PreferenceSpecifiers Type PSToggleSwitchSpecifier Title Send inband DTMFs Key rfc_dtmf_preference DefaultValue Type PSToggleSwitchSpecifier Title Send SIP INFO DTMFs Key sipinfo_dtmf_preference DefaultValue Key incoming_call_timeout_preference Title Incoming call timeout Type PSTextFieldSpecifier AutocapitalizationType None AutocorrectionType No KeyboardType NumberPad DefaultValue 30 IASKTextAlignment IASKUITextAlignmentRight Key in_call_timeout_preference Title In call timeout Type PSTextFieldSpecifier AutocapitalizationType None AutocorrectionType No KeyboardType NumberPad DefaultValue 0 IASKTextAlignment IASKUITextAlignmentRight Key voice_mail_uri_preference Title Voice mail URI AutocapitalizationType None AutocorrectionType No DefaultValue IsSecure Type PSTextFieldSpecifier IASKTextAlignment IASKUITextAlignmentRight DefaultValue Key repeat_call_notification_preference Title Repeat call notification Type PSToggleSwitchSpecifier Key call_ringtone_preference Title Ringtone Type PSMultiValueSpecifier Titles Four hands together It's a game Notes of the optimistic Soft as snow Leaving a dream House Keeping Values four_hands_together.caf it_s_a_game.caf notes_of_the_optimistic.caf soft_as_snow.caf leaving_a_dream.caf house_keeping.caf Key preview_ringtone_button Title Listen ringtone Type IASKButtonSpecifier