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Multi-Tech Systems MT5600BA-V92 User Manual

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Chapter 3 – Voice Commands 
Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273G) 
37 
 
Speakerphone Commands 
 
Command:  +VSP  
Speakerphone ON/OFF 
Description:
  
This command turns the speakerphone ON or OFF. 
 
Syntax: +VSP=<mode>
 
 
Values:
  
<mode>  
Decimal number corresponding to the selected option. 
 
 
0  
The speakerphone function is OFF. Default 
 
 
1  
The speakerphone function is ON. 
Default:
 0 
Report Commands:
 
+VSP? 
Reports current of selected values. 
 
+VSP=? 
Reports supported range of parameter values. 
 
 
 
Command:  +VGM   Microphone Gain 
Description:
  
This command causes the modem to set the microphone gain of the speakerphone 
function.
 
 
 
Syntax: +VGM=<gain> 
Values:
  
<gain>  
Decimal number between 0 and 255 corresponding to the gain. 
 
 
1   The speakerphone mode is full duplex. 
Default:
 64 
Report Commands:
 
+VGM? 
Reports current of selected values. 
 
+VGM=? 
Reports supported range of parameter values. 
 
 
Command:  +VGS   Speaker Gain 
Description:
  
This command causes the modem to set the speaker gain of the speakerphone function. 
 
Syntax: +VGS=<gain>
 
 
Values:
  
<gain>  
Decimal number between 0 and 255 corresponding to the gain. 
 
 
1   The speakerphone mode is full duplex. 
Default:
 128 
Report Commands:
 
+VGS 
Reports current of selected values. 
 
+VGS=? 
Reports supported range of parameter values.