Specifications

Chapter 4 – Voice Commands
Multi-Tech Systems, Inc. SocketModem MT5600SMI/MT5656SMI Reference Guide (S000306B) 103
Command: +VGT Voice Gain Transmit (Playback Volume)
Description: This command causes the modem to set the volume level.
Syntax: +VGT=<level>
Defined Values: <level> Decimal number corresponding to the volume level.
Reporting Current or Selected Values:
Command: +VGT?
Response: <level>
Example: 128 For the default setting.
Reporting Supported Range of Parameter Values:
Command: +VGT=?
Response: <level> range
Example: 0-255
Result Codes: OK <level> = 0-255.
ERROR Otherwise, or if not in Voice Mode.
Command: +VIT Voice Inactivity Timer (DTE/Modem)
Description: This command sets the modem’s initial value for the DTE/modem inactivity
timer.
Syntax: +VIT=<timer>
Defined Values: <timer> Decimal number 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: <timer>
Example: 0 For the default setting.
Reporting Supported Range of Parameter Values:
Command: +VIT=?
Response: <timer> range
Example: 0-255
Result Codes: OK <timer> = 0-255.
ERROR Otherwise, or if not in Voice Mode.