Ericsson R310s - During a Call; Changing the Listening Volume; Muting the Microphone

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During a Call
Your phone has several functions, which you might find
helpful while a call is in progress.
Changing the Listening Volume
You can easily change the listening volume during a call by
pressing any of the volume keys on the side of the phone.
To change the listening volume during a call
• Press
UP
to increase the volume.
• Press
DOWN
to decrease the volume.
Muting the Microphone
If you wish, you may turn the microphone off during a call.
To turn the microphone off temporarily during a call
1. Press and hold down the
C
key.
Muted
appears in the display.
2. To continue your conversation, release the
C
key.
Tip! Instead of pressing and holding the
C
key, you can
put the call on hold.
To put a call on hold
1. Press
YES
.
Call held
appears in the display.
2. To continue your conversation, press
YES
again.
Sending Tone Signals
To use telephone banking services or to control an answer-
ing machine, you need to use codes. These codes are sent as
tone signals (also known as DTMF tones or touch tones).
With your mobile phone, you may use these codes during a
call. If you press
0-9
,
*
and
#
during a call, these numbers
and characters are sent as tone signals.
Note! You can also save codes only or codes together with
a phone number in your Phone Book. See “Telephone
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