Zte Z610DL User Manual page 79

NOTE: To unblock a number, go to the Call blocking menu,
tap to the right of the number, and tap UNBLOCK.
Setting TTY Mode
Your 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. Tap the Home Key >
Accessibility > TTY mode.
2. Select one of the following options. Consult your
teletypewriter manufacturer's manual if necessary.

TTY Off: Users who can hear and talk can disable TTY
support.

TTY Full: Users who cannot talk or hear may use this
mode to send and receive text messages through a TTY
device.

TTY HCO: Users who can hear, but cannot talk, may use
this mode to listen to the other party and respond via text
messages.

TTY VCO: Users who can talk, but cannot hear, may use
this mode to talk through the phone and receive
responses via text messages.
> > Settings >
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