Panasonic KX-NS500 Features Manual page 90

2.3.4 FWD/DND Button, Group FWD Button
→ Extension Number (for Group Fwd (Both))
→ Extension Number (for Group Fwd (External))
→ Extension Number (for Group Fwd (Internal))
12.2.1 PBX Configuration—[4-2-1] Extension—Portable Station—Extension Settings—FWD / DND
12.2.3 PBX Configuration—[4-2-3] Extension—Portable Station—Flexible Button
→ Type
→ Extension Number (for Group Fwd (Both))
→ Extension Number (for Group Fwd (External))
→ Extension Number (for Group Fwd (Internal))
Feature Guide References
2.21.1 Fixed Buttons
2.21.2 Flexible Buttons
User Manual References
3.1.2 Settings on the Programming Mode
90 Feature Guide