Modem Operation
A-11
S registers
The Netopia ISDN Modem suppor ts 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 memor y 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 format
V0
enables shor t form result codes.
V1
enables long form result codes (default).
&W
Stores the configuration of all S registers that are
not par t of the ISDN modem’s initial configuration
set.
Z
Reset. Disconnects all calls in progress and
per forms 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
