Terms for subject Telephony containing battery

English	Swedish
central battery in telephony	centralbatteri
central battery feeding telephony	centralbatterisystem
central battery feeding telephony	CB-system
central battery signalling telephony	lokalbatterisystem
central battery signalling telephony	LB-system
common battery feeding telephony	centralbatterisystem
common battery feeding telephony	CB-system
common battery signalling telephony	lokalbatterisystem
common battery signalling telephony	LB-system