PDU UE Synchronization Procedure
This section describes the UE synchronization procedure.
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PDU UE synchronization procedure in idle mode receives the failed QFIs, QoS rules and EBIs.
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UE synchronization procedure fills N1 message PDU Session Modification command with QoS Descriptions, QoS Rules, and EPS Bearer Context from received QFI, QoS rule ID, and EBI respectively.
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The SMF includes the created N1 container to N11 message without any N2 content.
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The SMF sends N1N2 Transfer Request message towards AMF and starts the N1N2 retransmission timer. The SMF waits for N1N2 Transfer Response.
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If N1N2 Transfer Success is received, the SMF waits for SM Context Update Request with N1 update. The N1 update includes resource modify success/resource modify reject information.