Vts, Command-Specific Tone Duration - Motorola G24 Guide Developer's Manual

+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
Note:
Command
Type
Set
Read
Test
The following table shows the +VTS parameters.
<Parameter>
<DTMF>
<duration>
Note:
Example
AT+VTS ?
+VTS: "5"
OK
AT+VTS="2",10
OK
December 31, 2007
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".
Syntax
+VTS=
<DTMF>,[<duration>]
+VTS?
+VTS=?
Table 3-167: +VTS Parameters
String of ASCII characters (0-9, #, *, A-D)
String length is up to 32 characters long.
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.
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
is powered down.
If <duration> is not defined, the +VTD value is used.
AT Commands Reference Manual
Chapter 3: AT Commands Reference
"+VTD, Tone Duration" on page
Response/Action
OK The Set command sets the tone and
duration (if entered).
+CME ERROR: <err>
+VTS: <DTMF> The Read command displays the
currently transmitted DTMF tone. An
+CME ERROR: <err>
error is displayed if no tone is active.
+VTS: (list of The Test command displays the list of
supported DTMF tones and tone
supported <DTMF>,
lengths.
(list of supported
<durations>s)
+CME ERROR: <err>
Description
3-250).
Remarks
3-251