ICOMSat Sim900 / Mega2560

chadvader:
Hey, GOOD news!
I had the amazing idea of opening the GSM_Shield.cpp and change all the "mySerial" for "Serial1", and deleting all the #include NewSoftSerial
By doing this, I just changed the comunication to Serial1 (pins 18 and 19) of MEGA, so I jumped the RX to the TX to these pins aaaaaand... the results are the following:

system startup
no call
no call
no call

...And when I called the shield from my cellphone:

incoming voice call from xxxxxxxxx (my number)

YES, it's working!! I'm so happy!! :slight_smile: That's it my friends!

Hi there,

I had the same issues but I finally managed to solve most of them, including receiving calls. Yet, there is one remaining issue I cannot solve: so far, I am not receiving any SMS on the SIM. If I connect it to a normal mobile phone, I start receiving SMS. If I connect it to the shield, no SMS is received. Do you have any idea why this is happening?

Best regards,
Miguel