The Speaker button now appears as and thespeakerphone is activated.2. Use the Volume keys (located on the left side of yourphone) to adjust the volume.3. To deactivate the speakerphone, tap Speaker .Switching off the Microphone (Mute)You can temporarily switch your phone’s microphone off, so2. The phone will scan for your Bluetooth headset. Whenfound, connect to the headset.The Headset button now appears as and theBluetooth headset is activated.3. Tap Headset to deactivate the Bluetooth headsetand reactivate the phone speaker.Searching for a Number in Address Book