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  ITU-T A.5 justification information for referenced document ETSI TS 123 401 V14.10.0 (2018-12) in draft Q.3644
1. Clear description of the referenced document:
Name: ETSI TS 123 401 V14.10.0 (2018-12)
Title: LTE; General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access (3GPP TS 23.401 version 14.10.0 Release 14)
2. Status of approval:
It is approved and published by ETSI.
3. Justification for the specific reference:
It is used as a reference in the Recommendation ITU-T Q.3644 (formerly Q.VoLTE-SAO-req).
4. Current information, if any, about IPR issues:
See: https://ipr.etsi.org/.
5. Other useful information describing the "Quality" of the document:
The status of the referred ETSI document is approved standard.
6. The degree of stability or maturity of the document:
The status of the referred ETSI document is published standard.
7. Relationship with other existing or emerging documents:
None
8. Any explicit references within that referenced document should also be listed:
[1] 3GPP TR 21.905: "Vocabulary for 3GPP Specifications"./
[2] 3GPP TS 23.402: "Architecture enhancements for non-3GPP accesses"./
[3] ITU-T Recommendation I.130: "Method for the characterization of telecommunication services supported by an ISDN and network capabilities of an ISDN"./
[4] ITU-T Recommendation Q.65: "The unified functional methodology for the characterization of services and network capabilities"./
[5] 3GPP TS 36.300: "Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2"./
[6] 3GPP TS 23.203: "Policy and charging control architecture"./
[7] 3GPP TS 23.060: "General Packet Radio Service (GPRS); Service description; Stage 2"./
[8] 3GPP TS 43.129: "Packet-switched handover for GERAN A/Gb mode; Stage 2"./
[9] 3GPP TS 23.003: "Numbering, addressing and identification"./
[10] 3GPP TS 23.122: "Non-Access-Stratum (NAS) functions related to Mobile Station in idle mode"./
[11] 3GPP TS 43.022: "Functions related to MS in idle mode and group receive mode"./
[12] 3GPP TS 25.304: "UE procedures in idle mode and procedures for cell re-selection in connected mode"./
[13] 3GPP TS 23.246: "Multimedia Broadcast/Multicast Service (MBMS); Architecture and functional description"./
[14] 3GPP TS 29.060: "GPRS Tunnelling Protocol (GTP) across the Gn and Gp interface"./
[15] 3GPP TS 43.051: "GERAN Overall description - Stage 2"./
[16] 3GPP TS 25.401: "UTRAN overall description"./
[17] IETF RFC 1034 (1987): "Domain names – concepts and facilities" (STD 13)./
[18] IETF RFC 4862: "IPv6 Stateless Address Autoconfiguration"./
[19] IETF RFC 2131: "Dynamic Host Configuration Protocol"./
[20] IETF RFC 3736: "Stateless Dynamic Host Configuration Protocol (DHCP) Service for IPv6"./
[21] IETF RFC 3633: "IPv6 Prefix Options for Dynamic Host Configuration Protocol (DHCP) version 6"./
[22] 3GPP TS 25.413: "UTRAN Iu interface Radio Access Network Application Part (RANAP) signalling"./
[23] 3GPP TS 44.064: "Mobile Station - Serving GPRS Support Node (MS-SGSN); Logical Link Control (LLC) Layer Specification"./
[24] 3GPP TS 23.251: "Network Sharing; Architecture and functional description"./
[25] IETF RFC 4039: "Rapid Commit Option for the Dynamic Host Configuration Protocol version 4 (DHCPv4)"./
[26] IETF RFC 768: "User Datagram Protocol"./
[27] 3GPP TS 23.221: "Architectural requirements"./
[28] 3GPP TS 23.008: "Organization of subscriber data"./
[29] 3GPP TS 23.078: "Customized Applications for Mobile network Enhanced Logic (CAMEL) Phase X; Stage 2"./
[30] 3GPP TS 23.236: "Intra-domain connection of Radio Access Network (RAN) nodes to multiple Core Network (CN) nodes"./
[31] IETF RFC 3588: "Diameter Base Protocol"./
[32] IETF RFC 4861: "Neighbor Discovery for IP Version 6 (IPv6)"./
[33] 3GPP TS 25.331: "Radio Resource Control (RRC); Protocol Specification"./
[34] 3GPP TS 36.304: "Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) procedures in idle mode"./
[35] IETF RFC 4960: "Stream Control Transmission Protocol"./
[36] 3GPP TS 36.413: "Evolved Universal Terrestrial Access Network (E-UTRAN); S1 Application Protocol (S1AP)"./
[37] 3GPP TS 36.331: "Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification"./
[38] 3GPP TS 29.061: "Interworking between the Public Land Mobile Network (PLMN) supporting packet based services and Packet Data Networks (PDN)"./
[39] Void./
[40] 3GPP TS 33.102: "3G Security; Security architecture"./
[41] 3GPP TS 33.401: "3GPP System Architecture Evolution: Security Architecture"./
[42] 3GPP TS 48.018: "General Packet Radio Service (GPRS); Base Station System (BSS) - Serving GPRS Support Node (SGSN); BSS GPRS Protocol (BSSGP)"./
[43] 3GPP TS 29.274: "3GPP Evolved Packet System (EPS); Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C); Stage 3"./
[44] 3GPP TS 32.251: "Telecommunication management; Charging management; Packet Switched (PS) domain charging"./
[45] 3GPP TS 24.007: "Mobile radio interface signalling layer 3; General aspects"./
[46] 3GPP TS 24.301: "Non-Access-Stratum (NAS) protocol for Evolved Packet System (EPS); Stage 3"./
[47] 3GPP TS 24.008: "Mobile Radio Interface Layer 3 specification; Core Network Protocols; Stage 3"./
[48] 3GPP TS 23.041: "Technical realization of Cell Broadcast Service (CBS)"./
[49] 3GPP TS 22.042: "Network Identity and Time Zone (NITZ) service description; Stage 1"./
[50] Void./
[51] 3GPP TS 32.240: "Charging architecture and principles"./
[52] 3GPP TS 23.228: "IP Multimedia Subsystem (IMS); Stage 2"./
[53] 3GPP TS 24.285: "Allowed Closed Subscriber Group (CSG) List; Management Object (MO)"./
[54] 3GPP TS 23.261: "IP flow mobility and seamless Wireless Local Area Network (WLAN) offload; Stage 2"./
[55] IETF RFC 3168: "The Addition of Explicit Congestion Notification (ECN) to IP"./
[56] 3GPP TS 26.114: "IP Multimedia Subsystem (IMS); Multimedia Telephony; Media handling and interaction"./
[57] 3GPP TS 23.271: "Functional stage 2 description of LCS"./
[58] 3GPP TS 23.272: "Circuit Switched (CS) fallback in Evolved Packet System (EPS); Stage 2"./
[59] 3GPP TS 23.107: "Quality of Service (QoS) concept and architecture"./
[60] 3GPP TS 23.292: "IP Multimedia Subsystem (IMS) centralized services; Stage 2"./
[61] 3GPP TS 29.303: "Domain Name System Procedures; Stage 3"./
[62] IETF RFC 3376: "Internet Group Management Protocol, Version 3"./
[63] IETF RFC 3810: "Multicast Listener Discovery Version 2 (MLDv2) for IPv6"./
[64] IETF RFC 3927: "Dynamic Configuration of IPv4 Link-Local Addresses"./
[65] IETF RFC 4291: "IP Version 6 Addressing Architecture"./
[66] 3GPP TS 22.368: "Service Requirements for Machine-Type Communications (MTC); Stage 1"./
[67] 3GPP TS 22.011: "Service Accessibility"./
[68] 3GPP TS 22.153: "Multimedia priority service"./
[69] 3GPP TS 24.368: "Non-Access Stratum (NAS) configuration Management Object (MO)"./
[70] IETF RFC 6603: "Prefix Exclude Option for DHCPv6-based Prefix Delegation"./
[71] 3GPP TS 23.002: "Network Architecture"./
[72] 3GPP TS 23.007: "Restoration procedures"./
[73] 3GPP TS 22.173: "IP Multimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary services; Stage 1"./
[74] 3GPP TS 23.682: "Architecture enhancements to facilitate communications with packet data networks and applications"./
[75] 3GPP TS 23.380: "IMS Restoration Procedures"./
[76] 3GPP TS 36.423: "Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 Application Protocol (X2AP)"./
[77] IETF RFC 5795: "The RObust Header Compression (ROHC) Framework"./
[78] 3GPP TS 36.323: "Evolved Universal Terrestrial Radio Access (E-UTRA); Packet Data Convergence Protocol (PDCP) specification"./
[79] 3GPP TS 29.128: " Mobility Management Entity (MME) and Serving GPRS Support Node (SGSN) interfaces for interworking with packet data networks and applications"./
[80] 3GPP TS 22.101: "3rd Generation Partnership Project; Technical Specification Group Services and Systems Aspects; Service aspects; Service principles"./
[81] 3GPP TS 23.167: "3rd Generation Partnership Project; Technical Specification Group Services and Systems Aspects; IP Multimedia Subsystem (IMS) emergency sessions"./
[82] 3GPP TS 36.306: "Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) radio access capabilities"./
[83] 3GPP TS 29.002: "Mobile Application Part (MAP) specification".
9. Qualification of ETSI:
ETSI is recognized under the provisions of ITU-T Recommendations A.5 and A.6. Qualifying information is on file at TSB.
10. Other (for any supplementary information):
None
Note: This form is based on Recommendation ITU-T A.5