Multi-Function Button - Grandstream Networks WP820 User Manual

Busy Call Forward. To set up busy call forward:
Off hook the phone;
*90
Dial *90 and then enter the number to forward the call;
Press Call softkey or Dial key.
Cancel Busy Call Forward. To cancel the busy call forward:
Off hook the phone;
*91
Dial *91;
Press Call softkey or Dial key.
No Answer Call Forward. To set up delayed call forward:
Off hook the phone;
*92
Dial *92 and then enter the number to forward the call;
Press Call softkey or Dial key.
Cancel No Answer Call Forward. To cancel the delayed call forward:
Off hook the phone;
*93
Dial *93;
Press Call softkey or Dial key.

MULTI-FUNCTION BUTTON

PTT (Push to talk) button can be configured under WP820 Web GUI
Customization �� Multi-Function Button, to perform the following functions:
PTT/Paging
When users select Multi-function button to be a PTT/Paging button, a short press on the button will take users to PTT/Paging
settings. Users can also press and hold the key to initiate PTT/Paging call.
Please, refer to the section PTT (PUSH-TO-TALK) FUNCTIONALITY
SAFE/Panic Call
Users could change the function of Multi-function button to SAFE/Panic Call, a short press on the key will open status page to
make sure that Panic Call is enabled. Users can also press and hold the key to trigger Panic Call. Please, refer to the section
SAFE/PANIC CALL
Mute/Un-mute
If "Mute" is chosen to be the function of Multi-function button, users will be able to mute incoming calls ringtone by pressing
on the key. Also, the key will be performing mute/unmute function during calls.
Table 13: Call Features
�� System Settings �� Preferences �� Button