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Transformation from CUCM Directory 2 IP Phone Ext whats the best way

CUCM Sync with AD at present

Currently numbers from corporate directory are coming through as 8 digits.

Thats the way customer wants to leave it.

Where should we perform a transformation back to 4 digit extension. So Transparently the 10 digit  directory number turns to 4 and IP phone is dialed.

1, Create Called Party Tranformation matching the 8 digits then strip to 4 digits [called party transformation mask] Place this transformation  into site specific Partition.

Would that work?

Is there a another or prefered option

Thanks

1 REPLY
Cisco Employee

Re: Transformation from CUCM Directory 2 IP Phone Ext whats the

You'll want to use translation patterns for chaning call routing.  The transformations are for called/calling number normalization more so than call routing.  Here's some more informtion on the transformations for number normalization if you're interested: http://www.cisco.com/en/US/partner/docs/voice_ip_comm/cucm/admin/8_0_2/ccmfeat/fscallpn.html#wp1289039.

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