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DTMF
Master Reset
Master Clear
Your phone can send a
number to the network as
dual tone multi-frequency
(DTMF) tones. DTMF tones
are used to communicate
with automated systems
that require you to enter a
number such as a code,
password, or credit card
number. Use this option to
set DTMF tones on or off.
Reset all options back to
their original factory settings
except for the unlock code,
security code, and lifetime
timer.
Reset all options back to
their original factory settings
except for the unlock code,
security code, and lifetime
timer, and clear all user
settings and entries.
Note: This option erases all
user-entered information
stored in your phone's
memory, including
phonebook and datebook
entries. Once you erase the
information, it cannot be
recovered.
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