11-28-2018 10:10 AM - edited 03-17-2019 01:46 PM
Some people suggest updating the firmware but I don't know how.
11-28-2018 10:23 AM
Hello,
Please use the following procedure:
https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-communications-manager-callmanager/213288-upgrade-ip-phone-firmware-individually.html
Additionally, please check the "Forwarded Call Information Display on Device"
Hope this works for you
G
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