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7 digit filter

My coutomer's PSTN support both 7 and 10 local digits call now. They only will want to block 611 and 411 service, everything else is permitted. Do I need apply 7 digit filter in order to make 7 digit local ?

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Re: 7 digit filter

Since there has been no response to your post, it appears to be either too complex or too rare an issue for other forum members to assist you. If you don't get a suitable response to your post, you may wish to review our resources at the online Technical Assistance Center ( or speak with a TAC engineer. You can open a TAC case online at

If anyone else in the forum has some advice, please reply to this thread.

Thank you for posting.

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