Cinterion
®
EHS6 AT Command Set
16.4 AT+VTS
EHS6_ATC_V03.001
15/12/3
Confidential / Released
Page 395 of 513
16.4
AT+VTS DTMF and tone generation
is intended to send ASCII characters which cause the Mobile Switching Center (MSC) to transmit DTMF
tones to a remote subscriber. In GSM this operates only in voice mode. If the optional parameter
is left out, the tone duration is determined by the setting of
. Up to 50 single characters can be sent
through a single
write command.
The
write command sends a string which can be a combination of the following separated by comma.
1.
: Single ASCII character (0...9,#,*, A, B, C, D). This is interpreted as a DTMF tone whose duration
is set by
.
2.
}: This is interpreted as a DTMF tone whose duration is set by
The
test command returns a list of supported ASCII characters and the range of
.
Syntax
Parameter Description
Single ASCII character in the set 0...9,#,*, A, B, C, D.
1...255
Tone duration in multiples of 100ms.
can be used only in combination with
. Both parameters
shall be enclosed in curly brackets and separated by comma.
Examples
EXAMPLE 1
Test Command
AT+VTS=?
Response(s)
+VTS:
(list of supported
)
OK
Write Command
AT+VTS=
[, {
}]]
Response(s)
OK
ERROR
+CME ERROR:
<err>
PIN
Last
Reference(s)
-
-
-
3GPP TS 27.007
<dtmf>
(u)
<duration>
(num)
ATD030311028253;
Making a call.
OK
AT+CLCC
Call established.
+CLCC: 1,0,0,0,0,"",128
OK
AT+VTS=1,2,3,4
Sending DTMF tones whose duration is set by
OK