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AT Command Reference
8.1
AT Messages
List of message numbers and messages texts depending on the command
ATX.
Message no.
short form
+F4
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
22
23
24
32
33
35
40
44
45
46
47
48
49
50
48
Message text in long form
+FCERROR
OK
CONNECT
RING
NO CARRIER
ERROR
CONNECT 1200
NO DIAL TONE
BUSY
NO ANSWER
CONNECT 600
CONNECT 2400
CONNECT 4800
CONNECT 9600
CONNECT 7200
CONNECT 12000
CONNECT 14400
CONNECT 19200
CONNECT 38400
CONNECT 57600
CONNECT 115200
CONNECT 230400
CONNECT 75TX/1200RX
CONNECT 1200TX/75RX
DELAYED
BLACKLISTED
FAX
DATA
CARRIER 300
CARRIER 1200/75
CARRIER 75/1200
CARRIER 1200
CARRIER 2400
CARRIER 4800
CARRIER 7200
CARRIER 9600
ATX<0>
ATX<1>
ATX<2>
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1
X
X
3
3
X
3
3
3
1
X
X
1
X
X
1
X
X
1
X
X
1
X
X
1
X
X
1
X
X
1
X
X
1
X
X
1
X
X
1
X
X
1
X
X
X
X
X
1
X
X
1
X
X
4
4
4
4
4
4
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
i-modul Modem 336 LL
ATX<3>
ATX<4>
X
X
X
X
X
X
X
X
X
X
X
X
X
X
3
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
4
X
4
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
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