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Chapter 6 – Voice Commands
SocketModem Global MT5634SMI Developer’s Guide 46
Voice +V Commands Summary
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