26Section 3Once you have stored a number in the Phonebook, youcan dial it by pressing a few keys. You can also assign yourmost frequently-used numbers to number keys using theSpeed Dial feature.For further details about the Phonebook feature, see"Section 6: Understanding Your Phonebook" on page 55.Adjusting the Call VolumeDuring a call, if you want to adjust the earpiece volume,use the Volume keys on the left side of the phone.Press the key to increase the volume level and the keyto decrease the level.In Idle mode, you can also adjust the Ring volume usingthese keys.