Call functions32When you hear a sound, such as a ringtone, youcan also adjust the earpiece volume. However, thevolume adjustment will not be permanent.Press the key to increase the volume level andthe key to decrease it.In idle mode with the folder open, you can adjustthe key tone volume using and keys.Note: When a call comes in, you can reject the call ormute the call ringer by pressing and holdingone of the volume keys, depending on the Sidekey option settings (Menu 9.8). For furtherdetails, see page 160.Accessing options during a callYour phone provides a number of control functionsthat you can use during a call.Using the loudspeakerYou can speak and listen to the phone from a shortdistance without holding the phone to your ear.