Operation Manual

Troubleshooting
97
On/Off on page 31.
Why can I hear the verification tone from handset if the call is successfully handled by the
repeater?
To deactivate the verification tone on the repeater:
1. Switch off the repeater (disconnect the power adapter).
2. Switch it on for 1 to 5 seconds and switch it off again.
3. Switch it on again. The LED indicator on the repeater flashes slowly.
4. Switch it off again.
5. Switch it on again.
The verification tone is then deactivated. If you want to activate the verification tone, repeat
the above steps.
Display Issue
Why does the handset prompt the message “Not Subscribed”?
Check the registration status of your handset. If your handset is not registered to the base
station, register it manually. Refer to Handset Registration on page 24.
Why does the handset prompt the message “Not in Range” or “Out Of Range”?
 Ensure that the base station is properly plugged into a functional AC outlet.
 Ensure that the handset is not too far from the base station.
Why does the handset prompt the message “Network unavailable.”?
 Ensure that the Ethernet cable is plugged into the Internet port on the base station and the
Ethernet cable is not loose.
 Ensure that the switch or hub in your network is operational.
Update & Reset Issue
How to upgrade firmware?
To upgrade base station/handset firmware via web user interface:
1. Click on Settings->Upgrade.
2. In the Select And Upgrade Firmware or Select and Upgrade Handset Firmware field,
click Browse to locate the firmware file from your local system.
3. Click Upgrade to upgrade the firmware of the base station or handset.
4. Click OK to confirm upgrading.