[cisco-voip] Music On Hold Problem
Timothy Smith
timotsmith at gmail.com
Mon Dec 8 12:46:43 EST 2008
Thanks Chris for you guidance.
Am now all excited having fought with this issue for the whole weekend
including the public holiday.
It has now worked, I appreciate.
Kind regards,
TS
On Mon, Dec 8, 2008 at 8:42 PM, Chris Ward <chrward at cisco.com> wrote:
> I should add:
>
> When doing the troubleshooting, start on the router closest to CUCM first
> and work towards the GW.
>
> Chris Ward
>
>> From: Chris Ward <chrward at cisco.com>
>> Date: Mon, 08 Dec 2008 12:37:28 -0500
>> To: Timothy Smith <timotsmith at gmail.com>
>> Cc: <cisco-voip at puck.nether.net>
>> Subject: Re: [cisco-voip] Music On Hold Problem
>>
>> Hi Wilson,
>>
>> I see you have both dial-peers and some MGCP commands on the GW. Is this
>> H323 or MGCP?
>>
>> I have seen some talk in the thread about the IP PIM commands already but
>> let me just run through the steps we normally use to fix 90% of these
>> issues:
>>
>> 1) Ensure the hop count in CCM for the MOH server is enough to cross all the
>> L3 barriers between the CUCM and this GW.
>>
>> 2) Ensure you have "ip multicast routing" enabled on all the routers this
>> MMOH stream is going to cross
>>
>> 3) Ensure you have "ip pim sparse-dense-mode" on the ingress and egress
>> interfaces this stream is going to cross going through the L3 hops.
>>
>> For troubleshooting, call in from the PSTN and have the IP phone place the
>> call on hold. Then, use the "show ip mroute" command to see the if the
>> multicast stream is being properly routed. The output will include the
>> source and destination IP of the multicast stream, so ensure you are looking
>> at the entry with your CUCM's IP and the proper multicast dest address. Some
>> entries will not have any source IP info, these are not your MMOH stream.
>> The command also shows the interfaces that the stream is being received and
>> sent out on so if you see an ingress interface and no egress, that router is
>> most likely the issue.
>>
>> HTH
>>
>> Chris Ward
>>
>>> From: Timothy Smith <timotsmith at gmail.com>
>>> Date: Mon, 8 Dec 2008 20:18:26 +0300
>>> To: Chris Ward <chrward at cisco.com>
>>> Cc: <cisco-voip at puck.nether.net>
>>> Subject: Re: [cisco-voip] Music On Hold Problem
>>>
>>> Hi Chris,
>>>
>>> Thanks for your reply. This is not a dupe.
>>>
>>> The previous emails have helped me overcome the tone on hold only for
>>> some internal calls (calls within the call manager to local
>>> extensions). My main problem now is PSTN Calls. they hear total
>>> silence! Attached is my current config.
>>>
>>> Please advise.
>>>
>>> Thanks,
>>> Wilson
>>>
>>> On Mon, Dec 8, 2008 at 8:10 PM, Chris Ward <chrward at cisco.com> wrote:
>>>> Hi Timothy,
>>>>
>>>> Troubleshooting MOH can get a little involved, but your description provides
>>>> a good clue. When you say you are receiving Tone on Hold rather than MOH,
>>>> that means that CUCM is failing to even allocate a MOH resource. This could
>>>> be a MRGL or a region/codec mismatch.
>>>>
>>>> If you were receiving silence, that would mean the MOH server was allocated,
>>>> but the stream is either blank or not reaching the destination.
>>>>
>>>> Also, when allocating an MOH stream, there are two big pieces, the source
>>>> file and the MOH server. Here is how they are chosen. The device initiating
>>>> the hold selects the Audio Source ID and the device that is being held uses
>>>> its MRGL to find an MOH server to use for the selected Audio Source ID.
>>>>
>>>> I saw a lot of other emails on this subject so I apologize if this is a
>>>> dupe.
>>>>
>>>> Chris Ward
>>>>
>>>>> From: Timothy Smith <timotsmith at gmail.com>
>>>>> Date: Sat, 6 Dec 2008 20:32:16 +0300
>>>>> To: <cisco-voip at puck.nether.net>
>>>>> Subject: [cisco-voip] Music On Hold Problem
>>>>>
>>>>> Hi,
>>>>>
>>>>> I have a IPT setup comprising of a cisco call manager 5.1 and using a
>>>>> cisco 2821 router as an h323 gateway to the PSTN over an E1 line.
>>>>> Everything works well save for Music on hold! I have Tone on hold
>>>>> instead both internal and external calls. Could someone please point
>>>>> me any directions or some tutorial/guides that can help me overcome
>>>>> this problem?
>>>>>
>>>>> I have tried whatever I can but no success. Attached are some of the
>>>>> screen shots on what I think is important for MOH to work.
>>>>>
>>>>> Thanks!
>>>>> TS
>>>>> _______________________________________________
>>>>> cisco-voip mailing list
>>>>> cisco-voip at puck.nether.net
>>>>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>>>
>>>>
>>
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