Samsung S500 ユーザーズマニュアル

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Glossary
144
GPRS (General Packet Radio Service)
New non-voice value-added service that allows 
information to be sent and received across a mobile 
telephone network. GPRS guaranties continuous 
connection to the Internet for mobile phone and 
computer users. It is based on the Global System 
for Mobile Communication (GSM) circuit-switched 
cellular phone connections and the Short Message 
Service (SMS).
GSM 
(Global System for Mobile Communication)
International standard for cellular communication, 
guaranteeing compatibility between the various 
network operators. GSM covers most European 
countries and many other parts of the world.
IrDA
(Infrared Data Association)
A standard defined by the IrDA consortium. It 
specifies a way to wirelessly transfer data via 
infrared radiation. The IrDA specifications include 
standards for both the physical devices and the 
protocols they use to communicate with each other.
Multiparty Calling
Ability to establish a conference call involving 
additional parties.
PIN (Personal Identification Number)
Security code that protects the phone/SIM against 
unauthorised 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.
Glossary
145
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).
SIM (Subscriber Identification Module)
Card containing a chip with all the information 
required to operate the phone (network and 
memory information, as well as the subscriber’s 
personal data). The SIM card fits into a small slot on 
the back of the phone and is protected by the 
battery.
SMS (Short Message Service)
Network service sending and receiving messages to 
and from another subscriber without having to 
speak to the correspondent. The message created or 
received can be displayed, received, edited or sent.
Soft Keys
Two keys marked 
 and 
 on the phone, the 
purpose of which:
• varies according to the function that you are 
currently using
• is indicated on the bottom line of the display just 
above the corresponding key
Voice Mail
Computerised answering service that automatically 
answers your calls when you are not available, plays 
a greeting (optionally in your own voice) and 
records a message.