Zte Axon User Manual page 81

Use Fixed Dialing Numbers
Fixed Dialing Numbers (FDN) allows you to restrict outgoing calls
to a limited set of phone numbers.
1. Touch the Home key >
Settings > Call settings.
2. Touch Fixed Dialing Numbers and the following options are
available.
Enable FDN: Input the PIN2 code to enable the FDN
feature.
Change PIN2: Change the PIN2 code for FDN access.
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 nano-SIM card
locked. Contact the service provider for assistance.
Set TTY Mode
The phone is a TTY compatible device. A TTY device can allow
people who have hearing or speech disabilities to communicate
by telephone. Simply connect the TTY device to the phone's
headset jack.
Select a TTY mode for your phone to work with a TTY device, or
turn TTY off.
1. Touch the Home key >
Settings > Call settings > TTY mode.
> (in the top search field) >
> (in the top search field) >
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