Grandstream Networks GRP261X Administration Manual page 35

o
Upgrade Via
Specifies upgrade/provisioning via TFTP/FTP/FTPS/HTTP/HTTPS.
o
Start Provision
Starts Provision immediately.

Language Download
o
Auto Language Download
o
Language Download

Factory Functions
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 quit.
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.

Authentication
o
Admin Password
This is used to change the admin password for Web UI access.
GRP261x/GRP2624/GRP2634 Administration Guide
Version 1.0.5.48
P a g e | 35