Modem Operation A-11
S registers
The Netopia ISDN Modem supports the S registers listed in the
following table. All S registers except S register 0 are the Netopia
ISDN Modem’s extended registers.
An asterisk next to an S register indicates the S register value is
stored in non-volatile memory and is not cleared or returned to the
default value if the Netopia ISDN Modem is powered down.
To define an S register value, use the following format: ATS?=XX, ?
represents the S register and XX is the desired S register setting.
\T Link inactivity timer
\T0 disables inactivity timer (default).
\Tn link inactivity timer in minutes. The ISDN
modem automatically disconnects the call if
no activity is sensed within

n

(n = 1–255)
minutes.
V Result code for mat
V0 enables short form result codes.
V1 enables long form result codes (default).
&W Stores the configuration of all S registers that are
not part of the ISDN modem’s initial configuration
set.
Z Reset. Disconnects all calls in pr ogress and
performs a complete ISDN modem system reset.
+++ Causes ISDN modem to enter the command state
if it is currently in the online state.
%V Displays Netopia ISDN Modem firmware version.
Command Description