Using The Headset - Samsung SGH-E820T Manual

Using the loudspeaker
You can speak and listen to the phone from a short
distance without holding the phone to your ear.
You can turn on/off the loudspeaker by pressing the
Right soft key during a PTT call.
CAUTIONS: Do not hold the phone near to your
ear when you use the loudspeaker. Because the
volume may be extremely loud.

Using the headset

With the headset, you can make or answer a call
without holding the phone.
When you connect the headset to the jack at the
right side of the phone, the button on the
headset works as listed below:
To
redial the last call
answer a call
end a call
Note: If you use the headset during a PPT call, the
Voice options are set to the Headset option.
Press
the button twice in Idle Mode.
and hold the button when you
receive the call.
and hold the button when you
have finished the call.
Call functions
49