Longshine LCS-8056C2 - Manual (Page 143)

Commands for Host-Processed Modems Reference Manual
100498E Conexant 5-11
+VIT - Voice Inactivity Timer (DTE/Modem)
This command sets the modem’s initial value for the DTE/modem inactivity timer.
Syntax
+VIT=<timer>
Defined Values
<timer> Decimal number(0 and 255) corresponding to the time in units of
1.0 second. A value of 0 disables the timer.
Reporting Current or Selected Values
Command: +VIT?
Response: +VIT: <timer>
Example: +VIT: 0 For the default setting.
Reporting Supported Range of Parameter Values
Command: +VIT=?
Response: +VIT: <timer> range
Example: +VIT: 0-255
Result Codes
OK <timer> = 0-255.
ERROR Otherwise, or if not in Voice Mode.