2.2.3 Multiplexed TURN

Multiplexed TURN messages are used to multiplex data streams from different clients over the same UDP or TCP port on a TURN server.<24>

0	1	2	3	4	5	6	7	8	9	1 0	1	2	3	4	5	6	7	8	9	2 0	1	2	3	4	5	6	7	8	9	3 0	1
Channel_ID																Length
MTURN_Session_ID
...
Data (variable)
...
...

Channel_ID (2 bytes): "0xFF10" for Multiplexed TURN packets.

Length (2 bytes): Number of bytes in the frame immediately following the Length field.

MTURN_Session_ID (8 bytes): Unique identifier for the given stream on the given TURN server.

Data (variable): Underlying data wrapped in this packet.