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C h a p t e r 18
Glossary
1.
2G
- Second Generation wireless communication system. 2G
system supports low quality voice and low-rate packet-data
service. 2G refers to GSM in European countries, and CDMA in
America.
2.
3G
- Third Generation wireless communication system. 3G is the
next generation wireless communication system that offers real-
time video streaming services and high-rate packet-data service.
3G is also known as UMTS (Universal Mobile Telephony System).
3.
Access point
- Access point refers to a point through which
users can connect to the network so that the users can use the
network services.
4.
MMS (Multimedia Message Service)
- A message service for
the handset environment, that allows videos, pictures, audio
files and text to be sent between phones and dependent on
network provider support, to email addresses
5.
Roaming
- Use of your phone when you are outside your home
area, when traveling for example.
6.
(U)SIM
- Universal Subscriber Identity Module. Your (U)SIM is
provided by service provider. It carries the authentication and
service grade data for the service provider as well as user-
specific data such as Contacts and SMS.