I don't see anything in your config that would cause the CCME to overwrite the Caller ID. I recommend you do a "debug isdn q931" and capture the output when making a call from different extensions. It is common for carriers to overwrite caller id with the billing number. And, in true carrier fashion, they will always say it is in your system first, before checking theirs.
The output from the debug will show the information that the router is handing out the isdn data link. I suspect that you are sending the correct digits, but they are overwriting them.
SIP traces provide key information in troubleshooting SIP Trunks, SIP
endpoints and other SIP related issues. Even though these traces are in
clear text, these texts can be gibberish unless you understand fully
what they mean. This document attempts to br...
Please find the attached HTML document, download and open it on your PC.
This provides an easy to use form where you simply answer a few
questions and it will render the proper jabber-config.xml file for you
to copy/paste. There is built in logic to verif...
CUCM Database Replication is an area in which Cisco customers and
partners have asked for more in-depth training in being able to properly
assess a replication problem and potentially resolve an issue without
involving TAC. This document discusses the bas...