ETSI TCRTR 023-ed.1

Human Factors (HF); Assignments of alphabetic letters to digits on push button dialling keypads

STANDARD published on 31.10.1994

The information about the standard:

Designation standards: ETSI TCRTR 023-ed.1
Publication date standards: 31.10.1994
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: European technical standard
Category: Technical standards ETSI