Superior P910I 用户手册

GSM 1800 
Also known as DCS 1800 or PCN, this is a GSM digital network 
working on a frequency of 1800 MHz. It is used in Europe and 
Asia-Pacific.

GSM 1900
Also known as PCS. Refers to a GSM system running in the 
1900 MHz band. Used in the USA and Canada, for instance.

HSCSD
High-Speed Circuit-Switched Data (HSCSD) is circuit-switched 
wireless data transmission for mobile users at data rates of up to 
64 kbps.

HTML
Hypertext Markup Language is the set of markup symbols or 
codes inserted in a file intended for display on a World Wide 
Web browser page. The markup tells the Web browser how to 
display a Web page's words and images.

HTTP
HyperText Transfer Protocol. The communications protocol 
used to connect to servers on the World Wide Web. Its primary 
function is to establish a connection with a Web server and 
transmit HTML pages to the client browser. 

IMAP4
Internet Message Access Protocol (the latest version is IMAP4) 
is a standard client/server protocol for accessing email from 

your local server. The email is received and held for you by your 
IMAP server. You (or your client email receiver) can view just 
the heading and the sender of the letter and then decide whether 
to download the mail.

IrDA
The Infrared Data Association is dedicated to developing 
standards for wireless, infrared transmission systems between 
devices. With IrDA ports, a device such as your P910i can 
exchange data with other devices without a cable connection. 
IrDA requires line-of-sight transmission.

ISDN
Integrated Services Digital Network. Communication protocol 
offered by phone companies that permits phone networks to 
carry data, voice, and other source traffic. Selecting ISDN for 
CSD/HSCSD connections provides quicker call setup.

ISP
Internet Service Provider. An organization that provides access 
to the Internet.

JFIF
JPEG File Interchange Format.

JPEG
Joint Photographic Experts Group, best known for the .JPG 
format for still image compression.