
Confidential and Proprietary Information of ZTE CORPORATION 43
C h a p t e r
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Glossary
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.
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).
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.
Multimedia Message Service (MMS)
— 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 E-mail addresses.
Roaming
— Use of your phone when you are outside your home area, when travelling for example.
(U)SIM
— (Universal) Subscriber Identity Module. Your (U)SIM is provided by network provider. It
carries the authentication and service grade data for the network as well as user-specific data such as
contacts and SMS.
Video call
— A communication service that enables users to communicate with video and sound instead
of only sound. Video calling is only supported by 3G networks.
Voice mail
— An answering service that automatically answers your calls when you are not available.
Others can leave either voice messages for you with this service.
Summary of Contents for F870E
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