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Content for TS 33.107 Word version: 18.0.0

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6.0 General 6.1 Provision of Intercept CC - Circuit Switched 6.2 Provision of CC - Short Message Service 6.3 Provision of Intercept Related Information 6.3.0 General 6.3.1 X2-interface 6.3.2 Structure of the events 6.3.3 Call Related events 6.3.4 Non Call Related events 6.3.5 HLR Related events 6.4 Intercept cases for circuit switched supplementary services
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6 Invocation of Lawful Interception (LI) for Circuit Switched (CS) services p. 42

6.0 General |R12| p. 42

6.1 Provision of Intercept CC - Circuit Switched p. 44

6.2 Provision of CC - Short Message Service p. 45

6.3 Provision of Intercept Related Information p. 45

6.3.0 General |R12| p. 45

6.3.1 X2-interface p. 46

6.3.2 Structure of the events p. 46

6.3.3 Call Related events p. 49

6.3.3.1 Call establishment p. 49

6.3.3.2 Answer p. 49

6.3.3.3 Supplementary Services p. 50

6.3.3.4 Handover p. 50

6.3.3.5 Release p. 50

6.3.4 Non Call Related events p. 51

6.3.4.1 SMS p. 51

6.3.4.2 Location update p. 51

6.3.4.3 Subscriber Controlled Input (SCI) p. 51

6.3.5 HLR Related events |R13| p. 52

6.3.5.1 Serving system p. 52

6.3.5.2 HLR subscriber record change p. 52

6.3.5.3 Cancel location p. 52

6.3.5.4 Register location p. 53

6.3.5.5 Location Information request |R15| p. 53

6.4 Intercept cases for circuit switched supplementary services p. 54

6.4.1 Interception of Multiparty call p. 54

6.4.2 Interception for Call Forwarding / Call Deflection / ECT p. 54