Here are the feature codes for the phone system. These serve as keypad shortcuts to perform special functions in the phone system. They work with both the desktop phone and the softphone.
*43 – Echo Test
*60 – Speaking clock
*65 – Speak your extension/phone number
*76 – Do Not Disturb toggle (activate/deactivate)
*96 – Call Forwarding toggle (activate/deactivate)
*#### – Call directly to voicemail. Replace #### with the destination extension. You can also transfer a call directly to voicemail this same way.