AASTRA DT390 for BusinessPhone User Guide EN - Manual (Page 14)

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DT390 D ESCRIPTION
3 DT390 Description
This chapter describes the DT390 cordless phone and its display, menu
structure, and tones. The phone is shown in figure 1 on page 14.
Figure 1: Overview of the DT390 cordless phone
1 Soft keys
Can be pre-programmed or used with the GUI
2 Off-hook key
Used to connect calls, and as a shortcut to the call list.
3 Voice mail access
Used to listen to voice mail messages
4 Key lock and upper and lower case
A combined key lock and shift key for upper and lower case
5 Space
Used to add space between text
6 Mute key
Used to switch audio on and off in idle mode, to silence the ring
signal, and to switch the microphone off and on during a call
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