Table of Contents
11
The device does not get an IP address
Display time and date incorrectly
Difference between a remote phone book and a local phone book
Increasing or decreasing the volume
Get poor sound quality during a call
There is no sound when the other party picks up the call
Play the local ringback tone instead of media when placing a long-distance number without plus 0
Fail to upgrade the phone firmware
Verifying the firmware version
The IP phone does not update the configurations
Fail to export the system log to a provisioning server (FTP/TFTP server)
Fail to export the system log to a syslog server
Restore the administrator password
The web screen displays "Default password is in use. Please change!"
Both PoE cable and power adapter is connected to the phone
The power LED indicator has no lights
The difference among user name, register name, and display name
The difference between RFC 2543 Hold enabled and disabled
How does the DM configuration changes take effect when the handset is in the call?
Why doesn’t the power indicator on the base station light up?
Why doesn’t the network indicator on the base station slowly flash?
How to check which area the handset is used for?
Why cannot the handset be registered to the base station?
Why does the handset prompt the message “Not Subscribed”?
Why does the handset prompt the message “Not in Range” or “Out Of Range”?
Why does the handset prompt the message “Network unavailable”?
Why does the handset display “No Service”?
Why doesn’t the DECT IP phone upgrade firmware successfully?