Content for  TS 23.008  Word version:  18.1.0

DL Data Buffer Expiration Time is defined in TS 23.060 and TS 23.401. It indicates the time until the SGW buffers DL data, for a UE that is transiently not reachable due to power saving functions, when the MME or SGSN has requested extended buffering at the SGW. DL Data Buffer Expiration Time is temporary data conditionally stored in the MME, SGSN and SGW.

DL Buffering Suggested Packet Count is defined in TS 23.060 and TS 23.401. It indicates the number of downlink packets the MME or SGSN suggests the SGW to store, for a UE that is transiently not reachable due to power saving functions, when the MME or SGSN requests extended buffering at the SGW. DL Buffering Suggested Packet Count is permanent data conditionally stored in the HSS/HLR, MME, and the SGSN.

The Notify-on-available-after-DDN-failure flag is defined in TS 23.682. The Notify-on-available-after-DDN-failure flag is temporary data conditionally stored in the MME and S4-SGSN.

IMSI Group Identifier (IMSI-Group-Id) is defined in TS 23.003. A list of IMSI Group Identifier may be stored within the subscription data for a subscriber. The IMSI Group Identifier List is permanent subscriber data conditionally stored in HSS, SGSN, MME, UDM and AMF.

The UE Usage Type indicates the usage characteristics of the UE for use with Dedicated Core Networks (DCN); it is subscription information that enables the UE to be served by a specific DCN (i.e., one or more MME/SGSN and optionally one or more SGW/PGW/PCRF), as described in TS 23.401. UE Usage Type is permanent data and conditionally stored in HSS, MME, SGSN, UDM and AMF.

The Emergency Indication information indicates a UE request to establish a PDN connection for emergency services. See TS 24.302 and TS 29.273. Emergency Indication is temporary data conditionally stored in the ePDG, 3GPP AAA Server and 3GPP AAA Proxy.

Remote UE Contexts is defined in TS 29.274. Remote UE Contexts is temporary data conditionally stored in MME, SGW and PGW.

The Extended Idle Mode DRX parameters is defined in TS 23.401. The Extended Idle Mode DRX parameters is temporary data conditionally stored in the MME and SGSN. The Extended Idle Mode DRX cycle length (a part of the Extended Idle Mode DRX parameters) is permanent data stored in HSS.

Delay Tolerant Connection Indication is defined in the TS 23.401 and TS 23.060. Delay Tolerant Connection Indication is permanent data conditionally stored in MME, S4-SGSN, Gn/Gp-SGSN, PGW and GGSN.

Pending Network Initiated PDN Connection Signalling Indication is defined in the TS 23.401 and TS 23.060. Pending Network Initiated PDN Connection Signalling Indication is temporary data conditionally stored in MME, S4-SGSN and Gn/Gp-SGSN.

UE Radio Capability for Paging information is defined in the clause 5.11.4 of TS 23.401. UE Radio Capability for Paging information is temporary data conditionally stored in MME.

Information on Recommended Cells and ENBs for Paging is defined in TS 23.401. Information on Recommended Cells and ENBs for Paging is temporary data conditionally stored in the MME.

Paging Attempt Count is defined in TS 23.401. Paging Attempt Count is temporary data conditionally stored in the MME.

User Plane Integrity Protection Indicator is defined in TS 43.020. User Plane Integrity Protection Indicator is permanent data conditionally stored in the HSS and SGSN.

Non-IP-PDN-Type-Indicator is defined in TS 29.272. It indicates whether the PDN type of the corresponding APN is Non-IP. Non-IP-PDN-Type-Indicator is permanent subscriber data conditionally stored in the HSS and MME.

Non-IP-Data-Delivery-Mechanism is defined in TS 29.272. It indicates the mechanism to be used for Non-IP Data Delivery over a certain APN. The parameter takes either of the following values:

• SGi-Based-Data-Delivery;
• SCEF-Based-Data-Delivery.

Non-IP-Data-Delivery-Mechanism is permanent subscriber data conditionally stored in the HSS and MME.

SCEF-ID is defined in TS 29.272. It indicates the identity (FQDN) of the SCEF to be used for Non-IP Data Delivery over a certain APN, when the selected data delivery mechanism is SCEF-based. SCEF-ID is permanent subscriber data conditionally stored in the HSS and MME.

PDN Type is defined in TS 29.274. It indicates whether the PDN type is IPv4, IPv6, IPv4v6, Non-IP, or Ethernet. PDN Type is permanent subscriber data conditionally stored in the HSS, S4-SGSN, MME, SGW and PGW.

The PDN-Connection-Restricted flag is defined in TS 29.272. It indicates whether a registration without a PDN connection is enforced for this user when applicable. The PDN-Connection-Restricted flag is permanent subscriber data conditionally stored in the HSS and MME.

Preferred-Data-Mode is defined in TS 29.272. It indicates, for an SGi PDN connection, whether it is preferred to transmit the user's traffic associated to the APN over the User Plane or the Control Plane. Preferred-Data-Mode is permanent subscriber data conditionally stored in the HSS and MME.

IOV_updates counter is defined in the TS 29.060. IOV_updates counter is temporary data conditionally stored in a Gn/Gp-SGSN and S4-SGSN.

Emergency Info is defined in TS 29.272. It contains the identity of the PGW dynamically allocated for emergency services. Emergency Info is temporary subscriber data conditionally stored in the HSS, 3GPP AAA Server, MME and ePDG.

Dedicated Core Network Identifier is defined in the TS 23.003. Dedicated Core Network Identifier is temporary data conditionally stored in a Gn/Gp-SGSN, S4-SGSN and MME.

The Acknowledgement Of Downlink NAS Data PDUs flag is defined in TS 29.272. It indicates whether acknowledgement of downlink NAS data PDUs for Control Plane CIoT Optimization is disabled for the UE. The Acknowledgement Of Downlink NAS Data PDUs flag is permanent subscriber data conditionally stored in the HSS and MME.

The Service Gap Time is defined in TS 29.272. It indicates the minimum number of seconds during which the UE shall stay in ECM-IDLE mode, after leaving the ECM-CONNECTED mode, before being allowed to send a subsequent connection request to enter ECM-CONNECTED mode again. The Service Gap Time is permanent subscriber data conditionally stored in the HSS and MME.

The Subscribed Additional RRM Policy Index (see TS 23.401) is permanent data conditionally stored in HSS and MME.

The Additional RRM Policy Index in Use (see TS 23.401) is temporary data conditionally stored in MME.

Ethernet-PDN-Type-Indicator is defined in TS 29.272. It indicates whether the PDN type of the corresponding APN is Ethernet. Ethernet-PDN-Type-Indicator is permanent subscriber data conditionally stored in the HSS and MME.