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TS 23.079 (CT4) ★
Support of Optimal Routeing (SOR)

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V15.0.0 (PDF)  2018/06  41 p.
V14.0.0  2017/03  44 p.
V13.0.0  2015/12  44 p.
V12.0.0  2014/09  44 p.
V11.0.0  2012/09  44 p.
V10.0.0  2011/04  44 p.
V9.0.0  2009/12  44 p.
V8.0.0  2008/12  44 p.
V7.0.0  2007/06  44 p.
V6.1.0  2005/12  44 p.
V5.6.0  2005/12  44 p.
V4.2.0  2003/01  41 p.
V3.8.0  2003/01  41 p.
GSM Rel-98 v7.3.0  2000/03  41 p.
GSM Rel-97 v6.3.0  2000/03  39 p.
GSM Rel-96 v5.5.0  1999/10  40 p.
Rapporteur:  Mr. Wild, Peter A.
This TS specifies the technical realisation of the first phase of the network feature Support of Optimal Routeing (SOR).

full Table of Contents for  TS 23.079  Word version:   15.0.0

 

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1  Scope  Word-p. 5
2  References
3  Definitions and abbreviations  Word-p. 6
3.1  Definitions
3.2  Abbreviations  Word-p. 7
4  Architecture
4.1  Optimal routeing for basic mobile-to-mobile calls
4.2  Optimal routeing for conditional call forwarding  Word-p. 9
5  Optimal routeing for basic mobile-to-mobile calls: message flows  Word-p. 10
5.1  Successful outcome  Word-p. 11
5.2  Unsuccessful outcome  Word-p. 12
5.2.1  B subscriber address not recognised as belonging to a UMTS or GSM PLMN
5.2.2  HLRB or VLRB does not support optimal routeing
5.2.3  OR charging requirements contravened
6  Optimal routeing for conditional call forwarding: message flows  Word-p. 13
6.1  Early call forwarding
6.1.1  Forwarding without interrogation of VLRB
6.1.1.1  Successful outcome
6.1.1.2  Unsuccessful outcome  Word-p. 14
6.1.2  Forwarding after interrogation of VLRB
6.1.2.1  Successful outcome  Up
6.1.2.2  Unsuccessful outcome  Word-p. 15
6.2  Late call forwarding  Word-p. 16
6.2.1  Successful outcome  Word-p. 17
6.2.2  Unsuccessful outcome
6.2.2.1  GMSC does not support OR
6.2.2.2  HLRB does not support OR
6.2.2.3  VMSCB/VLRB does not support OR
6.2.2.4  OR charging requirements contravened
7  Interactions between optimal routeing and supplementary services  Word-p. 18
7.1  Call forwarding  Up
7.2  Closed User Group (CUG)
7.3  Advice of Charge
7.4  Call barring
7.5  Other supplementary services  Word-p. 19
8  Interactions between optimal routeing and other network features
8.1  Operator determined barring
8.2  CAMEL
9  Functional requirements of entities performing optimal routeing  Word-p. 20
9.1  Charging requirements for optimal routeing
9.2  Functional behaviour of VMSCA  Word-p. 21
9.3  Functional behaviour of VLRA
9.4  Functional behaviour of GMSC
9.4.1  Procedure OR_Set_ORA_Parameters
9.4.2  Procedure OR_Handle_RCH
9.4.3  Procedure Route_Permitted  Word-p. 22
9.4.4  Procedure OR_Handle_SRI_Negative_Response
9.5  Functional behaviour of HLR  Word-p. 28
9.5.1  Procedure OR_HLR_CF  Word-p. 29
9.5.2  Procedure OR_HLR_Interrogate_VLR
9.6  Functional behaviour of VLRB  Word-p. 33
9.6.1  Functional behaviour of VLRB for provision of subscriber information
9.6.2  Functional behaviour of VLRB for roaming number allocation
9.6.3  Functional behaviour of VLRB when handling an incoming call
9.7  Functional behaviour of VMSCB
9.7.1  Procedure Handle_ORLCF_VMSC
10  Contents of messages  Word-p. 34
10.1  Messages on the B interface (MSC-VLR)  Word-p. 35
10.1.1  Send Info For Outgoing Call
10.1.2  Send Info For Outgoing Call negative response
10.1.3  Send Info For Incoming Call  Up
10.1.4  Send Info For Incoming Call ack
10.1.5  Send Info For Incoming Call negative response
10.1.6  Complete Call
10.1.7  Process Call Waiting  Word-p. 36
10.2  Messages on the C interface (MSC-HLR)
10.2.1  Send Routeing Info
10.2.2  Send Routeing Info ack  Word-p. 37
10.2.3  Send Routeing Info negative response
10.3  Messages on the D interface (VLR-HLR)
10.3.1  Provide Roaming Number  Up
10.3.2  Provide Roaming Number ack
10.3.3  Provide Roaming Number negative response  Word-p. 38
10.3.4  Provide Subscriber Information
10.3.5  Provide Subscriber Information ack
10.4  Messages on the E interface (MSC-MSC)
10.4.1  Resume Call Handling
10.4.2  Resume Call Handling ack
10.4.3  Resume Call Handling negative response  Word-p. 39
A  Handling of an IAM at an MSC  Word-p. 40
B  Change history  Word-p. 41

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