If this is a pots dial peer you can simply add "prefix" command to the dial peer, if this is on voip dial peer you will need to use translation rule. The command Joe is referring should prevent the user from seeing the updated dialed number, though that will only work for H323 GW, if you are using SIP I would imagine you would need to add a sip profile and modify the header.
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...