Its better to have the dhcp scopes on the CM for IP phones as it acts as tftp server and ip phones needs some tftp options.
Yes, it is possible to erase the configuration of an IP Phone from CCM remotely.
If you are using DHCP in your network, but you are not using auto-registration, you can manually add a phone to the Cisco CallManager database. If you are using DHCP, you do not need to assign IP addresses or TFTP servers.
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...