Asumming it's a 7940 or 7960, make sure telnet_level in your tftp config file is set to "1" or "2", not zero. Unfortunately you need a TFTP server, this isn't something you can set through the phone interface.
(Create a file called "SIPDefault.cnf" , or "SIP" mac_address_of_phone ".cnf", and have "telnet_level: 2" in it. Better yet, download a SIPDefault.cnf from Cisco's Software Download and modify it to suit.)
If it's a 7905 or 7912, there's no telnet interface, but an HTTP interface instead.
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...