Best VoIP Software for Windows Vista

All-in-one voice and text chat for gamers that's free, secure, and works on both your desktop and phone. Discord is always completely free to use with no gotchas. This means you can make as many servers as you want with no slot limitations. Encrypted...

Jitsi (64-Bit) is an audio or video and chat communicator that supports protocols such as SIP, XMPP/Jabber, AIM/ICQ, Windows Live, and Yahoo. Jitsi (64-Bit)can encrypt your calls using the innovative ZRTP. Show you're desktop to anyone with a...

Free VOIP / SIP phone (softphone) for Windows. Works with popular VOIP providers and SIP PBX's (including 3CX Phone System, Asterisk and many more). The interface is easy to use and similar to that of popular Smartphones. 3CXPhone is compact and easy to...

Combining voice and video calls in a user-friendly interface, CounterPath's X-Lite helps you seamlessly transition from a traditional phone environment into the world of Voice over IP. With X-Lite, try out some of the most popular features of our...

3CX VOIP Phone System is an Office Phone System/IP PBX that completely replaces a proprietary PABX, supports standard SIP soft/hard phones from any vendor, VOIP service providers & traditional PSTN phone lines. Developed for Windows, it is easy to...

This Program is made for connecting to Team Speak server easer, it has a way to connect to servers, by ip, and port, it can take usernames and passwords, and it can open TS and close its self all with 1 click, or it can open TS and keep the window open...

MicroSIP is a open source portable SIP softphone based on PJSIP stack for Windows OS. It allows doing high quality VoIP calls (person-to-person or on regular telephones) via open SIP protocol. From cloud of SIP providers you can choose best for you,...

A Free Communication program for...

VentaFax is a fax software and answering machine software with boasting features and reliability on lay in high-end products, but cheaper and less greedy to the system resources.It sends and receives faxes, and converts your PC with a fax-modem into a...

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. Implement a scalable PBX solution with an existing PC which connects to phone lines and extensions...