Zte Grand S Flex - Set Dtmf Tones; Set Speed Dials

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1. Touch the Home Key > > Menu Key > Settings > TTY
mode.
2. Touch TTY Off to turn the feature off, or touch TTY Full, TTY
HCO, or TTY VCO to select a mode for your phone to work
with the teletypewriter. Consult your teletypewriter
manufacturer’s manual if necessary.
Set DTMF Tones
You can set the length of Dual-tone multi-frequency (DTMF)
signal tones.
1. Touch the Home Key > > Menu Key > Settings >
DTMF tones.
2. Touch Normal or Long.
Set Speed Dials
You can touch and hold the 1 ~ 9 key from the dialer to call the
corresponding speed dial number.
The number key 1 is reserved to speed dial your voicemail.
To assign a speed dial key:
1. Touch the Home Key > > Menu Key > Settings >
Speed dial.
2. Touch a speed dial key.
3. Enter a phone number or select one from the contact list.
4. Touch OK.