SDP-Timestamps AVP The SDP-TimeStamps AVP (AVP code 1273) is of type Grouped and holds the time of the SDP offer and the SDP answer. AVP Number Reference Start Interim Stop Event [ SDP-Offer-Timestamp ] 1274 N/A Y N/A N/A Y [ SDP-Answer-Timestamp ] 1275 N/A Y N/A N/A Y
