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  ITU-T A.5 justification information for referenced document ETSI TS 123 272 V15.0.0 in draft G.1028.2
1. Clear description of the referenced document:
Name: ETSI TS 123 272 V15.0.0
Title: Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Circuit Switched (CS) fallback in Evolved Packet System (EPS); Stage 2
2. Status of approval:
ETSI TS 123.272 (2018), vesrion 15.0.0, published on 2018-07-26
3. Justification for the specific reference:
The standard where the CSFB procedure, applicable in G.CSFB, is described.
4. Current information, if any, about IPR issues:
5. Other useful information describing the "Quality" of the document:
6. The degree of stability or maturity of the document:
7. Relationship with other existing or emerging documents:
8. Any explicit references within that referenced document should also be listed:
[1] 3GPP TR 21.905: "Vocabulary for 3GPP Specifications"./
[2] 3GPP TS 23.401: "GPRS Enhancements for E-UTRAN Access"./
[3] 3GPP TS 23.060: "General Packet Radio Service (GPRS); Service description; Stage 2"./
[4] 3GPP TS 44.018: "Mobile radio interface layer 3 specification Radio Resource Control (RRC)/
protocol"./
[5] 3GPP TS 23.018: "Basic call handling; Technical realization"./
[6] 3GPP TS 48.008: "MSC-BSS interface layer 3 specification; Protocol specification"./
[7] 3GPP TS 25.331: "Radio Resource Control (RRC); Protocol specification"./
[8] 3GPP TS 23.271: "Functional stage 2 description of Location Services (LCS)"./
[9] Open Mobile Alliance, OMA AD SUPL: "Secure User Plane Location Architecture",/
http://www.openmobilealliance.org./
[10] 3GPP TS 23.090: "Unstructured Supplementary Service Data (USSD); Stage 2"./
[11] Void./
[12] 3GPP TS 44.060: "MS-BSS interface; RLC/MAC protocol "./
[13] 3GPP TS 24.010: "Supplementary services specification; General aspects"./
[14] 3GPP TS 23.040: "Technical realization of the Short Message Service (SMS)". /
[15] 3GPP TS 23.204: "Short Message Service (SMS) over generic 3GPP Internet Protocol (IP)/
access"./
[16] 3GPP2 A.S0008-C: "Interoperability Specification (IOS) for High Rate Packet Data (HRPD)/
Radio Access Network Interfaces with Session Control in the Access Network"./
[17] 3GPP2 A.S0009-C: "Interoperability Specification (IOS) for High Rate Packet Data (HRPD)/
Radio Access Network Interfaces with Session Control in the Packet Control Function"./
[18] 3GPP2 A.S0013-C: "Interoperability Specification (IOS) for cdma2000 Access Network Interfaces/
– part 3 Features"./
[19] 3GPP TR 36.938: "Improved Network Controlled Mobility between E-UTRAN and/
3GPP2/Mobile WiMAX Radio Technologies"./
[20] 3GPP TS 23.216: "Single Radio Voice Call Continuity (SRVCC); Stage 2"./
[21] 3GPP TS 24.008: "Mobile radio interface Layer 3 specification; Core network protocols; Stage 3"./
[22] 3GPP2 X.S0042-0: "Voice Call Continuity between IMS and Circuit Switched System"./
[23] 3GPP TS 23.236: "Intra-domain connection of Radio Access Network (RAN) nodes to multiple/
Core Network (CN) nodes"./
[24] 3GPP TS 43.055: "Radio Access Network; Dual Transfer Mode (DTM); Stage 2"./
[25] 3GPP TS 23.292: "IMS Centralised Services (ICS); Stage 2"./
[26] 3GPP TS 23.221: "Architectural Requirements"./
[27] 3GPP TS 23.402: "Architecture enhancements for non-3GPP accesses"./
[28] 3GPP TS 24.011: "Point-to-Point (PP) Short Message Service (SMS) support on mobile radio/
interface"./
[29] 3GPP TS 25.413: "UTRAN Iu interface Radio Access Network Application Part (RANAP)/
signalling"./
[30] 3GPP TS 48.018: "General Packet Radio Service (GPRS); BSS GPRS Protocol (BSSGP)"./
[31] 3GPP TS 23.082: "Call Forwarding (CF) supplementary services; Stage 2"./
[32] 3GPP2 C.S0005-A: "Upper Layer (Layer 3) Signaling Standard for cdma2000 Spread Spectrum/
Systems - Release A, Addendum 2"./
[33] 3GPP TS 36.331: "Evolved Universal Terrestrial Radio Access (E-UTRA) Radio Resource/
Control (RRC)"./
[34] 3GPP TS 24.301: "Non-Access-Stratum (NAS) protocol for Evolved Packet System (EPS); Stage/
3"./
[35] 3GPP TS 36.413: "S1 Application Protocol (S1AP)"./
[36] 3GPP TS 22.153: "Multimedia Priority Services"./
[37] 3GPP TS 22.067: "enhanced Multi Level Precedence and Pre emption service (eMLPP) - Stage 1"./
[38] 3GPP TS 22.011: "Service accessibility"./
[39] 3GPP2 A.S0008-C:: "Interoperability Specification (IOS) for High Rate Packet Data (HRPD)/
Radio Access Network Interfaces with Session Control in the Access Network"./
[40] 3GPP2 A.S0009-C: "Interoperability Specification (IOS) for High Rate Packet Data (HRPD)/
Radio Access Network Interfaces with Session Control in the Packet Control Function"./
[41] 3GPP TS 23.146: "Technical realization of facsimile group 3 non-transparent". /
[42] 3GPP TS 23.251: "Network sharing; Architecture and functional description"./
[43] 3GPP TS 29.338: "Diameter based protocols to support of SMS capable MMEs"./
[44] 3GPP TS 29.118: "Mobility Management Entity (MME) -Visitor Location Register (VLR) SGs/
interface specification"./
[45] 3GPP TS 29.274: "Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control/
plane (GTPv2-C)"./
[46] Telecommunications Industry Association, TIA-917: "Wireless Priority Service Enhancements for/
CDMA Systems"./
[47] 3GPP TR 22.952: "Priority service guide"./
[48] 3GPP TS 23.682: "Architecture enhancements to facilitate communications with packet data/
networks and applications".
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