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Online Computer Terms Dictionary - G

G4 ==>

Group 4

<protocol, compression> (G4) The CCITT fax protocol which uses data compression and allows a variety of file types (e-mail, pictures, PostScript, etc.) to be transmitted over digital (ISDN) telephone lines.

The Group 4 protocol was published by CCITT in 1993. Full details of the protocol are available from ITU-T.

See also Group 3.

(1998-09-10)

 


Nearby terms: gronked group Group 3 Group 4 Group Code Recording group identifier Group Separator
 

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