Business TeleCommunications (BTC); Ordinary quality voice bandwidth 4-wire analogue leased line (A4O); Connection characteristics and network interface presentation
STANDARD published on 28.2.1996
Designation standards: ETSI ETS 300451-ed.1
Publication date standards: 28.2.1996
The number of pages: 32
Approximate weight : 96 g (0.21 lbs)
Country: European technical standard
Category: Technical standards ETSI