ISDN Router Manual V.1.1
51
6.2.2 AT Command List
* means default setting
Command
Description
Value
Remark
ATA
Manual answer
Answer an incoming data call
ATD
Dialing
Dial the destination number
Max main address : 20 digits
Max sub-address : 5 digits
0-9
+
ATD 123
•
Dialing digits
•
Sub-address delimiter
ATDSn
Speed dialing
0-19
Speed dialing number
ATEn
Echo command
Define whether characters are echoed
back from the TA to the DTE within
command mode.
0
*1
•
No echo
•
Echo
ATH
Hang up
Hang up the connection
Type ATH during the
RING
will reject
the call
ATIn
Interrogate the TA product status
0
1
2
3
4
•
Display useful AT commands
•
Display modem configuration
•
Supported switch type
•
Software release date
•
Software version
ATL
Dialing the latest number
ATD4125678
Then ATDL will dial 4125678 again
ATO
Return to on-line state
Return from command mode to data
mode
ATQn
Return result codes select
Defines whether or not the TA will issue
result codes to the DTE
*0
1
•
result code returned
•
not returned
ATSn=x
Set S register
Change S register value
n
x
•
S register number
•
setting value
ATVn
Verbose mode
Defines the form of result codes returned
by the TA
0
*1
•
Numeric form responses enabled
•
Verbose responses enabled (English
responses)
ATWn
Connection message format select
Defines
the
type
of
(extended
)
negotiation result codes to return.
*0
1
•
Negotiation codes reported in 1
line format : (CONNECT)
•
3 line format (Hayes format )
(CONNECT xxx)
(PROTOCOL xxx)
(CARRIER xxx)
ATXn
Result code set select
Description Select the result code set.
*0
1
•
Data result codes 0-4 enabled
•
All supported data result codes
Enabled
ATZn
Reset/recall user profile
The user configuration stored in the non-
volatile memory is recalled to become the
active configuration.
0
1
•
Reset the TA and recall user profile
•
Reset the TA and load default value
(except stored dial number, own-
address, sub-address and
accumulated charge)
