Calling 67Use extra volume for callsWhen enabled, the call screen displays a volume control, foradjusting call volume during calls. From the Call Settings screen, touch Use extra vol. forcalls to enable or disable the option.Increase volume in pocketWhen enabled, the phone uses the proximity sensor to detectwhen the phone is in a pocket or other close-fitting locationsuch as a purse or bag, and increases the volume forincoming call ringtones. From the Call Settings screen, touch Increase volume inpocket to enable or disable the option.VoicemailConfigure options for voicemail. From the Call Settings screen, under Voicemail, thefollowing options are available:• Voicemail service: By default, the phone uses your wirelessservice provider’s voicemail service. If you have another optionfor voicemail installed, select it.• Voicemail settings: By default, the speed dial for callingvoicemail (speed dial 1) is set to your phone number. TouchVoicemail number if you want to set up another voicemailservice.• Ringtone: Choose sound to play for a voicemail notification.• Vibrate: Choose an option for vibration to play for a voicemailnotification.Other call settings From the Call Settings screen, under Other call settings,and configure the following options:• TTY mode: Choose a TTY mode to enable TTY mode, for usewith optional TTY equipment.• DTMF tones: Set the length of Dual-tone Multi-frequencytones, which play when you use the keypad during a call, suchas when navigating phone menus.