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Host-Based Controller Modem Data Addendum
AT Command Set June 15, 1998
36 Version 1.0 Lucent Technologies Inc.
AT FAX Command Set (Class 1 FAX)
The Lucent Technologies modem supports FAX commands conforming to EIA standard 578. These commands
are given here with short descriptions; complete explanations are given in the standard, available from the
Electronic Industries Association.
Table 5. The AT FAX Command Set Summary
Command Description
+FCLASS? Service class indication
+FCLASS = ? Service class capabilities
+FCLASS = n Service class selection
+FTS = <n> Transmission silence
+FRS = <n> Receive silence
+FTM = <m> Transmit FAX data with <m> carrier
+FRM = <m> Receive FAX data with <m> carrier
+FTH = <m> Transmit HDLC data with <m> carrier
+FRH = <m> Receive HDLC data with <m> carrier
+FTM = ? Transmit FAX modulation
+FRM = ? Receive FAX modulation
+FTH = ? Transmit HDLC Data modulation
+FRH = ? Receive HDLC Data modulation
+FMI? Manufacturer Identification
+FMM? Product Identification
+FMR? Version/Revision Information
+FPR = <n> Set DTE-DCE Fax port rate
+FPR = ? Reports all fax port rate that DCE supports
+FPR? Reports the current fax port rate of DTE-DCE
+FAA = <n> Set DCE Adaptive answer mode
+FAA = ? Display valid adaptive answer values that DCE supports
+FAA? Display current set value of adaptive answer mode