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To detect tones DTMF with terminal GSM (TC65)

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pgsabel

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Hello, everyone

I have a PIC that it is connected in a terminal TC65 of the Siemens, and then I ask: Exists the possibility of this terminal to detect originated tones DTMF, for example, of a cell phone, so that the PIC can interpret them?
 

you can use dtmf tone decoder ic intreface with gsm terminel speaker
 

I think you need a DTMF DETECTR like MT8888.
 

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