GitLab

Handle fallback to basic chat room when a client group chat room is created inviting a single participant that does not support it.

add linphone_core_cbs_set_message_received_unable_decrypt linphone_core_cbs_get_message_received_unable_decrypt

Separate client chat room instantiation and creation on the server when adding the first participants.

Add LinphoneCall callback to be notified about ACKs, in order to be able to add custom headers in sent ACKs and read custom headers in received ACKs.

As floating objects are automatically freed by the garbage collector
of bellesip, there is not need to unref PayloadType objects that have
been allocated on the fly by getters in LinphoneCore and LinphoneCallParams.

Then, the lines saying that the gotten LinphonePayloadType objects must be
freed after usage have been removed and there is no more reference to
the floating ref mechanisme as it is totally transparent for API users.