LG U8290 User Manual page 235

Glossario
Roaming
Use of your phone when you are outside your home
area (when traveling for example).
SDN (Service Dial Number)
Telephone numbers supplied by your network provider
and giving access to special services, such as voice
mail, directory inquiries, customer support and
emergency services.
SMTP
Simple Mail Transfer Protocol. A protocol to transfer e-
mails between computers over the Internet. SMTP
defines the format of control messages between
computers, and interaction procedures between them
to send e-mails.
Sync
Sync means synchronizing PIM (Personal Information
Management) data such as contact information,
schedule, to-do, and memo with a PC or an external
server.
106
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.
SIM
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. SIM 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.