SIST-V ETSI/EG 201 722 V1.2.1:2003
(Main)Intelligent Network (IN) - Service provider access requirements - Enhanced telephony services
General Information
- Abstract
This second version of EG 201 722 incorporates changes and clarifications into the existing document based on responses received from working groups attempting to implement the requirements and to correct any detected errors.
- Status
- Published
- Publication Date
- 31-Oct-2003
- Technical Committee
- SPN - Services and Protocols for Networks
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Nov-2003
- Due Date
- 01-Nov-2003
- Completion Date
- 01-Nov-2003
Overview
SIST-V ETSI/EG 201 722 V1.2.1:2003 is a Slovenian standard identical to ETSI EG 201 722 V1.2.1, focusing on intelligent network (IN) service provider access requirements for enhanced telephony services. This guidance document was updated to integrate feedback from working groups engaged in implementation, as well as to clarify requirements and address detected errors. The standard is structured to support service providers in accessing, controlling, and delivering advanced telephony services over telephone networks, aligning with international best practices.
Key Topics
Service Provider Access
Defines the requirements that enable service providers to securely and efficiently access intelligent network features within public telephone networks (PTN).Enhanced Telephony Services
Outlines functionalities for advanced telephony, such as call routing, caller identification, and feature invocation beyond basic telephony services.Functional Requirements
Addresses both circuit-related and non-circuit-related requirements, including:- Handling of Calling Line Identity (CLI) information
- Call setup and clear-down capabilities
- Supplementary services processing (e.g., message waiting, call barring override)
- User interaction without end-user charging
- Provision of information for call routing and destination determination
- Event traceability and traffic control
Network Interoperability
Emphasizes protocols and methods to support interoperability at the User-Network Interface (UNI) and Network-Network Interface (NNI) for seamless operation across multiple network layers and operators.
Applications
SIST-V ETSI/EG 201 722 V1.2.1:2003 is widely applicable for organizations aiming to deliver or manage advanced voice services over next-generation telephone networks. Typical applications include:
Telephony Service Providers:
Facilitating access to intelligent network features such as interactive voice response, alternate call routing, and enhanced caller identification.Network Operators:
Implementing the standard ensures compatibility and security when integrating third-party or value-added telephony services.Solution Developers:
Using these requirements to guide the development of telephony applications that must interface reliably with public and private telephone networks.Regulatory Compliance:
Assisting operators and service providers to conform with telecommunications regulations regarding access, security, and privacy for advanced telephony solutions.
Related Standards
For optimal implementation and to ensure technical compatibility, refer to these related standards:
ETSI EG 201 722
The basis for this Slovenian standard, detailing European guidance for intelligent network access and enhanced telephony.Telephony Network Standards (ICS 33.040.35):
Cover a broad spectrum of protocols and requirements for telephone networks and associated services.ETSI IN (Intelligent Network) Standards:
Outline the architecture, APIs, and interoperability criteria for network-based intelligence and value-added services.Other Service Access Protocol Standards:
Ensure proper communication across UNI and NNI within the IN framework.
Practical Value
By following SIST-V ETSI/EG 201 722 V1.2.1:2003, stakeholders can:
- Improve interoperability and reliability of enhanced telephony services
- Deliver high-value features like advanced call routing and CLI management
- Meet security, regulatory, and user experience requirements for telephone networks
- Facilitate integration and migration to intelligent network solutions
Keywords: intelligent network, service provider access, enhanced telephony, call routing, calling line identification (CLI), telephone networks, interoperability, supplementary services, regulatory compliance, ETSI standards.
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Frequently Asked Questions
SIST-V ETSI/EG 201 722 V1.2.1:2003 is a guide published by the Slovenian Institute for Standardization (SIST). Its full title is "Intelligent Network (IN) - Service provider access requirements - Enhanced telephony services". This standard covers: This second version of EG 201 722 incorporates changes and clarifications into the existing document based on responses received from working groups attempting to implement the requirements and to correct any detected errors.
This second version of EG 201 722 incorporates changes and clarifications into the existing document based on responses received from working groups attempting to implement the requirements and to correct any detected errors.
SIST-V ETSI/EG 201 722 V1.2.1:2003 is classified under the following ICS (International Classification for Standards) categories: 33.040.35 - Telephone networks. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST-V ETSI/EG 201 722 V1.2.1:2003 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-november-2003
Inteligentno omrežje (IN) - Zahteve dostopa ponudnika storitve - Izboljšane
telefonske storitve
Intelligent Network (IN) - Service provider access requirements - Enhanced telephony
services
Ta slovenski standard je istoveten z: EG 201 722 Version 1.2.1
ICS:
33.040.35 Telefonska omrežja Telephone networks
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
ETSI Guide
Intelligent Network (IN);
Service provider access requirements;
Enhanced telephony services
2 ETSI EG 201 722 V1.2.1 (2000-12)
Reference
REG/SPAN-141604
Keywords
protocol, telephony, access, UNI, NNI, IN
ETSI
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Copyright Notification
No part may be reproduced except as authorized by written permission.
The copyright and the foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 2000.
All rights reserved.
ETSI
3 ETSI EG 201 722 V1.2.1 (2000-12)
Contents
Intellectual Property Rights .8
Foreword.8
1 Scope.9
2 References.9
3 Definitions and abbreviations.10
3.1 Definitions . 10
3.2 Abbreviations. 11
4 Introduction.12
4.1 Current situation. 12
4.2 Regulatory aspects. 13
4.3 Security aspects. 13
4.4 Service interaction aspects. 14
4.5 Charging aspects . 14
4.6 Guidelines for the service provider access requirements . 15
5 Functional requirements for service provider access.15
5.1 Framework and overall list of the requirements. 15
5.2 Calling party information handling capabilities . 16
5.2.1 Reception of the calling line identity . 16
5.2.2 Presentation of the complete CLI information to the PTN . 16
5.2.3 Addition or substitution of a calling line identity. 17
5.2.4 Provision of CLI information to an SP-initiated call.17
5.2.5 Relaying of the malicious call identification data of a received call . 17
5.3 Basic call set-up and clear-down capabilities. 17
5.3.1 Return speech path connection from the terminating PTN to the calling party . 17
5.3.2 Routing of an originating or incoming call from the PTN to the SP . 17
5.3.3 Indication of an originating or incoming call from the PTN to the SP. 17
5.3.4 Routing of a terminating call from the PTN to the SP. 17
5.3.5 Indication of a terminating call from the PTN to the SP . 17
5.3.6 Reception of an indication of the cause of an unsuccessful call . 18
5.3.7 Provision of information for the destination and routing of a call. 18
5.3.8 Call drop-back . 18
5.3.9 User interaction without service charging of the end user. 18
5.3.10 Reception of the originally dialled digits. 18
5.3.11 Disconnection of a call in progress . 18
5.3.12 Connection of a call to an interactive voice response unit in the PTN . 18
5.3.13 Alternate routing of a call or the indication of a call to another "point of presence" of the SP. 18
5.4 Supplementary call and data processing capabilities. 19
5.4.1 Interrogation of a network termination point for data delivery. 19
5.4.2 Overriding of the "incoming call barring" supplementary service . 19
5.4.3 Bypassing of the "call diversion" supplementary service. 19
5.4.4 Message waiting indication . 19
5.5 Charging-related capabilities . 19
5.5.1 Changes in the charging rate of a call . 19
5.6 Traffic-related capabilities. 19
5.6.1 Event traceability. 19
5.6.2 Traffic control capabilities. 19
5.6.3 Avoidance of the cyclical routing of a call. 20
6 Circuit-related functional requirements .20
6.1 Call connection scenarios . 20
6.2 Calling party information handling capabilities . 21
6.2.1 Reception of the calling line identity . 21
6.2.1.1 Priority. 21
6.2.1.2 Example of usage . 21
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4 ETSI EG 201 722 V1.2.1 (2000-12)
6.2.1.3 Technical aspects. 21
6.2.1.4 Information flow chart. 22
6.2.2 Presentation of the complete CLI information to the PTN . 22
6.2.2.1 Priority. 22
6.2.2.2 Example of usage . 22
6.2.2.3 Technical aspects. 22
6.2.2.4 Information flow chart. 23
6.2.3 Addition or substitution of a calling line identity. 23
6.2.3.1 Priority. 23
6.2.3.2 Example of usage . 23
6.2.3.3 Technical aspects. 23
6.2.3.4 Information flow chart. 24
6.2.4 Provision of CLI information to an SP-initiated call.24
6.2.4.1 Priority. 24
6.2.4.2 Example of usage . 24
6.2.4.3 Technical aspects. 24
6.2.4.4 Information flow chart. 25
6.2.5 Relaying of the malicious call identification data of a received call . 25
6.2.5.1 Priority. 25
6.2.5.2 Example of usage . 25
6.2.5.3 Technical aspects. 25
6.2.5.4 Information flow chart. 25
6.3 Basic call set-up and clear-down capabilities. 27
6.3.1 Return speech path connection from the terminating PTN to the calling party . 27
6.3.1.1 Priority. 27
6.3.1.2 Example of usage . 27
6.3.1.3 Technical aspects. 27
6.3.1.4 Information flow chart. 27
6.3.2 Routing of an originating or incoming call from the PTN to the SP . 27
6.3.2.1 Priority. 28
6.3.2.2 Example of usage . 28
6.3.2.3 Technical aspects. 28
6.3.2.4 Information flow chart. 28
6.3.3 Indication of an originating or incoming call from the PTN to the SP. 29
6.3.4 Routing of a terminating call from the PTN to the SP. 29
6.3.4.1 Priority. 29
6.3.4.2 Example of usage . 29
6.3.4.3 Technical aspects. 29
6.3.4.4 Information flow chart. 30
6.3.5 Indication of a terminating call from the PTN to the SP . 30
6.3.6 Reception of an indication of the cause of an unsuccessful call . 31
6.3.6.1 Priority. 31
6.3.6.2 Example of usage . 31
6.3.6.3 Technical aspects. 31
6.3.6.4 Information flow chart. 31
6.3.7 Provision of information for the destination and routing of a call. 32
6.3.7.1 Priority. 32
6.3.7.2 Example of usage . 32
6.3.7.3 Technical aspects. 32
6.3.7.4 Information flow chart. 32
6.3.8 Call drop-back . 33
6.3.8.1 Priority. 33
6.3.8.2 Example of usage . 33
6.3.8.3 Technical aspects. 33
6.3.8.4 Information flow chart. 33
6.3.9 User interaction without service charging of the end user. 33
6.3.9.1 Priority. 33
6.3.9.2 Example of usage . 33
6.3.9.3 Technical aspects. 34
6.3.9.4 Information flow chart. 34
6.3.10 Reception of the originally dialled digits. 34
6.3.10.1 Priority. 34
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6.3.10.2 Example of usage . 34
6.3.10.3 Technical aspects. 34
6.3.10.4 Information flow chart. 35
6.3.11 Disconnection of a call in progress . 35
6.3.11.1 Priority. 36
6.3.11.2 Example of usage . 36
6.3.11.3 Technical aspects. 36
6.3.11.4 Information flow chart. 36
6.3.12 Connection of a call to an interactive voice response unit in the PTN . 36
6.3.13 Alternate routing of a call or the indication of a call to another "point of presence" of the SP. 36
6.3.13.1 Priority. 36
6.3.13.2 Example of usage . 37
6.3.13.3 Technical aspects. 37
6.3.13.4 Information flow chart. 37
6.4 Supplementary call and data processing capabilities. 37
6.4.1 Interrogation of a network termination point for data delivery. 37
6.4.1.1 Priority. 37
6.4.1.2 Example of usage . 37
6.4.1.3 Technical aspects. 37
6.4.1.4 Information flow chart. 38
6.4.2 Overriding of the "incoming call barring" supplementary service . 38
6.4.2.1 Priority. 38
6.4.2.2 Example of usage . 38
6.4.2.3 Technical aspects. 38
6.4.2.4 Information flow chart. 38
6.4.3 Bypassing of the "call diversion" supplementary service. 39
6.4.3.1 Priority. 39
6.4.3.2 Example of usage . 39
6.4.3.3 Technical aspects. 39
6.4.3.4 Information flow chart. 39
6.4.4 Message waiting indication . 40
6.4.4.1 Priority. 40
6.4.4.2 Example of usage . 40
6.4.4.3 Technical aspects. 40
6.4.4.4 Information flow chart. 40
6.5 Charging-related capabilities . 41
6.5.1 Changes in the charging rate of a call . 41
6.5.1.1 Priority. 41
6.5.1.2 Example of usage . 41
6.5.1.3 Technical aspects. 41
6.5.1.4 Information flow chart. 41
6.6 Traffic-related capabilities. 42
6.6.1 Event traceability. 42
6.6.1.1 Priority. 42
6.6.1.2 Example of usage . 42
6.6.1.3 Technical aspects. 42
6.6.1.4 Information flow chart. 43
6.6.2 Traffic control capabilities. 43
6.6.2.1 Priority. 43
6.6.2.2 Example of usage . 43
6.6.2.3 Technical aspects. 43
6.6.2.4 Information flow chart. 43
6.6.3 Avoidance of the cyclical routing of a call. 44
6.6.3.1 Priority. 44
6.6.3.2 Example of usage . 44
6.6.3.3 Technical aspects. 44
6.6.3.4 Information flow chart. 44
7 Non-circuit-related functional requirements .44
7.1 Call connection scenarios . 44
7.2 Calling party information handling capabilities . 45
7.2.1 Reception of the calling line identity . 45
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7.2.1.1 Priority. 45
7.2.1.2 Example of usage . 46
7.2.1.3 Technical aspects. 46
7.2.1.4 Information flow chart. 46
7.2.2 Presentation of the complete CLI information to the PTN . 46
7.2.2.1 Priority. 46
7.2.2.2 Example of usage . 46
7.2.2.3 Technical aspects. 46
7.2.2.4 Information flow chart. 46
7.2.3 Addition or substitution of a calling line identity. 47
7.2.3.1 Priority. 47
7.2.3.2 Example of usage . 47
7.2.3.3 Technical aspects. 47
7.2.3.4 Information flow chart. 47
7.2.4 Provision of CLI information to an SP-initiated call.48
7.2.4.1 Priority. 48
7.2.4.2 Example of usage . 48
7.2.4.3 Technical aspects. 48
7.2.4.4 Information flow chart. 48
7.2.5 Relaying of the malicious call identification data of a received call . 49
7.3 Basic call set-up and clear-down capabilities. 49
7.3.1 Return speech path connection from the terminating PTN to the calling party . 49
7.3.1.1 Priority. 49
7.3.1.2 Example of usage . 49
7.3.1.3 Technical aspects. 49
7.3.1.4 Information flow chart. 49
7.3.2 Routing of an originating or incoming call from the PTN to the SP . 50
7.3.3 Indication of an originating or incoming call from the PTN to the SP. 50
7.3.3.1 Priority. 50
7.3.3.2 Example of usage . 50
7.3.3.3 Technical aspects. 50
7.3.3.4 Information flow chart. 51
7.3.4 Routing of a terminating call from the PTN to the SP. 51
7.3.5 Indication of a terminating call from the PTN to the SP . 51
7.3.5.1 Priority. 51
7.3.5.2 Example of usage . 51
7.3.5.3 Technical aspects. 52
7.3.5.4 Information flow chart. 52
7.3.6 Reception of an indication of the cause of an unsuccessful call . 52
7.3.6.1 Priority. 53
7.3.6.2 Example of usage . 53
7.3.6.3 Technical aspects. 53
7.3.6.4 Information flow chart. 53
7.3.7 Provision of information for the destination and routing of a call. 53
7.3.7.1 Priority. 53
7.3.7.2 Example of usage . 53
7.3.7.3 Technical aspects. 54
7.3.7.4 Information flow chart. 54
7.3.8 Call drop-back . 54
7.3.9 User interaction without service charging of the end user. 54
7.3.10 Reception of the originally dialled digits. 54
7.3.10.1 Priority. 54
7.3.10.2 Example of usage . 54
7.3.10.3 Technical aspects. 54
7.3.10.4 Information flow chart. 54
7.3.11 Disconnection of a call in progress . 55
7.3.11.1 Priority. 55
7.3.11.2 Example of usage . 55
7.3.11.3 Technical aspects. 56
7.3.11.4 Information flow chart. 56
7.3.12 Connection of a call to an interactive voice response unit in the PTN . 56
7.3.12.1 Priority. 56
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7 ETSI EG 201 722 V1.2.1 (2000-12)
7.3.12.2 Example of usage . 56
7.3.12.3 Technical aspects. 56
7.3.12.4 Information flow chart. 56
7.3.13 Alternate routing of a call or the indication of a call to another "point of presence" of the SP. 57
7.3.13.1 Priority. 57
7.3.13.2 Example of usage . 57
7.3.13.3 Technical aspects. 57
7.3.13.4 Information flow chart. 57
7.4 Supplementary call and data processing capabilities. 58
7.4.1 Interrogation of a network termination point for data delivery. 58
7.4.1.1 Priority. 58
7.4.1.2 Example of usage . 58
7.4.1.3 Technical aspects. 58
7.4.1.4 Information flow chart. 58
7.4.2 Overriding of the "incoming call barring" supplementary service . 59
7.4.2.1 Priority. 59
7.4.2.2 Example of usage . 59
7.4.2.3 Technical aspects. 59
7.4.2.4 Information flow chart. 59
7.4.3 Bypassing of the "call diversion" supplementary service. 60
7.4.3.1 Priority. 60
7.4.3.2 Example of usage . 60
7.4.3.3 Technical aspects. 60
7.4.3.4 Information flow chart. 60
7.4.4 Message waiting indication . 60
7.4.4.1 Priority. 60
7.4.4.2 Example of usage . 60
7.4.4.3 Technical aspects. 60
7.4.4.4 Information flow chart. 61
7.5 Charging-related capabilities . 61
7.5.1 Changes in the charging rate of a call . 61
7.5.1.1 Priority. 61
7.5.1.2 Example of usage . 61
7.5.1.3 Technical aspects. 61
7.5.1.4 Information flow chart. 61
7.6 Traffic-related capabilities. 62
7.6.1 Event traceability. 62
7.6.1.1 Priority. 62
7.6.1.2 Example of usage . 62
7.6.1.3 Technical aspects. 62
7.6.1.4 Information flow chart. 62
7.6.2 Traffic control capabilities. 63
7.6.2.1 Priority.
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