Sometimes Not Allowed to Reject RequestMode (Q44)

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Actually, one cannot simply reject all RequestMode messages. One must comply if in receipt of a multipointModeCommand. 7.12.5/H.245v2: "multipointModeCommand commands that a terminal in receipt shall comply with all requestMode requests issued by the MCU. … cancelMultipointModeCommand cancels a previously sent multipointModeCommand command." Also see 10.1/H.324v2.