Sending one SMS to all contacts

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This topic contains 1 reply, has 1 voice, and was last updated by  Ryan 3 years, 2 months ago.

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  • #11308 Reply

    cHriS

    I am working on an opensource alarm device, and i got it to trigger and send one SMS. But i would like to send the same message to all the contacts I have saved to sim. That way if somone does not hear their phone someone else will.. I have tried to write the code a few ways but only get message sent to on number. How can i do this and what is the AT command for it.

    Thanks

    #11708 Reply

    Ryan

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