03-05-2018 07:42 AM - edited 03-17-2019 12:20 PM
Hello, I need to downgrade one Cisco phone 7811 with version 11.0.1.11 due to bug with no missed calls to version 10-3-1-12. I need to downgrade only one device for test, this device it is not in CME.
I´m quite new in voice, so could you help me.
Thank you