Content for TS 33.108 Word version: 18.0.0
5 Circuit-switch domain
5.0 General
5.1 Specific identifiers for LI
5.2 HI2: interface port for IRI
5.3 HI3: interface port for Content of Communication
5.4 LI procedures for supplementary services
5.5 Detailed procedures for supplementary services
5.6 Functional architecture
5.7 IP-based handover interface for CC
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5 Circuit-switch domain p. 27
5.0 General |R12| p. 27
5.1 Specific identifiers for LI |R6| p. 27
5.1.0 Introduction |R12| p. 27
5.1.1 Lawful Interception IDentifier (LIID) p. 27
5.1.2 Communication IDentifier (CID) p. 28
5.1.2.0 General |R12| p. 28
5.1.2.1 Network Identifier (NID) p. 28
5.1.2.2 Communication Identity Number (CIN) - optional p. 28
5.1.3 CC link identifier (CCLID) p. 29
5.1.4 Correlation of CC and IRI p. 29
5.1.5 Usage of Identifiers p. 29
5.2 HI2: interface port for IRI |R6| p. 30
5.2.1 Definition of Intercept Related Information p. 30
5.2.2 Structure of IRI records p. 30
5.2.2.0 General |R12| p. 30
5.2.2.1 Control Information for HI2 p. 31
5.2.2.2 Basic call information p. 31
5.2.2.3 Information on supplementary services, related to a call in progress p. 32
5.2.2.4 Information on non-call related supplementary services p. 32
5.2.3 Delivery of IRI p. 32
5.3 HI3: interface port for Content of Communication |R6| p. 37
5.3.0 General |R12| p. 37
5.3.1 CS-based Delivery of Content of Communication p. 37
5.3.2 Control information for Content of Communication p. 38
5.3.3 Security requirements at the interface port of HI3 p. 39
5.3.3.0 General |R12| p. 39
5.3.3.1 LI access verification p. 39
5.3.3.2 Access protection p. 40
5.3.3.3 Authentication p. 40
5.4 LI procedures for supplementary services |R6| p. 40
5.4.1 General p. 40
5.4.2 CC link Impact p. 43
5.4.3 IRI Impact, General Principle for Sending IRI records p. 43
5.4.4 Multi party calls - general principles, options A, B p. 43
5.4.4.0 General |R12| p. 43
5.4.4.1 CC links for active and non-active calls (option A) p. 43
5.4.4.2 Reuse of CC links for active calls (option B) p. 44
5.4.5 Subscriber Controlled Input (SCI): Activation / Deactivation / Interrogation of Services p. 45
5.5 Detailed procedures for supplementary services |R6| p. 45
5.5.1 Advice of Charge services (AOC) p. 45
5.5.2 Call Waiting (CW) p. 45
5.5.3 Call Hold/Retrieve p. 45
5.5.3.1 CC links for active and non-active calls (option A) p. 45
5.5.3.2 Reuse of CC links for active calls (option B) p. 45
5.5.3.3 IRI records p. 46
5.5.4 Explicit Call Transfer (ECT) p. 46
5.5.5 Calling Line Identification Presentation (CLIP) (IRI Records) p. 46
5.5.5.1 Call originated by target (target is served user) p. 46
5.5.5.2 Call terminated at target (other party is served user) p. 46
5.5.6 Calling Line Identification Restriction (CLIR) p. 46
5.5.7 COnnected Line identification Presentation (COLP) p. 47
5.5.7.1 Call terminated at target (target is served user) p. 47
5.5.7.2 Call originated by target (other party is served user) p. 47
5.5.8 COnnected Line identification Restriction (COLR) p. 47
5.5.9 Closed User Group (CUG) p. 47
5.5.10 Completion of Call to Busy Subscriber (CCBS) p. 47
5.5.11 Multi ParTY call (MPTY) p. 47
5.5.11.1 General |R12| p. 47
5.5.11.2 IRI records p. 47
5.5.12 DIVersion Services (DIV) p. 47
5.5.12.0 General |R12| p. 47
5.5.12.1 Call Diversion by Target p. 48
5.5.12.1.1 Call Diversion by Target, CC links p. 48
5.5.12.1.2 Call Diversion by Target, IRI records p. 48
5.5.12.2 Forwarded Call Terminated at Target p. 48
5.5.12.3 Call from Target Forwarded p. 48
5.5.13 Variants of call diversion services p. 48
5.5.14 SUBaddressing (SUB) p. 49
5.5.15 User-to-User Signalling (UUS) p. 49
5.5.16 Incoming Call Barring (ICB) p. 49
5.5.17 Outgoing Call Barring (OCB) p. 49
5.5.18 Tones, Announcements p. 49
5.6 Functional architecture |R6| p. 49
5.7 IP-based handover interface for CC |R13| p. 50
5.7.1 General p. 50
5.7.2 Identifiers p. 51
5.7.3 Voice Content Direction p. 52
5.7.4 Payload Description p. 52
5.7.5 Sequence Number p. 52
