Nokia SGH-D830 - Manual (Page 35)

C
all functions
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3. Press <Options> and select End held
call to end the call on hold.
4. To end the current call, press [ ].
Using the speakerphone feature
Use your phone as a speakerphone to talk
and listen with the phone a short distance
away.
Press [ ] and then <Yes> to activate the
speakerphone feature. Press [ ] again to
switch back to the earpiece.
Using In-call options
Press <Options> to access the following
options during a call:
• Speaker on/Normal: turn on the
speakerphone feature or switch back to
Normal mode.
• Switch to headset/Switch to phone:
transfer the call to a Bluetooth headset
or hands-free car kit, or back to the
phone.  p. 92
• Menu: access the phone's menu
functions.
• Voice off/Voice on: 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.
• Send DTMF: send the DTMF (Dual tone
multi-frequency) tones as a group. The
DTMF tones are the tones used in phones
for tone dialling, 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.
• Phonebook: access the contact list.
• SIM service: access special services,
such as news, weather forecasts,
entertainment, and location services,
provided by your SIM card. This option is
available when you use a SIM card
supporting SIM Application Toolkit
menus.
To communicate with answering
machines or computerised telephone
systems, Send keys must be selected.