The Vodia PBX is a software based IP-PBX phone system which provides advanced features like: Multi-tenancy, SRTP, ZRTP, Auto Attendant, UC, ACD and a WebRTC portal. MSP's, ITSP's and IT professionals can use the Vodia multi-tenant platform to provide telephone services at a very low cost.
Telephone is a VoIP program which allows you to make phone calls over the internet. It can be used to call regular phones via ...
Spreed is the worldwide unified web conferencing service offering integrated web and telephone conferencing. It is based on Fl ...
FreePBX is a web-based open source GUI (graphical user interface) that controls and manages Asterisk (PBX), an open source com ...
Softphone for VoIP, CAPI und TAPI. This application enables voice connections to landline, cellular network and VoIP. Phoner 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 ...
Paltalk is an instant messaging service that enables users to communicate via internet chat, voice and video chat. It offers c ...
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 ...
YateClient is an Instant Messenger and a SoftPhone.
Yate is a softswitch (concept of separating the network hardware from network software). It supports VoIP protocols: H.323, ...
XiVO is a scalable platform based on Asterisk that offers a free and complete PBX solution. It is licensed under the GPLv3. A ...
MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack. It allowing to do high quality VoIP calls (P2P or ...