Nokia 6081 User Manual page 75

Numeric mode
only numbers can be keyed in and displayed.
Password
a secret code used to control the barring services of the net-
work.
PIN
Personal Identification Number
PIN and PIN2 codes
secret codes used to control the use of the SIM card.
PUK
Personal Unblocking Key
PUK and PUK2 Codes
secret codes used to unblock the SIM card when it has been
blocked because an incorrect PIN/PIN2 code was used.
Roaming
the phone is using a network other than the home network.
Roaming is possible only if your home system and the host
system have a mutual roaming agreement
Security code
a secret code needed to access various features of the phone
SIM
the Subscriber Identity Module
SIM card
a smart card used in a phone containing all the subscriber
number information and additional information about the sub-
scriber. A SIM card is needed to use the phone
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