M10 AT Commands Set
M10_ATC_V1.01 - 72 -
Write Command
AT+VTS=<dtmf-
string>
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.
Note: D is used only for dialing.
OK
If error is related to ME functionality:
+CME ERROR: <err>
Note: The Command is writing only.
Parameters
<dtmf-string> which has a max length of 20 characters, must be entered
between double quotes (“ “) and consists of combinations of the following
separated by commas. But a single character does not require quotes.
1) <dtmf> A single ASCII characters in the set 0-9, #,*, A-D. This is
interpreted as a sequence of DTMF tones whose duration is set by the
+VTD Command.
2) {<dtmf>, <duration>} This is interpreted as a DTMF tone whose
duration is determined by <duration>.
<duration> duration of the tone in 1/10 seconds range :1-255
Reference
GSM 07.07 [13]
Note
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