[cisco-voip] Rewriting incomming CallerID

[Ryan Ratliff]

CUCM 7.1.5 cannot take any action on a call based on the calling number so unless you are getting a different called number string for each site code then you are out of luck.

Starting in 8.0 we can route based on calling party number.  This means we can also translate based on calling party number.  You can find a good document describing how to use this feature to block calls at https://supportforums.cisco.com/docs/DOC-18367.  The same process can be easily manipulated to modify the calling number rather than blocking the call.

Since you are MGCP you can't do anything at all in the gateway that I'm aware of. 

-Ryan

On Nov 18, 2011, at 7:28 AM, Phil Bieber wrote:

Hi List!
We're currently running a Call Manager 7.1.5.10000-12 with 9 locations.
Due to bandwith limitations and fitting contract with our telephone carrier, we're routing all calls between our location over the POTS. So our site codes are replaced with the actual phone number of the location upon dialing with a Translation Pattern. Accordingly, all calls between our locations are incomming with the full phone number.
Now, I would like to rewrite those incomming calls to have the corresponding site code. The problem is, that we cannot do this on our voice gateway (2811, MGCP) as it doesn't support enough rewrite rules for incomming calls. Is there a possibility to rewrite incomming CallerIDs / phonenumbers at the CUCM?
Right now, I have eight Translation Patterns like 8[1-6]X, which would need six rule patterns on the gateway, or am I mistaken?

Any help would realy be appreciated.
Cheers

Philipp Bieber
--
It might be just possible, by lying very still in a cellar somewhere,
to get through a day without committing a crime. But only just. And,
even then, you were probably guilty of loitering.
- Terry Pratchett: Feet of clay.
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