Telephone is a VoIP program which allows you to make phone calls over the internet. It can be used to call regular phones via ...

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 ...

Zoiper IAX & SIP multilanguage and multiplatform (Windows, Linux and Mac OS X) softphone is a VoIP soft client, meant to w ...

YateClient is an Instant Messenger and a SoftPhone.

The Vodia PBX is a software based IP-PBX phone system which provides advanced features like: Multi-tenancy, SRTP, ZRTP, Auto A ...

Linphone is an internet phone or Voice Over IP phone (VoIP). With Linphone you can communicate freely with people over the int ...

MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack. It allowing to do high quality VoIP calls (P2P or ...