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Answers ( 2 )

  1. December 23, 2016 at 6:34 am

    Try this AT+CMEE=1 before sending SMS At commands
    AT+CMEE is Report Mobile Equipment error basically its enable or disable the use of result code

    Must be OK :

    Best answer
  2. December 23, 2016 at 6:36 am

    Yes its works thanks

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