Acer extensa-7x0

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Advanced Data Addendum 
MTC Data/FAX
December 4, 1996 
AT Command Set
Lucent Technologies Inc. 
25
AT FAX Commands Reference
+FCLASS?
Service Class Indication
This command causes the modem to display the current setting.  The modem can operate either as a Class 0 data
modem or a class 1 FAX modem.
Typical responses:
+FCLASS?
000 if in data mode; 001 if in FAX class 1, 008 if in voice mode, and 080 if in
VoiceView
 mode.
+FCLASS=?
Service Class Capabilities
This command causes the modem to display the classes it supports.
Typical responses:
+FCLASS = ?
0, 1, 8, 80
+FCLASS=n
Service Class Selection
This command sets the modem for class n operation, where n is either a 0 or 1.
Parameters:
0, 1, 8, 80
Default:
0
Command options:
+FCLASS = 0
Select data mode.
+FCLASS = 1
Select Facsimile Class 1.
+FCLASS = 8
Select voice mode.
+FLCASS = 80 Select 
VoiceView mode.
+FTS=<n>
Transmission Silence
This command causes the modem to stop transmitting data and pause for 10 * n ms.  At the end of this period, the
modem then responds OK.  You can specify any number from 0 through 255 as the value of n; for example, a
value of 5 specifies a period of 50 ms.
n = 0
255 (10 ms intervals)
+FRS=<n>
Receive Silence
This command causes the modem to listen and wait for a 10 * n ms period of silence on the line.  At the end of this
period, the modem then responds OK.  You can specify any number from 0 through 255 as the value of n; for
example, a value of 5 specifies a period of 50 ms.
n = 0
255 (10 ms intervals)
 
VoiceView
 is a registered trademark of Radish Communications Systems, Inc.