[cisco-voip] Unicast MOH and MRG Round Robin

Anthony Holloway avholloway+cisco-voip at gmail.com
Fri Nov 1 14:44:21 EDT 2013


All,

I have read and re-read the sections on MOH  and MRG[L]'s and I still
cannot seem to figure this one out.

I have an MRG with four MOH servers. The phones are using the sampleaudio
MOH. Only one MOH server in my MRG has streams active. It's currently at
140 streams according to RTMT. The remaining three show 0 active streams.

Traces show the one MOH server being selected all the time, as the first
resource in the group, to be sent an allocation request, and it responds;
therefore, it gets used. The remaining MOH servers go unused.

I have proven that each of the three idle MOH servers do work, by removing
all but one MOH server from the MRG, and sequentially testing each one.

I'm starting to doubt my understanding of MRG resource selection as it
pertains to MOH. I'm looking for confirmation or clarification on how this
works.

CUCM version is 8.6(2a). Thanks for looking.
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