ETSI ETR 261-4-ed.1

Human Factors (HF); Assessment and definition of a harmonized minimum man-machine interface (MMI) for accessing and controlling public network based supplementary services; Part 4: Experimental comparison of the effect of categorized and non-categorized formats within user instructions

STANDARD published on 31.10.1996

The information about the standard:

Designation standards: ETSI ETR 261-4-ed.1
Publication date standards: 31.10.1996
The number of pages: 58
Approximate weight : 174 g (0.38 lbs)
Country: European technical standard
Category: Technical standards ETSI