Polycom VVX 500 Quick Start Manual page 12

Call Forward Options
Forward calls, when busy, to another number
Press the Forward soft key on the bottom of your Home screen.
Press 3 (Busy)
Enter the number you wish to forward all calls to
Press the Enable soft key
Note: To disable press the Forward soft key again and disable the Busy
option. You can also use feature codes by dialling *90 to enable and *91
to disable.
Note: If you have previously entered a destination phone number for that
call forward type, you do not need to re-enter it each time the call forward
option is enabled.
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