ETSI ETS 300199-ed.1

Integrated Services Digital Network (ISDN); Call Forwarding Busy (CFB) supplementary service; Service description

NORM herausgegeben am 2.12.1994

The information about the standard:

Designation standards: ETSI ETS 300199-ed.1
Publication date standards: 2.12.1994
The number of pages: 25
Approximate weight : 75 g (0.17 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI