At+Cldtmf Local Dtmf Tone Generation - SimCom SIM5300E At Command Manual

Reference
5.2.38

AT+CLDTMF Local DTMF Tone Generation

AT+CLDTMF Local DTMF Tone Generation
Test Command
AT+CLDTMF=?
Write Command
AT+CLDTMF=<n>,<DTMF
string>[,<basicdur>[,<side>]]
Execution Command
AT+CLDTMF
Parameters
SIM5300E AT Command Manual V1.02
19 Indian Dial Tone
20 American Dial Tone
<duration> Numeric type, in milliseconds. Max requested value
=255*60*1000=15300000ms(supported range=3-15300000).
Note
The default <tone>, if none is entered, it should be General Beep.

The default <duration>, if none is entered, it should be 500ms.

Response
+CLDTMF: (1-100),(0-9,A,B,C,D,*,#,E,F,G),(40-500),(0,1,2)
OK
Response
OK
If error is related to ME functionality:
+CME ERROR: <err>
Unsolicited Result Code
The playing is completed.
+CLDTMF: END
Response
OK
Abort any DTMF tone currently being generated and any DTMF
tone sequence.
<n> (1-100)
<basicdur> which indicates the duration of all DTMF tones in
<DTMF string>.
<DTMF string> A string parameter (string should be included in
quotation marks) which has a max length of 20 chars of form
<DTMF>, separated by commas.
<DTMF> A single ASCII chars in the set 0-9,#,*,A-G. "E"
represents 1400HZ, "F" represents 2300HZ, and "G" represents
1000HZ.
<basicdur> (40-500) A numeric parameter in terms of ms
which indicates the basic duration time, default value is 100.
A numeric parameter measured in units of
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