Auto RetryEnable Auto retry to automatically redial the phone numberuntil it is connected.1. From the Settings screen, tap My deviceMy device My device ➔Call.2. Under Other call settings, tap Auto Retry toautomatcially redial a call if it receives a busy signalfrom the network.TTY ModeA TTY (teletypewriter, also known as a TDD or TextTelephone) is a telecommunications device that allowspeople who are deaf, hard of hearing, or who have speech orlanguage disabilities, to communicate by telephone.Your phone is compatible with select TTY devices. Pleasecheck with the manufacturer of your TTY device to ensurethat it supports digital wireless transmission.1. From the Settings screen, tap My deviceMy device My device ➔Call.2. Under Other call settings, tap TTY mode to choose amode: TTY Off, TTY Full, TTY HCO, or TTY VCO.Hearing AidsImpove the sound quality of your phone for use withhearing aids.1. From the Settings screen, tap My deviceMy device My device ➔Call.2. Under Other call settings, tap Hearing aids to enable thefeature.DTMF TonesSet the length of Dual-Tone Multi-Frequency tones whichplay when you use the keypad during a call, such as whennavigating device menus.1. From the Settings screen, tap My deviceMy device My device ➔Call.2. Under Other call settings, tap DTMF tones to select atone length.123
