What does HRESULT 0x80548225 (E_MBN_SMS_NETWORK_TIMEOUT) mean?

 
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E_MBN_SMS_MEMORY_FAILURE E_MBN_SMS_UNKNOWN_SMSC_ADDRESS

E_MBN_SMS_NETWORK_TIMEOUT

E_MBN_SMS_NETWORK_TIMEOUT is a Windows Mobile Broadband (MBN) HRESULT. It indicates that the SMS request did not receive the required network response before the Mobile Broadband timeout expired.

What to check

  • Check registration state, signal conditions, roaming policy, and SMS service availability before retrying.
  • Use bounded backoff and deduplication because a timeout does not reliably prove that the network never received the message.
  • Capture the request ID and delivery status when available so a repeated send does not create an unintended duplicate.

Microsoft: IMbnSmsEvents::OnSmsSendComplete


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