LG U8380 User Guide - Page 149
Video call, Voice mail, Universal Subscriber Identity Module. An IC card
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Glossary 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. 147