V.92 DIALUP 2-WIRE OR 4-WIRE LEASED-LINE DATA/FAX MODEM AT COMMANDS GUIDE
4
2. AT Commands
2.1 General Commands
Command:
AT
Attention Code
Values:
N/A
Description:
The attention code precedes all command lines except A/ and the
escape sequence.
Command:
Enter Key
Values:
N/A
Description:
Press the
Enter
or
Return
key to execute most commands.
Command:
A
Answer
Values:
N/A
Description:
Answers an incoming call before the final ring.
Command:
A/
Repeat Last Command
Values:
N/A
Description:
Repeats the last command string. Do not precede this command with
AT. Do not press
Enter
to execute.
Command:
B
n
Communication Standard Setting
Values:
n
= 0 or 1
Default:
1
Description:
B0: Selects ITU-T V.22 mode when the modem is at 300 or 1200 bps.
B1: Selects Bell 212A when the modem is at 300 or 1200 bps.
Command:
D
s
Dial
Values:
s
= dial string (phone number and dial modifiers)
Default:
None
Description:
Dials telephone number
s
, where
s
may be up to 40 characters long and
include the following dial string modifiers.
0–9
Digits 0 through 9.
*
The “star” digit (tone dialing only).
#
The “pound” digit (tone dialing only).
A–D
A, B, C, D tone digits. Country specific; some countries may
prohibit these digits.
L
Redials last number. (Must be placed immediately after ATD.)
P
Selects pulse dialing until a T is encountered. Affects
current/subsequent dialing.
T
Select tone dialing until a P is encountered. Affects current/
subsequent dialing.
W
Wait for a new dial tone before continuing to dial. (X2 or X4
must be selected.)
,
Pause during dialing for time set in S-Register S8.
;
Return to command mode after dialing. (Place at end of dial
string.)
Summary of Contents for MD1650A-JP
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