Normal setup of a phone. Only thing that changes per extension is the GPIK number of course.

1 - CALL 1
2 - CALL 2
3 - CALL 3
4 - GPIK 5
5 - PARK
6 - DS
7 - MUTE
8 - DS
9 - DS
10 - DS
11 - DS
12 - DS
13 - DS
14 - BARGE
15 - RP 2
16 - RP 1
17 - PAGE 0
18 - SPD
19 - DND
20 - VT 549
21 - VMMSG

"Try not to become a man of success, but rather try to become a man of value" ~ Albert Einstein