Call Waiting; Options During A Voice Call - Nokia 6555 User Manual

To decline an incoming call, press the end key or close the phone. To reject
an incoming call when the phone is closed, press and hold a volume key.
To mute the ringing tone, press a volume key when the phone is closed, or
select Silence when the phone is open.

Call waiting

To answer the waiting call during an active call, press the call key. The first
call is put on hold. To end the active call, press the end key.
To activate the Call waiting function, see "Call," p. 62.

Options during a voice call

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Many of the options that you can use during a call are network services.
For availability, contact your service provider.
During a call, select Options and from the following:
Call options are Mute or Unmute, Contacts, Menu, Lock keypad, Record,
Loudspeaker or Handset.
Network services options are Answer or Decline, Hold or Unhold, New call,
Add to conference, End call, End all calls, and the following:
Touch tones — to send tone strings
Swap — to switch between the active call and the call on hold
Transfer calls — to connect a call on hold to an active call and
disconnect yourself
Conference — to make a conference call of up to five persons
Private call —to discuss privately in a conference call
Warning: Do not hold the device near your ear when the loudspeaker is in
use, because the volume may be extremely loud.
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