Below is the easiest method I have found to append a 9 to incoming calls thus 
making callbacks much easier.

** Note: Changing this service parameter on one subscriber will affect the 
entire cluster. **

SYSTEM >> SERVICE PARAMETERS >> Cisco CallManager >> Select Advanced

Under "Clusterwide Parameters (Device Phone)," look for  "Incoming Calling 
Party National Number Prefix - Phone."  I added a 91.

Additionally, I also enabled "Insert Hyphens in 12-Digit Numbers  Required 
Field" to make numbers much easier to reader.

Thanks,

Matthew Berry
Office 952 516 3748  |  Mobile 952 221 2814|  
[email protected]<mailto:[email protected]>

From: Christopher Clouse [mailto:[email protected]]
Sent: Monday, November 09, 2009 11:34 AM
To: Berry, Matthew J.
Subject: Re: [OSL | CCIE_Voice] Appending a 9 to inbound calls

Check out the service parameters.  There is a prefix digits setting in there.  
I don't have a CM in front of me to tell you which one right now, but there is 
a group, 1 for local, 1 for national and 1 for international.

~Chris

From: Berry, Matthew J.<mailto:[email protected]>
Sent: Monday, November 09, 2009 11:32 AM
To: [email protected]<mailto:[email protected]>
Subject: [OSL | CCIE_Voice] Appending a 9 to inbound calls

Hey guys!

Alright, now for a practical question.  In our environment, incoming calls 
display the ten-digit CID.  How could I append a 9 to all incoming numbers so 
that users can return calls using the "Received Calls" or "Missed Calls" 
section in directories?

I tried to add a 9 prefix to the PRIs, but that did not work.  I received weird 
carrier messages.

Any suggestions?

Thanks,

Matthew Berry, Sr. Unified Communications Engineer, CCVP
Kroll Ontrack  |  9023 Columbine Road, Eden Prairie, MN 55347
952 516 3748  |  Fax 952 562 2175  |  Mobile 952 221 2814|  
[email protected]<mailto:[email protected]>
www.krollontrack.com<http://www.krollontrack.com/>

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