188.8.131.52.1.7 Processing a Close PDU
The structure and fields of the Close PDU are specified in section 184.108.40.206. The Close PDU is sent when the server intends to stop rendering audio (for example, just before a disconnect).
Upon receiving the Close PDU, the client MUST NOT render any audio received after the Close PDU. The client finishes any audio that arrived before this PDU and that remains to be rendered. This PDU signals the end of audio transfer. As a result, the server side MUST NOT send any PDUs except a Training PDU and a Server Audio Formats and Version PDU (which will restart the entire audio output redirection protocol).
This packet MUST be received over virtual channels.