Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators. Simple call-routeing mode (SCRM). Specification for the simple call-routeing mode of PBX operation, with terminating stations treated as an entirety.
NORMA vydaná dňa 15.2.1993
Designation standards: BS 6450-6.1:1993
Note: NEPLATNÁ
Publication date standards: 15.2.1993
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard
Kategória: Technické normy BS