3.2.3 Initialization
RTPME has the following RTCP-related initialization requirements, in addition to those specified in [RFC3550] and [RFC3551].
RTCPSendingRate: Initialized to "normal" when the protocol starts.
FastRTCPPacketPairCount: Initialized to zero when the protocol starts.
ReceivingRTCPPacketPairs: Initialized to "false" when the protocol starts.
Encryption initialization is the same as specified in section 3.1.3.