Grandstream Networks GVC3200 User Manual page 85

Enable Call Waiting.
*51

Dial *51.
Block Caller ID (per call).
*67

Dial *67 followed by the phone number.
Send Caller ID (per call).
*82

Dial *82 followed by the phone number.
Disable Call Waiting (per Call).
*70

Dial *70 followed by the phone number.
Enable Call Waiting (per Call).
*71

Dial *71 followed by the phone number.
Unconditional Call Forward. To set up unconditional call forward:
*72

Dial *72 followed by the phone number to forward the call.
Cancel Unconditional Call Forward. To cancel the unconditional call forward:
*73

Dial *73.
Paging Call.
*74

Dial *74 followed by the phone number to send the paging call.
Force Audio Calling (per call).
*83

Dial *83 followed by the phone number to send the audio call.
Force Video Calling (per call).
*84

Dial *84 followed by the phone number to send the video call.
Busy Call Forward. To set up busy call forward:
*90

Dial *90 followed by the phone number to forward the call.
Cancel Busy Call Forward. To cancel the busy call forward:
*91

Dial *91.
Enable Call Forward No Answer. To set up Call Forward No Answer:

*92
Dial *92 followed by the number to forward the call. The default timeout before the call is
forwarded is 20 seconds.
Cancel Call Forward No Answer. To cancel Call Forward No Answer:
*93

Dial *93.
Firmware Version 1.0.1.65 GVC3200/GVC3202 User Guide Page 84 of 145