ECMA 173 : 3ED 2001

1 Scope
2 Conformance
3 References (normative)
4 Definitions
   4.1 External definitions
   4.2 Other definitions
        4.2.1 Additional network feature
        4.2.2 Busy
        4.2.3 Call, basic call
        4.2.4 Connected number
        4.2.5 Call Deflection
        4.2.6 Call Deflection from Alert
        4.2.7 Call Deflection Immediate
        4.2.8 Diversion
        4.2.9 Diversion from Alert
        4.2.10 Diversion Immediate
        4.2.11 Diverted-to number
        4.2.12 Diverted-to subaddress
        4.2.13 Diverted-to user
        4.2.14 Diverting cause
        4.2.15 Diverting number
        4.2.16 Forwarding
        4.2.17 Forward switching
        4.2.18 Last diverting user
        4.2.19 Original called number
        4.2.20 Original called user
        4.2.21 Partial rerouteing
        4.2.22 Presentation indicator
        4.2.23 PISN number
        4.2.24 Private
        4.2.25 Public
        4.2.26 Public ISDN
        4.2.27 Rerouteing
        4.2.28 Served user
        4.2.29 Terminal, terminal equipment
        4.2.30 User A
        4.2.31 User B
        4.2.32 User B1, user B2, user B3, etc.
        4.2.33 User C
5 Acronyms
6 SS-CFU stage 1 specification
   6.1 Description
        6.1.1 General description
        6.1.2 Qualifications on applicability to
               telecommunication services
   6.2 Procedures
        6.2.1 Provision/withdrawal
        6.2.2 Normal procedures
        6.2.3 Exceptional procedures
   6.3 Interactions with other supplementary services
        and ANFs
        6.3.1 Calling Line Identification Presentation (CLIP)
        6.3.2 Connected Line Identification Presentation (COLP)
        6.3.3 Calling/Connected Line Identification Restriction
               (CLIR)
        6.3.4 Calling Name Identification Presentation (CNIP)
        6.3.5 Connected Name Identification Presentation (CONP)
        6.3.6 Calling/Connected Name Identification Restriction
               (CNIR)
        6.3.7 Completion of Calls to Busy Subscriber (CCBS)
        6.3.8 Completion of Calls on No Reply (CCNR)
        6.3.9 Call Transfer (CT)
        6.3.10 Call Forwarding Busy (CFB)
        6.3.11 Call Forwarding No Reply (CFNR)
        6.3.12 Call Deflection (CD)
        6.3.13 Path Replacement (PR)
   6.4 Interworking considerations
7 SS-CFB stage 1 specification
   7.1 Description
        7.1.1 General description
        7.1.2 Qualifications on applicability to
               telecommunication services
   7.2 Procedures
        7.2.1 Provision/withdrawal
        7.2.2 Normal procedures
        7.2.3 Exceptional procedures
   7.3 Interactions with other supplementary services and ANFs
        7.3.1 Calling Line Identification Presentation (CLIP)
        7.3.2 Connected Line Identification Presentation (COLP)
        7.3.3 Calling/Connected Line Identification Restriction
               (CLIR)
        7.3.4 Calling Name Identification Presentation (CNIP)
        7.3.5 Connected Name Identification Presentation (CONP)
        7.3.6 Calling/Connected Name Identification Restriction
               (CNIR)
        7.3.7 Completion of Calls to Busy Subscriber (CCBS)
        7.3.8 Completion of Calls on No Reply (CCNR)
        7.3.9 Call Transfer (CT)
        7.3.10 Call Forwarding Unconditional (CFU)
        7.3.11 Call Forwarding No Reply (CFNR)
        7.3.12 Call Deflection
        7.3.13 Path Replacement (PR)
   7.4 Interworking Considerations
8 SS-CFNR stage 1 specification
   8.1 Description
        8.1.1 General description
        8.1.2 Qualifications on applicability to
               telecommunication services
   8.2 Procedures
        8.2.1 Provision/withdrawal
        8.2.2 Normal procedures
        8.2.3 Exceptional Procedures
   8.3 Interactions with other supplementary services and ANFs
        8.3.1 Calling Line Identification Presentation (CLIP)
        8.3.2 Connected Line Identification Presentation (COLP)
        8.3.3 Calling/Connected Line Identification Restriction
               (CLIR)
        8.3.4 Calling Name Identification Presentation (CNIP)
        8.3.5 Connected Name Identification Presentation (CONP)
        8.3.6 Calling/Connected Name Identification Restriction
               (CNIR)
        8.3.7 Completion of Calls to Busy Subscriber (CCBS)
        8.3.8 Completion of Calls on No Reply (CCNR)
        8.3.9 Call Transfer (CT)
        8.3.10 Call Forwarding Unconditional (CFU)
        8.3.11 Call Forwarding Busy (CFB)
        8.3.12 Call Deflection (CD)
        8.3.13 Path Replacement (PR)
   8.4 Interworking Considerations
9 SS-CD stage 1 specification
   9.1 Description
        9.1.1 General description
        9.1.2 Qualifications on applicability to
               telecommunication services
   9.2 Procedures
        9.2.1 Provision/withdrawal
        9.2.2 Normal procedures
        9.2.3 Exceptional Procedures
   9.3 Interaction with other supplementary services and ANFs
        9.3.1 Calling Line Identification Presentation (CLIP)
        9.3.2 Connected Line Identification Presentation (COLP)
        9.3.3 Calling/Connected Line Identification Restriction
               (CLIR)
        9.3.4 Calling Name Identification Presentation (CNIP)
        9.3.5 Connected Name Identification Presentation (CONP)
        9.3.6 Calling/Connected Name Identification Restriction
               (CNIR)
        9.3.7 Completion of Calls to Busy Subscriber (CCBS)
        9.3.8 Completion of Calls on No Reply (CCNR)
        9.3.9 Call Transfer (CT)
        9.3.10 Call Forwarding Unconditional (CFU)
        9.3.11 Call Forwarding on Busy (CFB)
        9.3.12 Call Forwarding on No Reply (CFNR)
        9.3.13 Path Replacement (PR)
   9.4 Interworking considerations
   9.5 Overall SDL
10 SS-DIV stage 2 specification
   10.1 Functional model
        10.1.1 Functional model description
        10.1.2 Description of the functional entities
        10.1.3 Relationship of functional model to basic call
               functional model
   10.2 Information flows
        10.2.1 Definition of information flows
        10.2.2 Examples of information flow sequences
   10.3 Functional entity actions
        10.3.1 Functional entity actions of FE1
        10.3.2 Functional entity actions of FE2
        10.3.3 Functional entity actions of FE3
        10.3.4 Functional entity actions of FE4
        10.3.5 Functional entity actions of FE5
        10.3.6 Functional entity actions of FE6
        10.3.7 Functional entity actions of FE7
        10.3.8 Functional entity actions of FE8
        10.3.9 Functional entity actions of FE9
   10.4 Functional entity behaviour
        10.4.1 Behaviour of FE1
        10.4.2 Behaviour of FE2
        10.4.3 Behaviour of FE3
        10.4.4 Behaviour of FE4
        10.4.5 Behaviour of FE5
        10.4.6 Behaviour of FE6
        10.4.7 Behaviour of FE7
        10.4.8 Behaviour of FE8
        10.4.9 Behaviour of FE9
   10.5 Allocation of functional entities to physical equipment
   10.6 Interworking considerations
Annex A - Bibliography

Defines supplementary services Call Forwarding Unconditional (CFU), Call Forwarding Busy (CFB), Call Forwarding No Reply (CFNR) and Call Deflection (CD) applying to various basic services supported by Private Integrated Services Networks (PISN).