At Command Summary - Multitech MultiModemDSVD User Manual

AT Command Summary

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4 AT Commands, S-Registers, and Result Codes
AT Attention Code
n/a
The attention code precedes all command lines except A/ and
the escape sequence.
ENTER Key
n/a
Press the E or R
NTER
A Answer
n/a
Answer an incoming call before the final ring.
A/ Repeat Last Command
n/a
Repeat the last command string. Do not precede this command
with AT. Do not press E
B n
Communication Standard Setting
n = 0 or 1
1
B0 Select ITU-T V.22 mode when the modem is at 300 or 1200 bps.
B1 Select Bell 212A when the modem is at 300 or 1200 bps.
C n Carrier Control
n = 1
1
C0 Transmit carrier always off. (Not supported.)
C1 Normal transmit carrier switching (included for backward
compatibility with some software).
D s Dial
s = dial string (phone number and dial modifiers)
none
Dial telephone number s, where s may up to 40 characters long
and include the following dial string modifiers. Spaces, paren-
theses, and hyphens are ignored.
0–9 Digits 0 through 9
* The "star" digit (tone dialing only)
# The "pound" digit (tone dialing only)
A–D A, B, C, and D tone digits. Country specific; some countries
may prohibit these digits.
L Redial last number. (Must be placed immediately after
ATD.)
P Select pulse-dialing until a T is encountered.
and subsequent dialing.
T Select tone-dialing until a P is encountered.
and subsequent dialing.
key to execute most commands.
ETURN
to execute.
NTER
Affects current
Affects current
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