Product data
USRobotics 
Command Reference
Voice Commands - 147
Response: (<rate> range) 
Example: (0,1,2,3,4,8,16,24,48) 
Result Codes 
OK  <rate> = 0,1,2,3,4,8,16,24,48. 
ERROR Otherwise, or if not in Voice Mode. 
+VSP - Speakerphone ON/OFF 
This command turns the speakerphone ON or OFF 
Syntax 
+VSP=<mode> 
Defined Values 
<mode>  Decimal number corresponding to the selected option. 0 The 
speakerphone function is OFF. 1 The speakerphone function is 
ON. 
Reporting Current or Selected Values 
Command: +VSP?
Response: +VSP: <mode> 
Example:  +VSP: 0 For the default setting.
Reporting Supported Range of Parameter Values 
Command: +VSP=? 
Response:  +VSP: (<mode> range) 
Example: +VSP: (0,1) 
Result Codes 
OK  <mode> = 0 or1. 
ERROR Otherwise, or if not in Voice Mode. 
+VDX - Speakerphone Duplex Mode 
This command selects speakerphone half-duplex or full duplex mode. 
Syntax 
+VDX=<mode> 










