Conference scheduler refactoring: add a derived class SIPConferenceScheduler to handle the scheduled conferences with SIP through a MediaSession object. Other protocols based on CCMP and HTTP can be derived in the same way in the future.
Conference scheduler refactoring: add a derived class SIPConferenceScheduler to handle the scheduled conferences with SIP through a MediaSession object. Other protocols based on CCMP and HTTP can be derived in the same way in the future.