It depends on what you wish to do and why. If it is to block all calls except say internal
Create a CSS and assign it to the phone which block every call except internal and inform your users of Extension Mobility and let them over ride the previous CSS -internal only by logging on .
FAC codes- depending on the CCM level - FAC is used for external calls or calls via Route Patterns, again internal calls are OK byut to make an external call they need to enter a FAC- - FAC tend to be a single code which you give to lots of people
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...