ETSI TS 102 511 V1.1.1 (2007-08) Technical Specification Human Factors (HF); AT Commands for Assistive Mobile Device Interfaces 2 ETSI TS 102 511 V1.1.1 (2007-08) Reference DTS/HF-00091 Keywords GSM, HF, ICT, interface, MMI, mobile, service, telephony, terminal, UMTS, user ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 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). 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ETSI 3 ETSI TS 102 511 V1.1.1 (2007-08) Contents Intellectual Property Rights................................................................................................................................7 Foreword.............................................................................................................................................................7 Introduction ........................................................................................................................................................7 1 Scope ........................................................................................................................................................9 2 References ................................................................................................................................................9 2.1 Normative references .........................................................................................................................................9 2.2 Informative references........................................................................................................................................9 3 Definitions and abbreviations.................................................................................................................11 3.1 Definitions........................................................................................................................................................11 3.2 Abbreviations ...................................................................................................................................................12 4 Background and issues ...........................................................................................................................13 4.1 Introduction ......................................................................................................................................................13 4.2 Assistive technology interfacing ......................................................................................................................13 4.2.1 When assistive devices are needed .............................................................................................................13 4.2.2 Classification of assistive devices...............................................................................................................13 4.3 Scope of AT commands ...................................................................................................................................14 4.4 Limitations .......................................................................................................................................................15 5 Usage Scenarios .....................................................................................................................................15 5.1 Introduction ......................................................................................................................................................15 5.2 Buying a new mobile phone.............................................................................................................................15 5.3 Using a voice output communication aid over the phone.................................................................................16 5.4 Usable menus ...................................................................................................................................................16 5.5 Using a camera on the phone............................................................................................................................17 5.6 Video telephony ...............................................................................................................................................18 6 Stakeholders ...........................................................................................................................................18 6.1 Overview ..........................................................................................................................................................18 6.2 Users.................................................................................................................................................................18 6.3 User advocates..................................................................................................................................................19 6.4 Developers of assistive devices........................................................................................................................19 6.5 Manufacturers of mobile devices .....................................................................................................................20 6.6 Network operators............................................................................................................................................20 6.7 Service providers..............................................................................................................................................20 6.8 Standardization bodies .....................................................................................................................................20 6.9 Policy makers ...................................................................................................................................................20 6.10 Regulatory authorities ......................................................................................................................................21 6.11 Emergency services..........................................................................................................................................21 6.12 Relationships between stakeholders and technology........................................................................................21 6.13 Requirements for satisfying the needs of the users ..........................................................................................22 7 Gap analysis ...........................................................................................................................................23 7.1 Introduction ......................................................................................................................................................23 7.2 Complete gaps..................................................................................................................................................24 7.2.1 Colour .........................................................................................................................................................24 7.2.2 Cursor control .............................................................................................................................................24 7.2.3 Font size......................................................................................................................................................24 7.2.4 Menu...........................................................................................................................................................24 7.2.5 Radio...........................................................................................................................................................24 7.2.6 Screen .........................................................................................................................................................24