Release ledger
Canonical Atlas record
TS 23.272
Circuit Switched (CS) fallback in Evolved Packet System (EPS); Stage 2
Release evolution
Compare evidence between releases
Use indexed version, Work Item and Change Request evidence to see what changed around this specification. This is an evidence trail, not a clause-by-clause normative diff.
Rel-20 snapshot
Work affecting this release
17 indexed Change Requests · 1 connected Work Item.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0980 rev.8 — Support for Short Message Service to Emergency Response Centre
CR 0980 rev.5 — Support for Short Message Service to Emergency Response Centre
CR 0979 — Adding support for SMS to Emergency Response Centre
CR 0985 — SMS2EC on validity of the emergency number list used for detection
CR 0980 rev.4 — Support for Short Message Service to Emergency Response Centre
CR 0982 — Addition of Support for SMS to Emergency Centre
CR 0984 — Clarification on Support for Short Message Service to Emergency Response Centre-EPS
CR 0981 — SMS over NAS to emegency center via SGd interface
CR 0980 rev.1 — Support for Short Message Service to Emergency Response Centre
CR 0985 rev.1 — SMS2EC on validity of the emergency number list used for detection
CR 0980 — Support for Short Message Service to Emergency Response Centre
CR 0980 rev.3 — Support for Short Message Service to Emergency Response Centre
Version history
Indexed versions
Showing 60 of 86 indexed versions.
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 23.272
CT1 aspects of Mp
Deleted - CT3 aspects of Mp
Mp (MRFC - MRFP) interface
Study on 3GPP System Architecture Evolution
Rel-8 LTE 3G Long Term Evolution - Evolved Packet System RAN part
Issues for CT1 TR 24.801
Core specification for CT6 aspects of SAE
CT6 aspects of SAE
Deleted - Issues for CT4 TR 29.803
Stage 3 (CT1) for SAE impact on services, network functions and capabilities
Stage 2/3 for Network selection procedures
Issues for CT3 TR 29.804
Stage 3 for SAE / LTE identities
Stage 3 (CT4) of SAE impact on existing capabilities
Stage 3 SAE impact on existing capabilities
3GPP System Architecture Evolution Specification - Evolved Packet System (non RAN aspects)
Stage 2 Security Architecture
Stage 2 for CS Fallback in EPS
CT1 part of Stage 3 for CS Fallback in EPS
CT4 part of Stage 3 for CS Fallback in EPS
CS Fallback in EPS
Stage 3 for EPC - HSS interface
Stage 3 for Session management, bearer control and QoS aspects
SAE for LTE access
CT4 Stage 3 for protocol between EPCs
Stage 3 for security aspects of LTE Access
Stage 3 for QoS mechanisms
Stage 3 for UE Non-Access-Stratum (NAS) mobility procedures in idle and active mode
Stage 3 for EPC to UTRAN
Stage 2 GPRS for EPC (23.060, etc.)
Stage 3 for Inter-system mobility between E-UTRAN and 2G/3G
Stage 3 for Inter-system mobility between E-UTRAN and CDMA2000
Stage 3 for EPC to 3GPP2
Stage 3 for EPC - GPRS
Stage 3 for MME - SGSN signalling free protocol
CT4 Stage 3 for GTP v2 protocol
CT4 Stage 3 for PMIP protocol within EPC
Mobile IPv4 (MIPv4) based Mobility protocols
Stage 3 security aspects for DSMIPv6 Access
Stage 3 security aspects for MIPv4 Access
Stage 3 for Access to the EPC via non-3GPP access networks
Stage 3 for interfaces within EPC
(IETF) Stage 3 for Interfaces EPC - non-3GPP IP access
Stage 3 for EPC - AAA interface
(IETF) Stage 3 for Mobility management based on DSMIPv6 (RFC6275)
Stage 3 for Mobility management based on MIP v4
Stage 3 for AAA/HSS related
Stage 3 for Interfaces EPC - non-3GPP IP access
Stage 3 for Mobility management based on DSMIPv6
(IETF) Stage 3 for Mobility management based on DSMIPv6 (draft-ietf-mip6-hiopt)
Stage 3 for Inter-system mobility between E-UTRAN and non 3GPP accesses
Stage 2 Security aspects for non-3GPP Access
(Small) Technical Enhancements and Improvements for Rel-8
Conferencing enhancements for Mp interface
Stage 2 for eMp
Stage 3 for eMp
(Small) Technical Enhancements and Improvements for Rel-9
Local IP Access and Selected Internet IP Traffic Offload
Mobile Terminating Roaming Forwarding with pre-paging
Stage 2/3 for SIPTO for macro networks
Stage 2 for SIPTO for macro networks
(Small) Technical Enhancements and Improvements for Rel-10
Enhancements for Multimedia Priority Service
Stage 2 on eMPS for IMS Aspects
Stage 2 on eMPS for EPS Bearer Service
Stage 2 on eMPS for CSFB
Stage 2 for Full Support of Multi-Operator Core Network by GERAN
System Improvements to Machine-Type Communications
MSISDN-less / PS-Only
(Small) Technical Enhancements and Improvements for Rel-11
LIPA Mobility and SIPTO at the Local Network
(Small) Technical Enhancements and Improvements for Rel-12
Optimized Offloading to WLAN in 3GPP-RAT Mobility
Stage 2 for Optimized Offloading to WLAN in 3GPP-RAT Mobility
Stage 2 for Improvements to CS/PS coordination in UTRAN/GERAN Shared Networks
(Small) Technical Enhancements and Improvements for Rel-13
Deleted - Stage 2 for Enhanced CS Fallback (CSFB)
(Small) Technical Enhancements and Improvements for Rel-14
Stopped - Study on Stage 2 of LTE_LIGHT_CON
Stopped - Signalling reduction to enable light connection for LTE
Support for Multi-USIM Devices
Historical association · verification pendingIntegration of satellite components in the 5G architecture Phase 3
MPS for Messaging services
Short Message Service to Emergency Response Centre
Lawful Interception for GSM Features transposed to UMTS
Knowledge graph
Related standards
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