Integrated Services Digital Network (ISDN); Explicit Call Transfer (ECT) supplementary service; Service description (Endorsed by AENOR in April of 2005.)
NORMA vydána dne 1.4.2005
Designation standards: UNE-EN 300367V1.2.1
Publication date standards: 1.4.2005
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE