Multi-Tech Systems MT5600SMI-XL92, MT5600SMI-XL34 manual Command +VTD Beep Tone Duration Timer, 112

	Chapter 7 – Voice Commands
Command: +VTD	Beep Tone Duration Timer
Description:	This command causes the modem to set the default DTMF/tone generation
	duration.
Syntax:	+VTD=<dur>
Defined Values:	<dur> Decimal number specifying the default DTMF/tone generation duration
	in units of 0.01 second. A value of 0 specifies the value entered by the S11
	parameter (50-255 ms). The range is 0.01 to 2.55 seconds for <dur> = 1 to
	255.

Reporting Current or Selected Values:

	Command: +VTD?
	Response: <dur>
	Example: 100 For the default setting.
Reporting Supported Range of Parameter Values:
	Command: +VTD=?
	Response: (<dur> range)
	Example: (0-255)
Result Codes:	OK <dur>= 0-255.
	ERROR Otherwise, or if not in Voice Mode.

Command: +VDR	Distinctive Ring
Description:	This command causes the modem to enable or disable reporting of the ring
	cadence information and to control the timing of the RING event code report if
	ring cadence reporting is enabled.
Syntax:	+VDR=<enable>, <report>
Defined Values:	<enable> Decimal number corresponding to the selected option.
	0 The modem will not report ring cadence information.
	1 The modem will report ring cadence information as specified for the
	<report> subparameter.
	<report> Decimal number specifying ring cadence information report when
	enabled by the <enable> subparameter.
	0 The modem will produce only DROF and DRON messages. The modem will
	not produce any RING event codes. The modem will report other call progress
	event codes as normal.
	Other The modem will produce only DROF and DRON messages. The
	modem will produce a RING event code after <report>/10 seconds after the
	falling edge of the ring pulse (i.e., after the DRON report).

Reporting Current or Selected Values:

	Command: +VDR?
	Response: <enable>,<report>
	Example: 0,0 For the default setting.
	Reporting Supported Range of Parameter Values:
	Command: +VDR=?
	Response: (<enable> range),(<report>range)
	Example: (0,1),(0-6)
Result Codes:	OK <enable>,<report> = (0,1),(0-6)
	ERROR Otherwise, or if not in Voice Mode.

Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 112