Yealink MP56 User Manual page 8

Viewing Phone Status....................................................................................................................... 91
Updating Phone Firmware................................................................................................................ 92
Resetting Your Phone........................................................................................................................92
Troubleshooting......................................................................................... 92
Why is the screen blank?..................................................................................................................92
Why does the device display "Network unavailable"?.......................................................................92
Why does the device display time and date incorrectly?.................................................................. 93
How can I obtain the MAC address of a device when the device is not powered on?...................... 93
Why can't I sign into the Skype for Business server on the phone?................................................ 93
Why can't the phone pair with my Skype for Business client?......................................................... 93
Why can't I see the Calendar menu on the phone?......................................................................... 93
Why can't I get a dial tone?..............................................................................................................94
Why doesn't the phone ring?............................................................................................................ 94
Why can't I receive calls?................................................................................................................. 94
Why doesn't my handset work?........................................................................................................ 94
Regulatory Notices.................................................................................... 94
Service Agreements.......................................................................................................................... 94
Limitations of Liability........................................................................................................................ 94
Safety Instructions............................................................................................................................. 95