LG KF700 User Manual page 131

UMTS
Universal Mobile Telephony System.
UMTS refers to asynchronous 3G wireless
technology of WCDMA that is developed
based on GSM, the 2G wireless
technology.
USB
Universal Serial Bus. A bus type interface
that provides fast and flexible connection
between devices and a computer.
USIM
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.
Video call
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.
Voice mail
Computerised answering service that
automatically answers your calls when
you are not available, plays a greeting
and records a message.
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