Product data
USRobotics 
Command Reference
Voice Commands - 149
Example: +VGM: 0-255 
Result Codes 
OK <gain> = 0-255. 
ERROR Otherwise, or if not in Voice Mode with speakerphone enabled 
(+VSP=1). 
+VGS - Speaker Gain 
This command causes the modem to set the speaker gain of the speakerphone 
function. 
Syntax 
+VGS=<gain> 
Defined Values 
<gain> Decimal number between 0 and 255 corresponding to the gain. 
Reporting Current or Selected Values 
Command: +VGS?
Response: +VGS: <gain>
Example:  +VGS: 130 For the default setting.
Reporting Supported Range of Parameter Values 
Command: +VGS=? 
Response: +VGS: <gain> range 
Example: +VGS: 0-255 
Result Codes 
OK <gain> = 0-255. 
ERROR Otherwise, or if not in Voice Mode with speakerphone enabled 
(+VSP=1). 










