
Telephony for hearing impaired people; Inductive coupling of telephone earphones to hearing aids; Part 1: Fixed-line speech terminals
STANDARD published on 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
        Category: Technical standards ETSI