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Telephone operation
Handset speakerphone
During a call, press
handset use.
Volume control
During a call, press VOL/ / or VOL/ /
You hear an in-ear beep while adjusting. If you turn off the key tone, the in-
ear beep will not be heard.
If this is a cell call and the volume is too loud or quiet, try changing the
volume on your cell phone. On some cell phones, changing the volume on
the cell phone effects your cell call volume on the DS6421 handset.
Silence the ringer
When the telephone is ringing, you can temporarily silence the ringer of the
handset without disconnecting the call. The next call rings normally at the
preset volume.
To silence the ringer:
Press SILENCE, OFF/
•
Ringer muted appears.
Mute
The mute function turns off the microphone. You can hear the caller, but the
caller cannot hear you.
To mute a call:
During a call, press MUTE/
•
handset shows Microphone off briefly and MUTE appears until the mute
function is turned off.
To take a call off mute:
Press MUTE/
•
briefly shows Microphone on.
to switch between speakerphone and normal
CANCEL
DELETE
again to resume the conversation. The handset
DELETE
to adjust the listening volume.
CID
or MUTE/
DELETE
to turn off the microphone. The
47
on the handset and
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