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TR 23.781 (SA6)
Study on Migration and Interconnection
for Mission Critical Services

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V15.0.0 (Wzip)  2017/06  66 p.

Rapporteur:  Mr. Chater-Lea, David

The present document studies solutions to satisfy the requirements for interconnection and migration between Mission Critical systems. It may identify enhancements to be included in the Technical Specifications for those services.

full Table of Contents for  TR 23.781  Word version:   15.0.0

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1  ScopeWord-p. 7
2  ReferencesWord-p. 7
3  Definitions and abbreviationsWord-p. 7
4  Migration and interconnection scenariosWord-p. 8
4.1  Generic scenariosWord-p. 8
4.2  MC service communication scenariosUpWord-p. 9
5  Key IssuesWord-p. 15
5.1  Key Issues for interconnectionWord-p. 15
5.2  Key Issues for migrationWord-p. 20
6  SolutionsWord-p. 25
6.1  Solution 1: System authorization and configuration for interconnection and migrationUpWord-p. 25
6.2  Solution 2: Connectivity to partner MC system for migrationWord-p. 26
6.3  Solution 3: Call control and media routing for MCPTT group calls for interconnectionWord-p. 31
6.4  Solution 4: User authorization and configuration for interconnectionWord-p. 32
6.5  Solution 5: Group configuration management for interconnectionWord-p. 34
6.6  Solution 6: User authorization and configuration for migrationWord-p. 37
6.7  Solution 7: User profile management for migration - Partner MC system CMS configures UEWord-p. 39
6.8  Solution 8: User profile management for migration - Primary MC system CMS configures UEWord-p. 42
6.9  Solution 9: Controlling system and media routing for interconnection private callsWord-p. 46
6.10  Solution 10: Migration service authorizationWord-p. 47
6.11  Solution 11: Migrated private callWord-p. 49
6.12  Solution 12: Affiliation for logging during migrationWord-p. 57
7  Overall EvaluationWord-p. 59
8  ConclusionsWord-p. 65
A  Change historyWord-p. 66

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