At Command Summary - Multitech MultiModem DSVD MT5600DSVD User Manual

MultiModemDSVD User Guide

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.
E Key
NTER
n/a
Press the E or R
NTER
A Answer
n/a
Answers an incoming call before the final ring.
A/ Repeat Last Command
n/a
Repeats the last command string. Do not precede this com-
mand with AT. Do not press E
B n
Communication Standard Setting
n = 0 or 1
1
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.
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
Dials telephone number s, where s may 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, 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. Affects current
and subsequent dialing.
T Select tone-dialing until a P is encountered. Affects current
and 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 register S8.
key to execute most commands.
ETURN
to execute.
NTER
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