http://dbpedia.org/page/Category:Telephone_exchanges

Property	Value
rdf:type	skos:Concept
rdfs:label	Telephone exchanges (en)
skos:broader	dbpedia:Category:Telephony dbpedia:Category:Telecommunications_infrastructure dbpedia:Category:Networking_hardware dbpedia:Category:Telephony_equipment dbpedia:Category:Switches
skos:prefLabel	Telephone exchanges (en)
skos:subject	dbpedia:1ESS_switch dbpedia:AXE_telephone_exchange dbpedia:5ESS_switch dbpedia:4ESS_switch dbpedia:Asterisk_%28PBX%29 dbpedia:Automatic_switching_system dbpedia:Avaya_Definity dbpedia:BORSCHT dbpedia:Carrier_Pre-Selection dbpedia:Centrex dbpedia:Class_5_telephone_switches dbpedia:Class_4_telephone_switch dbpedia:Common_control dbpedia:Community_Dial_Office dbpedia:Crossbar_switch dbpedia:DMS-100 dbpedia:Digital_line_card dbpedia:Direct_Inward_Dialing dbpedia:Distributed_switching dbpedia:Digital_Multiplex_System dbpedia:Director_telephone_system dbpedia:EWSD dbpedia:Electronic_Switching_System dbpedia:Foreign_exchange_service_%28telecommunications%29 dbpedia:GTD-5_EAX dbpedia:Highgate_Wood_Telephone_Exchange dbpedia:International_gateway_exchange dbpedia:LinuxMCE dbpedia:List_of_telephone_switches dbpedia:Main_distribution_frame dbpedia:Marker_%28telecommunications%29 dbpedia:Meridian_Norstar dbpedia:Meridian_SL-1 dbpedia:Nokia_DX200 dbpedia:Nonblocking_minimal_spanning_switch dbpedia:Number_Five_Crossbar_Switching_System dbpedia:Number_One_Crossbar_Switching_System dbpedia:PRX_%28telephony%29 dbpedia:Panel_switch dbpedia:Private_branch_exchange dbpedia:Realitis dbpedia:SP-1_switch dbpedia:Semiautomatic_switching_system dbpedia:Stepping_switch dbpedia:Stored_Program_Control_exchange dbpedia:Strowger_switch dbpedia:Switch56 dbpedia:System_X_%28telephony%29 dbpedia:System_Y dbpedia:TXE dbpedia:TXK dbpedia:Telephone_exchange dbpedia:Telephone_switchboard dbpedia:Elastix dbpedia:Choke_exchange dbpedia:Telephone_related_articles dbpedia:Rotary_telephone_switch

Telephone exchanges