[cisco-voip] UC500 sip to CM7.0 DTMF problem

[Mike O]

FYI..I changed the gateway from MGCP to H323 and it worked like a charm.
----- Original Message ----- 
From: "Mike O" <mikeeo at msn.com>
To: "Nick Matthews" <matthnick at gmail.com>
Cc: <cisco-voip at puck.nether.net>
Sent: Monday, October 05, 2009 9:40 PM
Subject: Re: [cisco-voip] UC500 sip to CM7.0 DTMF problem


> I'am able to use DTMF tones for Unity from phones registered from the 
> UC500, but if I go out the PSTN I lose DTMF. I think MGCP uses out of band 
> DTMF correct and dtmf-relay rtp-nte uses inband I believe.
> ----- Original Message ----- 
> From: "Nick Matthews" <matthnick at gmail.com>
> To: "Mike O" <mikeeo at msn.com>
> Cc: <cisco-voip at puck.nether.net>
> Sent: Sunday, October 04, 2009 10:36 PM
> Subject: Re: [cisco-voip] UC500 sip to CM7.0 DTMF problem
>
>
>> Probably a dial peer problem on the UC520.  (By the way, UC520 isn't
>> supported with CUCM.  Probably works, but it's not something TAC will
>> look at.)
>>
>> MGCP DTMF is fairly robust, so it's not my first suspicion.
>>
>>
>> -nick
>>
>> On Sat, Oct 3, 2009 at 9:32 PM, Mike O <mikeeo at msn.com> wrote:
>>> I'm having a problem with outbound DTMF. Internal calls DTMF work fine, 
>>> but
>>> PSTN calls don't work.
>>>
>>> The call flow is:
>>>
>>> UC500>CM7>MCGP(2811)>PRI-PSTN
>>>
>>> I think MGCP is dropping the DTMF tones.
>>>
>>> Any ideas?
>>> _______________________________________________
>>> cisco-voip mailing list
>>> cisco-voip at puck.nether.net
>>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>>
>>>
>>
>
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