SMS Delivery Reports

For every SMS you send you will get a delivery report.

  1. Refused, the sms has been refused by the platform.
    • No Credits - (Account): Your account has no balance.
    • Restricted SMS(anti SPAM): The multiple sending of the same message to the same recipient in a very short fraction of time.
  2. Undelivered, the sms has failed to reach the destination.
    • Unknown Subscriber: The message is undelivered because the mobile subscriber is not valid.
    • Missing parts: The message is concatenated and they are not received all the parts of it.
    • Call Barred: The message is undelivered because the recipient has banned incoming messages.
    • Rejected by SMSc: The destination is wrong.
    • Expired: The message is undelivered because the amount of time the network tries to deliver the message has passed.
    • Teleservice Not Provisioned: The message is undelivered because the recipient MS has no SMS subscription.
    • Handset error: Problem with recipient's device.
  3. Delivered: The message delivered successfully.
  4. Pending, the message is not delivered to the recipient yet (subscriber's device is closed or offline etc) but the provider continues to try to deliver the message
    • Accepted by smsc: The message has been received by the message center of the operator and an attempt has been made to deliver it to the recipient.
    • Absent subscriber:  Subscriber's phone being switched off, due to phone out of coverage, due to roaming restriction/restricted area. 
  5. Uncategorized: the message for an unknown reason have not been delivered, possibly the subscriber was not available(out of network /offline).