[cisco-voip] CCM6 MOH

[Jonathan Charles]

Make sure all the layer-3 interfaces in your network have ip pim
sparse-dense mode on them...



Jonathan

On Jan 18, 2008 12:50 PM, Melvin Fong <mfong at pacific.edu> wrote:
>
>
>
>
> Our trouble is ending up a multicast issue, we disabled multicast and
> everything seems to be working properly.
>
> We're now going to investigate the multi cast issue
>
>
>
>  ________________________________
>
>
> From: Wes Sisk [mailto:wsisk at cisco.com]
>  Sent: Thursday, January 17, 2008 12:05 PM
>  To: Melvin Fong
>  Cc: Jonathan Charles; Ryan Ratliff; cisco-voip at puck.nether.net
>
>
>  Subject: Re: [cisco-voip] CCM6 MOH
>
>
>
>
>
> I see several possible issues related to placing SIP endpoints on hold and
> then IPVMSAPP stopping streaming, but nothing obviously systemic.  Looks
> like IPVMSApp traces and a TAC case are next step.
>
>  /Wes
>
>  Melvin Fong wrote: That is exactly what I see also....nothing
>
> -----Original Message-----
> From: Jonathan Charles [mailto:jonvoip at gmail.com]
> Sent: Thursday, January 17, 2008 10:15 AM
> To: Ryan Ratliff
> Cc: Melvin Fong; cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] CCM6 MOH
>
> OK, when I am on hold, I am getting packets... they are just blank,
> apparently...
>
>
> Jonathan
>
> On Jan 17, 2008 11:58 AM, Ryan Ratliff <rratliff at cisco.com> wrote:
>
>
> Well the first part of troubleshooting one-way or no-way audio is to
> establish if you are even receiving audio packets.  You could be
>
>  receiving
>
>
> packets and thus not have a routing issue only there is nothing but
>
>  silence
>
>
> in the audio packets you are receiving.  It's an important
>
>  differentiation
>
>
> but I'd guess either way your IPVMSA is doing something funky.
>
>
> -Ryan
>
> -----Original Message-----
> From: Jonathan Charles [mailto:jonvoip at gmail.com]
> Sent: Thursday, January 17, 2008 12:49 PM
> To: Ryan Ratliff
> Cc: Melvin Fong; cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] CCM6 MOH
>
> One way audio I would troubleshoot as a routing issue... However, MOH
>
>  does,
>
>
> in fact, work for a few seconds... and if you get put on hold in that
> window, you hear music indefinitely.
>
> However, if you are put on hold after that 5 seconds, you hear
>
>  nothing.... I
>
>
> have even tried this with the same call... reset IPVMSA, get MOH,
>
>  after a
>
>
> minute, resume and place on hold again, and they get dead air...
>
> This is really strange, and the IPVMSA service is still running.
>
>
>
> Jonathan
>
> On Jan 17, 2008 11:38 AM, Ryan Ratliff <rratliff at cisco.com> wrote:
>
>
> Troubleshoot this like any one-way audio issue.  When you hear the
> dead air, press the ? Button twice on the phone.  Are you receiving
>
>  any
>
>
> packets?  Are
>
>
> you losing packets or discarding packets?   If you are getting
>
>  packets
>
>
> then
>
>
> IPVMSA is probably at fault.  Get a sniffer capture at the phone +
> detailed IPVMSA and CCM traces from the appropriate servers and open
>
>  a TAC
>
>
> SR.
>
>
> If you aren't getting packets then you need to find out why.  This
>
>  may
>
>
>
> involve sniffing at the CM server to see if it is still sending
>
>  packets.
>
>
>
> Look at RTMT perfmon stats to see if the MOH resource is getting
> released for some reason.
>
>
> -Ryan
> -----Original Message-----
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Melvin Fong
> Sent: Thursday, January 17, 2008 12:35 PM
> To: cisco-voip at puck.nether.net
>
> Subject: Re: [cisco-voip] CCM6 MOH
>
> We are having the similar issue, using 6.01a, it changes and will
>
>  work
>
>
>
> one time, then when you change the MOH source it won't work on the
> gateway but work between extensions and vis versa.
>
> -----Original Message-----
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Jonathan
> Charles
> Sent: Thursday, January 17, 2008 9:05 AM
> To: cisco-voip at puck-nether.net
> Subject: [cisco-voip] CCM6 MOH
>
> So, I just deployed a CCM 6.01a cluster and MOH does not work...
>
>  well
>
>
>
> it sort of does...
>
> If you put people on hold, you get dead air... if you reset the IP
> Voice Media Streaming App, and put someone on hold within 5 seconds,
> they get MOH, resume the call after 5 seconds (or put someone on
>
>  hold
>
>
>
> more than 5 seconds after you have reset it), and they get dead air
>
>  again..
>
>
> Any ideas? Bug?
>
>
>
> Jonathan
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