Samsung SGH-X426ZSAAWS - Manual (Page 163)

Glossary 159
Multiparty Calling
Ability to establish a conference call involving up to five
additional parties.
Phone Password
Security code used to unlock the phone when you have
selected the option to lock it automatically each time it
switches on.
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.
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 travelling for example).