I got used phone loaded with 3.0 firmware. Configured the phone and hooked to the CallManager.
After some time it upgraded to 6.0 without me knowing.
I read on the Cisco site that firmware after 5.0 are irreversible.
How is that affecting user like me ?
What is the benefit of having old firmware?
After some time it upgraded to 6.0 without me knowing.
I read on the Cisco site that firmware after 5.0 are irreversible.
How is that affecting user like me ?
What is the benefit of having old firmware?