Voice +V Commands Summary

Chapter 6 – Voice Commands

These commands support Voice mode.

Command	Description
+VNH=	Automatic Hang Up Control
+FMI?	Report Manufacturer's ID
+FMM?	Report Product ID
+FMR?	Report Version Level
+FLO=	Select Flow Control Method
+VIP	Initialize Voice Parameters
+VRX	Enter Voice Receive State
+VTS	Produce DTMF and Tone Generation in Voice Mode
+VTS=?	Report Frequency Support
+VTX	Start Voice Transmission Process
+VGR=	Set the Gain for Received Voice Samples
+VGT=	Set the Volume for Transmitted Voice Samples
+VIT	Set DTE/DCE Inactivity Timer
+VLS=	Select Analog Source/Destination
+VLS=?	Identify Analog Source/Destination Configuration and Event Reporting Capabilities
+VRA=	Set Ring back Goes Away Timer
+VRN=	Set Ring back Never Appeared Timer
+VSD=	Set Silence Detection Sensitivity
+VSM=	Select Voice Compression Method
+VSM=?	Report Voice Compression Method
+VTD=	Select Default Beep Tone Duration Timer (DTMF/Tone Generation Duration)
+VDR=	Enable/Disable Distinctive Ring (Ring Cadence Reporting)
+VDT=	Control Tone Cadence Reporting
+VEM=	Event Reporting and Masking
+VEM=?	Report Event Reporting and Masking Capabilities
+VBT=	Set Modem Flow Control Assert and De-Assert Points
+VBT=?	Report Modem Flow Control Assert and De-Assert Points
+VPP=	Enable or Disable Voice Mode Packet Protocol
+VPR=	Select DTE/DCE Interface Rate (Turn Off Autobaud)

Voice +V Commands Detail

Command:	+FCLASS= <mode> <Enter>		Select Modem Operating Mode
Values:	0, 1, 2.0, 2, 3-7, 8, 9-15, 16-255
Default:	0
Result Codes:	OK if the command is accepted; ERROR if the parameter value is out of range.
Description:	The +FCLASS= command selects the mode of operation (data, facsimile, or voice), as shown
	below.
	+FCLASS= Modem Operating Mode
	0	selects data modem mode
	1	selects Service Class 1 (fax/data) modem mode
	2.0	selects Class 2.0 fax/data modem mode
	2	selects non-standard Class 2 modem
	3-7	reserved for other Fax modes
	8	selects IS-101 Voice mode
	9–15	reserved for other Voice modes
	16–255	reserved for future standards

SocketModem Global MT5634SMI Developer’s Guide