Multitech BL-Series User Manual download pdf (Page 39)

Voice Commands for the MT5656ZDXV and MT5600ZDXV Modems

Multi-Tech Systems, Inc. Commands Reference Guide (PN S000273D)

Command: +VTX Start Modem Transmit (Playback)

Description: This command causes the modem to start the voice transmission process.

Syntax: +VTX

Result Codes: CONNECT The modem accepts the command.

ERROR The modem is not connected to at least one off-hook telephone line or one

non-telephone line.

Command: +VGR= Voice Gain Receive (Record Gain)

Description: This command causes the modem to set the gain for received voice samples.

Syntax: +VGR=<gain> 0 (only valid number) selects automatic gain control

Reporting Current or Selected Values:

Command: +VGR?

Response: <gain>

Example: 0 For the default setting.

Reporting Supported Range of Parameter Values:

Command: +VGR=?

Response: <gain> range

Example: 0

Result Codes: OK <gain> = 0.

ERROR Otherwise, or if not in Voice Mode.

Command: +VGT= Voice Gain Transmit (Playback Volume)

Description: This command causes the modem to set the volume level.

Syntax: +VGT=<level>

Defined Values: <level> Decimal number corresponding to the volume level.

Reporting Current or Selected Values:

Command: +VGT?

Response: <level>

Example: 128 For the default setting.

Reporting Supported Range of Parameter Values:

Command: +VGT=?

Response: <level> range

Example: 0-255

Result Codes: OK <level> = 0-255.

ERROR Otherwise, or if not in Voice Mode.

Command: +VIT= Voice Inactivity Timer (DTE/Modem)

Description: This command sets the modem’s initial value for the DTE/modem inactivity timer.

Syntax: +VIT=<timer>

Defined Values: <timer> Decimal number corresponding to the time in units of 1.0 second.

A value of 0 disables the timer.

Reporting Current or Selected Values:

Command: +VIT?

Response: <timer>

Example: 0 For the default setting.

Reporting Supported Range of Parameter Values:

Command: +VIT=?

Response: <timer> range

Example: 0-255

Result Codes: OK <timer> = 0-255.

ERROR Otherwise, or if not in Voice Mode.

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Multitech BL-Series User Manual Page 39

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