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DURING CALLS
MUTE MICROPHONE
MUTE RINGER
OR WARNING
20
To mute the microphone during an ongoing conversation:
Press the mute button at the right side of the
telephone to turn the microphone off
The microphone is disconnected and the caller will not hear
an ongoing conversation or environmental noises.
The display shows:
M M u u t t e e d d
Press again to turn the microphone on
Note: It is advised to use this feature instead of putting a call on
hold. A call on hold may be diverted to your operator,
directly or after some time.
If the portable rings or a warning sounds at an inconvenient
moment, e.g. when the battery runs low, you will be warned
by a battery low sound (4 short beeps).
Press shortly to mute the ringing or warning for
the moment
The Ringer off icon turns on to indicate that ringing is
suppressed.
Note: When a warning occurs during a call and you want to
mute the microphone, the first press always mutes the warning
sound. The second press mutes the microphone.
BusinessPhone 250 / BusinessPhone 50
Portable DT400 / DT410 / DT420 / DT430
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