Table 5. RTP Header Fields and Classifications

RTP Field  b>Size (bits) Class

Version               2          Static-Known

Padding               1          Static

Extension             1          Static

CSRC Counter          4          Changing

Marker                1          Changing

Payload Type          7          Changing

Sequence Number      16          Changing

Time-Stamp           32          Changing

SSRC                 32          Static-Def

CSRC              0-480          Changing