VoIP stands for Voice over Internet Protocol. This is the technology that internet telephony makes possible. The most popular VoIP program is Skype. Linphone is an open source alternative, which you also set up your own SIP provider.
Linphone is an open source VoIP service for all the major operating systems on desktop, mobile and tablet. Is not possible to make normal phone calls but also video calls, conference calls and sending text messages are among the possibilities. Both the software itself as sending messages and making phone calls is free.
Unlike many other free VoIP software ( Skype being the most famous), this program works together with any provider which the SIP protocol is used. You can also use the free SIP service that Linphone offers.
Linphone has the following characteristics:
Linphone screenshots
You can free download Linphone 32, 64 bit and safe install the latest trial or new full version for Windows 10 from the official site.