Philips Savvy Dual Band Mobile Phone - Manual (Page 5)

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DTMF Dual Tone Multi Frequency
The tones are transmitted by the phone to the
network. They are used to interrogate answering
machines, transmit codes,...
GSM Network Global System for Mobile communications. The type
of phone network used by your phone.
PIN Code Personnal Identification Number, this is the secret
code of the SIM Card. If you, or someone else,
enters the wrong PIN code three times your SIM
card is blocked. If this happens, please contact
your service provider.
PIN2 Code Secret code that allows you to access certain SIM
card dependent features. If you, or someone else,
enters the wrong PIN2 code three times your SIM
card is blocked. If this happens, please contact
your service provider.
PUK Code Secret code used to unblock your SIM card if you,
or someone else, enters the wrong PIN code three
times. This code will be given to you by your
service provider.
Roaming Using your phone in a network other than your
home network in your country or abroad.
SIM card Subscriber Identification Module. This card which is
provided by your GSM service provider allows you
to make phone calls with your GSM phone. Your
phone number is contained inside the card.
SMS Short Messages Service. This service provided by
the operator allows you to send and receive short
written messages (Maximum : 160 characters).
G
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