Zte Z777 User Manual page 32

TTY mode
Hearing aids
DTMF tones
Speed dial
Call Barring
Settings
Call forwarding
Additional settings
Set up TTY mode for users with hearing or
speech difficulties.
Turn on or off hearing aid compatibility.
Set the length of dual-tone multi-frequency
(DTMF) signal tones.
Set speed dialing keys and numbers.
Forbid certain types of calls.
Forward your incoming calls to a different
number. And choose when to forward: Always
forward; Forward when busy; Forward when
unanswered, or Forward when unreachable.
Choose whether people you call can
Caller ID
see your number.
See new incoming calls while you're
Call waiting
on another call.
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