At+Vts Dtmf And Tone Generation - Siemens MC55 Command Set

MC55 AT Command Set
16.7 AT+VTS
16.7

AT+VTS DTMF and tone generation

The Write command is intended to send ASCII characters or strings which cause the Mobile Switching Center
(MSC) to transmit DTMF tones to a remote subscriber. It works during active voice calls only and offers the fol-
lowing variants:
• =
AT+VTS <dtmfString>
• = [,
AT+VTS <dtmf> <duration>
vidually determined during the call.
Syntax
Test Command
AT+VTS=?
Response(s)
+VTS: (list of supported
OK
Write Command
AT+VTS=<dtmfString>
Response(s)
OK
Write Command
[,
AT+VTS=<dtmf> <duration>
Response(s)
OK
PIN ASC0 ASC1 MUX1
! % %
Reference(s)
GSM 07.07
Parameter Description
(str)
<dtmfString>
String of ASCII characters in the set 0-9,#,*,A, B, C, D. Maximal length of the string is 29. The string must be
enclosed in quotation marks ("...").
(str)
<dtmf>
ASCII character in the set 0...9,#,*, A, B, C, D.
MC55_ATC_V01.05
Confidential / Released
allows to send a sequence of DTMF tones with a duration defined with
] allows to send a single DTMF tone. In this case, the duration can be ind-
s), (list of supported
<dtmf>
]
MUX2 MUX3
% % %
Page 399 of 469
s)
<duration>
s
m
obile
.
AT+VTD
2/10/04