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CUCM Incoming calls to Unity Auto Attendant

Posted on 2013-01-31
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Last Modified: 2013-01-31
Hello all. I need to convert a Call Manager Express system to CUCM. The conversion is almost done but I am stuck on something that is probably simple. The Gateway (MGCP) is connected to the PSTN via PRI. I need to route all incoming calls to the Unity Auto Attendant. In CME I did it via secondary number on the DN but how do I do it in Call Manager. I have a list of DID's that if called go to AA. Translation Pattern? Thanks in advance for any help.
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Question by:orpandrea
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Expert Comment

by:José Méndez
ID: 38839684
Yes, translation pattern is the answer, amongst others.

If calling your DIDs hits the router carrying the called number as the last 4 digits, then create a Translation Pattern to catch those 4 numbers, then transform into Unity´s hunt pilot number. This will result in a direct call to Unity (instead of a forwarded call)
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Author Comment

by:orpandrea
ID: 38840089
Can you please give me an example? I have never setup a Translation Pattern.
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Expert Comment

by:José Méndez
ID: 38840135
Go to Call Routing > Translation Pattern > Add new

In the Translation Pattern field enter the called number presented when someone calls one of the DIDs.

Uner Called Party Transformations fill in the Called Party Transform Mask field. This works like this:

Called number: 12345

 Translation Pattern : 12345
Called Party Transform Mask: 4444

Call hits the  Translation Pattern  and is translated from 12345 to 4444

Another example:

Called number: 2222

 Translation Pattern : 2222
Called Party Transform Mask: 4444

Call hits the  Translation Pattern  and is translated from 2222 to 4444
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Author Comment

by:orpandrea
ID: 38840427
Thanks so much. Does the Translation Pattern need to be applied to the gateway or does it just do it by creating the pattern?
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Accepted Solution

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José Méndez earned 500 total points
ID: 38840558
When you create the pattern, it becomes part of the dial plan, meaning, the set of existing routes that Callmanager knows of.

When a call comes in through the gateway, Callmanager inspects the allowed collection of routes (or patterns) that the gateway is configured to be able to access (this is controlled by modifying the gateway's Inbound Calling Search Space). The translation pattern should be one of them, thus, making a match between what the called number was, and what the Translation Pattern field is set to.

So to answer your question, yes.
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Author Closing Comment

by:orpandrea
ID: 38840670
Thanks again.
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