NotforCommercialUse
EricssonMobileCommunicationsAB
Glossary 81
PIN2
PersonalIdentification Number2 – an authorization code which is used only
forspecial servic es.
PUK
PersonalUnblocking K ey – used to unlock a blocked SIM card. This comes
withyour subscription.
Roaming
Withinyour home network , this means that your mobile phone automatically
setsup communication procedures with differentradio base stations when on
themove.
Semi-Duplex
Inhandsfree equip ment, full duplex means that the connection is open for
bothparties to talk sim ultaneously.Semi -duplex gives close to, but not com-
plete,duplex func tionality.
ServiceProvider
Acompany that provide sse rvices and subscriptions to mobile phone users.
Scroll
Theword “ scroll” in this manual means pre ssing the left or right arrow key to
movebetween the me nus.
Select
Theword“select”inthismanualmeansscrollingtoamenuorfunctionthen
pressingthe YES key.
ShortMessage Service
(orSMS) allows messages of up to 160 charactersto be sent and received via
thenetwork operato r's message centre to your mobile phone. Messages are
storedif the phone is off or out of reach e nsuring that they reach you. To use
thisserv ice, it must be supported by your networ k.
SIMcard
SubscriberIdenti tyM odule card – a card that must be inserted in any GSM-
basedmobile phone .I tc ontains subscriber details, security information and
memoryfor a person al directory of numbers. The card can be a small plug-in
typeor credit card sized but both types havethe same functionality.
SMS
See“Short Message Service”.