Tech-invite 3GPPspace IETFspace

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Content for TS 33.107 Word version: 18.0.0

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20.1 Architecture 20.2 Provision of Content of Communications 20.3 Provision of Intercept Related Information 20.4 Lawful Interception with CUPS architecture 20.5 S8HR LI and Target UE Mobility
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20 Lawful interception in the VPLMN with S8HR Roaming Architecture |R14| p. 229

20.1 Architecture p. 229

20.1.1 Overview p. 229

20.1.2 LI specific Reference Points p. 230

20.1.3 LI Specific Functions p. 230

20.1.3.1 Void

20.1.3.2 BBIFF: Bearer Binding Intercept and Forward Function p. 230

20.1.3.3 LMISF: LI Mirror IMS State Function p. 231

20.2 Provision of Content of Communications p. 232

20.2.1 Overview p. 232

20.2.1.1 General p. 232

20.2.1.2 S-GW/BBIFF Procedures for CC Interception p. 233

20.2.1.3 Void

20.2.1.4 LMISF Procedures for CC Interception p. 234

20.2.2 X3-Interface p. 234

20.3 Provision of Intercept Related Information p. 234

20.3.1 Overview p. 234

20.3.1.1 General p. 234

20.3.1.2 Void

20.3.1.3 S-GW/BBIFF Procedures for IRI interception p. 235

20.3.1.4 LMISF Procedures for IRI interception p. 235

20.3.2 IRI Events p. 236

20.3.2.1 General p. 236

20.3.2.2 IMEI-based interception p. 236

20.3.2.3 Mid-call Interception p. 236

20.3.2.4 Signalling Compression p. 236

20.3.2.5 Limitations p. 237

20.3.3 X2-Interface p. 237

20.4 Lawful Interception with CUPS architecture p. 237

20.5 S8HR LI and Target UE Mobility p. 239

20.5.1 Overview p. 239

20.5.2 S-GW Relocation p. 239