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itead / ITEADLIB_Arduino_SIMCom

GSM GPRS GPS Bluetooth for SIM800/808/900/908 Shield Library
GNU General Public License v2.0
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dtmf #8

Closed atulgo closed 4 years ago

atulgo commented 4 years ago

Detection of DTMF tones - SIM800L module.

I get "OK" when I send 'AT+DDET=1,1000,1,1* ' over uart . But it doesnt seem to detect anything afterwards. Perhaps I am doing something wrong. Would appreciate some feedback.

regards Atul ref : *SIM800 Series_AT Command Manual_V1.09