RTP includes a retransmission mechanism within a sub-part called the RTP Control Protocol (RTCP), but in many video applications, retransmission is not an option.

RTP Control Protocol Extended Reports defines a set of metrics that contain information for assessing VoIP call quality and diagnosing problems Voice over IP can ...

The IETF addressed VoIP management with RTP Control Protocol Extended Reports (RTCP XR), a protocol that can be implemented inexpensively via software in IP phones and gateways.

Also note that RTCP (RTP Control Protocol) is recommended for use in AES67 but only needs to be “tolerated” in ST 2110-30 devices. There are some differences with respect to how PTP (Precision Time ...