SIST EN 301 931-3 V1.1.2:2005
(Main)Intelligent Network (IN); Intelligent Network Capability Set 3 (CS3); Intelligent Network Application Protocol (INAP); Protocol specification; Part 3: SCF-SRF interface
General Information
- Abstract
Core INAP CS3 shall comprise the CAMEL phase 1, 2, and 3 (release 1999); ensuring a unique IN Network infrastructure for fixed network and mobile applications suitable for implementation in Europe. This shall contain the CAMEL Application Part (CAP) for specification for Phase 3 to support GSM The first release is has the following main topics: Multiple Point of Control, Enhanced CPH capabilities; Enhanced Charging; Number Portability, IN Support for H.323 and SIP/SDP architecture SPAR Phase 1 requirements. CAMEL Phase 3 Release 1999.
- Status
- Published
- Publication Date
- 31-Dec-2004
- Technical Committee
- SPN - Services and Protocols for Networks
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Jan-2005
- Due Date
- 01-Jan-2005
- Completion Date
- 01-Jan-2005
Overview
SIST EN 301 931-3 V1.1.2:2005 specifies the protocol for the SCF-SRF interface within Intelligent Network Capability Set 3 (CS3), focusing on the Intelligent Network Application Protocol (INAP). This European telecommunications standard, harmonized by SIST, outlines essential requirements for supporting core INAP CS3 through the CAMEL phase 1, 2, and 3 (Release 1999). The standard ensures robust and unified network infrastructure across fixed and mobile networks, making it highly relevant for operators and system integrators in Europe who manage both legacy and next-generation telecommunication services.
The document addresses both fixed and GSM mobile applications, aligning with European telecommunication needs by enabling advanced call handling, number portability, charging solutions, and support for evolving signaling protocols such as H.323 and SIP/SDP.
Key Topics
- SCF-SRF Interface Specification: Defines precise interaction protocols between the Service Control Function (SCF) and Specialized Resource Function (SRF) for reliable service execution within IN systems.
- Core INAP CS3 (CAMEL Phases 1-3): Ensures backward compatibility and supports new services introduced through successive CAMEL phase releases.
- Multiple Point of Control: Facilitates distributed service logic execution in complex call scenarios, essential for modern converged networks.
- Enhanced Charging and Call Processing Capabilities: Expanded control mechanisms for telecom operators to offer advanced charging models and call features.
- Number Portability: Seamless handling of number portability to ensure subscriber mobility and regulatory compliance.
- Support for Next-Generation Networks: Compatibility with H.323 and SIP/SDP architectures for voice and multimedia communications.
- Error Handling and Management: Robust error management procedures for consistent and predictable service delivery.
Applications
This standard is applicable for a diverse range of telecommunication environments that leverage Intelligent Network architecture. Its applications include:
- Fixed and Mobile Network Integration: Enables convergence and transparent operation across GSM, ISDN, and VoIP networks.
- Service Deployment and Flexibility: Operators can rapidly introduce, modify, or withdraw value-added services (such as prepaid, call forwarding, or interactive voice response systems) with high reliability.
- Number Portability Services: Facilitates smooth number transfer processes, essential for consumer retention and market competitiveness.
- Advanced Charging and Call Control: Supports sophisticated charging models and real-time call supervision, allowing for innovative tariff structures and promotional offers.
- Interoperability with VoIP and Multimedia Protocols: Guarantees that traditional telephony services can be integrated with next-generation IP-based multimedia networks using H.323 or SIP.
Related Standards
The effectiveness of SIST EN 301 931-3 V1.1.2:2005 is maximized when used in conjunction with related telecommunications and networking standards, including:
- ETSI EN 301 931 Series: Additional parts of this standard detail other critical interfaces and aspects of Intelligent Network Protocols.
- CAMEL Specifications (3GPP TS 23.078, TS 29.078): Define the overall CAMEL architecture and protocols, supporting mobile network service enhancements.
- H.323 and SIP/SDP Standards: Foundational protocols for multimedia communications over IP networks.
- ITU-T Q.120x Series: The global framework for Intelligent Network architecture, principles, and applications.
Summary
The SIST EN 301 931-3 V1.1.2:2005 standard is a foundational document for implementing the advanced features and interoperability required in modern European telecommunications networks. By harmonizing the SCF-SRF interface within the INAP CS3 environment, it enables operators to support a wide range of telephony and multimedia services efficiently and reliably, underpinning service innovation and network convergence.
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Frequently Asked Questions
SIST EN 301 931-3 V1.1.2:2005 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Intelligent Network (IN); Intelligent Network Capability Set 3 (CS3); Intelligent Network Application Protocol (INAP); Protocol specification; Part 3: SCF-SRF interface". This standard covers: Core INAP CS3 shall comprise the CAMEL phase 1, 2, and 3 (release 1999); ensuring a unique IN Network infrastructure for fixed network and mobile applications suitable for implementation in Europe. This shall contain the CAMEL Application Part (CAP) for specification for Phase 3 to support GSM The first release is has the following main topics: Multiple Point of Control, Enhanced CPH capabilities; Enhanced Charging; Number Portability, IN Support for H.323 and SIP/SDP architecture SPAR Phase 1 requirements. CAMEL Phase 3 Release 1999.
Core INAP CS3 shall comprise the CAMEL phase 1, 2, and 3 (release 1999); ensuring a unique IN Network infrastructure for fixed network and mobile applications suitable for implementation in Europe. This shall contain the CAMEL Application Part (CAP) for specification for Phase 3 to support GSM The first release is has the following main topics: Multiple Point of Control, Enhanced CPH capabilities; Enhanced Charging; Number Portability, IN Support for H.323 and SIP/SDP architecture SPAR Phase 1 requirements. CAMEL Phase 3 Release 1999.
SIST EN 301 931-3 V1.1.2:2005 is classified under the following ICS (International Classification for Standards) categories: 33.040.40 - Data communication networks. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 301 931-3 V1.1.2:2005 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-januar-2005
Inteligentno omrežje (IN) – Tretji nabor zmožnosti inteligentnega omrežja (CS3) –
Aplikacijski protokol inteligentnega omrežja (INAP) – Specifikacija protokola – 3.
del: Vmesnik SCF-SRF
Intelligent Network (IN); Intelligent Network Capability Set 3 (CS3); Intelligent Network
Application Protocol (INAP); Protocol specification; Part 3: SCF-SRF interface
Ta slovenski standard je istoveten z: EN 301 931-3 Version 1.1.2
ICS:
33.040.40 Podatkovna komunikacijska Data communication
omrežja networks
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
European Standard (Telecommunications series)
Intelligent Network (IN);
Intelligent Network Capability Set 3 (CS3);
Intelligent Network Application Protocol (INAP);
Protocol specification;
Part 3: SCF-SRF interface
2 ETSI EN 301 931-3 V1.1.2 (2001-09)
Reference
DEN/SPAN-03063/1-3
Keywords
CS3, CTM, IN, INAP, protocol, UPT
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© European Telecommunications Standards Institute 2001.
All rights reserved.
ETSI
3 ETSI EN 301 931-3 V1.1.2 (2001-09)
Contents
Intellectual Property Rights .9
Foreword.9
1 Scope.10
2 References.10
3 Definitions and abbreviations.10
3.1 Definitions . 10
3.2 Abbreviations. 10
4 Relationships .10
4.1 SRF-CCF relationship . 10
4.2 SCF-SRF relationship. 10
5 SCF FE Model.10
6 SRF FE Model.11
6.1 Resource Control Part (RCP). 12
6.1.1 SRF Resource Manager. 12
6.1.2 Transaction Module . 12
6.1.3 User Interaction-scripts (UI-Script) . 12
6.1.4 Resource Logic Library. 12
6.1.5 Resource Logic Instances. 12
6.2 Resource Function Part (RFP). 12
6.3 Data Part (DP). 12
7 SRF application entity procedures.13
7.1 The SRF management finite state model (SRME FSM). 13
7.2 The SRF call State Model: SRSM. 14
7.2.1 State 1: "Idle". 15
7.2.2 State 2: "Connected" . 16
7.2.3 State 3: "User interaction". 17
7.3 Example SRF control procedures. 18
7.3.1 SRF connect procedures. 19
7.3.1.1 SRF connect physical procedures. 19
7.3.1.1.1 SSF relay . 22
7.3.1.1.2 Direct Path SCP to IP . 22
7.3.1.1.3 Assist with relay. 23
7.3.1.1.4 Assist without relay. 23
7.3.1.1.5 Hand-off . 24
7.3.2 SRF end user interaction procedures. 24
7.3.2.1 (PA/P&C/P&R). 26
7.3.2.2 User Interaction Script. 27
7.3.3 SRF disconnection procedures. 27
7.3.3.1 SRF initiated disconnect . 29
7.3.3.2 SCF Initiated Disconnect . 29
7.3.4 Call-Unrelated Interaction . 30
7.3.5 Examples Illustrating Complete User Interaction Sequences . 31
7.3.5.1 SSP with integrated SRF. 31
7.3.5.2 SSP relays messages between SCP and IP. 32
7.3.5.3 Direct SCP-IP information transfer . 34
7.3.5.4 SSP assist(relay SSP). 35
7.3.5.5 Message sequences for service assist. 36
7.3.5.6 Message sequences for hand-off. 37
7.3.6 Example illustrating the use of SDSS . 38
8 SCF Application Entity procedure.39
8.1 The SCF Management state model for SRF. 39
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4 ETSI EN 301 931-3 V1.1.2 (2001-09)
8.1.1 The Activity Test FSM. 40
8.1.1.1 State M1: "Activity test idle" . 40
8.1.1.2 State M2: "Waiting for activity test response" .40
8.1.2 The Call GAP FSM. 40
8.1.2.1 State M1: "idle". 41
8.1.2.2 State M3: "Call GAP Active". 41
8.2 The SCF Call State Model (SCSM): FSM for specialized resource. 41
8.2.1 State R1: "SRF Control Idle". 42
8.2.2 State R2: "Controlling SRF". 42
9 Detailed Operation procedure .44
9.1 ActivityTest procedure . 44
9.1.1 General description . 44
9.1.2 Parameters. 44
9.1.2.1 Argument Parameters . 44
9.1.3 Invoking entity (SCF) . 44
9.1.3.1 Normal procedure. 44
9.1.3.2 Error handling . 44
9.1.4 Responding entity (SRF) . 44
9.1.4.1 Normal procedure. 44
9.1.4.2 Error handling . 44
9.2 AssistRequestInstructions procedure. 45
9.2.1 General description . 45
9.2.2 Parameters. 45
9.2.2.1 Argument Parameters . 45
9.2.3 Invoking entity (SRF) . 45
9.2.3.1 Normal procedure. 45
9.2.3.2 Error handling . 45
9.2.4 Responding entity (SCF). 45
9.2.4.1 Normal procedure. 45
9.2.4.2 Error handling . 46
9.3 Cancel procedure. 46
9.3.1 General description . 46
9.3.2 Parameters. 46
9.3.2.1 Argument Parameters . 46
9.3.3 Invoking entity (SCF) . 47
9.3.3.1 Normal procedure. 47
9.3.3.2 Error handling . 47
9.3.4 Responding entity (SRF) . 47
9.3.4.1 Normal procedure. 47
9.3.4.2 Error handling . 47
9.3.5 Responding entity (SSF) . 47
9.4 ConnectToResource procedure . 47
9.5 DisconnectForwardConnection procedure. 47
9.6 DisconnectForwardConnectionWithArgument procedure. 48
9.7 EstablishTemporaryConnection procedure. 48
9.8 PlayAnnouncement procedure . 48
9.8.1 General description . 48
9.8.2 Parameters. 48
9.8.2.1 Argument Parameters . 48
9.8.3 Invoking entity (SCF) . 49
9.8.3.1 Normal procedure. 49
9.8.3.2 Error handling . 49
9.8.4 Responding entity (SRF) . 49
9.8.4.1 Normal procedure. 49
9.8.4.2 Error handling . 50
9.9 PromptAndCollectUserInformation procedure . 50
9.9.1 General description . 50
9.9.2 Parameters. 50
9.9.2.1 Argument Parameters . 50
9.9.2.2 Result Parameters. 51
9.9.3 Invoking entity (SCF) . 51
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5 ETSI EN 301 931-3 V1.1.2 (2001-09)
9.9.3.1 Normal procedure. 51
9.9.3.2 Error handling . 51
9.9.4 Responding entity (SRF) . 52
9.9.4.1 Normal procedure. 52
9.9.4.2 Error handling . 53
9.10 PromptAndReceiveMessage procedure. 53
9.10.1 General description . 53
9.10.2 Parameters. 53
9.10.2.1 Argument Parameters . 53
9.10.2.2 Result Parameters. 54
9.10.3 Invoking entity (SCF) . 54
9.10.3.1 Normal procedure. 54
9.10.3.2 Error handling . 54
9.10.4 Responding entity (SRF) . 55
9.10.4.1 Normal procedure. 55
9.10.4.2 Error handling . 55
9.11 ReportUTSI procedure . 55
9.12 RequestReportUTSI procedure . 55
9.13 SendSTUI procedure . 56
9.14 ScriptClose procedure. 56
9.14.1 General description . 56
9.14.2 Parameters. 56
9.14.2.1 Argument Parameters . 56
9.14.3 Invoking entity (SCF) . 56
9.14.3.1 Normal procedure. 56
9.14.3.2 Error handling . 56
9.14.4 Responding entity (SRF) . 57
9.14.4.1 Normal procedure. 57
9.14.4.2 Error handling . 57
9.15 ScriptEvent procedure . 57
9.15.1 General Description . 57
9.15.2 Parameters. 57
9.15.2.1 Argument Parameters . 57
9.15.3 Invoking entity (SRF) . 58
9.15.3.1 Normal procedure. 58
9.15.3.2 Error handling . 58
9.15.4 Responding entity (SCF). 59
9.15.4.1 Normal procedure. 59
9.15.4.2 Error handling . 59
9.16 ScriptInformation procedure. 59
9.16.1 General description . 59
9.16.2 Parameters. 59
9.16.2.1 Argument Parameters . 59
9.16.3 Invoking entity (SCF) . 60
9.16.3.1 Normal procedure. 60
9.16.3.2 Error handling . 60
9.16.4 Responding entity (controlling SRF) . 60
9.16.4.1 Normal procedure. 60
9.16.4.2 Error Handling. 60
9.17 ScriptRun procedure. 60
9.17.1 General description . 60
9.17.2 Parameters. 61
9.17.2.1 Argument Parameters . 61
9.17.3 Invoking entity (SCF) . 61
9.17.3.1 Normal procedure. 61
9.17.3.2 Error handling . 61
9.17.4 Responding entity (SRF) . 61
9.17.4.1 Normal procedure. 61
9.17.4.2 Error handling . 62
9.18 SpecializedResourceReport procedure . 62
9.18.1 General description . 62
9.18.2 Parameters. 62
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9.18.2.1 Argument Parameters . 62
9.18.3 Invoking entity (SRF) . 62
9.18.3.1 Normal procedure. 62
9.18.3.2 Error handling . 62
9.18.4 Responding entity (SCF). 63
9.18.4.1 Normal procedure. 63
9.18.4.2 Error handling . 63
9.19 SRFCallGap procedure. 63
9.19.1 General description . 63
9.19.2 Parameters. 63
9.19.2.1 Argument Parameters . 63
9.19.3 Invoking entity (SRF) . 64
9.19.3.1 Normal procedure. 64
9.19.3.2 Error handling . 64
9.19.4 Responding entity (SCF). 64
9.19.4.1 Normal procedure. 64
9.19.4.2 Error handling . 65
10 Parameters.65
10.1 CallSegmentID. 65
10.2 CallSegmentToCancel. 65
10.3 CollectedInfo . 65
10.4 ControlType. 67
10.5 Digits. 67
10.6 CorrelationID. 68
10.7 DisconnectFromIPForbidden . 68
10.8 GapIndicators. 68
10.9 InformationToRecord. 68
10.10 InformationToSend . 69
10.11 LastEventIndicator . 70
10.12 LegID . 70
10.13 Media. 70
10.14 MailBoxID. 70
10.15 ReceivedStatus. 70
10.16 RecordedMessageID. 70
10.17 RecordedMessageUnits . 71
10.18 RequestAnnouncementComplete . 71
10.19 SRFgapCriteria . 71
10.20 SubscriberID. 71
10.21 UIScriptId. 71
10.22 UIScriptResultInfo . 71
10.23 UIScriptSpecificInfo. 71
11 Error procedures .72
11.1 Operation related error procedures. 72
11.1.1 Cancelled. 72
11.1.1.1 Operations SCF->SRF . 72
11.1.1.1.1 Procedures at invoking entity (SCF) . 72
11.1.1.1.2 Procedures at responding entity (SRF) . 73
11.1.2 ImproperCallerResponse. 73
11.1.2.1 Operations SCF->SRF . 73
11.1.2.1.1 Procedures at invoking entity (SCF) . 73
11.1.2.1.2 Procedures at responding entity (SRF) . 73
11.1.3 MissingCustomerRecord. 74
11.1.3.1 Operations SCF->SRF . 74
11.1.3.2 Operations SRF->SCF . 74
11.1.3.2.1 Procedures at invoking entity (SRF) . 74
11.1.3.2.2 Procedures at responding entity (SCF) . 74
11.1.4 MissingParameter . 74
11.1.4.1 Operations SCF->SRF . 74
11.1.4.1.1 Procedures at invoking entity (SCF) . 74
11.1.4.1.2 Procedures at responding entity (SRF) . 75
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7 ETSI EN 301 931-3 V1.1.2 (2001-09)
11.1.4.2 Operations SRF->SCF . 75
11.1.4.2.1 Procedures at invoking entity (SRF) . 75
11.1.4.2.2 Procedures at responding entity (SCF) . 75
11.1.5 ParameterOutOfRange . 75
11.1.5.1 Operations SCF->SRF . 75
11.1.6 SystemFailure. 76
11.1.6.1 Operations SCF->SRF . 76
11.1.6.2 Operations SRF->SCF . 76
11.1.7 TaskRefused . 76
11.1.7.1 Operations SCF->SRF . 76
11.1.7.2 Operations SCF->SRF . 76
11.1.7.3 Operations SRF->SCF . 76
11.1.8 UnavailableResource. 76
11.1.8.1 Operations SCF->SRF . 76
11.1.8.2 Operations SCF->SRF . 76
11.1.8.2.1 Procedures at invoking entity (SCF) . 76
11.1.8.2.2 Procedures at responding entity (SRF) . 77
11.1.9 UnexpectedComponentSequence. 77
11.1.9.1 Operations SCF->SRF . 77
11.1.9.2 Operations SRF->SCF . 77
11.1.10 UnexpectedDataValue. 77
11.1.10.1 Operations SCF->SRF . 77
11.1.10.2 Operations SCF->SRF . 78
11.1.10.3 Operations SRF->SCF . 78
11.1.11 UnexpectedParameter . 78
11.1.11.1 Operations SCF->SRF . 78
11.1.11.2 Operations SRF->SCF . 78
11.1.12 UnknownLegID . 78
11.1.12.1 Operations SCF->SRF . 78
11.1.13 UnknownSubscriber. 78
11.1.13.1 Operations SCF->SRF . 78
11.1.14 Expiration of TSRF. 79
11.1.14.1 General Description. 79
11.1.14.1.1 Error description . 79
11.1.14.2 Procedures SRF->SCF. 79
11.1.14.2.1 Procedures at the invoking entity (SRF). 79
11.1.14.2.2 Procedures at the responding entity (SCF). 79
12 ASN.1 Definition.79
12.1 IN CS-3 Types . 79
12.1.1 Data Types. 79
12.1.2 Classes.
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