PIONEERPOS G24-LC manual +VTS, Command-Specific Tone Duration, 118 +VTS Parameters, Dtmf, +Vts=

Audio

+VTS, Command-Specific Tone Duration

This command transmits a string of DTMF tones when a voice call is active. DTMF tones may be used, for example, when announcing the start of a recording period.

The duration does not erase the VTD duration (Refer to “+VTD, Tone Duration” on page 3-175).

Note: In GSM, the tone duration value can be modified depending on the specific network.

If the active call is dropped in the middle of playing a DTMF tone, the following unsolicited message transfers to TE: +VTS: "Call termination stopped DTMF tones transmission".

Command
Type	Syntax	Response/Action	Remarks
Set	+VTS=	OK	The Set command sets the tone and
	<DTMF>,[<duration>]	+CME ERROR: <err>	duration (if entered).
Read	+VTS?	+VTS: <DTMF>	The Read command displays the
		+CME ERROR: <err>	currently transmitted DTMF tone. An
			error is displayed if no tone is active.
Test	+VTS=?	+VTS: (list of	The Test command displays the list of
		supported <DTMF>,	supported DTMF tones and tone
		(list of supported	lengths.
		<durations>s)
		+CME ERROR: <err>

The following table shows the +VTS parameters.

		Table 3-118: +VTS Parameters
<Parameter>		Description
<DTMF>	String of ASCII characters (0-9, #, *, A-D)
	String length is up to 32 characters long.
<duration>	A DTMF tone of different duration from that set by the +VTD command.
	0-600	Multiples of 100 msec (0 is equivalent to 1, that is, 100 msec)
	<duration> does not erase the +VTD duration.

Note: The duration defined by +VTS is specific to the DTMF string in this command only. It does not erase the duration defined by the +VTD command, and is erased when the G24-L is powered down.

If <duration> is not defined, the +VTD value is used.

Example

AT+VTS ? +VTS: "5"

OK AT+VTS="2",10

OK

3-176 G24-L AT Commands Reference Manual April 15, 2008