EPS InterworkingFeature Summary and Revision HistoryFeature DescriptionArchitectureHow it WorksStandards ComplianceSupport for UE Initial AttachDetach Procedure for EPS on SMFDedicated Bearer Activation and DeactivationEPS FallbackIndirect Data Forwarding Tunnel (IDFT) Timer SupportEPS Fallback Guard Timer SupportBearer Modification for EPS Session on SMFSession Management Procedures for EPS and 5GC Interworking5G to EPS Handover Using N26 InterfaceCreate Dedicated Bearer Delay and Retry SupportHandling Dedicated Bearer Procedure Failures Caused by Timer ExpiryHandling GTP-U Error Indication for 4G SessionsGTP Path Failure Handling, Restoration, and RecoveryConfiguration Support for Rejecting 4G-only DevicesDynamic Configuration Change Support