Settings 147TTY ModeA TTY (teletypewriter, also known as a TDD or Text Telephone) is a telecommunications devicethat allows people who are deaf, hard of hearing, or who have speech or language disabilities,to communicate by telephone.Your phone is compatible with select TTY devices. Please check with the manufacturer of yourTTY device to ensure that it supports digital wireless transmission. Your phone and TTY devicewill connect using a special cable that plugs into your phone’s headset jack. If this cable was notprovided with your TTY device, contact your TTY device manufacturer to purchase theconnector cable.1. Press and tap > Settings > My Device tab > Call.2. Tap TTY mode to choose a mode: TTY Off, TTY Full, TTY HCO, or TTY VCO.Hearing AidsEnable hearing aid compatibility.1. Press and tap > Settings > My Device tab > Call.2. Tap Hearing aids to enable the setting.DTMF TonesSet the length of Dual-tone Multi-frequency (DTMF) tones, which play when you use the keypadduring a call, such as when navigating menus.1. Press and tap > Settings > My Device tab > Call.2. Tap DTMF tones to choose a tone length: Normal or Long.Voicemail SettingsSet options for voicemail.1. Press and tap > Settings > My Device tab > Call.2. Tap Voicemail settings to configure options.Voice PrivacyWhen enabled, Voice privacy improves the security of voice calls.1. Press and tap > Settings > My Device tab > Call.2. Tap Voice privacy to enable the setting.
