[cisco-voip] MOH from Router Flash between internal callers

[Karen Cheng]

Hi Steve,

We have multicast MoH running from a local branch router.

How have you got it setup?

We basically have a local file flash. A multicast address set to the same as
the CM but limited the CM to a certain amount of hops to stop it from going
across the WAN. We then add the phones to the MRG  that contains the MoH
server fooling the phone in thinking it is talking back to the CM when in
fact it is talking to the router instead.

Is that what you are after?

Karen

On Wed, Dec 9, 2009 at 7:22 AM, <steve.siltman at assurant.com> wrote:

>
> Has anyone been able to get this too work?  I turned on Multicast within
> the internal network at this remote site and I'm unable to get the phones to
> hear the MOH between two internal Cisco IP Phones.  Years ago, I read that
> this wasn't possible but was hoping this was resolved in later versions.  We
> are running v7 Call Manager with 12.4.24 router code.  MOH works fine to
> external customers.  It seems fairly straight forward as the one Cisco IP
> phone issues the Hold and sends the multicast ip address to the other phone.
>  I'm not sure why the other phone doesn't pick up on the stream.  Grr
>
> If this isn't supported then I'll have to allow MOH across the WAN and
> forget about using the routers flash outside of SRST.
>
> I've got a ticket open with Cisco and they verified the configuration and
> have asked for trace files.  Either this TAC person doesn't know it isn't
> supported or something has changed since my Cisco Voice Gateways book was
> printed in 2006.
>
> Thanks,
>
> -Steve
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