<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.

(01 Apr 1998)

ground water, group, group, Group 3 < Prev | Next > group agglutination, group agglutinin

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