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DTMF (Dual-Tone Multi Frequency)
You send DTMF signals when you enter
numbers by pressing the digit keys.
Hands-Free
A feature that permits a driver to use a
wireless phone without lifting or holding
the handset an important safety feature for
automobiles, tractors and most other
motorized vehicles.
GSM
(Global System for Mobile Communication)
International standard for cellular
communication, guaranteeing compatibility
between the various network operators.
GSM covers most European countries and
many other parts of the world.
LCD (Liquid Crystal Display)
Commonly used to refer to the screen
display on the wireless phone.
LED (Light Emitting Diode)
Commonly used to refer to a small light on
the wireless phone or on the Desktop
Charger. The lights on the charger indicate
that battery charging is taking place.
PIN (Personal Identification Number)
Security code that protects the phone
against unauthorized use.
The PIN is supplied by the service provider
with the SIM card. It may be a four to eight-
digit number and can be changed, as
required.
OTHER FUNCTIONS
PUK (PIN Unblocking Key)
Security code used to unlock the phone
when an incorrect PIN has been entered
three times in succession. The eight-digit
number is supplied by the service provider
with the SIM card.
Roaming
Use of your phone when you are outside
your home area (when traveling for
example).
SIM (Subscriber Identification Module)
A card containing an integrated circuit. The
circuit contains the information about the
phone operation.
SMS (Short Message Service)
A network service sending and receiving
messages to and from other persons
without the need to call.
The incoming messages immediately appear
on the display, and you can edit, receive
and send the messages.
