how to update the firmware....

yes.untuk firmware work for this modelreplacement of cisco, previously also the same case with models like ini.display only appear upgrading....

thanks for help.But my phone still can not be used, I still have not been able to enter the menu for setting me show cafture IP.berikut IP Phone screen display ..The phone is still in a state of the power cable plugged in...how do I can go into the s...

I just wanted to try to get into the menu, for setting ip, but not responding, because the screen only appears upgrading posts ..... I've been pressing 123456789 * 0 # .tetap just not responding telephone device, keep the screen only shows "UPGRADING...

yes.but I can not get to the network configuration settings menu ...because the key buttons do not work, how do I get into the menu ip phone