Motorola RAZR V3m Guia Del Usuario página 47

option
TTY Off
All TTY modes are turned off.
When your phone is in a TTY mode, it displays
the international TTY mode, the international
TTY symbol, and the mode setting, during an
active TTY call.
return to voice mode
To return to standard voice mode, select
TTY OFF from the TTY Mode menu.
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