Voice commands – Multi-Tech Systems MT5600DSVD User Manual

Page 44

MultiModemDSVD User Guide

4 AT Commands, S-Registers, and Result Codes

Command: $SBn

Serial Port Baud Rate

Values:

n = speed in bits per second

Default:

57600

Description: $SB300

Set serial port to 300 bps.

$SB1200

Set serial port to 1200 bps.

$SB2400

Set serial port to 2400 bps.

$SB4800

Set serial port to 4800 bps.

$SB9600

Set serial port to 9600 bps.

$SB19200

Set serial port to 19200 bps.

$SB38400

Set serial port to 38400 bps.

$SB57600

Set serial port to 57600 bps.

$SB115200 Set serial port to 115200 bps.
$SB230400 Set serial port to 230400 bps.

Note:

See also the L5 command.

Command: +++AT Escape Sequence
Values:

n/a

Description:

Puts the modem in command mode (and optionally issues a
command) while remaining online. Type +++AT and up to ten
command characters, then press ENTER. Used mostly to issue
the hang-up command: +++ATH.

Voice Commands

The MultiModemDSVD uses DSVD technology to achieve simultaneous voice and
data operation over a telephone line. Establishing a DSVD connection is like estab-
lishing a regular data modem connection. Initiate the call to another DSVD modem
using normal dialing (ATD) and answering (ATA) procedures. The modem can
switch from a regular phone conversation into DSVD mode and back to phone con-
versation. A headset or microphone/speaker can be used for voice communication
during DSVD mode.

Command: -SMS=n Data/DSVD Mode
Values:

n = 0, 1, or 3

Default:

Description: -SMS=0 Data mode.

-SMS=1 DSVD mode.
-SMS=3 Automatic mode select (data/DSVD)

Note:

DSVD mode can be enabled by either the -SSE=1 or the

-SMS=1

command, and disabled by either -SSE=0 or -SMS=0.