Cause Sending and Handling
SMF supports sending and handling of the following received causes:
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REL_DUE_TO_HO
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EPS_FALLBACK
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REL_DUE_TO_UP_SEC
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DNN_CONGESTION
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S_NSSAI_CONGESTION
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REL_DUE_TO_REACTIVATION
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5G_AN_NOT_RESPONDING
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REL_DUE_TO_SLICE_NOT_AVAILABLE
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REL_DUE_TO_DUPLICATE_SESSION_ID
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PDU_SESSION_STATUS_MISMATCH
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HO_FAILURE
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INSUFFICIENT_UP_RESOURCES
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PDU_SESSION_HANDED_OVER