Grandstream Networks 200 Series user manual Restore Factory Default Setting, Step

7 Restore Factory Default Setting

Warning !!!

Restore the Factory Default Setting will DELETE all configuration information of the device. 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 service provider.

Step 1:

Find the MAC Address of the device. The MAC address of the device is located on the bottom of the device. It is a 12-digit number. User can also use Menu option 10 to find out the phone’s MAC address.

Step 2:

Encode the MAC address. Please use the following mapping:

0-9: 0-9

A:22

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:

Access the phone screen menu, select “-- reset --" with the up or down arrows keys.

Step 4:

Enter the encoded MAC address. Once the correct MAC address is displayed in the LCD screen, press “MENU” button, the device will reboot automatically and restore to factory default setting.

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