General Information

Abstract

Update resulting from work on number screening. To define enhancements of the existing CLI supplementary services in the ISDN and PSTN in order to limit the number of situations that calls will be rejected due to Anonymous Call Rejection (ACR) reasons. The purpose of these enhancements are to specify those network facilities that can be used to offer a solution for specific situations (e.g. calls originating from call centres and traffic being diverted due to least cost routing scenarios) where a number can not be presented in spite of the fact that the caller is willing to identify himself/herself. These enhancements should not interfere with the authentication function of the CLI supplementary services.  Reference document: ETSs 30089 Ed.1 and 300 090 Ed.1.

Status
Published
Publication Date
31-Mar-2005
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Apr-2005
Due Date
01-Apr-2005
Completion Date
01-Apr-2005

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SIST EN 300 089 V2.1.1:2005

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Overview

SIST EN 300 089 V2.1.1:2005 defines the Calling Line Identification Presentation (CLIP) supplementary service for the Integrated Services Digital Network (ISDN). Developed by the Slovenski inštitut za standardizacijo (SIST) and based on European standards (EN 300 089), this document provides a user-oriented service description, with emphasis on practical aspects of presenting caller identification for incoming ISDN calls. The standard includes enhancements focused on number screening, addressing scenarios such as anonymous call rejection (ACR), call centers, and diverted traffic in both ISDN and Public Switched Telephone Network (PSTN) environments.

Compliance with this standard ensures that network operators offer consistent and interoperable CLIP supplementary services, improving both user experience and regulatory conformity.

Key Topics

  • Calling Line Identification Presentation (CLIP): CLIP allows the called party to receive and display the caller’s ISDN number, ensuring transparency and user identification for incoming calls.
  • Number Screening Enhancements: Updates provide mechanisms to minimize unnecessary call rejections due to anonymous status, particularly for situations where caller information cannot be delivered despite the caller's willingness to identify themselves (e.g., call center calls or least cost routing).
  • Supplementary Service Interactions: The standard details how CLIP interworks with other supplementary services, such as Call Forwarding, Call Waiting, Call Hold, Malicious Call Identification (MCID), and Number Identification Restriction (CLIR).
  • Network and Interworking Requirements: The standard sets expectations for interactions between the public ISDN, private ISDNs, and non-ISDN networks. This covers scenarios where screening is handled internally within private networks or transferred through special arrangements in the public ISDN.
  • Extended Screening Options: Annexes describe network options for advanced number delivery (such as providing both screened and unscreened numbers) and enhanced handling of far-end breakout or least cost routing cases.

Applications

The CLIP supplementary service, as specified in SIST EN 300 089 V2.1.1:2005, is essential for:

  • Telecommunication Operators: Ensuring secure, reliable, and transparent caller identification to end-users, with provisions for special network scenarios.
  • Call Centers and Enterprises: Facilitating scenarios where outbound calls may be rerouted or handled by multiple systems, ensuring the correct caller ID is maintained and presented.
  • Regulatory Compliance: Supporting legal and regulatory requirements for number identification, protection against malicious or anonymous calls, and providing robust user privacy controls.
  • Technical Interoperability: Assuring compatibility across various ISDN services, private and public networks, and with supplementary services like call forwarding, subaddressing, and terminal portability.
  • End-User Confidence: Enhancing the overall customer experience by minimizing unnecessary call blocks, particularly where legitimate callers are able and willing to identify themselves.

Related Standards

For comprehensive ISDN and CLIP service deployment, consider the following related standards:

  • ETS 300 090: ISDN Calling Line Identification Restriction (CLIR) Supplementary Service.
  • ETS 300 091: ISDN CLIP and CLIR Supplementary Services - Functional Capabilities and Information Flows.
  • ETS 300 092: ISDN CLIP Supplementary Service - Digital Subscriber Signalling System No. 1 (DSS1) protocol.
  • ETS 300 050 / 062: Multiple Subscriber Number (MSN) and Direct Dialling In (DDI) supplementary services.
  • ITU-T Recommendations I.130, I.112, and E.164: Foundational ISDN service and numbering definitions.

SIST EN 300 089 V2.1.1:2005 plays a key role in standardizing caller identification on digital telecommunication networks, ensuring seamless, secure, and user-friendly ISDN service across diverse implementation scenarios. For organizations deploying ISDN services or handling complex call routing, adherence to this standard is integral to delivering high-quality, compliant communications solutions.

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SIST EN 300 089 V2.1.1:2005

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Frequently Asked Questions

SIST EN 300 089 V2.1.1:2005 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Integrated Services Digital Network (ISDN); Calling Line Identification Presentation (CLIP) supplementary service; Service description". This standard covers: Update resulting from work on number screening. To define enhancements of the existing CLI supplementary services in the ISDN and PSTN in order to limit the number of situations that calls will be rejected due to Anonymous Call Rejection (ACR) reasons. The purpose of these enhancements are to specify those network facilities that can be used to offer a solution for specific situations (e.g. calls originating from call centres and traffic being diverted due to least cost routing scenarios) where a number can not be presented in spite of the fact that the caller is willing to identify himself/herself. These enhancements should not interfere with the authentication function of the CLI supplementary services. Reference document: ETSs 30089 Ed.1 and 300 090 Ed.1.

Update resulting from work on number screening. To define enhancements of the existing CLI supplementary services in the ISDN and PSTN in order to limit the number of situations that calls will be rejected due to Anonymous Call Rejection (ACR) reasons. The purpose of these enhancements are to specify those network facilities that can be used to offer a solution for specific situations (e.g. calls originating from call centres and traffic being diverted due to least cost routing scenarios) where a number can not be presented in spite of the fact that the caller is willing to identify himself/herself. These enhancements should not interfere with the authentication function of the CLI supplementary services. Reference document: ETSs 30089 Ed.1 and 300 090 Ed.1.

SIST EN 300 089 V2.1.1:2005 is classified under the following ICS (International Classification for Standards) categories: 33.080 - Integrated Services Digital Network (ISDN). The ICS classification helps identify the subject area and facilitates finding related standards.

SIST EN 300 089 V2.1.1:2005 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-april-2005
'LJLWDOQRRPUHåMH]LQWHJULUDQLPLVWRULWYDPL ,6'1 ±'RSROQLOQDVWRULWHYSULND]
LGHQWLWHWH UD]SR]QDYQRVWL NOLþRþHJDSULNOMXþND &/,3 ±2SLVVWRULWYH
Integrated Services Digital Network (ISDN); Calling Line Identification Presentation
(CLIP) supplementary service; Service description
Ta slovenski standard je istoveten z: EN 300 089 Version 2.1.1
ICS:
33.080 Digitalno omrežje z Integrated Services Digital
integriranimi storitvami Network (ISDN)
(ISDN)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

European Standard (Telecommunications series)
Integrated Services Digital Network (ISDN);
Calling Line Identification Presentation (CLIP)
supplementary service;
Service description
2 ETSI EN 300 089 V2.1.1 (2000-06)
Reference
REN/SPAN-020086
Keywords
ISDN, supplementary service, CLIP, stage 1
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE
Tel.:+33492944200 Fax:+33493654716
Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88
Important notice
Individual copies of the present document can be downloaded from:
http://www.etsi.org
The present document may be made available in more than one electronic version or in print. In any case of existing or
perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF).
In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network
drive within ETSI Secretariat.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at http://www.etsi.org/tb/status/
If you find errors in the present document, send your comment to:
editor@etsi.fr
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 EN 300 089 V2.1.1 (2000-06)
Contents
Intellectual Property Rights.5
Foreword .5
1 Scope.6
2 References.6
3 Definitions and abbreviations .7
3.1 Definitions.7
3.2 Abbreviations .8
4 Description .8
5 Procedures.8
5.1 Provision and withdrawal .8
5.2 Normal procedures .8
5.2.1 Activation, deactivation and registration .8
5.2.2 Erasure.8
5.2.3 Invocation and operation .9
5.2.3.1 Calling user side.9
5.2.3.2 Called user side .9
5.2.4 Interrogation .9
5.3 Exceptional procedures .10
5.3.1 Activation, deactivation and registration .10
5.3.2 Erasure.10
5.3.3 Invocation and operation .10
5.3.4 Interrogation .10
6 Intercommunication considerations .10
6.1 Interworking with non-ISDNs .10
6.2 Interworking with private ISDNs .10
7 Interaction with other supplementary services.11
7.1 Advice of charge services.11
7.1.1 Charging information at call set-up time.11
7.1.2 Charging information during the call .11
7.1.3 Charging information at the end of the call.11
7.2 Call waiting .11
7.3 Call hold .11
7.4 Call transfer .11
7.4.1 Explicit call transfer.11
7.4.2 Single step call transfer.11
7.5 Number identification services.11
7.5.1 Calling line identification presentation .11
7.5.2 Calling line identification restriction .11
7.5.3 Connected line identification presentation.11
7.5.4 Connected line identification restriction .12
7.6 Closed user group.12
7.7 Completion of calls to busy subscriber.12
7.8 Conference services.12
7.8.1 Conference call, add-on .12
7.8.2 Meet me conference.12
7.9 Direct dialling in.12
7.10 Diversion services .12
7.10.1 Call forwarding unconditional .12
7.10.2 Call forwarding busy.12
7.10.3 Call forwarding no reply.13
7.10.4 Call deflection.13
7.11 Freephone.13
ETSI
4 ETSI EN 300 089 V2.1.1 (2000-06)
7.12 Malicious call identification .13
7.13 Multiple subscriber number.13
7.14 Subaddressing.13
7.15 Terminal portability.13
7.16 Three party .13
7.17 User-user signalling.13
Annex A (normative): Two calling party number delivery option.14
A.1 Scope.14
A.2 Description .14
Annex B (informative): Terminal interchangeability between public and private ISDNs .15
Annex C (informative): Extended screening option.16
C.1 Scope.16
C.2 Description .16
History.18
ETSI
5 ETSI EN 300 089 V2.1.1 (2000-06)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://www.etsi.org/ipr).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This European Standard (Telecommunications series) has been produced by ETSI Technical Committee Services and
Protocols for Advanced Networks (SPAN).
In accordance with CCITT Recommendation I.130 [1], the following three level structure is used to describe the
supplementary telecommunications services as provided by European public telecommunications operators under the
pan-European Integrated Services Digital Network (ISDN):
- Stage 1: is an overall service description, from the user's standpoint;
- Stage 2: identifies the functional capabilities and information flows needed to support the service described in
stage 1; and
- Stage 3: defines the signalling system protocols and switching functions needed to implement the service
described in stage 1.
The present document details the stage 1 aspects (overall service description) for the Calling Line Identification
Presentation (CLIP) supplementary service. The stage 2 and stage 3 aspects are detailed in ETS 300 091 [9] (1992) and
ETS 300 092 [10] (1992), respectively.
Addition of a new informative annex C, describing the incorporation of extended screening options. These additions
describe a method of operation of the screening function that is entirely consistent with the requirements of edition 1,
and therefore is entirely interoperable with existing implementations of the CLIP supplementary service.
National transposition dates
Date of adoption of this EN: 5 May 2000
Date of latest announcement of this EN (doa): 31 August 2000
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 28 February 2001
Date of withdrawal of any conflicting National Standard (dow): 28 February 2001
ETSI
6 ETSI EN 300 089 V2.1.1 (2000-06)
1 Scope
The present document defines the stage one of the Calling Line Identification Presentation (CLIP) supplementary
service for the pan-European Integrated Services Digital Network (ISDN) as provided by European public
telecommunications operators. Stage one is an overall service description from the user's point of view (see
CCITT Recommendation I.130 [1]), but does not deal with the details of the human interface itself.
The present document defines the interworking requirements of private ISDNs with the public ISDN.
In addition the present document specifies the base functionality where the service is provided to the user via a private
ISDN.
The present document does not specify the additional requirements where the service is provided to the user via a
telecommunications network that is not an ISDN but does include interworking requirements of other networks with the
public ISDN.
Interactions with supplementary services not listed in clause 8 are outside the scope of the present document.
Charging principles are outside the scope of the present document.
The CLIP supplementary service provides the called party with the possibility of receiving identification of the calling
party.
The CLIP supplementary service is applicable to all telecommunications services.
The present document is applicable to the stage two and stage three standards for the ISDN CLIP supplementary service.
The terms "stage two" and "stage three" are also defined in CCITT Recommendation I.130 [1]. Where the text indicates
the status of a requirement, (i.e. as strict command or prohibition, as authorization leaving freedom or, as a capability or
possibility), this shall be reflected in the text of the relevant stage two and stage three standards.
Furthermore, conformance to the present document is met by conforming to the stage three standards with the field of
application appropriate to the equipment being implemented. Therefore no method of testing is provided for the present
document.
2 References
The following documents contain provisions which, through reference in this text, constitute provisions of the present
document.
• References are either specific (identified by date of publication, edition number, version number, etc.) or
non-specific.
• For a specific reference, subsequent revisions do not apply.
• For a non-specific reference, the latest version applies.
• A non-specific reference to an ETS shall also be taken to refer to later versions published as an EN with the same
number.
[1] CCITT Recommendation I.130 (1988): "Method for the characterization of telecommunication
services supported by an ISDN and network capabilities of an ISDN".
[2] ITU-T Recommendation I.112 (1993): "Vocabulary of terms for ISDNs".
[3] ITU-T Recommendation E.164 (1997): "The international public telecommunication numbering
plan".
[4] ITU-T Recommendation I.210 (1993): "Principles of telecommunication services supported by an
ISDN and the means to describe them".
[5] ETSI ETS 300 062: "Integrated Services Digital Network (ISDN); Direct Dialling In (DDI)
supplementary service; Service description".
ETSI
7 ETSI EN 300 089 V2.1.1 (2000-06)
[6] ETSI ETS 300 050: "Integrated Services Digital Network (ISDN); Multiple Subscriber Number
(MSN) supplementary service; Service description".
[7] CCITT Recommendation Q.9 (1988): "Vocabulary of switching and signalling terms".
[8] ETSI ETS 300 090: "Integrated Services Digital Network (ISDN); Calling Line Identification
Restriction (CLIR) supplementary service; Service description".
[9] ETSI ETS 300 091: "Integrated Services Digital Network (ISDN); Calling Line Identification
Presentation (CLIP) and Calling Line Identification Restriction (CLIR) supplementary services;
Functional capabilities and information flows".
[10] ETSI ETS 300 092: "Integrated Services Digital Network (ISDN); Calling Line Identification
Presentation (CLIP) supplementary service; Digital Subscriber Signalling System No. one (DSS1)
protocol".
[11] ECMA-155: "Private Integrated Services Networks - Addressing (PTNA-2)".
3 Definitions and abbreviations
3.1 Definitions
For the purposes of the present document, the following terms and definitions apply.
Integrated Services Digital Network (ISDN): see ITU-T Recommendation I.112 [2], subclause 2.3, definition 308
Service; telecommunications service: see ITU-T Recommendation I.112 [2], subclause 2.2, definition 201
Supplementary service: see ITU-T Recommendation I.210 [4], subclause 2.4
ISDN number: number conforming to the numbering plan and structure specified in ITU-T Recommendation E.164 [3]
Subaddress: see ITU-T Recommendation E.164 [3], subclause 11.2
National (ISDN) number: see ITU-T Recommendation E.164 [3], subclause 3.2
International (ISDN) number: see ITU-T Recommendation E.164 [3], subclause 3.2
Partial number: part of an ISDN number which is significant for distinguishing between addressable entities beyond
the network boundary. The partial number digits and the partial number length shall be governed by the requirements of
the direct dialling in supplementary service and multiple subscriber number supplementary service (see ETS 300 062 [5]
and ETS 300 050 [6])
Default number: ISDN number registered within the public ISDN following prior agreement between the calling party
and the public ISDN
Screening: process whereby the network checks that a user provided information is acceptable to the network
Special arrangement: agreement between a customer and a public network operator whereby customer supplied callin
...