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E_MBN_SMS_ENCODING_NOT_SUPPORTED
E_MBN_SMS_ENCODING_NOT_SUPPORTED is a Windows Mobile Broadband (MBN) HRESULT. It indicates that the modem does not support the SMS text encoding requested by the sending operation.
What to check for E_MBN_SMS_ENCODING_NOT_SUPPORTED
- Query SMS capabilities and choose an encoding that the active device and network support.
- Check whether the message content requires characters outside the selected encoding before composing the send request.
- Do not silently alter security-sensitive or user-visible text merely to force it into an unsupported encoding.
Microsoft: IMbnSmsEvents::OnSmsSendComplete
Diagnostic discriminator: Compare the requested SMS text encoding with modem capabilities. This status is encoding support and should remain distinct from message-format and language capability errors.
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