Grandstream Networks, Inc. |
8 Restore Factory Default Setting
WARNING !!!
Restore the Factory Default Setting will DELETE all configuration information of the phone.
Please BACKUP or PRINT out all the settings before you approach to following steps.
Grandstream will not take any responsibility if you lose all the parameters of setting and cannot connect to your VoIP service provider.
Please disconnect network cable and power cycle the unit before trying to reset the unit to factory default. The steps are as follows:
Step 1:
Find the MAC address of the device. It is a 12 digits HEX number located on the bottom of the unit.
Step 2:
Encode the MAC address. Please use the following mapping:
A:22 (when pressed 2 twice, the “A” letter will show on the LCD)
B:222
C:2222
D:33
E:333
F:3333
For example, if the MAC address is 000b8200e395, it should be encoded as “0002228200333395”.
Step 3:
To perform factory reset:
a.Press the MENU button for Key Pad Menu options.
b.Press the Up or Down button to see “reset”.
c.Enter the encoded MAC address.
d.Press the MENU button again
e.Wait for phone reboot and the LCD backlight finish flashing.
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