[cisco-voip] MoH question

[Wes Sisk]

resource selection is covered in the CM SDI traces.

for mrg/mrgl any device that is not in a specific MRG is available to 
all users on the system.  similar to the 'none' partition for digit 
analysis.  Some recent testing by a colleague here:

Testing with
Pub MOH Server Multicast enabled
Source 1 Multicast enabled
Source 2 Unicast enabled


Test1

MRG multicast enabled
MRGL with one MRG

Multicast works, Unicast results in Tone on HOld
Appears to be trying to allocate multicast for source 2, which fails.

Test2
MRG 1 multicast enabled
MRG 2 no multicast, containing Sub MOH server without multicast enabled

MRGL containing MRG1, then MRG2

Both multicast and unicast work.

Test3
MRG1 multicast enabled, containing both multicast MOH server and unicast 
MOH server
MRGL containing MRG1

Multicast works, Unicast results in Tone on Hold

Test4
MRG1 multicast enabled, containing multicast MOH server
MRG2 no multicast, containing same multicast enabled MOH server

Both multicast and unicast work.


There is an aspect of source selection to this as well, take a look at 
CSCsq18547

/Wes



Ed Leatherman wrote:
> Hello,
>
> Call manager 5.1... If I have a media resource group that just 
> contains a Multicast enabled Music on Hold server, but do not have 
> Multicast enabled on the MRG, will call manager use that server for 
> unicast MoH, or would that cause it to fall back to the next MoH it 
> can find in the MRGL or ultimately to the default list?
>
> I only have 1 MoH server in my MRG(L)'s, but for some reason in 
> falling back on my MoH server thats not associated with a MRG. So i'm 
> trying to figure out why its not picking the one it should. Trace file 
> from the IP Streaming media service doesn't seem to say much about 
> resource selection.
>
> Thanks!
>
> -- 
> Ed Leatherman
> Senior Voice Engineer
> West Virginia University
> Telecommunications and Network Operations
> ------------------------------------------------------------------------
>
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