Product data

USRobotics
Command Reference
Voice Commands - 148
Defined Values
<mode> Decimal number corresponding to the selected option. 0 The
speakerphone mode is half duplex. 1 The speakerphone mode is
full duplex.
Reporting Current or Selected Values
Command: +VDX?
Response: +VDX: <mode>
Example: +VDX: 0 For the default setting.
Reporting Supported Range of Parameter Values
Command: +VDX=?
Response: +VDX: (<mode> range)
Example: +VDX: (0,1)
Result Codes
OK <mode> = 0 or1.
ERROR Otherwise, or if not in Voice Mode.
+VGM - Microphone Gain
This command causes the modem to set the microphone gain of the
speakerphone function.
Syntax
+VGM=<gain>
Defined Values
<gain> Decimal number between 0 and 255 corresponding to the gain.
Reporting Current or Selected Values
Command: +VGM?
Response: +VGM: <gain>
Example: +VGM: 130 For the default setting.
Reporting Supported Range of Parameter Values
Command: +VGM=?
Response: +VGM: <gain> range