Message
Mute
Priority Calling
Select Ring
Self-Test
Send All Calls
Shift
Speaker
Speakerphone
Terminal Busy Indication
Transfer
Display Features
Inspect
Message Retrieval
Normal
Time
Tones and Their Meanings
Key Words to Know
Quick-Reference Lists
20
21
22
23
24
26
27
28
29
30
31
32
34
