QuestionQ3

SMC Products and Features

The SMC schedules and starts an H.323-only multipoint conference with four participants. After it receives the participant list, the MCU sends an ARQ message to the SC.

How many ACF messages will the SC send back in response to the ARQ message?

  • A 8
  • B 12
  • C 4
  • D 2
Explanation

For each H.323 participant call, the SC acting as the gatekeeper provides admission confirmation for the MCU’s outgoing call and for the called endpoint’s incoming-call admission. A four-participant multipoint conference therefore requires two ACF messages per participant, for a total of eight.

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