16To adjust the volume of voice during a callWhile a call is in progress, press the Navigationkey up or down to adjust the volume.To use the speakerphone featureDuring a call, press the Confirm key to activate1.the speaker.To switch back to the earpiece, press the2.Confirm key again.In noisy environments, you may have difficultyhearing the calls while using the speakerphonefeature. For better audio performance, use thenormal phone mode.To use the headsetBy plugging the supplied headset into themultifunction 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.
