My ip phones have 10 digit DID. Within the building, users can dial the last 4 digits, I translate it to 10. Between different locations, they need to dial 10 digit.
Because we have many locations and many of them don't have Cisco voip phones, users often dial 9+ 10 digit or 91 + 10 digit to reach phones in the same cluster.
The dialed number is matched with route-patterns : 9.[2-9]xx[2-9]xxxxxx or 91.[2-9]xx[2-9]xxxxxx and the call is sent to the associated SIP gateway going out to the SIP provider and coming back in. I am looking for a way to correct this issue.
I add a translation pattern from 9.[2-9]xx[2-9]xxxxxx to discard predot. I thought after removing a 9, CUCM would match that dialed number with an internal DID and would send the invite directly to the phone, but I still see CUCM send that call with prefix 9 to the SIP gateway.
Should I do this at the route-pattern? I really appreciate for any information how to correct this issue.
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