the internet

WengoPhone 0.958m (by OpenWengo)
The Wengophone is an easy to use program, that enables you to call anyone, anywhere,