F.921 : Audio-based network navigation system for persons with vision impairment

International Telecommunication Union

ITU

Français Español

Home : ITU-T : Publications : Recommendations : F Series : F.921 : F.921 (03/17)

Recently posted - Search Recommendations

F.921 : Audio-based network navigation system for persons with vision impairment

Recommendation F.921 (03/17)

Approved in 2017-03-01

Status : Superseded

	Table of Contents
	Summary

Access : Freely available items

Available languages and formats :

Click on the selected format
and language to get the document

Format

Size

Posted

Article Number

English

PDF (acrobat)

430205 bytes

2017-03-29

E 41336

Access :

Available languages and formats :

Click on the selected format
and language to get the document

Format

Size

Posted

Article Number

TIES users

English

112543 bytes

2017-03-29

E 41336

Top - Feedback - Contact us - Copyright © ITU 2008 All Rights Reserved
Contact for this page : ITU-T Publications
Updated : 2018-08-31