In Call Options - Samsung Galaxy S4 mini User Manual

In Call Options

Your device provides a number of features that are available for use
during a call.
Personalized
call sound
Dialer
Noise
Reduction
Adds a
new call
Activates or
Deactivates
speakerphone
Mutes or Unmutes
the call
Call Functions and Contacts List
Call duration
Places a
call on hold
Extra volume
Ends the
call
Activates or
Deactivates
Bluetooth
Headset
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