LG U8120 User Manual page 126

Glossary
network in real-time on users' demand.
Sync means synchronizing PIM (Personal Information Management) data such as contact information, schedule, to-do,
and memo with a PC or an external server.
Universal Mobile Telephony System. UMTS refers to asynchronous 3G wireless technology of WCDMA that is
developed based on GSM, the 2G wireless technology.
Universal Serial Bus. A bus type interface that provides fast and flexible connection between devices and a computer.
Universal Subscriber Identity Module. An IC card used for UMTS the shape of which is the same as that of the SIM card
of GSM. USIM is provided by network operator, and carries the authentication and service grade data for the network
operator as well as user-specific data.
A communications service that enables users to talk watching each other over a 64Kbps data channel. Real-time video
call service is a new type of service provided by WCDMA wireless communication system that is developed based on
GSM+GPRS technology.
Computerised answering service that automatically answers your calls when you are not available, plays a greeting and
records a message.
User Guide l l Glossary