
Human Factors (HF); Usability checklist for Integrated Services Digital Network (ISDN) telephone terminal equipment
STANDARD published on 15.9.1994
Designation standards: ETSI ETR 147-ed.1
Publication date standards: 15.9.1994
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: European technical standard
Category: Technical standards ETSI