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MultiModemISDN User Guide
AT Commands by Function

Command Implementation

AT Attention code
Return Command execution
+++AT<cr> In-band escape code
<break>AT<cr> Out-of-band escape code

Switch Configuration

%A97 Dialing method
!C0 Switch type
!C6 Data SPID
*!C6 Voice SPID
!D3 SAPI-0 data TEI
*!D3 SAPI-0 voice TEI
!L List DN, SPID, TEI, Data protocol & switch type
>Dn Embedded Protocol Analyzer
!DNn Disable Data DN/MSN n
*!DNn Disable Voice DN/MSN n
!ENn Enable Data DN/MSN n
*!ENn Enable Voice DN/MSN n
!N1 Data DN/MSN 1
!N2 Data DN/MSN 2
*!N1 Voice DN/MSN
!RXG Receive gain
!TXG Transmit gain
!Z=n Rate adaptation protocol

USB Port Configuration

En Command mode echo
L List telephone numbers
L5 List current operating parameters
L6 List S-register values
L8 Display ISDN status
Qn Status displays
Sr=n Set S-register
Sr? Read S-register
Vn Terse/verbose result codes
Xn Connect messages
Zn Restore parameters to current power-up profile
&Cn DCD (Data Carrier Detect) control
&Dn DTR (Data Terminal Ready) control
&En Flow control
#Xn Send Single Multiple Xoff Characters
&Fn Load quick setup factory profile
&Mn Asynchronous/Synchronous mode
&Rn CTS (Clear To Send) control
&Sn DSR (Data Set Ready) control
&Wn Store active profile
&Zn= Store telephone number
&Jn Automatic Channel Bundling
$Dn Persistent DTR dialing
%En Escape sequence options