ITU-T T.30 Fax

First published1980
Issuing bodyITU
DomainNetworking and Telecom
StatusLegacy, still supported in law and health care

About ITU-T T.30 Fax

The ITU recommendation that defines the handshake of Group 3 fax over telephone lines. It negotiated page size, transmission speed and error correction between machines. Though largely historic, facsimile remains legally embedded in health care and some courts, keeping the 1980 protocol alive.

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