The DrayTek Softphone is a SIP phone in software which runs on any Windows PC. It provides full VoIP connectvity directly to the DrayTEL SIP service or can act as an extension to a DrayTek PBX. The softphone uses your PC's speaker/microphone, or for the best experience and more privacy, you can use a headset.
Telephone is a VoIP program which allows you to make phone calls over the internet. It can be used to call regular phones via ...
Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports prot ...
Softphone for VoIP, CAPI und TAPI. This application enables voice connections to landline, cellular network and VoIP. Phoner c ...
FreeSWITCH is a scalable open source cross-platform telephony platform designed to route and interconnect popular communicatio ...
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 ...
Lightweight portable SIP softphone with BLF and customizable keypad built with libre/librem/baresip BSD-licensed stack.
YateClient is an Instant Messenger and a SoftPhone.
VoipSwitch is a SoftSwitch System with routing and billing, with SIP protocol support (in older versions also H323). Basic pac ...
Acrobits Softphone, an app for entry into the world of SIP.
Yate is a softswitch (concept of separating the network hardware from network software). It supports VoIP protocols: H.323, ...
VoipStunt is a free program that uses the latest technology to bring free and high-quality voice communications to people all ...
Linphone is an internet phone or Voice Over IP phone (VoIP). With Linphone you can communicate freely with people over the int ...
A SIP based implementation of a PBX / unified communications system.
MicroSIP is a free portable SIP softphone for Windows based on PJSIP stack. It allowing to do high quality VoIP calls (P2P or ...