Chapter 4 – Voice Commands

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

2.0selects 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

Multi-Tech Systems, Inc. SocketModem MT5634SMIxx Reference Guide (S000263C)

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Multi-Tech Systems MT5634SMI V.34, MT5634SMI V.92 manual Voice +V Commands Summary, Voice +V Commands Detail

MT5634SMI V.34, MT5634SMI V.92 specifications

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