There is a parameter on the device configuration page that controls access to the settings of the phone from the phone. I believe it's called "settings" but I could be mistaken. There are three settings (pardon the pun) enabled, disabled and restricted. Restricted allows a user to modify user settings like ring settings, contrast etc, but does not allow them to access the network settings page.
The idea which you gave is very good to have it in a vlan which does not exist (some sort of null)
But the client wants it specifically to be blocked and hence i am trying to find ways. I will try to persuade him with the above approach as it seems to be the best way even if an avaya/nortel phone is attached.
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...
[toc:faq]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 discusse...