Updating Phone Firmware..................................................................................................................................90Resetting Your Phone......................................................................................................................................... 91Troubleshooting....................................................................................................... 91Why is the screen blank?................................................................................................................................... 91Why does the phone display “Network unavailable”?...................................................................................... 91Why does the phone display time and date incorrectly?................................................................................... 91How can I obtain the MAC address of a phone when the phone is not powered on?....................................... 92Why can’t I sign into the Skype for Business server on the phone?.................................................................92Why can't the phone pair with my Skype for Business client?......................................................................... 92Why can't I see the Calendar menu on the phone?........................................................................................... 92Why can't I get a dial tone?...............................................................................................................................92Why doesn't the phone ring?..............................................................................................................................93Why can't I receive calls?.................................................................................................................................. 93Why doesn't my handset work?......................................................................................................................... 93Regulatory Notices..................................................................................................93Service Agreements............................................................................................................................................ 93Limitations of Liability.......................................................................................................................................93Safety Instructions.............................................................................................................................................. 93
