i have some problem with 9951 ip phone, i plug poe and when started, after cisco logo, the phone screenis stack in black
y dont know what happend, what is the key sequence for factory reset on ip phones 9951, is the same that all other ip phone models?
press #, then plug cable, when the light blinks enter 123456789*0# ?? or is different?
any ideas for help please ?
thaks since now