У вашего броузера проблема в совместимости с HTML5
took me a while to figure this out but this is how you factory rest a Cisco CP-7945G
unplug it.
when you plug it back in, hold down the "#" key
wait 5 seconds then enter in sequence
1-2-3-4-5-6-7-8-*-0-#
then wait
and blammo, it's done.