About Muhsin

Muhsin · 06-18-2022

Hi I would like to add add multiple new IP phones models 7821 and CP8821 to the CME on ISR 2921 router, But current IOS/CME version does not support these phone models (flash:c2900-universalk9-mz.SPA.153-1.T.bin) , So I want to upgrade IOS on ISR 2...

Muhsin · 06-19-2022

@Leo Laohoo Thanks for the reply, So I can upgrade from 15.3.1T to 15.7.3M directly as well. CME versions are embedded with IOS, So CME automatically upgrade with the IOS. If I upgrade to 15.7.3M CME becomes version 12.0. I hope phones 7821 and 8...

Member Since	‎06-17-2022 04:01 AM
Date Last Visited	‎06-28-2022 06:58 AM
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IOS upgrade (C2900-UNIVERSALK9-M), Version 15.3 to support 7821,CP8821

Re: IOS upgrade (C2900-UNIVERSALK9-M), Version 15.3 to support 7821,CP