For call UI you need to do following setup, so the call feature can work properly
CallPermissionManager is the starting point for launching audio and video calls in your application. By implementing the code below, you will initiate audio and video calls.
|JID_LIST||arraylistof(String)||JID list of the callee's|
|CallType (CallType.AUDIO_CALL or CallType.VIDEO_CALL)||String||Whether its Audio call or Video Call|