Reset From Web Interface (Reset Type) - Grandstream Networks HT818 Administration Manual

1. Dial "***" for voice prompt.
2. Enter "99" and wait for "reset" voice prompt.
3. Enter the encoded MAC address (Look below on how to encode MAC address).
4. Wait 15 seconds and device will automatically reboot and restore factory settings.
Encode the MAC Address
1. Locate the MAC address of the device. It is the 12-digit HEX number on the bottom of the unit.
2. Key in the MAC address. Use the following mapping:
Key Mapping
0-9 0-9
A 22 (press the "2" key twice, "A" will show on the LCD)
B 222
C 2222
D 33 (press the "3" key twice, "D" will show on the LCD)
E 333
F 3333
For example: if the MAC address is 000b8200e395, it should be keyed in as "0002228200333395"

Reset from Web Interface (Reset Type)

1. Access your HT818 UI by entering its IP address in your favorite browser.
2. Enter your admin password (default: admin).
3. Press Login to access your settings.
4. Go to Basic Settings �� Reset Type
5. Press Reset button (after selecting the reset type).
• Full Reset: This will make a full reset
• ISP Data: This will reset only the basic settings, like IP mode, PPPoE and Web port
• VOIP Data Reset: This will reset only the data related with a service provider like SIP server, sip user ID, provisioning and others.
Factory Reset will be disabled if the "Lock keypad update" is set to "Yes".
If the HT818 were previously locked by your local service provider, pressing the RESET button will only restart the unit. The device will
not return to factory default settings.
Reset using SIP NOTIFY
1. Access your HT818 UI by entering its IP address in your favorite browser.
2. Go to Profile # page.
Table 12: MAC Address Key Mapping