what will happen if Conference Bridge (CFB) is not registered with Call Manger?

[Oak Ridge]

I have a MRG consists of two CFB, it is found one is registered with CCM, the other is not.  some users complain that the ad-hoc conference soft button is not working. So is that due  one of the CFB is not registered? (I know all same type of resource within a MRG will be round-robin balanced).

will happen Call Manager allocate an unregistered CFB?

[Terry Cheema]

It will not allocate the unregistered one. Media Resource Manager will look for the available resources registered with CUCM according to the configuration and allocate the one thats available.

-Terry

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[Nirmal Issac]

You can use RTMT tool for reports on resource allocation, and verify if the registered CFB is totally used when the issue happens. You should fix the issue with the unregistered CFB.