If Call Waiting is on, you can put the first call on hold and answer the
second, by pressing [Send] or by selecting the [Answer] key.
You can end the current call and answer the waiting call by selecting
the [Menu] key, then
.
You can reject an incoming call without answering by simply
pressing the [End] key.
When in a call you can reject an incoming call (1st call) by pressing
the [Menu] key and selecting
or by
pressing [End] key.
You can control the volume during a call by pressing [Options] key
followed by U or D .
and selecting
You can mute the microphone during a call by pressing the [Options]
key then selecting
. The handset can be unmuted by pressing
the [Unmute].
When the handset is muted, the caller cannot hear you, but you can
still hear them.
To turn DTMF tones on during a call, for example, to allow your
handset to make use of an automated switchboard, select the
[Options] key, then
. DTMF tones can be turned off the
same way.
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