
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