- code
- the DTMF code to send. Value 0 to 15 (inclusive) are valid inputs.
- result
- the result message to send when done
Sends a DTMF code. According to , event 0--9 maps to decimal value 0--9, '*' to 10, '#' to 11, event 'A'--'D' to 12--15, and event flash to 16. Currently, event flash is not supported.