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DMA Operations Guide MCU Pool Orders
142 Polycom, Inc.
The Polycom DMA system chooses an MCU for a user’s conference by
applying the following rules in order:
1 Select the MCU pool order:
a Use the pool order directly assigned to the user’s conference room.
b If none, use the highest priority pool order associated with any group
to which the user belongs.
c If none, use the system default.
2 Select the first MCU pool in the MCU pool order.
3 Select the best MCU in the MCU pool, based on how well their
capabilities fulfill the user’s needs in the following respects:
— MCU has RMX profile required by user’s conference template.
— MCU has IVR service required by user’s conference template.
— MCU has recording capability required by user’s conference template.
If there are multiple MCUs that are equally capable, select the least used.
4 If no MCUs in the selected MCU pool have capacity, select the next MCU
pool in the pool order and return to step 3.
5 If no MCUs are available in any of the MCU pools in the pool order:
— If fallback is enabled, select the best MCU available to the Polycom
DMA system, based on the system’s capability algorithm.
— If fallback is not enabled, reject the call.
The following table describes the fields in the list.
Note
If you have a Polycom RealPresence Resource Manager system that uses the
DMA system API to schedule conferences on the DMA system’s conferencing
resources (MCU pools), you must create MCU pools and pool orders specifically for
the use of the RealPresence Resource Manager system. The pool orders should be
named in such a way that:
• They appear at the top of the pool order list presented in the RealPresence
Resource Manager system.
• Users of that system will understand that they should choose one of those pool
orders.
If the RealPresence Resource Manager system is also going to be used to directly
schedule conferences on MCUs, those MCUs should not be part of the
conferencing resources (MCU pools) available to the DMA system.
Note
MCU pools and pool orders are not used to select an ISDN gateway for simplified
gateway dialing. See “ISDN Gateway Selection Process” on page 133.