Grandstream Networks GXV3370 User Manual page 72

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.
Delayed Call Forward. To set up delayed call forward:
*92
•
Dial *92 followed by the number to forward the call. The default timeout
before the call is forwarded is 20 seconds.
Cancel Delayed Call Forward. To cancel the delayed call forward:
*93
•
Dial *93.
GXV3370 User Guide
Version 1.0.0.16
P a g e | 71