CME FXO to Centrex long distance code problem

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Oct 5th, 2008
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I have a UC520/CME connected to a Centrex switch. With the previous PBX and with a but-set if you dial a long distance number, 9-1-234-564-7890, the Centrex swtich sends back a "tone" that indicates the user needs to then enter an access code. User enters the access code and the call is completed.

Problem: With the UC520 connected, the user is not hearing the "tone" and is not able to enter the access code, therefore long distance calls fail.

Any ideas?


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Marwan ALshawi Sun, 10/05/2008 - 15:17
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lets say ur fxo port 0/0/1

u need to have somthing like:

dial-peer voice 9 pots

destination-pattren 91..........

dtmf-relay h245-alphanumeric

port 0/0/1

forward-digits all

or forward-digits [number of digits u wanna send out of ur fxo]

good luck

if helpful Rate

m-ketchum Mon, 10/06/2008 - 07:39
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The dial-peers were matching as the calls would get the PBX, but just wouldn't complete a long distance call due to no access.

Strangely enough the problem seems to have resolved itself.

Thanks for the reply.


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