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Operating the Telephone

4 Operating the Telephone
Display and notation of operating sequences
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€
3 sec. €
5678 or
Icons in the display
Icon
1
05-18
EXT
INT
64
Description
Internally assigned call number of the handset
Displays the duration of the current call
External call
Internal call
The key lock is activated
The microphone has been muted
Three bars: Connection to the base station is good.
Two bars: Connection to the base station is not as good.
One bar: Connection to the base station is poor.
Enter the number
Press the button depicted briefly
Press the button depicted for
3 seconds
Digits or icon in the display