AT-command responses

Depending on the response code format that is selected by the ATV command, the result code can be delivered as plain text message (direct form) or as numeric code.

The format of the plain text CONNECT command response can be controlled by the AT\V command.

Command responses

Meaning	Direct form	Numeric form
Command accepted	OK	0
CONNECT 300 bps	CONNECT, CONNECT 300	1
Ring indication	RING	2
Carrier lost, switched back to command mode	NO CARRIER	3
Invalid command, command was not accepted	ERROR	4
CONNECT 1200 bps	CONNECT, CONNECT 1200	5
Dial attempt failed (L1 error, L2 error, no free B-channel)	NO DIALTONE	6
Opposite side has rejected the call or is busy	BUSY	7
No equipment on the opposite side has answered the call	NO ANSWER	8
Successful connect to the opposite side	CONNECT, CONNECT + speed and norm. Depends on AT\V	9

See AT-command set for more information on these commands.

If you select the numeric response format (ATV0), CONNECT will be indicated in numeric form in accordance with the numeric CONNECT responses as described in the table below.

Numeric CONNECT responses

Connection speed	Numeric response
14400	9
1200	10
2400	11
4800	12
9600	13
19200	14
38400	15
48000	16
56000	17
64000	18
11111	19
75	20
110	21
150	22
300	23
600	24
2400	26
4800	27
7200	28
9600	29
12000	30
14400	31
16800	32
19200	33
21600	34
24000	35
26400	36
28800	37
31200	38
33600	39
36000	40
38400	41
40800	42
43200	43
45600	44
48000	45
50400	46
52800	47
55200	48
56000	49
57600	50
60000	51
62400	52
64000	53
28000	54
29333	55
30666	56
32000	57
33333	58
34666	59
37333	60
38666	61
40000	62
41333	63
42666	64
44000	65
45333	66
46666	67
49333	68
50666	69
52000	70
53333	71
54666	72