Ericsson T39 At Command Reference page 169

AT+FRM
Description:
Set command:
Test command:
Test command
response:
Parameter:
<MOD>:
Example:
AT+FTH
Description:
Execution command:
Test command:
Test command
response:
Parameter:
<MOD>:
AT+FRH
Description:
Execution command:
Test command:
Test command
response:
Facsimile Receive
Starts reception of fax data at given speed.
AT+FRM=<MOD>
AT+FRM=? Shows if the command is supported.
(list of supported <MOD>s)
<MOD>
24
48
72
96
AT+FTM=24
CONNECT
OK
AT+FTM=?
(24,48,72,96)
OK
HDLC Transmit
Sets the HDLC transmit speed.
AT+FTH=<MOD>
AT+FTH=? Shows if the command is supported.
+FTH: (list of supported <MOD>s)
<MOD>
3
HDLC Receive
Sets the HDLC receive speed.
AT+FRH=<MOD>
AT+FRH=? Shows if the command is supported.
+FRH: (list of supported <MOD>s)
Modulation
Rec. V.27 ter
Rec. V.27 ter
Rec. V.29
Rec. V.29
Modulation
Clause 2/V.21
AT Commands Modem Terminated
Rate (bits/s)
2400
4800
7200
9600
Rate (bits/s)
300
167