IP phone 7900 series screen flicker under 50 Hz fluorescent lamps

The it Department recently updated all the phones in the Office of Cisco 7962 G IP phones.  As we fluorescent tubes of our office of the power supply 50 Hz lights, flashing screen on these phones. Is there an alternative setting, firmware or other product for us poor people who live in countries where the supply of 50 Hz? The IT department wants to change all the lights in the office.

There is no firmware "fix" for this reason and indeed no solution at all.

Tags: Cisco Support

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