Table of Contents
Advertisement
Description of AT Commands
Hayes Commands
The Hayes command set (AT commands) has over time developed into an industry
standard among modem manufacturers. In addition to these, manufacturers use their
own modem commands that are specific to the brand. Some of these commands are
not compatible with modems of other manufacturers.
ATA Call accept
This command makes the modem go off-hook to connect to the calling remote modem.
If no signal is recognised after a specified time, the modem hangs up again.
Dialling function.
ATD
ATDipaddress
ATDP and ATDT are suppressed and executed as ATD
P = pulse dial, T= tone dial
ATD192.109.223.4
ATDP192.109.223.4
ATDT192.109.223.4
Activates/deactivates command echo:
ATE
ATE0 echo off
ATE1 echo on
Makes modem go on or off hook.
ATH
ATH0 modem hangs up (goes on-hook), the connection is broken off.
(Only possible in command mode)
ATH1 modem goes off hook (identical function to ATO).
Assigns the modem a name
ATN
A device name can be assigned to the modem (up to 20 characters, is
stored in capital letters).
ATN=name
ATN?
SIEMENS AG
ATD192,109,223,4
ATDP192,109,223,4
ATDT192,109,223,4
Assigns a device name
Reads out a device name
Page 51 of 79
Manual 7XV5655-0BB00
C53000-G1176-C175-3
Advertisement
Table of Contents
