Set tty mode, Set dtmf tones – ZTE ZMAX User Manual
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Enable FDN: Input the PIN2 code to enable the FDN feature.
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Change PIN2: Change the PIN2 code for FDN access.
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FDN list: Manage the FDN list.
NOTE: The PIN2 code is provided by your carrier. Entering an incorrect
PIN2 code more times than allowed can get your micro-SIM card locked.
Contact the service provider for assistance.
Set TTY Mode
Select a TTY mode for your phone to work with a teletypewriter, or turn
TTY off.
1. Touch the
Home 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 > >
> Settings > DTMF tones.
2. Touch
Normal or Long.