Home > Electronics Tutorials > Online Computer Terms Dictionary > G

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.



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