International Subscriber Dialing

GPTKB entity

Statements (18)
Predicate Object
gptkbp:instanceOf gptkb:telecommunications_company
gptkbp:abbreviation gptkb:ISD
gptkbp:alsoKnownAs International Direct Dialing
gptkbp:enables Direct international telephone calls
https://www.w3.org/2000/01/rdf-schema#label International Subscriber Dialing
gptkbp:introducedIn 1960s
gptkbp:relatedTo gptkb:International_Telecommunication_Union
gptkb:Direct_Distance_Dialing
Long-distance calling
Telephone numbering plan
gptkbp:replacedBy Operator-assisted international calls
gptkbp:requires Country code
International call prefix
gptkbp:usedBy Telecommunications companies
Telephone subscribers
gptkbp:usedIn Telephony
gptkbp:bfsParent gptkb:ISD
gptkbp:bfsLayer 7