Technical data

76
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 on page 49 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