Liblinphone  5.2.0
Liblinphone Documentation
See also

What is liblinphone

Liblinphone is a high-level open source library that integrates all the SIP voice/video and instant messaging features into a single easy-to-use API. This is the VoIP SDK engine on which Linphone applications are based.

Liblinphone combines our media processing and streaming toolkit (Mediastreamer2) with our user-agent library for SIP signaling (belle-sip). Liblinphone has support for a variety of languages, each one has its own reference documentation:

Liblinphone is distributed under GPLv3 ( Please understand the licencing details before using it!

For any use of this library beyond the rights granted to you by the GPLv3 license, please contact Belledonne Communications (

Tutorials are available on our gitlab repository (