AT&T MERLIN LEGEND Release 3.1 System Programming Manual page 795

Button Diagrams
Figure E–2. Analog Multiline Telephone Button Diagram (Hybrid/PBX Mode)
22 BUTTON
10 BUTTON
5 BUTTON
5
4
SA
Orig Only
3
SA
Voice
2
SA
Ring
1
34 BUTTON
10 11
9 12
8 13
7 14
6 15
16
17
18
19
20
21
22
System Programming
23
24
25
26
27
28
29
30
31
32
33
34
E–3