Technical overview, 1 dialing procedures, 2 at commands – Altec ISDN Socket Modem AL5068S-3V User Manual
Page 7

AL5068S Designer’s Guide
No. AL5068S-E00-105
Altec Electronic AG
Seite 7 / 25
2. TECHNICAL
OVERVIEW
2.1 Dialing procedures
The following dial procedures are supported:
• AT commands
• Auto-connect (Hotline call)
• X.3 PAD
2.2 AT
Commands
Via AT-Commands you may control the ISDN connections and change the
configuration of the AL5068S. ISDN specific configuration commands are
supported.
2.2.1 Configuration Commands
A range of parameters can be controlled by the configuration commands of
the AL5068S as listed below:
• Setting own msn number
• Recommended B channel protocol
• Serial Interface Parameters (baud rate, flow control, etc.)
• AT / Auto-connect operation mode
• Firmware download
2.2.2 AT Connection Commands
Command Function
Response
ATDxxx
Establishes an ISDN connection
CONNECT
ATH
Disconnects an ISDN connection
OK
Whenever the ISDN connection with a communication partner is established,
a transparent channel for serial data is provided.
A detailed description of the AT-Commands is found in the AT-Command
manual for the socket modem AL5068S.