Speech and multimedia Transmission Quality (STQ); Telephony for hearing impaired people; Characteristics of telephone sets that provide additional receiving amplification for the benefit of the hearing impaired
STANDARD published on 14.4.2022
Designation standards: ETSI TS 100488-V1.2.1
Publication date standards: 14.4.2022
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: European technical standard
Category: Technical standards ETSI