ITU-T E.135-1995 Human Factors Aspects of Public Telecommunication Terminals for People with Disabilities - Telephone Network and ISDN - Operation Numbering Routing and Mobile Service (Study Group 1) 13 pp
The intention of this Recommendation is to address telecommunication issues that are encountered by people with disabilities.
ITU-T E.135-1995 history
1995ITU-T E.135-1995 Human Factors Aspects of Public Telecommunication Terminals for People with Disabilities - Telephone Network and ISDN - Operation Numbering Routing and Mobile Service (Study Group 1) 13 pp