modem sms

  1. Z

    SMS bundle

    I have a sim900 modem on arduino uno controller. On a door event I send a SMS to a cell number. This works correctly. The problem is that the credit come off the airtime balance and not from the SMS bundle. I used a prepaid vodacom simcard. I need some help on this
  2. P

    Not receiving SMS to self.

    I finally managed to send an SMS using the AT+CMGS modem command on my Nokia 2330, but I haven't received it. Is there something else I have to do, or do 'own number' SMS's not get sent?
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