Zte BLADE A3 User Manual page 40

Call blocking: Allows you to block calls and messages

from certain numbers.
Voicemail: Touch Voicemail for the following options:

–
Touch Notifications to configure the settings you
want, and then press the Back key when you're
finished.
–
Touch Advanced Settings and select an option:
 Touch Setup to view the voicemail number.
Accessibility: Touch and select an option:

–
TTY mode: Touch to enable TTY feature.
–
Hearing aids: Touch to turn on hearing aid
compatibility.
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