SRTP，即安全实时传输协议(Secure Real-time Transport Protocol)，
SRTP/RTCP provides end-to-end transmission, timing reconstruction, frame loss detection, data security, congestion control, and other services for real-time data over multicast or unicast network.
SRTP，即安全实时传输协议(Secure Real-time Transport Protocol)，
SRTP/RTCP provides end-to-end transmission, timing reconstruction, frame loss detection, data security, congestion control, and other services for real-time data over multicast or unicast network.
