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DLR Error Code 11 Unroutable


Symptom

When sending outbound SMS, I received delivery receipt error code 11.

Applies To

  • Outbound SMS
  • Delivery Receipts (DLRs)
  • Error Code 11

Resolution

Submit a Support request to make corresponding routing adjustments.

Cause

Delivery receipt error code 11 Unroutable means that the message failed to deliver due to lack of an available route.

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