Content for TR 32.850 Word version: 14.0.0
2 References
3 Definitions, symbols and abbreviations
4 Overview
5 Description of scenarios
6 Key Issues
7 Conclusions
$ Change History
2 References
3 Definitions, symbols and abbreviations Word‑p. 8
4 Overview Word‑p. 9
4.1 General
4.2 Consideration of different Application Server (AS) types and roles Word‑p. 10
4.3 Identifiers used for application differentiation Word‑p. 11
4.3.1 IMS Communication Service Identifier (ICSI)
4.3.2 IMS Application Reference Identifier (IARI) Word‑p. 12
4.4 Charging correlation
4.4.1 General
4.4.2 Charging data correlation Word‑p. 13
4.4.3 SIP Identifier used for charging correlation
4.4.3.1 IMS Charging Identifier (ICID)
4.4.3.2 Related ICID Word‑p. 14
4.4.3.3 Access network charging identifier
4.4.3.4 Inter Operator Identifier (IOI)
4.4.3.5 IMS visited network identifier
4.4.3.6 Loopback Indication
4.4.3.7 Session-ID
4.4.3.8 Outgoing Session-ID
4.4.4 SIP Identifier used for dialog correlation Word‑p. 15
4.5 Comparison of S-CSCF and AS CDR for correlation purposes
5 Description of scenarios Word‑p. 20
5.1 Methodology
5.2 Scenario 1 MMTel
5.2.1 Description of scenario
5.2.2 Further considerations with the MMTEL when acting as B2BUA Word‑p. 21
5.3 Scenario 2 TelCo enterprise service Word‑p. 22
5.4 Scenario 3: Enhanced Multimedia Telephony (EMT) Word‑p. 23
5.5 Scenario 4: Small Business Telephony (SBT) Word‑p. 24
5.6 Scenario 5: Charging information from all IMS NEs including AS Word‑p. 25
6 Key Issues Word‑p. 26
6.1 Key Issue #1
6.1.1 General
6.1.2 Description
6.1.3 Assumptions Word‑p. 27
6.1.4 Current status
6.1.5 Alternative options
6.1.5.1 Alternative 1 - SIP information which element writes a CR
6.1.5.2 Alternative 2 - Furnish Charging Information to CTF
6.1.5.3 Alternative 3 - Definition of a type of call Word‑p. 28
6.1.5.4 Alternative 4 - Subscribe/Notify for CDR events Word‑p. 29
6.1.6 Evaluation and recommendation
6.1.6.1 Evaluation
6.1.6.2 Recommendation Word‑p. 31
6.2 Key Issue #2:
7 Conclusions Word‑p. 33
$ Change History Word‑p. 34
