In this guide
Making and receiving calls
Last number redial
Secrecy/Music on hold
Base ringer volume
Registering your handset
If you have to return your product
Technical information
Call security
Switchboard compatibility
Switchboard access codes
Handset hook
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3
5
6
7
10
10
11
11
12
13
13
14
15
15
16
17
17
17
18
18
19
19
19
21
23
24
25
27
4