Siemens MC35 User Manual
Page 117
AT Command Set
MC35_ATC_01_V03.02
Page 117 of 228
13.03.2002
4.46 AT+VTS DTMF and tone generation (<Tone> in {0-9, *, #, A, B, C, D})
Test command
AT+VTS=?
Response
+VTS:
(list of supported <dtmf>s)[, (list of supported <duration>s)] OK
Parameter
See write command
Write command
1.
AT+VTS=<dtmf-
string>
2.
AT+VTS=<dt-
mf>,<duration>
Response
This command allows the transmission of DTMF tones and arbitrary tones in
voice mode. These tones may be used (for example) when announcing the
start of a recording period.
• This is interpreted as a sequence of DTMF tones whose duration is set
with the +VTD command.
• This is interpreted as a DTMF tone whose duration is determined by <du-
ration>.
OK
If error is related to ME functionality:
+CME ERROR: <err>
Parameter
<dtmfstring> String of ASCII characters in the set 0-9,#,*,A, B, C, D. Maximal
length of the string is 29. The string has to be entered between
double-quote characters (””).
<dtmf>
ASCII character in the set 0-9,#,*, A, B, C, D.
<duration>
1-255 duration of a tone in 1/10 second
Reference
GSM 07.07
Note
This command only works during active voice call