3.3.5.21 Sending a Deactivate Device Request
The structure and fields of the Deactivate Device Request message are specified in section 2.2.3.4.
The server sends this message at the end of the Device Initialization (section 1.3.4), Video Capture (section 1.3.5), Device Control Initialization (section 1.3.6), and Device Control (section 1.3.7) sequences. For each successful Activate Device Request (section 2.2.3.3) message the server MUST send one Deactivate Device Request message.