At Fax Command Set Descriptions - Compaq 244100-005 - Deskpro 2000 - 16 MB RAM White Paper

Compaq V.90 Integrated Modem Commands

AT FAX Command Set Descriptions

+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?
+FCLASS=? Service Class Capabilities
This command causes the modem to display the classes it supports.
Typical responses:
+FCLASS = ? 0, 1
+FCLASS=n Service Class Selection
This command sets the modem for class n operation, where n is either a 0 or 1.
Parameters:
Default:
Command options:
+FCLASS = 0 Select data mode.
+FCLASS = 1 Select Facsimile Class 1.
+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)
ECG021/1298
000 if in data mode; 001 if in FAX class 1.
0, 1
0
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