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TR 23.715SA2
Study on System enhancements
for Provision of Access
to Restricted Local Operator Services
by an Unauthenticated UE

use "3GPP‑Page" to get the Word version
for a better overview, the Table of Contents (ToC) is reproduced
V16.0.0 (Wzip)  2018/09  38 p.

Rapporteur:  Mr. Drevon, Nicolas

The objective of this Technical Report is to identify and evaluate potential architecture enhancements of EPS and IMS needed to support Provision of Access to Restricted Local Operator Services by Unauthenticated UEs, and determine which of the solutions can proceed to normative specifications.

full Table of Contents for  TR 23.715  Word version:   16.0.0

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1  ScopeWord-p. 6
2  References
3  Definitions, symbols and abbreviations
4  Architectural Assumptions and Requirements
5  Key Issues for EPC
6  Key Issues for IMS
7  Solutions
7.1  Solution #1: New SIB indicating support for Restricted Local Operator Services
7.2  Solution #2: EPC attach/PDN connection for RLOS from unauthenticated/authenticated UEWord-p. 11
7.3  Solution #3: IMS procedures for RLOS
7.4  Solution #4: EPC solution using dedicated RLOS-APN
7.5  Solution #5: IMS solution with dedicated RLOS-APN and RLOS-specific P/S-CSCF
7.6  Solution #6: Solution to key issue #EPC-3 & #EPC-4 to enable IMS calls after initial attachment
7.7  Solution #7 to key issues #IMS-1, #IMS-2, and #IMS-3: IMS support for RLOS usersWord-p. 23
7.8  Solution #8: Solution to key issues #IMS-4: Support of emergency services by UEs attached for RLOSWord-p. 25
7.9  Solution #9: PLMN selection, radio access for RLOS and overload handling
7.10  Solution #10: IMS solution with dedicated RLOS-APN and skipping IMS registrationUp
7.11  Solution #11: Partial security solution for key issue #EPC-7
8  EvaluationWord-p. 32
9  ConclusionsWord-p. 36
A  Change historyWord-p. 38

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