While you can use a third party tftp server to load the actual files on to the phones, the whole process is more that just uploading firmwares. The IP phone needs to talk to cucm to know that it should upgrade its firmware. All of this process happens at the same time. If you point your ip phone to a 3rd party tftp server, I doubt if it will work. The phone wont be able to download its configuration files, hence wont know if it needs to upgrade its firmware or not..
Please rate all useful posts
"The essence of christianity is not the enthronement but the obliteration of self --William Barclay"
I wouldn't go so deep with this - if you know your current version of firmware and had downloaded newer than that on your PC then you can use tftpd32 and factory reset phone and upload newer firmware on device without CM...very straight forward...
there is recovery procedure explained...but as I said you can use same procedure just to install newer firmware on IP phone. Just use hard factory reset code and then with tftpd32 provide newer firmware and phone will download it...
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...