Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators. Simple call-routing mode (SCRM).. Specification for the simple call-routing mode of PBX operation, with terminating stations treated as an entirety.
NORMA vydána dne 30.9.1988
Designation standards: BS 6450-6-6.1:1986
Note: NEPLATNÁ
Publication date standards: 30.9.1988
The number of pages: 21
Approximate weight : 63 g (0.14 lbs)
Country: British technical standard
Kategorie: Technické normy BS