Ericsson DT288 User Manual page 23

MUTE MICROPHONE
MUTE RINGER OR
WARNING
BusinessPhone 250 - Portable DT288
BusinessPhone 50 - Portable DT288
To mute the microphone, during an ongoing conversation:
Press and hold
The caller will not hear the conversation in your room.
or
Press shortly, to turn the microphone off
Short pulse sounds confirm that the microphone is off.
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.
DURING CALLS
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