[cisco-voip] Strange intermittent MoH problem

Erick Bergquist erickbee at gmail.com
Tue Apr 1 16:26:34 EDT 2008


The mcast config is normal, nothing special being done outside the
norm. IP phones hear this as well as outside callers on a H323 gateway
when on hold sometimes.

On Tue, Apr 1, 2008 at 3:13 PM, Tim Reimers <treimers at ashevillenc.gov> wrote:
> Something in the multicast configuration of the involved layer 2
>  devices?
>
>
>
>  -----Original Message-----
>  From: cisco-voip-bounces at puck.nether.net
>  [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Erick Bergquist
>  Sent: Tuesday, April 01, 2008 4:06 PM
>  To: Ryan Ratliff
>  Cc: cisco-voip at puck-nether.net
>  Subject: Re: [cisco-voip] Strange intermittent MoH problem
>
>  Both the music and the MP call, but it is clear and not cutting and out
>  every second or so.
>  When I've caught it happening, it seems to be calls where MoH is playing
>  due to a Network Hold event (parked call, etc). I can't get it to happen
>  with a user hold.
>
>  On Tue, Apr 1, 2008 at 2:32 PM, Ryan Ratliff <rratliff at cisco.com> wrote:
>  > IP phones or PSTN calls?   Sounds like either crosstalk or a random
>  >  two devices using the same receive port for RTP and the stream from
>  > MP reaching the phone somehow.
>  >  Do they hear just the MP audio or both MOH and MP audio alternating
>  >  every second or so?   The former is crosstalk, the latter is both RTP
>  >  streams reaching the phone on the port the phone is listening on.
>  >
>  >  -Ryan
>  >
>  >
>  >
>  >  On Apr 1, 2008, at 3:07 PM, Erick Bergquist wrote:
>  >  Anyone ever see people on hold with Multicast MoH (Network Hold it
>  > appears to happen with) hear a meetingplace audio conference call
>  > while they are on hold? The CCM and MP are seperate servers with
>  > different conference bridges so I'm puzzled how the person on hold
>  > hears the MP conferences sometimes. It doesn't happen all the time. Is
>
>  > real intermittent.
>  >  The Call Manager is version 4.1(3)sr4d and MeetingPlace Enterprise
>  5.4.
>  >
>  >  Erick
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>  >
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