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TTY Mode
A TTY (teletypewriter, also known as a TDD or Text Telephone) is a telecommunications device
that 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 your
TTY device to ensure that it supports digital wireless transmission. Your phone and TTY device
will connect using a special cable that plugs into your phone’s headset jack. If this cable was not
provided with your TTY device, contact your TTY device manufacturer to purchase the
connector cable.
1. Press and touch > Settings > My device tab > Call.
2. Touch TTY mode to choose a mode: TTY Off, TTY Full, TTY HCO, or TTY VCO.
Hearing Aids
Enable hearing aid compatibility.
1. Press and touch > Settings > My device tab > Call.
2. Touch Hearing aids to enable the setting.
DTMF Tones
Set the length of Dual-tone Multi-frequency (DTMF) tones, which play when you use the keypad
during a call, such as when navigating menus.
1. Press
and t
ouch > Settings > My device t
ab > Call.
2. Touch DTMF tones to choose a tone
length: Normal or Long.
Voicemail Settings
Set options for voicemail.
1. Press and touch > Settings > My device tab > Call.
2. Touch Voicemail settings to configure options.
Voice Privacy
When enabled, Voice privacy improves the security of voice calls.
1. Press and touch
> Settings > My device tab > Call.
2. Touc
h Voice privacy to enable the setting.
Settings 160
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