Samsung GT-E2152 - Headset Button

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To use the speakerphone feature
During a call, press the Confirm key to activate 1.
the speaker.
To switch back to the earpiece, press the 2.
Confirm key again.
In noisy environments, you may have difculty
hearing the calls while using the speakerphone
feature. For better audio performance, use the
normal phone mode.
To use the headset
By plugging the headset into the multifunction jack,
you can make and answer calls:
To redial the last call, press and hold the •
headset button.
To answer a call, press the headset button.•
To end a call, press and hold the headset •
button.