Receive Voice Call

This sketch receives a voice call from an Arduino or Genuino board equipped with a GSM shield. Once the call is received and connected, it shows the number that is calling, and hangs up. You’ll need to attach a speaker and microphone to hear the connected call and transmit your voice.

Hardware Required

  • Arduino or Genuino Board
  • Arduino + Telefonica GSM/GPRS Shield
  • Microphone and speaker attached to the GSM shield
  • SIM card


image of the Arduino GSM Shield on top of an Arduino or Genuino board


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