Settings 101Sound & displayChange the settings for various sounds on your device andfor the display.Silent mode• : Activate the silent mode to mute allsounds except media sounds and alarm ringtones.Ringer volume• : Adjust the volume level for the callringtone and notification ringtone.Media volume• : Set the default volume for music andvideos.System volume• : Set the default volume for touchfeedback sound and power-on/off sound.Voice call ringtone (CDMA)• : Select a ringtone to alertyou to incoming voice calls in a CDMA network.Voice call ringtone (GSM)• : Select a ringtone to alert youto incoming voice calls in a GSM network.Phone vibrate• : Set the device to vibrate to alert you toincoming calls.International prefix›Set prefix numbers for international call services andactivate one to use.Fixed Dialing Numbers›Enable FDN• : Activate or deactivate FDN mode to restrictcalls to numbers in the FDN list. You must enter the PIN2supplied with your SIM or USIM card and reboot thedevice.Change PIN2• : Change the PIN2, which is used to protectthe primary PIN.FDN list• : Set up a list of contacts for fixed dialling.Voicemail›Voicemail service• : Select your service provider or setanother provider to receive voice mails.Voicemail• : Enter the number to access the voice mailservice. You can obtain this number from your serviceprovider.