3.2.5.3.15 Sending Control PDU - Cooperate

The structure and fields of the Control (Cooperate) PDU are specified in section 2.2.1.15, and the techniques specified in section 3.2.5.1 demonstrate how to initialize the contents of the PDU. The grantId and controlId fields SHOULD be set to zero. The contents of this PDU MUST NOT be compressed.

After sending the Control (Cooperate) PDU, the client MUST send the Control (Request Control) PDU (section 3.2.5.3.16) to the server.