Good day to you, I would really love your insight on this cisco phone that I'm troubleshooting at the moment, we noticed last week that the two phones just gets lit up anytime power is applied to it, it doesn't boot up/load firmware, it just illumina...

Last week Our Cisco CP 7821 phones two of them, developed some faults, the screen just gets lights up and without it loading up the firmware, the handset RED light comes up as well. But the phone does not boots up.All forms of reset has been done.:> ...