* Initial commit for VoIP v1 implementation
* Added draft of event handlers for voip methods
* Added event handlers for VoIP events, added rejectCall, added version tracking for call version for V0 and V1 compatibility
* Added call events to the general message pipeline. Modified Call Reject mechanism
* Added message delegates for new events. Modified hidden events. Updated handle events.
* Updated implementation to keep track of calls on other devices
* Fixed linting
* Fixed code warnings
* Fixed minor bugs
* fixed ci
* Added acceptNegotiation method definition when missing gstreamer
* Fixed warnings
* Fixed linting
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