AT&T 8520T - Manual (Page 26)

Quick Reference Lists
Feature Access Codes
Feature Code Feature Code
ABBREVIATED DIALING
List 1
List 2
List 3
CALL PICKUP
LAST NUMBER DIALED
LEAVE WORD CALLING
Cancel
PRIORITY CALLING
SEND ALL CALLS
Cancel
Program
CALL FORWARDING
ALL CALLS
Cancel
CALL PARK
Answer Back