Call Features
RESTORE FACTORY DEFAULT SETTINGS
Please follow the instructions below to reset the phone:
1. Press the MENU button to bring up the keypad configuration menu;
2. Select Settings and enter;
3. Select System Settings 🡪 Factory Reset;
4. A warning window will pop out to make sure a reset is requested and confirmed;
5. Press the Yes softkey to confirm and the phone will reboot.
6. To cancel the Reset, press No softkey instead.
Users also can perform a factory reset using combo keys on DP Handsets during booting up before it is fully booted, to give
DP Handsets the ability to recover from some extreme cases like self-reboot or stuck right after booted up.
Please refer to the following procedure for DP Handsets factory reset using the combo key:
*72
Unconditional Call Forward. To set up unconditional call forward:
Off hook the phone;
Dial *72 and then enter the number to forward the call;
Press OK softkey or SEND key.
*73
Cancel Unconditional Call Forward. To cancel the unconditional call forward:
Off hook the phone;
Dial *73;
Hang up the call.
*90
Busy Call Forward. To set up a
busy call forward:
Off hook the phone;
Dial *90 and then enter the number to forward the call;
Press the
OK softkey or SEND key.
*91
Cancel Busy Call Forward. To cancel the busy call forward:
Off hook the phone;
Dial *91;
Hang up the call.
*92
Delayed Call Forward. To set up a delayed call forward:
Off hook the phone;
Dial *92 and then enter the number to forward the call;
Press OK softkey or SEND key.
*93
Cancel Delayed Call Forward. To cancel the delayed call forward:
Off hook the phone;
Dial *93;
Hang up the call.
Warning
Restoring the factory default settings will delete all configuration information on the phone. Please backup or print all the
settings before you restore to the factory default settings. Grandstream is not responsible for restoring lost parameters and
cannot connect your device to your VoIP service provider.
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