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Short Form
+F4
+FCERROR
0
OK
1
CONNECT
2
RING
3
NO CARRIER
4
ERROR
5
CONNECT 1200
6
NO DIALTONE
7
BUSY
8
NO ANSWER
9
CONNECT 600
10
CONNECT 2400
11
CONNECT 4800
12
CONNECT 9600
13
CONNECT 7200
14
CONNECT 12000
15
CONNECT 14400
16
CONNECT 19200
17
CONNECT 38400
18
CONNECT 57600
19
CONNECT 115200
20
CONNECT 230400
22
CONNECT 75TX/1200RX
23
CONNECT 1200TX/75RX
24
DELAYED
32
BLACKLISTED
33
FAX
35
DATA
40
+MRR: 300
44
+MRR: 1200/75
45
+MRR: 75/1200
46
+MRR: 1200
47
+MRR: 2400
48
+MRR: 4800
49
+MRR: 7200
50
+MRR: 9600
51
+MRR: 12000
52
+MRR: 14400
53
+MRR: 16800
54
+MRR: 19200
55
+MRR: 21600
56
+MRR: 24000
57
+MRR: 26400
58
+MRR: 28800
59
CONNECT 16800
61
CONNECT 21600
62
CONNECT 24000
3-14
Command Reference Manual
Table 3-1. Result Codes
Long Form
n Value in ATXn Command
0
1
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
x
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
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
1
x
x
1
x
x
1
x
x
Notes
3
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
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
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
1199
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