SettingsFree VoIP software
2600hz
2600hz is a collection of free/open source software communications configuration and management software.
2600hz is a collection of free/open source software communications configuration and management software.
AskoziaPBX
AskoziaPBX is an Open Source telephone system (or "PBX") firmware originally created in 2007 by Michael Iedema.
AskoziaPBX is an Open Source telephone system (or "PBX") firmware originally created in 2007 by Michael Iedema.
Asterisk (PBX)
Asterisk is a software implementation of a telephone private branch exchange (PBX); it was created in 1999 by Mark Spencer of Digium.
Asterisk is a software implementation of a telephone private branch exchange (PBX); it was created in 1999 by Mark Spencer of Digium.
Coccinella (Instant Messenger)
Coccinella is a free client for the XMPP/Jabber-Instant-Messaging-protocol.
Coccinella is a free client for the XMPP/Jabber-Instant-Messaging-protocol.
CSipSimple
CSipSimple is a Voice over Internet Protocol (VoIP) application for Google Android operating system using the SIP.
CSipSimple is a Voice over Internet Protocol (VoIP) application for Google Android operating system using the SIP.
Ekiga
Ekiga /i k ai g a/ (formerly called GnomeMeeting) is a VoIP and video conferencing application for GNOME and Windows.
Ekiga /i k ai g a/ (formerly called GnomeMeeting) is a VoIP and video conferencing application for GNOME and Windows.
Elastix
Elastix is an open source Unified Communications Server software that brings together IP PBX, email, IM, faxing and collaboration functionality.
Elastix is an open source Unified Communications Server software that brings together IP PBX, email, IM, faxing and collaboration functionality.
Empathy (software)
Empathy is an instant messaging (IM) and voice over IP (VoIP) client which supports text, voice, video, file transfers, and inter-application communication over various IM protocols.
Empathy is an instant messaging (IM) and voice over IP (VoIP) client which supports text, voice, video, file transfers, and inter-application communication over various IM protocols.
FreeSWITCH
FreeSWITCH is a free/open source software communications platform for the creation of voice and chat driven products and is released under the MPL free software license.
FreeSWITCH is a free/open source software communications platform for the creation of voice and chat driven products and is released under the MPL free software license.
GNU Gatekeeper
The GNU Gatekeeper is an open-sourced project that implements an H.323 Gatekeeper based on the OpenH323 or H323Plus stack.
The GNU Gatekeeper is an open-sourced project that implements an H.323 Gatekeeper based on the OpenH323 or H323Plus stack.
GNU SIP Witch
GNU SIP Witch is a free SIP server software with Peer-to-peer capabilities from the GNU Project.
GNU SIP Witch is a free SIP server software with Peer-to-peer capabilities from the GNU Project.
Jitsi
Jitsi is a VoIP, videoconferencing, and instant messaging application for Windows, Linux and Mac OS X. It supports several popular instant messaging and telephony protocols.
Jitsi is a VoIP, videoconferencing, and instant messaging application for Windows, Linux and Mac OS X. It supports several popular instant messaging and telephony protocols.
Linphone
Linphone is a VoIP application available on PCs running Linux or Windows, Apple computers running Mac OS X, and Android and iPhone mobile phones.
Linphone is a VoIP application available on PCs running Linux or Windows, Apple computers running Mac OS X, and Android and iPhone mobile phones.
LinuxMCE
LinuxMCE (Linux Media Center Edition) is a free and open source software platform with a 10-foot user interface designed to allow a computer to act as a home theater PC (HTPC) for the living-roo...
LinuxMCE (Linux Media Center Edition) is a free and open source software platform with a 10-foot user interface designed to allow a computer to act as a home theater PC (HTPC) for the living-roo...
Mysipswitch
MySIPSwitch is a Voice over IP (VoIP) open-source software under BSD licence and a free service.
MySIPSwitch is a Voice over IP (VoIP) open-source software under BSD licence and a free service.
OpenSER
OpenSER is a Session Initiation Protocol proxy server, call router, and user agent registration server used in Voice over Internet Protocol and instant messaging applications.
OpenSER is a Session Initiation Protocol proxy server, call router, and user agent registration server used in Voice over Internet Protocol and instant messaging applications.
QuteCom
QuteCom is a free software SIP compliant VoIP client developed by the QuteCom community under the GNU General Public License.
QuteCom is a free software SIP compliant VoIP client developed by the QuteCom community under the GNU General Public License.
SIP Express Router
SIP Express Router (SER) is a SIP server licensed under the GNU General Public License.
SIP Express Router (SER) is a SIP server licensed under the GNU General Public License.
Sipdroid
Sipdroid is a Voice over Internet Protocol (VoIP) application for the Google Android operating system using the Session Initiation Protocol.
Sipdroid is a Voice over Internet Protocol (VoIP) application for the Google Android operating system using the Session Initiation Protocol.
Sippy B2BUA
Sippy B2BUA is a RFC3261-compliant Session Initiation Protocol (SIP) Back-to-back user agent (B2BUA) software distributed under the terms of GPL Free Software license.
Sippy B2BUA is a RFC3261-compliant Session Initiation Protocol (SIP) Back-to-back user agent (B2BUA) software distributed under the terms of GPL Free Software license.
Tapioca (framework)
Tapioca is a free framework for Voice over IP and instant messaging.
Tapioca is a free framework for Voice over IP and instant messaging.
Telephone (application)
Telephone is a softphone for Mac OS X. It uses Session Initiation Protocol for communication.
Telephone is a softphone for Mac OS X. It uses Session Initiation Protocol for communication.
Twinkle (software)
Twinkle is a free and open source software application for Voice over Internet Protocol voice communications in IP networks, such as the Internet.
Twinkle is a free and open source software application for Voice over Internet Protocol voice communications in IP networks, such as the Internet.
Yate (telephony engine)
Yate is a free and open source communications software with support for video, voice and instant messaging.
Yate is a free and open source communications software with support for video, voice and instant messaging.
YXA
Yxa is a program written in Erlang implementing a telephone private branch exchange (PBX) was written by Magnus Ahltorp at Royal Institute of Technology (KTH) in the end of 2002.
Yxa is a program written in Erlang implementing a telephone private branch exchange (PBX) was written by Magnus Ahltorp at Royal Institute of Technology (KTH) in the end of 2002.