restrict outgoing calls to specific numbers

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Aug 20th, 2008

Hi, how can I restrict the outgoing calls to specific numbers? For example, I dont want to restrict the calls from our cluster to PSTN number 1800123456. We have CCM 4.1(3) cluster in our setup.

I have this problem too.
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Chris Deren Wed, 08/20/2008 - 06:23

You need to implement class of service, by utilizing paritions/calling search spaces. Please refer to CM System Guide for details.

If you already have PT/CSS implemented, all you need to do is add a blocking route pattern or translation pattern with DN 91800123456, assuming you use 9 for off-net access code and place it in global parition reachable by all phone CSSes, this way nobody will be able to call it.

Typically I create a dedicated parition TollFraud-PT and place all blocked patterns in it, i.e. 900/966/Caribean area codes, and put this PT in all CSS, this way you have a little bit more control.

HTH,

Chris

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