Telephony for hearing impaired people; Inductive coupling of telephone earphones to hearing aids; Part 1: Fixed-line speech terminals
NORM herausgegeben am 19.10.2012
Designation standards: ETSI ES 200381-1-V1.2.1
Publication date standards: 19.10.2012
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI