AT Commands/Registers/Modem Messages
FP Modem-EU Technical Manual
Command Description
\Mn
Output of test signals, e.g. DTMF tones (during online mode)
A continuous tone output is generated
The modem is ready for more commands/ calls only after sending any character via RS232C to
the modem (see "
DTMF Alarm and DTMF Telecontrol" on page 40)
n=0 DTMF-TONE 0
n=1 DTMF-TONE 1
n=2 DTMF-TONE 2
n=3 DTMF-TONE 3
n=4 DTMF-TONE 4
n=5 DTMF-TONE 5
n=6 DTMF-TONE 6
n=7 DTMF-TONE 7
n=8 DTMF-TONE 8
n=9 DTMF-TONE 9
n=10 DTMF-TONE *
n=11 DTMF-TONE #
n=12 DTMF-TONE A
n=13 DTMF-TONE B
n=14 DTMF-TONE C
n=15 DTMF-TONE D
n=16 V21 CHANNEL 1 MARK 1650Hz
n=17 V21 CHANNEL 2 MARK 1650Hz
n=18 V23 BACKWARD MARK 390Hz
n=19 V23 FORWARD MARK 1300Hz
n=20 V22 ORG 1200Hz
n=21 V22BIS ORG 1200Hz
n=22 V32 ORG 1800Hz
n=23 V32BIS ORG 1800Hz
n=24 V22 ANS 2400Hz
n=25 V22BIS ANS 2400Hz
n=26 V32 ANS 1800Hz
n=27 V32BIS ANS 1800Hz
n=28 V21 CHANNEL 1 SPACE 1850Hz
n=29 V21 CHANNEL 2 SPACE 1850Hz
n=30 V23 BACKWARD SPACE 450Hz
n=31 V23 FORWARD SPACE 2100Hz
n=32 V27TER 2400 1800Hz
n=33 V27TER 4800 1800Hz
n=34 V29 1700Hz
n=35 OFF HOOK
n=36 2100 TONE
n=37 1300 CALLING TONE
n=38 1100 CALLING TONE
Note: These commands are actually intended to be used for test purposes.
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