Product data
USRobotics 
Command Reference
Voice Commands - 128
<DLE> Shielded Event Codes Sent to the DTE 
Table 6-2 lists the supported <DLE> shielded codes sent to the DTE in the 
expression <DLE><code>. The number in parenthesis in the second column 
corresponds to the T.50 equivalent. 
+VBT Buffer Threshold Setting 
+VPR  Select DTE/modem Interface Rate (Turn off autobaud) 
Speakerphone 
+VSP Speakerphone ON/OFF 
+VDX  Speakerphone Duplex Mode 
+VGM Microphone Gain 
+VGS Speaker Gain 
Table 6-2: Supported <DLE> Shielded Codes Sent to the DTE
Code  T.50 Equivalent  Event Report Description 
<DLE
> 
(1/0)  Two contiguous <DLE><DLE> codes indicate a single <DLE> in the data stream 
<SUB
> 
(1/10)  <DLE><DLE> in the data stream 
<ETX
> 
(0/3)  End Data State 
/  (2/15)  Start of DTMF tone shielding 
~  (7/15)  DTMF transitions to off  
R (5/2)  Ring  
1 (3/1)  DTMF 1 
2 (3/2)  DTMF 2 
3 (3/3)  DTMF 3 
4 (3/4)  DTMF 4 
5 (3/5)  DTMF 5 
6 (3/6)  DTMF 6 
7 (3/7)  DTMF 7 
8 (3/8)  DTMF 8 
Table 6-1: Voice Commands










