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31
Call functions
Using the Speakerphone feature
Use the stereo speakers on the front of the phone to
talk and listen with the phone a short distance away.
Press [
] to activate the Speakerphone feature.
Press the key again to switch back to the earpiece.
Using In-call options
Press <
Options
> to access the following options
during a call:
•
Switch to headset
/
Switch to phone
: switch the
call to a Bluetooth headset or hands-free car kit or
back to the phone.
•
Voice clarity on
/
Voice clarity off
: remove
extraneous noise and increase call quality so that
the person with whom you are speaking can hear
you clearly even if you are in a noise place.
•
Mute
/
Unmute
: switch off the phone's microphone
so that the other person on the phone cannot hear
you, or switch it back on.
•
Mute keys
/
Send keys
: switch the key tones off
or on.
•
Phonebook
: access the contact list.
•
Send DTMF
: send the DTMF (Dual tone multi-
frequency) tones as a group. The DTMF tones are
the tones used in phones for tone dialing, sounding
when you press the number keys. This option is
helpful for entering a password or an account
number when you call an automated system, like a
banking service.
•
Message
: read an incoming message and send a
new message.
p. 52
•
Join
: set up a multi-party call by adding a caller
on hold to a currently active call. You can include
up to five people on a multi-party call.
To communicate with answering machines or
computerized telephone systems,
Send keys
must be selected.
D900.book Page 31 Friday, September 29, 2006 2:11 PM