Comment on Video calls for Signal now in public betaparentComments−Arnt9yhttps://github.com/WhisperSystems/libsignal-protocol-java or one of the other things at https://github.com/WhisperSystems would seem to be what you need.
Comments
https://github.com/WhisperSystems/libsignal-protocol-java or one of the other things at https://github.com/WhisperSystems would seem to be what you need.