[ 14 ]Adjust the earpiece volumeYou can adjust the earpiece volume (while in a call or at any time) bypressing the volume keys on the upper left side of the phone.• Press the key up to increase the volume.• Press down to decrease the volume.Redial the last-dialed numberTo redial the last-dialed number on your phone:1 If not there, return to the Start screen by pressing . Otherwise,proceed to step 2.2 Press two times.Use caller IDCaller ID is a network service that identifies incoming calls. Contact yourservice provider to find out how to get this feature.When Caller ID is active, your phone shows the caller’s phone numberduring an incoming call, as long as this number is a part of your serviceprovider’s wireless network.The wireless network lets you know if it doesn’t recognize the callingnumber. The wireless network will also let you know if the calling partyhas blocked the Caller ID feature.If you have stored the name and number of the calling party in your phonebook and that number is supported by the wireless network, the caller’sname might also appear.Get a strong signalYour phone operates on radio waves, and the quality of radio receptiondepends on the strength of the radio signal in your area. This radio coverageis maintained by a wireless network, and the quality of calls on a wirelessphone depends on the strength of the wireless radio signal.