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USING YOUR Z723EL
Use TTY Mode
Your Z723EL is compatible with TTY devices. A TTY device can allow people
who have hearing or speech disabilities to communicate by telephone.
To set the TTY mode or turn TTY support o, dial *983*889*n# on your
connected phone, replacing n with one of the following numbers:
• Replace n with 0 for TTY O mode. Users who can hear and talk can turn
o TTY support.
• Replace n with 1 for TTY Full mode. Users who cannot talk or hear can use
this mode to send and receive text messages through a TTY device.
• Replace n with 2 for VCO mode. Users who can talk but cannot hear can use
this mode to talk through the phone and receive responses via text messages.
• Replace n with 3 for HCO mode. Users who can hear but cannot talk can use
this mode to listen to calls and respond via text messages.
Use Advanced Settings
COMMAND DESCRIPTION
*983*3284# Reset your device to factory settings.
*983*238*xx#
Set the auto-dialing time. Replace xx with a number
indicating the desired time in seconds, from 4 through 12.
The default time is 4 s.
*983*338*xx#
Set the ash diagnostic time. Replace xx with a number
indicating the desired time in milliseconds, from 200
through 1200. The default time is 700 ms.
*983*808*n#
Set the data transmission mode for Caller ID. Replace n
with 0 for FSK or 1 for DTMF. The default mode is FSK.
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