Internet Phone

Skype 2.0.072 / Beta

A free internet telephony that just works.

developer: Skype Technologies S.A.
version: 2.0.072 / Beta
license: Freeware
updated: 2011-06-07
downloads: 79002
Ekiga 3.3.2

Ekiga is a SIP and H.323 application, supporting audio and video, and is the successor of GnomeMeeting.

developer: Damien Sandras
version: 3.3.2
license: GPL
updated: 2011-08-23
downloads: 14257
QuteCom 2.2

Free VoIP SoftPhone

developer: Vadim Lebedev
version: 2.2
license: GPL
updated: 2010-10-20
downloads: 10176
Linphone 3.5.0

Linphone is a Web phone with a GNOME interface.

developer: Simon Morlat
version: 3.5.0
license: GPL
updated: 2011-12-26
downloads: 9989
SIP Express Router 0.9.6

SIP Express Router is a very fast and flexible SIP (RFC3261) server.

version: 0.9.6
license: GPL
updated: 2006-01-12
downloads: 8408
Kannel WAP and SMS Gateway 1.4.2

A high performance WAP and SMS gateway.

developer: The Kannel Group
version: 1.4.2
license: BSD License
updated: 2009-01-14
downloads: 6817
Twinkle 1.4.2

A soft phone for your voice over IP communcations using the SIP protocol.

developer: Michel de Boer
version: 1.4.2
license: GPL
updated: 2009-02-26
downloads: 6602

Gizmo is an Internet telephony application, designed to look like the popular iChat instant...

developer: SIPphone
license: Freeware
updated: 2007-12-01
downloads: 3541
Kiax 0.8.51 / 2.1 Beta 1

An IAX client application

developer: The Kiax TEAM
version: 0.8.51 / 2.1 Beta 1
license: GPL
updated: 2009-01-29
downloads: 3144
sipXecs 4.0.2

An Enterprise SIP PBX

developer: SIPfoundry
version: 4.0.2
license: LGPL
updated: 2010-01-18
downloads: 2867
Cornfed SIP User Agent 1.1.7

Cornfed SIP User Agent is a SIP Softphone.

developer: Frank Miller
version: 1.1.7
license: Free for non-commerc...
updated: 2008-11-16
downloads: 2816
iaxcomm 1.2.0

IaxComm is an Open Source softphone (VOIP) using iax protocol.

developer: Michael van Donselaar
version: 1.2.0
license: GPL
updated: 2006-06-22
downloads: 2241
Bulk SMS Script r3

Bulk SMS Script is a Python script that can be used to send bulk SMS Messages via the Clickatell.

developer: Michael Toop
license: GPL
updated: 2008-08-21
downloads: 2167
AntiDialer 0.2

Antidialer is a GUI based broadband dialer program for users of Sify Broadband using Linux.

developer: Siddhesh Poyarekar
version: 0.2
license: GPL
updated: 2006-08-10
downloads: 2128

PJSIP and PJMEDIA is the Open Source, high performance, small footprint SIP and media stack...

developer: Benny Prijono
version: 1.0.1
license: GPL
updated: 2009-01-20
downloads: 2031
Asterisk Soap API 0.0.1 Alpha

Asterisk Soap API is an extensible SOAP (Web services) API with the goal to create and support...

developer: Ludovic Fauvet
version: 0.0.1 Alpha
license: GPL
updated: 2007-07-06
downloads: 1799
sipsak 0.9.6

sipsak is a command line tool for performing various tests on Session Initiation Protocol (SIP)...

developer: Nils Ohlmeier
version: 0.9.6
license: GPL
updated: 2006-01-29
downloads: 1778
Sipcat VoIP PBX 1.2.5

Sipcat VoIP PBX is a software IP telephony system.

developer: Linugen
version: 1.2.5
license: Other
updated: 2008-02-19
downloads: 1670
Jiplet Container 0.2.0

Java SIP Servlet.

developer: Amit Chatterjee
version: 0.2.0
license: GPL
updated: 2009-02-02
downloads: 1661
VoIPER 0.07

A VoIP Exploit Research toolkit

developer: nnp
version: 0.07
license: GPL
updated: 2008-10-08
downloads: 1546
GNU Gatekeeper GUI 0.12

The GNU Gatekeeper GUI visualizes all registrations and VoIP calls the gatekeeper is managing.

developer: Jan Willamowiu
version: 0.12
license: GPL
updated: 2008-09-16
downloads: 1523
Stunner 0.0.5

Stunner is an RFC 3489 STUN server and client for Unix and Unix-line operating systems.

developer: Paul Dwerryhouse
version: 0.0.5
license: GPL
updated: 2006-09-18
downloads: 1359
Zfone Beta2

Zfone uses a new protocol called ZRTP, which is better than the other approaches to secure...

developer: Philip Zimmermann
license: Freely Distributable
updated: 2006-05-24
downloads: 1309
Voix Phone 1.0.3

A multiplatform IAX soft phone

developer: voixer
version: 1.0.3
license: Freeware
updated: 2011-08-20
downloads: 1308
Asterisell 3.7.1

A web-based application for viewing, rating, and billing Asterisk VoIP calls.

developer: Massimo Zaniboni
version: 3.7.1
license: GPL
updated: 2011-06-17
downloads: 1305
SIP UMS 0.0.1

SIP UMS is an Unified Messaging Server for the SEMS/IVR.

developer: SIP UMS Team
version: 0.0.1
license: GPL
updated: 2008-02-09
downloads: 1290
Verona 0.9.3

Verona is a portable VOIP toolkit based on eXosip, oSIP, oRTP, curl, and ffmpeg.

developer: Vadim Lebedev
version: 0.9.3
license: GPL
updated: 2006-10-26
downloads: 1265
VoIP Development Kit 2.0 TP

A software framework for creating VoIP applications

developer: NetResults
version: 2.0 TP
license: Shareware
updated: 2011-04-07
downloads: 1172
Bombino 1.2.0

Bombino is a small but powerful Skype plugin for creating Skype conferences on-demand via SMS.

developer: Vitaly A. Repin
version: 1.2.0
license: Shareware
updated: 2005-12-23
downloads: 1020
SCX Tools 0.1.1

SCX Tools package contains a set of Linux utilities for Skype.

developer: Symmetrica
version: 0.1.1
license: GPL
updated: 2007-10-23
downloads: 1008
VoIPonCD 20060525

VoIPonCD is an easy to configure Voice over IP PBX VMware appliance.

developer: VMware, Inc.
version: 20060525
license: Other
updated: 2008-06-16
downloads: 1003
SIPFwd 0.8

SIPFwd is a SIP forwarding daemon.

developer: Christof Meerwald
version: 0.8
license: GPL
updated: 2012-01-09
downloads: 880
GSUtil 0.3

GSUtil is a utility for saving, restoring, and rebooting GrandStream BudgeTone 100 VOIP phones.

developer: Charles Howes
version: 0.3
license: GPL
updated: 2006-07-29
downloads: 867
TuxCall 0.5

TuxCall is a call waiting detector for Linux.

developer: Angel Luis Jimenez Martinez
version: 0.5
license: GPL
updated: 2008-02-21
downloads: 838
Asterisk-eSpeak 2.0

Allows you to use the Espeak speech synthesizer with Asterisk

developer: Lefteris Zafiris
version: 2.0
license: GPL
updated: 2011-08-22
downloads: 826
pcapsipdump 0.1.4

pcapsipdump is a tool for dumping (recording) SIP sessions.

developer: Andrew Silent
version: 0.1.4
license: Other
updated: 2007-05-12
downloads: 733
openSpeak 0.1 RC2

openSpeak is a VoIP solution and is aimed at clan and casual gamers who like to chat while...

developer: The openSpeak Team
version: 0.1 RC2
license: GPL
updated: 2008-05-26
downloads: 731
PPhone 1.5.0 Beta 4

PPhone is a universal communication client for IP telephony and instant messaging.

developer: Ondra Havel
version: 1.5.0 Beta 4
license: BSD License
updated: 2007-04-13
downloads: 700
sipscreen 1.00

sipscreen project is a Linux iptables QUEUE target handler written in perl for screening incoming...

developer: Michael C. Toren
version: 1.00
license: GPL
updated: 2007-06-16
downloads: 629
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