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  • ISO

    • ISO 9241 : Ergonomics of human-system interaction
      • Part 171 : Guidance on software accessibility
      • Part 210 : Human-centered design for interactive systems
    • ISO 30071 : Information technology - development of user interface accessibility



The following list of standards is not comprehensive. This table is reproduced from https://wiki.fluidproject.org/download/attachments/202506392/ICT%20Regulations%20Jursidictional%20Review.docx?api=v2

Standard Org

Task Group

Standard Title

Standard Number

ISO

TC159/SC1

Ergonomic principles in the design of work systems

ISO 6385:2004

ISO

TC159/SC1

Ergonomics -- Part 1: Basic concepts, terms and definitions

ISO/NP 6385-1

ISO

TC159/SC1

Ergonomics -- Part 2: Ergonomic principles in the design of work systems

ISO/NP 6385-2

ISO

TC159/SC1

Ease of operation of everyday products -- Part 1: Context of use and user characteristics

ISO/DIS 20282-1

ISO

TC159/SC1

Ease of operation of everyday products -- Part 2: Test method

ISO/CD TS 20282-2

ISO

TC159/SC1

Ergonomic principles related to mental work-load -- General terms and definitions

ISO 10075:1991

ISO

TC159/SC1

Ergonomic principles related to mental workload -- Part 2: Design principles

ISO 10075-2:1996

ISO

TC159/SC1

Ergonomic principles related to mental workload -- Part 3: Principles and requirements concerning methods for measuring and assessing mental workload

ISO 10075-3:2004

ISO

TC159/SC3

Basic human body measurements for technological design -- Part 1: Body measurement definitions and landmarks

ISO/AWI 7250-1

ISO

TC159/SC3

Basic human body measurements for technological design -- Part 2: Statistical summaries of body measurements from individual ISO populations

ISO/AWI 7250-2

ISO

TC159/SC3

Ergonomics -- Evaluation of static working postures

ISO 11226:2000

ISO

TC159/SC3

Ergonomics -- Manual handling -- Part 1: Lifting and carrying

ISO 11228-1:2003

ISO

TC159/SC3

Ergonomics -- Manual handling -- Part 2: Pushing and pulling

ISO/DIS 11228-2

ISO

TC159/SC3

Ergonomics -- Manual handling -- Part 3: Handling of low loads at high frequency

ISO/DIS 11228-3

ISO

TC159/SC3

Safety of machinery -- Anthropometric requirements for the design of workstations at machinery

ISO 14738:2002/Cor 2:2005

ISO

TC159/SC3

Ergonomic design for the safety of machinery -- Part 1: Principles for determining the dimensions required for openings for whole-body access into machinery

ISO 15534-1

ISO

TC159/SC3

Ergonomic design for the safety of machinery -- Part 2: Principles for determining the dimensions required for access openings

ISO 15534-2

ISO

TC159/SC3

Ergonomic design for the safety of machinery -- Part 3: Anthropometric data

ISO 15534-3

ISO

TC159/SC3

Ergonomics -- Computer manikins and body templates -- Part 1: General requirements

ISO 15536-1:2005

ISO

TC159/SC3

Ergonomics -- Computer manikins and body templates -- Part 2: Verification of functions and validation of dimensions for computer manikin systems

ISO/FDIS 15536-2

ISO

TC159/SC3

Ergonomic procedures for the improvement of local muscular workloads -- Part 1: Guidelines for reducing local muscular workloads

ISO/TS 20646-1:2004

ISO

TC159/SC4

Ergonomic requirements for design on spatial orientation and directions of movements

ISO/CD 1503

ISO

TC159/SC4

Ergonomic requirements for office work with visual display terminals (VDTs) Part 1-17

ISO 9241

ISO

TC159/SC4

Ergonomics of human system interaction -- Accessibility guideline for information communication equipment and services -- Part 20: General guidelines

ISO/CD 9241-20

ISO

TC159/SC4

Ergonomics of human-system interaction -- Part 300: Introduction to requirements and measurement techniques for electronic visual displays

ISO/DIS 9241-300

ISO

TC159/SC4

Ergonomics of human-system interaction -- Part 302: Terminology for electronic visual displays

ISO/DIS 9241-302

ISO

TC159/SC4

Ergonomics of human-system interaction -- Part 303: Requirements for electronic visual displays

ISO/DIS 9241-303

ISO

TC159/SC4

Ergonomics of human-system interaction -- Ergonomic requirements and measurement techniques for electronic visual displays -- Part 304: User performance test method

ISO/CD 9241-304

ISO

TC159/SC4

Ergonomics of human-system interaction -- Part 305: Optical laboratory test methods for electronic visual displays

ISO/DIS 9241-305

ISO

TC159/SC4

Ergonomics of human-system interaction -- Part 306: Field assessment methods for electronic visual displays

ISO/DIS 9241-306

ISO

TC159/SC4

Ergonomics of human-system interaction -- Part 307: Analysis and compliance test methods for electronic visual displays

ISO/DIS 9241-307

ISO

TC159/SC4

Ergonomics of human--system interaction -- Physical input devices -- Part 400: Guiding principles, introduction and general design requirements

ISO/DIS 9241-400

ISO

TC159/SC4

Ergonomics of human system interaction -- Physical input devices -- Design criteria for products

ISO/CD 9241-410

ISO

TC159/SC4

Ergonomics of human system interaction -- Physical input devices -- Part 420: Ergonomic selection procedures

ISO/CD 9241-420

ISO

TC159/SC4

Ergonomic requirements for the design of displays and control actuators -- Part 1 & 2

ISO 9355

ISO

TC159/SC4

Ergonomic requirements for the design of displays and control actuators -- Part 3: Control actuators

ISO/FDIS 9355-3

ISO

TC159/SC4

Ergonomic requirements for the design of displays and control actuators -- Part 4: Location and arrangement of displays and control actuators

ISO/DIS 9355-4

ISO

TC159/SC4

Ergonomic design of control centres -- Part 1: Principles for the design of control centres

ISO 11064-1

ISO

TC159/SC4

Ergonomic design of control centres -- Part 2: Principles for the arrangement of control suites

ISO 11064-2

ISO

TC159/SC4

Ergonomic design of control centres -- Part 3: Control room layout

ISO 11064-3

ISO

TC159/SC4

Ergonomic design of control centres -- Part 4: Layout and dimensions of workstations

ISO 11064-4

ISO

TC159/SC4

Ergonomic design of control centres -- Part 6: Environmental requirements for control centres

ISO 11064-6

ISO

TC159/SC4

Ergonomic design of control centres -- Part 7: Principles for the evaluation of control centres

ISO/FDIS 11064-7

ISO

TC159/SC4

Ergonomic requirements for work with visual displays based on flat panels -part 1 &2

ISO 13406

ISO

TC159/SC4

Human-centred design processes for interactive systems

ISO 13407:1999

ISO

TC159/SC4

Ergonomics of human-system interaction -- Usability methods supporting human-centred design

ISO/TR 16982:2002

ISO

TC159/SC4

Ergonomics of human-system interaction -- Specification for the process assessment of human-system issues

ISO/PAS 18152:2003

ISO

TC159/SC4

Ergonomics -- Ergonomics of human-system interaction -- Human-centred lifecycle process descriptions

ISO/TR 18529:2000

ISO

TC159/SC4

Ergonomics of human-system interaction -- Guidance on haptic and tactile interactions

ISO/NP 25397

ISO

TC159/SC5

Ergonomics of the thermal environment -- Application of International Standards to people with special requirements

ISO/TS 14415:2005

ISO

TC159

Ergonomic data and guidelines for the application of ISO/IEC Guide 71 in standards related to products and services to address the needs of older persons and persons with disabilities

ISO/AWI TR 22411

ISO

TC145/SC3

Graphical symbols for use on equipment -- Index and synopsis

ISO 7000

JTC1

SC35

Information technology -- Keyboard layouts for text and office systems

ISO/IEC 9995-part 1 to 8

JTC1

SC35

Information technology -- User system interfaces -- Dialogue interaction

ISO/IEC 10741

JTC1

SC35

Information technology -- User system interfaces and symbols-part 1-6

ISO/IEC 11581

JTC1

SC35

Collection of graphical symbols for office equipment

ISO/IEC 13251

JTC1

SC35

Information technology -- Input methods to enter characters from the repertoire of ISO/IEC 10646 with a keyboard or other input device

ISO/IEC 14755

JTC1

SC35

Information technology -- Segmented keyboard layouts

ISO/IEC 15411

JTC1

SC35

Information technology -- Future keyboards and other associated input devices and related entry methods

ISO/IEC TR 15440

JTC1

SC35

Information technology -- Guidelines, methodology and reference criteria for cultural and linguistic adaptability in information technology products

ISO/IEC TR 19764

JTC1

SC35

Information technology -- Survey of existing icons and symbols for elderly and disabled persons

ISO/IEC DTR 19765

JTC1

SC35

Information Technology -- Guidelines for the design of icons and symbols accessible to all users, including the elderly and persons with disabilities

ISO/IEC CD TR 19766

JTC1

SC35

Information technology -- Algorithmic framework for determining accessibility for individual users of interactive systems

ISO/IEC CD 24756

JTC1

SC35

Information Technology -- Keyboard interaction model, machine-readable description and interaction of keyboard keys

ISO/IEC NP 24757

US Government

US Access Board

Section 508


INSTAC


Guidelines for older persons and persons with disabilities -- Information and communications equipment, software and services -- Part 1: Common Guidelines

JIS X 8341-1

JEITA


Guidelines for older persons and persons with disabilities -- Information and communications equipment, software and services -- Part 3: Web content

JIS X 8341-3

Info-communication Access Council


Guidelines for older persons and persons with disabilities-- Information and communications equipment, software and services -- Part 4: Telecommunications equipment

JIS X 8341-4

The Accessible Design Foundation


Guidelines for the elderly and people with disabilities - Auditory signals on consumer products

JISS0013

The Accessible Design Foundation


Guidelines for the elderly and people with disabilities - Auditory signals on consumer products - Sound pressure levels of signals for the elderly and in noisy conditions 

JISS0014

National Institute of Technology and Evaluation

National Institute of Advanced Industrial Science and Technology

Guidelines for the elderly and people with disabilities - Visual signs and displays - Specification of age - related relative luminance and its use in assessment of light

JISS0031

National Institute of Advanced Industrial Science and Technology


Guidelines for the elderly and people with disabilities - Visual signs and displays  - Estimation of minimum legible size for a Japanese single character

JISS0032

Japan Assistive Products Association


Guidelines of electronic guide system using audible signage for visually impaired persons

JIST0901

The Accessible Design Foundation


Guilines for standards developers to address the needs of older persons and persons with disabilities

JISZ8071

JBMIA


Auditory signal  

JBMS-71-2004

AENOR (Spanish Association for Standardisation and Certification)

AEN/CTN 139

Computer applications for people with disabilities. Computer accessibility requirements. Hardware.

UNE 139801:2003

AENOR (Spanish Association for Standardisation and Certification)

AEN/CTN 139

Computer applications for people with disabilities. Computer accessibility requirements. Software

UNE 139802:2003

AENOR (Spanish Association for Standardisation and Certification)

 AEN/CTN 153

Audio description for visually impaired people. Guidelines for audio description procedures and for the preparation of audio guides

UNE 153020:2005

AENOR (Spanish Association for Standardisation and Certification)

 AEN/CTN 154

Subtitling for deaf and hard-of-hearing people. Subtitling by teletext

UNE 153010:2003

Nordic Council of Ministers

Nordic Cooperation on Disability

Nordic Guidelines for Computer Accessibility


Swedish Government

Office of the Disability Ombudsman

Guidelines for an accessible public administration


Italian Government

The Minister for Innovation and Technology

The Stanca Act


DIN


Text and office systems - Keyboards - German keyboard for data and text processing, as well as for typewriters, information on graphic characters or symbols

DIN 2137

INCITS


Office Machines and Supplies - Alphanumeric Machines - Keyboard Arrangement (formerly ANSI X3.154-1988 (R1999))

INCITS 154-1988 (R1999)

BSI

ISTIECCT? See comment

Specification for keyboard allocation of graphic characters for data processing

BS 4822:1994

W3C

Authoring Tools Working Group (AUWG)

Authoring Tool Accessibility Guidelines 1.0 (ATAG 1.0)

ATAG 1.0

W3C

User Agent Accessibility Guidelines Working Group (UAWG)

User Agent Accessibility Guidelines (UAAG) 1.0

UAAG 1.0

W3C

Web Content Accessibility Guidelines Working Group (WCAG WG)

Web Content Accessibility Guidelines 1.0

WCAG 1.0

W3C

Authoring Tools Working Group (AUWG)

Authoring Tool Accessibility Guidelines 2.0 (ATAG 1.0)

ATAG 2.0

W3C

Web Content Accessibility Guidelines Working Group (WCAG WG)

Web Content Accessibility Guidelines 2.0

WCAG 2.0

ISO

TC159/SC4

Ergonomics of human-system interaction -- Part 151: Guidance on World Wide Web user interfaces

ISO/DIS 9241-151

ISO

TC159/SC4

Ergonomics of human-system interaction -- Part 171: Guidance on software accessibility

ISO/DIS 9241-171

ISO

TC159/SC4

Software ergonomics for multimedia user interfaces -- Part 1: Design principles and framework


 ISO 14915-1:2002

ISO

TC159/SC4

Software ergonomics for multimedia user interfaces -- Part 2: Multimedia navigation and control

ISO 14915-2:2003

ISO

TC159/SC4

Software ergonomics for multimedia user interfaces -- Part 3: Media selection and combination

ISO 14915-3:2002

ISO

TC159/SC4

Ergonomics of human-system interaction -- Guidance on accessibility for human-computer interfaces

ISO/TS 16071:2003

JTC1

SC35

Information Technology - User Interfaces - Accessible User Interface for Accessibility Setting on Information Devices -- Part 1: General and methods to start

ISO/IEC NP 24786-1

JTC1

SC7/WG2

Software and system engineering -- Guidelines for the design and preparation of user documentation for application software

ISO/IEC 18019:2004

JTC1

SC35

Information technology -- Icon symbols and functions for World Wide Web browser toolbars

ISO/IEC 18036:2003

IMS


IMS AccessForAll Meta-data Overview

IMS AccessForAll Meta-data Overview v1.0 Public Draft

US Government

US Access Board

Section 255

Section 255

US Government

FCC

Closed captioning of video programming

47 C.F.R. § 79.1

US Government

FCC

Accessibility of programming providing emergency information

47 C.F.R. § 79.2

Human Factors and Ergonomics Society

HFES 200

Human Factors Engineering of Software User Interfaces

HFES 200

Australian Governmnet

Australian Communications Authority

Requirements for Customer Equipment for use with the Standard Telephone Service - Features for special needs

AS/ACIF S040:2001

Standard Australia


Text telecommunications - User interface requirements - For Deaf people and people with hearing and speech disabilities

AS/NZS 4277:1995

BSI


Design management systems. Managing inclusive design. Guide

BS 7000-6:2005

CEN


Guidelines to Standardisers of ICT products and services in the CEN ICT domain

CWA 14661

CEN


Guidelines for making information accessible through sign language on the web

CWA 14835

DIN

CEN/BT/WG 113 und weitere Normungsaktivitäten

Barrierefreie Gebrauchsgüte

DIN Technical Report 124

ITU-T

SG 16

Operational and Interworking Requirements for DCE:s Operating in the Text Telephone Mode

Recommendationn V.18

ITU-T

SG 16

Text Telephony over IP

V.151 (or F.ToIP)

ITU-T

SG 16

Multimedia conversational services

F.703

ITU-T

SG 16

A real time control protocol for simplex applications using the H.221 LSD/HSD/HLP channel.

H.224

ITU-T

SG 16

 Packet-based multimedia communications systems  (Annex G: Text Conversation and Text SET)

H.323 (in particular Annex G)

ITU-T

SG 16

Text Chat Application Entity

T.134

ITU-T

SG 16

Protocol for multimedia application text conversation.

T.140

ITU-T

SG 16

Video Quality for sign language and lip reading

H Series Supplement 1

ITU-T

SG 16

Gateway control protocol: Facsimile, text conversation and call discrimination packages

H.248.2

ITU-T

SG 16 or SG 2?

Human Factors Aspects of Public Telecommunication Terminals for People with Disabilities

E.135

ITU-T

SG 16

Gateway control protocol

H.248

ITU-T

SG 16

Gateway control protocol: Semi-permanent connection handling package 

H.248.21

ITU-T

SG 16

Famework Recommendation for multimedia services (in particular Annex A.3)

F.700

ITU-T

SG 16

Serial asynchronous automatic dialling and control

V.250

ITU-T

SG 16

Procedures for starting sessions of data transmission over the public switched telephone network

V.8

ITU-T

SG 16

Procedures for the identification and selection of common modes of operation between data circuit-terminating equipments (DCEs) and between data terminal equipments (DTEs) over the public switched telephone network and on leased point-to-point telephone-type circuits 

V.8 bis

ITU-T

SG 16

Modem-over-IP networks: Procedures for the end-to-end connection of V-series DCEs

V.150.1

ITU-T

SG 16

Procedures for supporting Voice Band Data over IP networks

V.152

ITU-T

SG 16

Terminal for low bit-rate multimedia communication

H.324

ITU-T

SG 16

A simultaneous voice plus data modem, operating at a voice plus data signalling rate of 4800 bit/s, with optional automatic switching to data-only signalling rates of up to 14 400 bit/s, for use on the General Switched Telephone Network and on leased point-to-point 2-wire telephone type circuits

V.61

ITU-T

SG 16

Narrow-band visual telephone systems and terminal equipment

H.320

ITU-T

SG 16

Control protocol for multimedia communication

H.245

ITU-T

SG 16

Network performance objectives for IP-based services

Y.1541

ITU-T

SG 13, NGN GSI

NGN Release 1 Scope


ITU-T

SG 13, NGN GSI

NGN Release 1 Requirements

Y.NGN-R1-Reqts

ITU-T

SG 16

Service description and requirements for videotelephony services over IP networks

F.724

ITU-T

SG 16

Service description and requirements for multimedia conference services over IP networks 

F.733

ITU-T

SG 16

Service description and requirements for distance learning services

F.742

ITU-T

SG 16, Q.26/16

Telecommunications Accessibility Guidelines for Older Persons and Persons with Disabilities


IETF


RTP Payload for Text Conversation

IETF RFC 4103

IETF


Framework of requirements for real-time text conversation using SIP

draft-ietf-sipping-toip

IETF


User Requirements for the Session Initiation Protocol (SIP) in Support of Deaf, Hard of Hearing and Speech-impaired Individuals

IETF RFC 3351

IETF


RTP Payload for Text Conversation.

draft-ietf-avtrfc2793bis

IETF


RTP Payload for Text Conversation interleaved in an audio stream

IETF RFC 4351

IETF


Registration of the text/red MIME Sub-Type

IETF RFC 4102

IETF


The Session Initiation Protocol (SIP) Conference Bridge Transcoding Model

draft-ietf-sipping-transc-conf

IETF


SDP; Session Description Protocol

IETF RFC 2327

IETF


SIP; Session Initiation Protocol

IETF RFC 3261

IETF


RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals

IETF RFC 2833

IETF


Session Description Protocol

draft-ietf-mmusic-sdp-new

IETF


Redundancy for RTP payloads

IETF RFC 2198

IETF


Indicating User Agent Capabilities in the Session Initiation Protocol (SIP)

IETF RFC 3840

IETF


Caller Preferences for the Session Initiation Protocol

IETF RFC 3841

IETF


Definition of Events For Modem, FAX, and Text Telephony Signals

draft-ietf-avt-rfc2833bisdata

IETF


SIP Telephony Device Requirements, Configuration and Data

IETF RFC 4504

IETF


RTP: A Transport Protocol for Real-Time Applications

IETF RFC 3550

IETF


SRTP; Secure Real Time Protocol

IETF RFC 3711

IETF


Requirements for Emergency Context Resolution with Internet Technologies

draft-ietf-ecrit-requirements

ETSI

HF

Text Telephony, User Requirements And Recommendations

ETSI ETR 333

ETSI

HF

Guidelines for Telecommunication Relay Services for text and video

ETSI TR 101 806

ETSI

3GPP / SA 1

 Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Global text telephony (GTT);  Stage 1: Service description (3GPP TS 22.226 version 6.0.0 Release 6)
Global text telephony (GTT); Stage 1: Service description

ETSI TS 122 226

ETSI

3GPP / SA 2

 Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Global text telephony (GTT);  Stage 2: Architecture (3GPP TS 23.226 version 6.0.0 Release 6)
Global text telephony (GTT); Stage 2: Architecture

ETSI TS 123 226

ETSI

3GPP / SA 4

 Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Cellular text telephone modem; General description (3GPP TS 26.226 version 6.0.0 Release 6)
Cellular text telephone modem; General description

ETSI TS 126 226

ETSI

3GPP / SA 4

 Universal Mobile Telecommunications System (UMTS); Packet switched conversational multimedia applications; Transport protocols (3GPP TS 26.236 version 5.6.0 Release 5)
Packet switched conversational multimedia applications; Transport protocols

ETSI TS 126 235

ETSI

HF

Human Factors (HF); Duplex Universal Speech and Text (DUST) communications
Duplex Universal Speech and Text communications

ETSI EG 202 320

ETSI

3GPP / SA 1

 Universal Mobile Telecommunications System (UMTS); Service aspects; Service principles (3G TS 22.101 version 3.10.0 Release 1999)

ETSI TS 122 101

ETSI

3GPP / SA 4

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Codec for circuit switched multimedia telephony service; General description (3GPP TS 26.110 version 6.0.0 Release 6)
Codec for circuit switched multimedia telephony service; General description

ETSI TS 126 110

ETSI

3GPP/ CN 1

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 (3GPP TS 24.008 version 3.15.0 Release 1999)
Mobile radio interface Layer 3 specification; Core network protocols; Stage 3

ETSI TS 124 008

ETSI

HF

An annotated bibliography of documents dealing with Human Factors and disability

ETSI SR 001 996

EIA / TIA


Analog Television Closed Captioning (Line 21 Data Services)

EIA/CES 608

EIA / TIA


Advanced Television Closed Captioning

EIA 708 B

EIA / TIA


A Frequency Shift Keyed Modem for use on the Public Switched Telephone Network

TIA/EIA 825a

EIA / TIA


Standards for text over IP (TIA 1001) transit gateway

TIA 1001

EIA / TIA


Telecommunications-Telephone Terminal Equipment-Magnetic Field and Acoustic Gain Requirements for Headset Telephones Intended for Use by the Hard of Hearing

TIA- 504-A

EIA / TIA


Telecommunications - Telephone Terminal Equipment - Technical Requirements for Connection of Terminal Equipment to the Telephone Network

ANSI/TIA-968-A

EIA / TIA


2.5 mm Audio Interface For Mobile Wireless Handsets - Text Telephones (TTY)

TR 45
TSB-121

EIA / TIA


American National Standard for Methods of Measurement of Compatibility between Wireless Communication Devices and Hearing Aids

C.63/ANSI
ANSI C.63.19

EIA / TIA


TTY/TDD Extension to TIA/EIA 136- 410 Enhanced Full Rate Speech Codec

TIA IS-823

EIA / TIA


Minimum Performance Standards for Text Telephone Signal Detector and Text Telephone Signal Regenerator

TIA -IS-840

EIA / TIA


2.5 mm Audio Interface For Mobile Wireless Handsets - Text Telephones (TTY)

TIA TSB-121

EIA / TIA


Enhanced Variable Rate Codec, Speech Service Option 3 for Wideband Spread Spectrum Digital Systems - Addendum 2

TIA IS-127-2

EIA / TIA


Data Services Options for Spread Spectrum Systems - Radio Link Protocol Type 3 - Addendum No. 2

TIA IS-707-A-2

EIA / TIA


High Rate Speech Service Option 17 for Wideband Spread Spectrum Communications Systems

TIA IS-733-1

EIA / TIA


Electrical Specification for the Portable Phone to Vehicle Interface

TIA IS-789A

EIA / TIA


DTE/DCE Interface For Digital Cellular Equipment

TIA/EIA-688

EIA / TIA


American National Standard for Operations Administration and Maintenance and Provisioning (OAM&) – Network Tones and Announcements

T1.209-2003

CSA


Telecommunications - Telephone Terminal Equipment - Requirements for Pay Telephone Keypads and Function Keys with Particular Regard to Use by Persons with Disabilities

T516-02

CSA


Performance and Compatibility Requirements for Telephone Sets With Loop Signalling

T510-95 (R2003)




  • Usability Heuristics