Administrator’s Guide for W60P/W53P/W41P DECT Phones
10
Troubleshooting Solutions
247
IP Address Issues
247
The IP phone does not get an IP address
247
Solving the IP conflict problem
247
Specific format in configuring IPv6 on Yealink IP phones
247
Time and Date Issues
248
Display time and date incorrectly
248
Phone Book Issues
248
Difference between a remote phone book and a local phone book
248
Audio Issues
248
Increasing or decreasing the volume
248
Get poor sound quality during a call
248
There is no sound when the other party picks up the call
248
Play the local ringback tone instead of media when placing a long distance number without plus 0
249
Firmware and Upgrading Issues
249
Fail to upgrade the phone firmware
249
Verifying the firmware generation and phone version
249
The IP phone does not update the configurations
250
System Log Issues
250
Fail to export the system log to a provisioning server (FTP/TFTP server)
250
Fail to export the system log to a syslog server
250
Password Issues
250
Restore the administrator password
250
The phone displays "Default password is in use. Please change!"
250
Power and Startup Issues
251
Both PoE cable and power adapter is connected to the phone
251
The IP phone has no power
251
Other Issues
251
The difference among user name, register name and display name
251
On code and off code
251
The difference between RFC 2543 Hold enabled and disabled
251
Base Issue
252
Why doesn’t the power indicator on the base station light up?
252
Why doesn’t the network indicator on the base station slowly flash?
252
Handset Issues
252
How to recognize the area of the handset?
252
Register Issue
252
Why cannot the handset be registered to the base station?
252
Display Issue
252
Why does the handset prompt the message “Not Subscribed”?
252
Why does the handset prompt the message “Not in Range” or “Out Of Range”?
253
Why does the handset prompt the message “Network unavailable”?
253
Why does the handset display “No Service”?
253
Upgrade Issue
253
Why doesn’t the DECT IP phone upgrade firmware successfully?
253
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