Ozeki Phone System XE is a Software PBX telephony platform for Windows. Ozeki enables your applications to connect PBX and access IVR, Webphone, SMS sending, 3D video calls and other functionalities. It makes possible to use PHP VOIP, .NET VOIP, VOIP SQL connections or HTTP requests for control and automate your business communication.
A robust SIP/H.323/WebRTC softswitch for Windows with a long list of features including PBX and billing.
Spreed is the worldwide unified web conferencing service offering integrated web and telephone conferencing. It is based on Fl ...
Kamailio® (successor of former OpenSER and SER) is an open source SIP server released under GPL, able to handle thousands of c ...
Asterisk is free software that transforms a computer into a communication server. Asterisk lets you build applications like PB ...
FreeSWITCH is a scalable open source cross-platform telephony platform designed to route and interconnect popular communicatio ...
Wazo is mainly an IPBX that provides communication services such audio, video, and instant messaging based on the use of stand ...
TollFree and IVR are the cloud telephony services which help you to improve your performance and you can provide customer serv ...
Starfish PBX aims to be an open source alternative to Digium’s Switchvox. The goal is to have a software equivalent to which w ...
3CXPhone is a free VoIP phone available for Windows, iPhone or any Android based smart phone such as Google Nexus, Sony Xperia ...
VoipSwitch is a SoftSwitch System with routing and billing, with SIP protocol support (in older versions also H323). Basic pac ...
Yate is a softswitch (concept of separating the network hardware from network software). It supports VoIP protocols: H.323, ...
The MiRTA PBX is an interface written in PHP using Mysql as backend to manage a multitenant PBX built over the Asterisk Open S ...
A SIP based implementation of a PBX / unified communications system.
Zent.io is a Contact Center Cloud Software Multichannel that unify chat, phone and e-mail. All the communication channels will ...
XiVO is a scalable platform based on Asterisk that offers a free and complete PBX solution. It is licensed under the GPLv3. A ...