Use At Commands - Siemens SINAUT MD720-3 System Manual

SINAUT MD720-3 in Terminal Mode
4.6

Use AT commands

Syntax
The AT command language is a standard for controlling modems. It is line-
orientated. Each command line begins with AT (for ATtention), followed by the
actual command, and ends with (Enter key).
Example:
means:
There are only two exceptions to this rule:
The command
A/ with which the last command line is repeated.
Command phase, Transparent phase
The device accepts AT commands only when it is in Command Phase.
It is in Command Phase,
•
when there is no active connection,
•
when the sequence Pause +++ has been entered during a connection.
The device does not accept AT commands when it is in Transparent Phase.
It is in Transparent Phase,
•
when there is an active connection,
•
when the device has been switched to Command Mode during an active
connection with +++ and then switched back to Transparent Mode with ATO.
Enabling/disabling local echo
To see your entries on the screen, you may have to enable the local data echo. To do
so, enter the following command: ATE1
To disable the local data echo, enter the following command: ATE0
28
ATD444444¬
dial (D for Dial) 444444
+++
to switch to Command Phase (see below) and the command
SINAUT MD720-3
C79000-G8976-C211