Human Factors (HF); User Experience; 3G and Mobile Broadband Interoperability Plugtest: Approach, scenarios and test specification; Outcomes, conclusions and recommendations

DTR/HF-00083

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Status
Published
Publication Date
05-Nov-2008
Technical Committee
Current Stage
12 - Completion
Due Date
13-Nov-2008
Completion Date
06-Nov-2008
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ETSI TR 102 548 V1.1.1 (2008-11) - Human Factors (HF); User Experience; 3G and Mobile Broadband Interoperability Plugtest: Approach, scenarios and test specification; Outcomes, conclusions and recommendations
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ETSI TR 102 548 V1.1.1 (2008-11)
Technical Report


Human Factors (HF);
User Experience;
3G and Mobile Broadband Interoperability Plugtest:
Approach, scenarios and test specification;
Outcomes, conclusions and recommendations



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2 ETSI TR 102 548 V1.1.1 (2008-11)



Reference
DTR/HF-00083
Keywords
3G, HF, interface, interoperability, UMTS, user
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© European Telecommunications Standards Institute 2008.
All rights reserved.

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DECT , PLUGTESTS , UMTS , TIPHON , the TIPHON logo and the ETSI logo are Trade Marks of ETSI registered
for the benefit of its Members.
TM
3GPP is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners.
ETSI

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3 ETSI TR 102 548 V1.1.1 (2008-11)
Contents
Intellectual Property Rights . 5
Foreword . 5
Introduction . 5
1 Scope . 7
2 References . 7
2.1 Normative references . 7
2.2 Informative references . 7
3 Definitions and abbreviations . 10
3.1 Definitions . 10
3.2 Abbreviations . 11
4 Background . 11
4.1 The importance of a good ICT user experience for interoperable services . 11
4.2 ETSI Technical Committee Human Factors (TC HF) . 12
TM
4.3 Interoperability and the ETSI Plugtests concept . 12
5 An introduction to applicable ETSI TC HF deliverables . 14
5.1 Basic areas . 14
5.2 Mobile communication . 15
5.3 Specific accessibility work . 16
5.4 Personalization, internationalization and user identification . 17
5.5 Specific application areas . 19
6 A usage life-cycle oriented approach . 20
7 Event planning, organization and overview . 21
7.1 Planning and organization: three trials . 21
7.2 The Plugtest event (April 24-26, 2007) . 22
7.2.1 Day 1: User Requirements, Human Factors and Practical Experiences Conference . 22
7.2.2 Day 2: Plugtests sessions: 3G and Mobile Broadband Enabled Services . 24
7.2.3 Day 3: Plugtests continued: Accessible Mobile and Web-Based, Conversational Services . 24
7.3 Organizational efforts . 24
8 The use case and focus area specifications for the first and second Plugtest events . 24
8.1 Persona and scenario . 25
8.2 Session 1: Introduction, overview and warm-up . 25
8.3 Session 2: Pre-purchase/subscription . 26
8.4 Session 3: Ownership/use . 26
8.5 Session 4: Re-purchase/subscription . 27
8.6 Session 5: Applications . 27
8.6.1 eHealth . 28
8.6.2 eGovernment. 28
8.6.3 Messaging and media handling . 28
8.6.4 Software applications: emergency communications and gaming . 29
8.6.5 Assistive device connectivity and capabilities . 29
8.7 Session 6: Debrief workshop, results summary and conclusions . 29
9 Plugtest . 30
9.1 Day 1: Presentations . 30
9.2 Day 2: Focus area sessions . 32
9.2.1 Session 1: Mobile messaging . 32
9.2.1.1 Generating SMS messages in another language and changing SMS language settings . 32
9.2.1.2 Issues related to multi-byte characters in SMS messages . 33
9.2.2 Session 2: Seamless networking . 33
9.2.2.1 Identification of available and selection of preferred communication access network . 33
9.2.3 Session 3: Multimodal communication. 34
ETSI

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4 ETSI TR 102 548 V1.1.1 (2008-11)
9.2.4 Session 4: Assistive device connectivity . 34
9.2.4.1 Introduction . 34
9.2.4.2 Testing procedure . 34
9.2.4.3 Scenarios . 35
9.2.4.4 Final discussions on the outcome . 36
9.2.5 Outcome and conclusions of Day 2 . 36
9.2.5.1 The selection of sessions . 36
9.2.5.2 Generating SMS messages in another language and changing SMS language settings - outcome
and conclusions . 37
9.2.5.3 Issues related to multi-byte characters in SMS messages - outcome and conclusions . 39
9.2.5.4 Multimodal communication - outcome and conclusions . 39
9.3 Day 3: Accessible mobile and web-based conversational services . 39
10 Challenges, achievements and lessons learned . 45
10.1 The challenges in running a User Experience Interoperability event . 45
10.1.1 Availability of attendees . 45
10.1.2 The effect of a competitive marketplace and associated costs . 45
10.1.3 The involvement of disability advocacy groups . 46
11 Outcomes, conclusions and recommendations . 46
11.1 Outcomes . 46
11.1.1 October 10-13, 2006 and January 23-26, 2007 event attempts . 46
11.1.2 April 24-26, 2007 event . 46
11.1.3 Conclusion from the April 2007 Plugtest event . 47
11.1.4 Participants and their feedback . 48
11.2 Overall conclusions about and recommendations for future Human Factors/ user experience
interoperability events . 49
History . 50

ETSI

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5 ETSI TR 102 548 V1.1.1 (2008-11)
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://webapp.etsi.org/IPR/home.asp).
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 Technical Report (TR) has been produced by ETSI Technical Committee Human Factors (HF).
Intended users of the present document (as well as event participants) includes user experience and interaction design
professionals, designers and developers of mobile networks, terminals, services and applications, mobile network and
system providers and operators, terminal approvers, private and public requirement writers, consumer associations and
user organizations, roaming managers, marketing, product management, industry associations and their members,
policy makers and other interested stakeholders.
The event was addressed to infrastructure developers, mobile and broadband network operators, service providers,
handset manufacturers, application providers and others interested.
Introduction
Mobile ICT plays an increasingly important role in the daily life and activities of many people. There is enormous
potential for improving the user experience, if connectivity and interoperability between 3G devices, services,
applications and the Internet is designed and developed in a way that makes them usable by and accessible to all end
users.
People travel more than ever before both in business and for leisure and expect their mobile information and
communication services to work seamlessly across borders and continents. The success story of GSM voice and text
communication has also built expectations that are projected to more sophisticated services enabled by GPRS and 3G
infrastructures. In the mean time, there is also pressure from various sources to decrease the differences between the
cost of communication in the home network and foreign networks that further contributes to this trend. Therefore, the
roaming user experience is more important than ever before and should offer automated interoperability with similar
functional access, under full user control.
An effective e-society relies on the fact that all citizens are granted equal access. Ensuring interoperable access to
mobile ICT services for all is a common goal for vendors, operators, service providers, user associations, consumer
groups and policy makers. Achieving this will pave the way for a successful uptake of future, more advanced
application areas of public interest such as telecare services, community focused applications or video telephony
services targeting impaired users.
Mobile communication is a significant commercial and public policy success in eEurope. GSM and GPRS-based
products have contributed significantly to the take-up of telephony among previously unconnected households,
decreased social exclusion and the digital divide. This is in line with the "eEurope 2005 Mid-term review"
(COM(2004) 108 [i.45]), stating that "…stimulating use and creating new services has become the central goal of
eEurope 2005" and "…interoperable pan-European services…is a match with EU policy objectives and the needs of
European citizens".
ETSI

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6 ETSI TR 102 548 V1.1.1 (2008-11)
With the advent of more advanced and sophisticated services enabled by 3G/UMTS networks, terminals, applications
and services, there are concerns that an increasing number of consumers may experience difficulties due to the
increased complexity and an often sub-optimized user experience of mobile communication terminals and services. In
order to overcome these serious potential risks, "Interoperability is critical for the deployment of mobile broadband
services". Furthermore, "…industry to take steps towards interoperability for mobile broadband services as a matter of
urgency" (the key conclusion of the European Commission's Communication COM(2004) 447 [i.46] on "Mobile
broadband services").
Important user requirements such as easy, accessible and successful setup, configuration and access, excellent usability
and accessibility, high reliability, fair stability, reliable and understandable security, seamless connectivity and
interoperability are quickly becoming decisive success criteria for the uptake and usage of communication, information
access, applications and services, a necessity in today's e-European society.
The on-going paradigm shift towards a knowledge-intensive Information Society has brought about radical changes in
the way people work and interact with each other and with information.
Since the launch of the "eEurope - Information Society for All" initiative of the European Commission in 2000, the
European Union (EU) has adopted a policy towards ensuring that all its citizens benefit from the changes the
Information Society is bringing. This commitment is now further continued and enhanced in the i2010 (European
Information society in 2010) initiative, which aims to provide an integrated approach to information society in the EU,
covering regulation, research, and deployment and promoting cultural diversity, with the objective to ensure that
Europe's citizens, businesses and governments make the best use of ICTs in order to improve industrial
competitiveness, support growth and the creation of jobs and to help address key societal challenges.
Several human factors deliverables including technical reports, guidelines and standards developed by ETSI under the
and co-sponsored by the above mentioned initiatives, are directly applicable to product implementations. This Plugtests
event will, based on realistic scenarios and in the context of a body of best practices, examine the level of
interoperability, user support and knowledge transfer offered by 3G-compatible products.
Ensuring interoperable access to mobile communication services for all is a common goal for vendors, operators,
service providers, user associations, consumer groups and policy makers. Achieving this will pave the way for a
successful uptake of future, more advanced application areas of public interest such as telecare services, community
focused applications or video telephony services targeting impaired users.
ETSI

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7 ETSI TR 102 548 V1.1.1 (2008-11)
1 Scope
The present document provides:
• the background, approach, scenarios, test specification and other necessary information for the performance of
an ETSI "3G & Mobile Broadband Interoperability Plugtest" event (held during April 24-26, 2008); and
• a summary of the event's results, achievements, outcomes, conclusions and recommendations.
The event, the very first of its kind, addressed the user experience of mobile ICT services, based on realistic scenarios
and ETSI Human Factors standards, guidelines and recommendations. In the context of a body of best practices human
factor enablers and the level of interoperability, user support and knowledge transfer offered by 3G-compatible products
throughout the most relevant phases os use (addressed through a product/use lifecycle perspective) were examined,
discussed and concluded.
2 References
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific.
• For a specific reference, subsequent revisions do not apply.
• Non-specific reference may be made only to a complete document or a part thereof and only in the following
cases:
- if it is accepted that it will be possible to use all future changes of the referenced document for the
purposes of the referring document;
- for informative references.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
For online referenced documents, information sufficient to identify and locate the source shall be provided. Preferably,
the primary source of the referenced document should be cited, in order to ensure traceability. Furthermore, the
reference should, as far as possible, remain valid for the expected life of the document. The reference shall include the
method of access to the referenced document and the full network address, with the same punctuation and use of upper
case and lower case letters.
NOTE: While any hyperlinks included in this clause were valid at the time of publication ETSI cannot guarantee
their long term validity.
2.1 Normative references
The following referenced documents are indispensable for the application of the present document. For dated
references, only the edition cited applies. For non-specific references, the latest edition of the referenced document
(including any amendments) applies.
Not applicable.
2.2 Informative references
The following referenced documents are not essential to the use of the present document but they assist the user with
regard to a particular subject area. For non-specific references, the latest version of the referenced document (including
any amendments) applies.
[i.1] ETSI EG 201 472: "Human Factors (HF); Usability evaluation for the design of
telecommunication systems, services and terminals".
ETSI

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8 ETSI TR 102 548 V1.1.1 (2008-11)
[i.2] ETSI EG 202 132: "Human Factors (HF); User Interfaces; Guidelines for generic user interface
elements for mobile terminals and services".
[i.3] ETSI EG 202 416: "Human Factors (HF); User Interfaces; Setup procedure design guidelines for
mobile terminals and services".
[i.4] ETSI EG 202 417: "Human factors (HF); User education guidelines for mobile terminals and
services".
[i.5] ETSI TS 102 511: "Human Factors (HF); AT Commands for Assistive Mobile Device Interfaces".
[i.6] ETSI TR 102 068: "Human Factors (HF); Requirements for assistive technology devices in ICT".
[i.7] ETSI ES 202 076: "Human Factors (HF); User Interfaces; Generic spoken command vocabulary
for ICT devices and services".
[i.8] ETSI EN 301 462: "Human Factors (HF); Symbols to identify telecommunications facilities for
the deaf and hard of hearing people".
[i.9] ETSI EG 202 116: "Human Factors (HF); Guidelines for ICT products and services; "Design for
All"".
[i.10] ETSI TR 102 133: "Human Factors (HF); Access to ICT by young people: issues and guidelines".
[i.11] ETSI EG 202 423: "Human Factors (HF); Guidelines for the design and deployment of ICT
products and services used by children".
[i.12] ETSI EG 202 191: "Human Factors (HF); Multimodal interaction, communication and navigation
guidelines".
[i.13] ETSI TR 101 767: "Human Factors (HF); Symbols to identify telecommunications facilities for
deaf and hard of hearing people; Development and evaluation".
[i.14] ETSI ETR 095: "Human Factors (HF); Guide for usability evaluations of telecommunications
systems and services".
[i.15] ETSI TR 102 202: "Human Factors (HF); Human Factors of work in call centres".
[i.16] Void.
[i.17] ETSI TR 102 415; "Human Factors (HF); Telecare services; Issues and recommendations for user
aspects".
[i.18] ETSI EG 202 421: "Human Factors (HF); Multicultural and language aspects of multimedia
communications ".
[i.19] ETSI SR 001 996: "Human Factors (HF); An annotated bibliography of documents dealing with
Human Factors and disability".
[i.20] ETSI EG 201 103: "Human Factors (HF); Human factors issues in Multimedia Information
Retrieval Services (MIRS)".
[i.21] ETSI ETR 297 Edition 1: "Human Factors (HF); Human Factors in Videotelephony".
[i.22] ETSI ES 201 275: "Human Factors (HF); User control procedures in basic call, point-to-point
connections, for Integrated Services Digital Network (ISDN) videotelephony".
[i.23] ETSI ES 202 432: "Human Factors (HF); Access symbols for use with video content and ICT
devices".
[i.24] ETSI EG 202 048: "Human Factors (HF); Guidelines on the multimodality of icons, symbols and
pictograms".
[i.25] ETSI ETS 300 375: "Human Factors (HF); Pictograms for point-to-point videotelephony".
[i.26] ETSI ETR 070: "Human Factors (HF); The Multiple Index Approach (MIA) for the evaluation of
pictograms".
ETSI

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9 ETSI TR 102 548 V1.1.1 (2008-11)
[i.27] ETSI ETR 329: "Human Factors (HF); Guidelines for procedures and announcements in Stored
Voice Services (SVS) and Universal Personal Telecommunication (UPT)".
[i.28] ETSI ES 202 130: "Human Factors (HF); User Interfaces; Character repertoires, orderings and
assignments to the 12-key telephone keypad (for European languages and other languages used in
Europe)".
[i.29] ETSI ES 201 381: "Human Factors (HF); Telecommunications keypads and keyboards; Tactile
identifiers".
[i.30] ETSI EG 202 325: "Human Factors (HF); User Profile Management".
[i.31] ETSI EG 202 067: "Universal Communications Identifier (UCI); System framework".
[i.32] ETSI ETR 333: "Human Factors (HF); Text Telephony; Basic user requirements and
recommendations".
[i.33] ETSI TR 101 806: "Human Factors (HF); Guidelines for Telecommunication Relay Services for
Text Telephones".
[i.34] ETSI EG 202 320: "Human Factors (HF); Duplex Universal Speech and Text (DUST)
communications".
[i.35] ETSI EG 202 534: "Human Factors (HF); Guidelines for real-time person-to-person
communication services".
[i.36] ETSI White Paper No. 3: "Achieving Technical Interoperability - the ETSI Approach".
[i.37] European Commission Mandate M 376: "Mandate M 376 (Standardization mandate to CEN,
CENELEC and ETSI in support of European accessibility requirements for public procurement of
products and services in the ICT domain)".
NOTE: Available at http://www.etsi.org/WebSite/document/aboutETSI/EC_Mandates/m376en.pdf.
[i.38] ISO 9241-11: "Ergonomic requirements for office work with visual display terminals (VDTs) --
Part 11: Guidance on usability".
[i.39] ETSI ETR 116: "Human Factors (HF); Human factors guidelines for ISDN Terminal equipment
design".
[i.40] ETSI ETR 175: "Human Factors (HF); User procedures for multipoint videotelephony".
[i.41] ISO 20282: "Ease of operation of everyday products".
[i.42] ETSI TS 100 900: "Digital cellular telecommunications system (Phase 2+) (GSM); Alphabets and
language-specific information (GSM 03.38)".
[i.43] IETF RFC 4103: "RTP Payload for Text Conversation".
[i.44] ETSI EG 202 487: "Human Factors (HF); User experience guidelines; Telecare services
(eHealth)".
[i.45] COM(2004) 108: "Communication from the commission to the council, the European Parliament,
the European economic and sociam committee and the committee of the regions".
[i.46] COM(2004) 447: "Communication from the commission to the Council, the European Parliament,
the European economic and social committee and the committee of the regions".
[i.47] ITU-T Recommendation T.140: "Protocol for multimedia application text conversation".
ETSI

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10 ETSI TR 102 548 V1.1.1 (2008-11)
3 Definitions and abbreviations
3.1 Definitions
For the purposes of the present document, the following terms and definitions apply:
design for all: design of products to be usable by all people, to the greatest extent possible, without the need for
specialized adoption
ICT devices and services: devices or services for processing information and/or supporting communication, which has
an interface to com
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