public switched telephone network

URI: https://gptkb.org/entity/public_switched_telephone_network

GPTKB entity

Statements (58)

Predicate	Object
gptkbp:instanceOf	gptkb:telecommunications_company
gptkbp:abbreviation	gptkb:PSTN
gptkbp:alsoKnownAs	gptkb:plain_old_telephone_service
gptkbp:component	gptkb:smartphone signaling system subscriber line switching center transmission network trunk line
gptkbp:covers	global
gptkbp:enables	international calling emergency calling local calling long-distance calling
gptkbp:infrastructure	gptkb:fiber gptkb:electronic_switching_system satellite link copper wire central office telephone line automatic exchange crossbar switch manual exchange microwave link subscriber loop switchboard telephone pole
gptkbp:operatedBy	telecommunications carrier
gptkbp:originatedIn	gptkb:19th_century
gptkbp:purpose	voice communication
gptkbp:regulates	national telecommunications authorities
gptkbp:relatedTo	gptkb:Integrated_Services_Digital_Network gptkb:modem gptkb:Internet gptkb:smartphone gptkb:telecommunications_company fax
gptkbp:replacedBy	gptkb:Voice_over_IP
gptkbp:standardizedBy	gptkb:ITU-T
gptkbp:supportsProtocol	gptkb:E.164_numbering_plan gptkb:ISDN gptkb:SS7 analog signaling digital signaling
gptkbp:technology	circuit switching
gptkbp:uses	gptkb:Signaling_System_No._7 digital transmission analog transmission
gptkbp:bfsParent	gptkb:Touch-tone_telephone gptkb:Ericsson_telephone_exchange gptkb:5ESS_Switch gptkb:No._1A_ESS_switch gptkb:No._4A_toll_switching_system gptkb:No._4D_toll_switching_system gptkb:No._5_ESS_switch gptkb:number_five_crossbar_switch
gptkbp:bfsLayer	6
https://www.w3.org/2000/01/rdf-schema#label	public switched telephone network