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Result Codes
In command mode your modem can send responses called result codes to your com-
puter. Result codes are used by communications programs and can also appear on
your monitor.
Terse
0
1
2
3
4
5
6
7
8
10
11
12
13
14
24
25
26
40
55
56
57
58
59
60
70
71
72
73
74
75
76
77
78
79
80
81
82
88
89
*
EC is added to these result codes when the extended result codes configuration option is enabled. EC is re-
placed by one of the following codes, depending on the type of error control connection:
V42bis —V.42 error control (LAP-M) and V.42bis data compression
V42 —V.42 error control (LAP-M) only
MNP5 —MNP 4 error control and MNP 5 data compression
MNP4 —MNP 4 error control only
NoEC —No error control protocol).
4 AT Commands, S-Registers, and Result Codes
Verbose
OK
CONNECT
RING
NO CARRIER
ERROR
*
CONNECT 1200
NO DIALTONE
BUSY
NO ANSWER
*
CONNECT 2400
*
CONNECT 4800
*
CONNECT 9600
*
CONNECT 14400
*
CONNECT 19200
*
CONNECT 7200
*
CONNECT 12000
*
CONNECT 16800
*
CONNECT 300
*
CONNECT 21600
*
CONNECT 24000
*
CONNECT 26400
*
CONNECT 28800
*
CONNECT 31200
*
CONNECT 33600
*
CONNECT 32000
*
CONNECT 34000
*
CONNECT 36000
*
CONNECT 38000
*
CONNECT 40000
*
CONNECT 42000
*
CONNECT 44000
*
CONNECT 46000
*
CONNECT 48000
*
CONNECT 50000
*
CONNECT 52000
*
CONNECT 54000
*
CONNECT 56000
DELAYED
BLACKLISTED
Description
Command executed
Modem connected to line
Ring signal detected
Carrier signal lost or not detected
Invalid command
Connected at 1200 bps
No dial tone detected
Busy signal detected
No answer at remote end
Connected at 2400 bps
Connected at 4800 bps
Connected at 9600 bps
Connected at 14400 bps
Connected at 19200 bps
Connected at 7200 bps
Connected at 12000 bps
Connected at 16800 bps
Connected at 300 bps
Connected at 21600 bps
Connected at 24000 bps
Connected at 26400 bps
Connected at 28800 bps
Connected at 31200 bps
Connected at 33600 bps
Connected at 32000 bps, 56K rate
Connected at 34000 bps, 56K rate
Connected at 36000 bps, 56K rate
Connected at 38000 bps, 56K rate
Connected at 40000 bps, 56K rate
Connected at 42000 bps, 56K rate
Connected at 44000 bps, 56K rate
Connected at 46000 bps, 56K rate
Connected at 48000 bps, 56K rate
Connected at 50000 bps, 56K rate
Connected at 52000 bps, 56K rate
Connected at 54000 bps, 56K rate
Connected at 56000 bps, 56K rate
Delay is in effect for the dialed number
Dialed number is blacklisted
45
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