Name: SIST ETS 300 935 E1:2003
Brand: SIST
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General Information

Abstract: This European Telecommunication Standard (ETS) gives the stage 2 descr iption of the Advice of Charge (AoC) supplementary services. The charging supplementary services currently defined are: - Advice of Charge (Information) (AoCI) (clause 1); - Advice of Charge (Charging) (AoCC) (clause 2).

Status: Published
Publication Date: 30-Nov-2003

ICS: 33.070.50 - Global System for Mobile Communication (GSM)

Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields

Current Stage: 6060 - National Implementation/Publication (Adopted Project)
Start Date: 01-Dec-2003
Due Date: 01-Dec-2003
Completion Date: 01-Dec-2003

Ref Project: ETSI ETS 300 935 ed.1 (1997-05) - Digital cellular telecommunications system; Advice of Charge (AoC) supplementary services; Stage 2 (GSM 03.86 version 5.0.1)

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SIST ETS 300 935 E1:2003

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Overview

SIST ETS 300 935 E1:2003 specifies the stage 2 description of the Advice of Charge (AoC) supplementary services within the digital cellular telecommunications system, specifically for the Global System for Mobile communications (GSM). Developed by the European Telecommunications Standards Institute (ETSI), this standard details the functional architecture, information flow, and logical states supporting AoC services, which provide mobile subscribers with essential charging information. The core AoC services addressed are Advice of Charge (Information) (AoCI) and Advice of Charge (Charging) (AoCC).

Key Topics

Advice of Charge (AoC) Supplementary Services
- AoCI (Advice of Charge - Information): Delivers charging information to subscribers, facilitating real-time awareness of call costs.
- AoCC (Advice of Charge - Charging): Enables network-driven control over charging, including call restrictions based on defined thresholds.
Service State Management
- Definition and handling of logical states (Provisioned, Not Provisioned, Active, Not Active).
- State transition models illustrating how service providers activate or modify AoC services per subscriber.
Information Storage and Flow
- Defines storage requirements of AoC-related service information in Home Location Registers (HLR) and Visitor Location Registers (VLR).
- Describes how information is transferred between the HLR, VLR, and Mobile Switching Centre (MSC).
Roaming Considerations
- Specifies how AoC functionality is managed and restricted for subscribers roaming across GSM networks, ensuring service consistency and accurate charging.
Impact on Network Elements
- Outlines the interactions required between network components-such as MSCs and mobile equipment-to ensure accurate generation, delivery, and acknowledgment of Charge Advice Information (CAI).

Applications

Advice of Charge (AoC) services play a crucial role in:

Mobile Call Cost Transparency
- Empowering subscribers with real-time cost information during voice calls, facilitating budget management for both individuals and businesses.
Billing Control and Management
- Enabling operators to enforce controls, such as preventing calls when usage limits are exceeded, which supports prepaid services and cost containment.
Roaming User Experience
- Ensuring subscribers receive consistent charging information and service restrictions regardless of their location within GSM networks.
Network and Service Optimization
- Supporting the delivery of supplementary services that enhance customer satisfaction and foster trust in mobile telecommunications providers.

These applications are especially relevant for service providers offering prepaid or corporate plans, enterprises with cost management needs, and end users seeking transparency and control over mobile expenses.

Related Standards

SIST ETS 300 935 E1:2003 references and complements several key GSM and ETSI standards:

GSM 01.04 (ETR 350): Definitions of abbreviations and acronyms used in GSM systems.
GSM 02.24 (ETS 300 923): Describes Charge Advice Information (CAI) for digital cellular telecommunications.
GSM 02.86: Stage 1 requirements for AoC supplementary services.
GSM 03.11 (ETS 300 928): Technical realization of supplementary services in GSM networks.

These standards collectively establish the technical foundation for implementing AoC supplementary services and enable interoperable, secure, and reliable charging capabilities across GSM mobile networks.

By adhering to SIST ETS 300 935 E1:2003, operators and equipment manufacturers ensure consistent and transparent charging functionalities, supporting robust account and cost management for GSM subscribers.

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Standard

SIST ETS 300 935 E1:2003

English language (21 pages)

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Frequently Asked Questions

What is SIST ETS 300 935 E1:2003?

SIST ETS 300 935 E1:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Digital cellular telecommunications system; Advice of Charge (AoC) supplementary services; Stage 2 (GSM 03.86 version 5.0.1)". This standard covers: This European Telecommunication Standard (ETS) gives the stage 2 descr iption of the Advice of Charge (AoC) supplementary services. The charging supplementary services currently defined are: - Advice of Charge (Information) (AoCI) (clause 1); - Advice of Charge (Charging) (AoCC) (clause 2).

What is the scope of SIST ETS 300 935 E1:2003?

This European Telecommunication Standard (ETS) gives the stage 2 descr iption of the Advice of Charge (AoC) supplementary services. The charging supplementary services currently defined are: - Advice of Charge (Information) (AoCI) (clause 1); - Advice of Charge (Charging) (AoCC) (clause 2).

What ICS categories does SIST ETS 300 935 E1:2003 belong to?

SIST ETS 300 935 E1:2003 is classified under the following ICS (International Classification for Standards) categories: 33.070.50 - Global System for Mobile Communication (GSM). The ICS classification helps identify the subject area and facilitates finding related standards.

How can I access SIST ETS 300 935 E1:2003?

SIST ETS 300 935 E1:2003 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)

SIST ETS 300 935 E1:2003

SLOVENSKI STANDARD
01-december-2003
'LJLWDOQLFHOLþQLWHOHNRPXQLNDFLMVNLVLVWHP±'RSROQLOQDVWRULWHYREYHVWLORRFHQL
$2&±6WRSQMD*60UD]OLþLFD
Digital cellular telecommunications system; Advice of Charge (AoC) supplementary
services; Stage 2 (GSM 03.86 version 5.0.1)
Ta slovenski standard je istoveten z: ETS 300 935 Edition 1
ICS:
33.070.50 Globalni sistem za mobilno Global System for Mobile
telekomunikacijo (GSM) Communication (GSM)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN ETS 300 935
TELECOMMUNICATION May 1997
STANDARD
Source: ETSI TC-SMG Reference: DE/SMG-030386Q
ICS: 33.020
Key words: Digital cellular telecommunications system, Global System for Mobile communications (GSM)
R
GLOBAL SYSTEM FOR
MOBILE COMMUNICATIONS
Digital cellular telecommunications system;
Advice of Charge (AoC) supplementary services - Stage 2
(GSM 03.86 version 5.0.1)
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
Postal address: F-06921 Sophia Antipolis CEDEX - FRANCE
Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
X.400: c=fr, a=atlas, p=etsi, s=secretariat - Internet: secretariat@etsi.fr
Tel.: +33 4 92 94 42 00 - Fax: +33 4 93 65 47 16
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 1997. All rights reserved.

Page 2
ETS 300 935 (GSM 03.86 version 5.0.1): May 1997
Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Editing and Committee Support Dept." at the address shown on the title page.

Page 3
ETS 300 935 (GSM 03.86 version 5.0.1): May 1997
Contents
Foreword .5
0 Scope .7
0.1 Normative references.7
0.2 Abbreviations .7
1 Advice of Charge (Information) (AoCI).8
1.1 Advice of Charge (Information) MSC SDL diagram.8
1.2 Advice of Charge (Information) mobile equipment SDL diagram .8
1.3 Advice of Charge (Information) information flow diagram .8
1.4 Information stored in the HLR.12
1.5 State transition model .12
1.6 Transfer of Information from HLR to VLR .12
1.7 Information stored in the VLR.12
1.8 Handover.12
2 Advice of Charge (Charging) (AoCC).13
2.1 Advice of Charge (Charging) MSC SDL diagram.13
2.2 Advice of Charge (Charging) mobile equipment SDL diagram.13
2.3 Advice of Charge (Charging) information flow diagram.13
2.4 AoCC subscriber roaming requirements .13
2.5 Information stored in the HLR.18
2.6 State transition model .18
2.7 Transfer of Information from HLR to VLR .18
2.8 Information stored in the VLR.18
2.9 Handover.18
Annex A (normative): Information stored in the MSC.19
Annex B (informative): Status of GSM 03.86.20
History .21

Page 4
ETS 300 935 (GSM 03.86 version 5.0.1): May 1997
Blank page
Page 5
ETS 300 935 (GSM 03.86 version 5.0.1): May 1997
Foreword
This European Telecommunication Standard (ETS) has been produced by the Special Mobile Group
(SMG) Technical Committee (TC) of the European Telecommunications Standards Institute (ETSI).
This ETS defines the stage 2 of the Advice of Charge (AoC) supplementary services within the digital
cellular telecommunications system.
The specification from which this ETS has been derived was originally based on CEPT documentation,
hence the presentation of this ETS may not be entirely in accordance with the ETSI rules.
Transposition dates
Date of adoption: 18 April 1997
Date of latest announcement of this ETS (doa): 31 August 1997
Date of latest publication of new National Standard
or endorsement of this ETS (dop/e): 28 February 1998
Date of withdrawal of any conflicting National Standard (dow): 28 February 1998

Page 6
ETS 300 935 (GSM 03.86 version 5.0.1): May 1997
Blank page
Page 7
ETS 300 935 (GSM 03.86 version 5.0.1): May 1997
0 Scope
This European Telecommunication Standard (ETS) gives the stage 2 description of the Advice of Charge
(AoC) supplementary services.
The charging supplementary services currently defined are:
- Advice of Charge (Information) (AoCI) (clause 1);
- Advice of Charge (Charging) (AoCC) (clause 2).
0.1 Normative references
This ETS incorporates by dated and undated reference, provisions from other publications. These
normative references are cited at the appropriate places in the text and the publications are listed
hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply
to this ETS only when incorporated in it by amendment or revision. For undated references, the latest
edition of the publication referred to applies.
[1] GSM 01.04 (ETR 350): "Digital cellular telecommunications system (Phase 2+);
Abbreviations and acronyms".
[2] GSM 02.24 (ETS 300 923): "Digital cellular telecommunications system;
Description of Charge Advice Information (CAI)".
[3] GSM 02.86: "Digital cellular telecommunications system; Advice of Charge
(AoC) supplementary services - Stage 1".
[4] GSM 03.11 (ETS 300 928): "Digital cellular telecommunications system;
Technical realization of supplementary services".
0.2 Abbreviations
Abbreviations used in this ETS are listed in GSM 01.04.

Page 8
ETS 300 935 (GSM 03.86 version 5.0.1): May 1997
1 Advice of Charge (Information) (AoCI)
1.1 Advice of Charge (Information) MSC SDL diagram
The SDL diagram for the Advice of Charge (Information) supplementary service within the MSC is given in
figure 1.1.
NOTE 1: AoC (Information) is not applicable to emergency calls.
NOTE 2: The request of generation of the Charge Advice Information (CAI) applies to AoC
initiation or charge modification.
1.2 Advice of Charge (Information) mobile equipment SDL diagram
The SDL diagram for the Advice of Charge (Information) supplementary service within the mobile
equipment is given in figure 1.2. This SDL indicates when charging calculations are started, amended and
stopped, within the mobile equipment. The mobile equipment should start charging calculations as soon as
possible after receiving the charging information. Charging calculations should be amended by the mobile
equipment in accordance with GSM 02.24.
NOTE: The point at which the charging calculations are amended can occur before or after
sending the AoC Acknowledge.
Charging calculations are stopped when the call ends for any reason.
The reception of the CAI shall be acknowledged only if the MS supports the AoCI functionality specified in
GSM 02.24 and GSM 02.86, however the network does not action this acknowledgement in the
AoC (Information) case.
1.3 Advice of Charge (Information) information flow diagram
The Advice of Charge (Information) information flow diagrams are shown in figure 1.3.

Page 9
ETS 300 935 (GSM 03.86 version 5.0.1): May 1997
Process AoCI_MSC 386_11(1)
Figure 1.1
call in
progress or
call set up
in progress
Request of generation of CAI
request
applies to AoC initiation or
generation
charge modification.
of CAI
generate
CAI
send CAI
continue call
or CAI: Charge Advice Information
call set up
Figure 1.1: SDL diagram of advice of charge (information) in the MSC

Page 10
ETS 300 935 (GSM 03.86 version 5.0.1): May 1997
Process AoCI_ME 386_12(1)
call set up
Figure 1.2
in progress
charging
information
start
charge
calculations
AoC
acknowledge
AoC
active
call charging
ends information
AoC
acknowledge
Point at which charging
stop amend
calculations are amended
charge charging
can occur before or after
calculations calculations
sending the AoC acknowledge.
AoC
clear call
active
Figure 1.2: SDL diagram of advice of charge (information) in the mobile equipment

Page 11
ETS 300 935 (GSM 03.86 version 5.0.1): May 1997
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Figure 1.3: Information flow for Advice of Charge (Information)

Page 12
ETS 300 935 (GSM 03.86 version 5.0.1): May 1997
1.4 Information stored in the HLR
AoCI may have the following logical states (refer to GSM 03.11 for an explanation of the notation):
Provisioning State Registration State Activation State HLR Induction State
(Not Provisioned, Not Applicable, Not Active, Not Induced)
(Provisioned, Not Applicable, Active and Operative, Not Induced)
The HLR shall store the logical state of AoCI (which shall be one of the valid states listed above) on a per
subscriber basis.
1.5 State transition model
The following figure shows the successful cases of transition between the applicable logic states of AoCI.
The state changes are caused by actions of the service provider.
Note that error cases are not shown in the diagram as they normally do not cause a state change.
Additionally, some successful requests may not cause a state change. Hence they are not shown in the
diagram.
Provision
(Not Provisioned, (Provisioned,
Not Registered, Not Applicable,
Not Active, Active and Operative,
Not Induced) Not Induced)
Withdrawal
Figure 1.4: State transition model for AoCI
1.6 Transfer of Information from HLR to VLR
If the provisioning state for AoCI is "Provisioned" then when the served subscriber registers on a VLR the
HLR shall send that VLR information about the logical state of AoCI.
If the
...

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SIST ETS 300 935 E1:2003

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Key Topics

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Related Standards

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SIST ETS 300 935 E1:2003

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