Grandstream Networks GXP1450 User Manual page 37

Block Caller ID (per call)
*67
Send Caller ID (per call)
*82
Disable Call Waiting (per Call)
*70
Enable Call Waiting (per Call)
*71
Unconditional Call Forward. To set up unconditional call forward:
*72
Cancel Unconditional Call Forward. To cancel the unconditional call forward:
*73
Busy Call Forward. To set up busy call forward:
*90
Cancel Busy Call Forward. To cancel the busy call forward:
*91
Delayed Call Forward. To set up delayed call forward:
*92
FIRMWARE VERSION 1.0.5.58

Off hook the phone;

Dial *67 and then enter the number to dial out.

Off hook the phone;

Dial *82 and then enter the number to dial out.

Off hook the phone;

Dial *70 and then enter the number to dial out.

Off hook the phone;

Dial *71 and then enter the number to dial out.

Off hook the phone;

Dial *72 and then enter the number to forward the call;

Press OK softkey or SEND key.

Off hook the phone;

Dial *73;

Hang up the call.

Off hook the phone;

Dial *90 and then enter the number to forward the call;

Press OK softkey or SEND key.

Off hook the phone;

Dial *91;

Hang up the call.

Off hook the phone;
GXP2120/GXP2110/GXP2100/GXP14xx USER MANUAL Page 37 of 80