Grandstream Networks GXV3240 User Manual page 74

Send Caller ID (for all subsequent calls)
*31

Dial *31.
Disable Call Waiting
*50

Dial *50.
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.
GXV3240 User Guide
P a g e | 73