Grandstream Networks GXW-4004 - Page 28

FIRMWARE VERSION 1.0.9.1 GXW40XX USER MANUAL Page 28 of 60
*87
Blind Transfer
*90
Busy Call Forward: Dial “*90” and then the forwarding number followed by “#”. Wait for dial
tone then hang up.
*91
Cancel Busy Call Forward: dial “*91”. Wait for dial tone. Hang up.
*92
Delayed Call Forward: Dial “*92” and then the forwarding number followed by “#”. Wait for
dial tone then hang up.
*93
Cancel Delayed Call Forward: Dial “*93” for a dial tone, then hang up.
Flash/Hook
If user hears call waiting beep, flash/hook will switch to the new incoming call. Also used to
switch to a new channel for a new call.
#
Pressing pound sign will serve as Re-Dial key.