[cisco-voip] DTMF Issue with one external number

[george.hendrix at l-3com.com]

I have MTP required checked in CUCM.  And the gateway has MTP resources available in its MRGL.  Not really using any transcoding either as G711 is being used throughout.

-Bill


From: Buchanan, James [mailto:jbuchanan at presidio.com]
Sent: Tuesday, October 16, 2012 2:15 PM
To: Hendrix, George (Bill) @ NSS - STRATIS; cisco-voip at puck.nether.net
Subject: RE: DTMF Issue with one external number

I have had this issue dialing into specific conference bridges. The only solution available at the time (it was 7.1 three years ago with CUBE 1.4) was to require an MTP.


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From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of george.hendrix at l-3com.com
Sent: Tuesday, October 16, 2012 2:26 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] DTMF Issue with one external number

Hey guys,

  We have an odd issue going on with DTMF.  Below is the path to the PSTN.

CUCM <-> h.323 Gateway <-> SIP Provider.

The problem is that when we dial into this one external number and press 1 to select option 1, it doesn’t seem to accept the digit.  If we dial into that same number from anywhere else, it works fine.  Having said that, I can dial into other numbers from the system and have no issue at all with dtmf.  Any ideas of what this issue is?

Thanks,
Bill


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