o Diagnostic Mode
All LEDs will light up. All keys’ name will display in red on LCD screen
before diagnosing. Press any key on the keypad to diagnose the key’s
function. When done, the key’s name will display in blue on LCD. Lift
and put back the handset to exit diagnostic mode.
o Audio Loopback
Speak to the phone using speaker/handset/headset. If you can hear your
voice, your audio is working fine. Press “Exit” Softkey to exit audio
loopback mode.
o LCD on/off
Selects this option to turn off LCD. Press any button to turn on LCD.
o LCD Diagnostic
Enters this option and press Left/Right Navigation key to do LCD
Diagnostic. Press “Exit” Softkey to quite.
o Certificate Verification
This is used to validate certificate chain for the server’s certificate.
UCM Detect
Detect/connect UCM server to process auto-provision. Manually input
the IP and port of the UCM server phone wants to bind with; Or select
from the available UCM server in network.
Operations
o Factory Reset
It is used to restore the phone to factory default settings.
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