clarification needed

Hi All, I need clarifications on following :

1. In H.245 conferencing, whenever an MCU receives dropTerminalRequest from a chair token owner, MCU responds with terminalLeftConference Indication(as per H.243). But as per the H.245 recommendation, every request shall have a corresponding response. This creates a sort of ambiguity. Is it a valid response to the dropTerminalRequest?

2. According to H.243 an MCU sends CCR( same as withdrawChairToken Indication/makeMeChairResponse in H.245) in response to cancelMakeMeChair request.Which one of these is a valid response?

regards vikram

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