We´re on un upgrade from CUCM 220.127.116.11000-1 to CUCM 18.104.22.16800-2, and first we´re upgrading fw on phones.
there are some Cisco 7911 with fw sccp11.9-0-2SR1S that doesnt upgrade to sccp.9-2-1s. Also proved upgrade to sccp11.9-1-1SR1S, and they maintain on 9.0(2). Also the web access on phone is not working, even if it enable on config.
there are some 7911 that had 9.1(1)sr1, and them upgraded correctly to 9.2(1). So the tftp worked.
We tried a factory reset with a phone with 9.0(2), and it remains with term.11.default, locale in english.
It seems an issue with fw 9.0(2).
Any idea how to upgrade the phones?
Or to recover the 7911 that remains with term11.default
Go to Cisco Unified CM Administration > Device > Device Settings > Device Defaults, and locate the model or phone type that the upgrade SHOULD NOT affect, you will see that the new firmware name is listed there. Change it to the string that your phones are currently using.
This way we stop the system to push t he load to phone, and only transmit it to the model/type we want
If what you need is to push the firmware to an entire device model/type, then you can go ahead and restart the TFTP service, and then the entire set of IP Phones of the model you want to upgrade. After restarting, the CallManager will tell them to load firmware 8.4.4
If what you need is to push the load to a single device, or few devices, correct the firmware string back to what the phones are currently running as in step 1. This way the phones won't notice there was a new firmware installed and won't be instructed to upgrade
Restart the TFTP service in CallManager
Now lets tell those few phones only that they need to load a new software image
Go to Device > Phones, Find the devices and locate a field in their configuration pages called "Phone Load Name", and enter SCCPXXXXX.
Restart the phone
Go back to their configuration page, and clear the "Phone Load Name" field
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