Free sip pbx downloads, showing 1 - 7 of about 7

VaxTele SIP Server SDK allows software vendors and service providers to develop their own SIP based VoIP Server, IP-PBX, SIP PBX, SIP gateway and IP-Telephony services.

Billion PBX - new generation phone system working in IP-networks using SIP protocol. Billion PBX provides not only voice calls but also a whole range of additional features like call forwarding, voicemail, callback and many others.

Uplink connects SIP protocol VoIP calls to the proprietary Skype phone network. It works in both directions.

Axon is a virtual IP PBx for Windows PCs featuring a one click installation setup and a web management console that makes configuring your new PBx easy. Axon offers all the normal features of a traditional PBX. Set it up in your office or home.

Axon is a virtual IP PBx for Windows PCs featuring a one click installation setup and a web management console that makes configuring your new PBx easy. Axon offers all the normal features of a traditional PBX. Set it up in your office or home.

3CX VOIP Phone System FREE edition is a SIP-based IP PBX developed for Windows. Easy to install and configure, it eliminates phone wiring and allows hot desking. Lowers call costs via VoIP providers & eliminates vendor lockin. Download FREE edition!

Axon is a virtual IP PBx for Windows PCs featuring a one click installation setup and a web management console that makes configuring your new PBx easy. Axon offers all the normal features of a traditional PBX. Set it up in your office or home.

Develop secure, AI-powered VoIP solutions using VaxVoIP SIP Server SDK. Build IP-PBX systems, auto dialers, IVRs, multilingual voice agents, and VoIP call centers with real-time PCM access for AI integration.

Carousel is software to connect VoIP calls to ordinary telephone lines and vice versa using one of a number of professional telephony devices. It works as a virtual FXO gateway.

Free VOIP / SIP phone (softphone) for Windows. Use your PC as a phone. Works with popular VOIP providers and SIP PBX's (including 3CX Phone System). Easy to use & light weight. Full version, not a lite version! Free download from http://www.3cx.com