The car SIM card is inserted in the SIM card reader in the Nokia
car kit phone.
DTMF tones
You can use DTMF (Dual Tone Multi-Frequency) tones to
communicate with voice mailboxes, computerised telephony
systems, etc. The tones can be selected by using the Navi wheel
number editor to scroll to the numbers 0-9.
GPRS
GPRS (General Packet Radio Service) enables wireless data
transmission. For wireless access to data networks, you will
need a GPRS access point from your network operator or service
provider. For further information, see “GPRS (General Packet
Radio Service)” on page 62.
GSM
GSM, the Global System for Mobile Communication, is the
technical standard for mobile radio networks.
HSCSD
HSCSD (High Speed Circuit Switched Data) makes data
connections faster for attractive GSM data services. For further
information, see “HSCSD (High Speed Circuit Switched Data)”
on page 62.
IMEI
The IMEI is the serial number of your device and is supplied with
the car kit phone.
PIN code
The PIN (Personal Identification Number) is a 4- to 8-digit code
which protects your SIM card from unauthorised use. The PIN
code is supplied with the SIM card. For further information, see
“Access codes required for the car SIM card” on page 14.
PUK code
The PUK (Personal Unblocking Key) is an 8-digit code which is
required to change a disabled PIN code.
The PUK code is supplied with the SIM card. If you lose the code
or it has not been provided with the SIM card, contact your
network operator.