T.4 Fax Modem Protocol

T.4 Fax modem protocol

GAO's T.4 software implements ITU-T T.4 Recommendation, which defines the characteristics of Group3 facsimile terminals that enable black and white documents and also optionally color documents to be transmitted on the general switched telephone network, international leased circuits and the Integrated Services Digital Network (ISDN). GAO's T4 software will work with T.30 and V series standards to enable two fax modems communicate with each other.

For information on Fax Relay, please see GAO's Fax Relay Software.

T.4 Fax modem protocolT.4 Product Sheet Printable PDF Version

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