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PSTN dialing with #

Answered Question
Dec 4th, 2013
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I have a route pattern ending in 9011!        I am trying to end the dialing with #.  Hitting the # sign gives, your number cannot be dialed.  Am i missing something here, or is there a best practice route pattern I should be using for intl dialing?  I thought the ! symbol gave me access to using the # as an ending delimter.


Thanks

Correct Answer by William Bell about 3 years 8 months ago

The issue is that you need a route pattern that will accept the hash (#). You could do one of the following:



1. Have two patterns:

9011!

9011!#


The first pattern will match calls when the user doesn't provide the hash (#). The second pattern will match when the hash *is* provided.


2. Have one pattern:

9011![0-9#]


The above pattern is matched whether the user provides the hash (#) or not.



HTH


-Bill (http://ucguerrilla.com)

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Correct Answer
William Bell Wed, 12/04/2013 - 15:16
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The issue is that you need a route pattern that will accept the hash (#). You could do one of the following:



1. Have two patterns:

9011!

9011!#


The first pattern will match calls when the user doesn't provide the hash (#). The second pattern will match when the hash *is* provided.


2. Have one pattern:

9011![0-9#]


The above pattern is matched whether the user provides the hash (#) or not.



HTH


-Bill (http://ucguerrilla.com)

balitewiczp Thu, 12/05/2013 - 05:58
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Tanks for the quick response.  I understand the RP, but how does CM know to end the interdgit timeout, rather than the # just being part of the dialed number?

balitewiczp Thu, 12/05/2013 - 06:18
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Nevermind, I got it.  I found the Predot - Trailing# discard strip.


Thanks again for the quick response

William Bell Thu, 12/05/2013 - 06:18
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  • Purple, 4500 points or more

The digit analysis process is hardcoded to treat the hash/octothorpe (#) character as a special character. It signals the end of the dialing string. It must occur at the end of a pattern and, when entered from IP phone, no additional digits are accepted.


Basically, it is built in and CUCM will immediately route based on digits up to and including the #. This is why you have to add the # to your translation or route pattern.


HTH


-Bill (http://ucguerrilla.com)

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