X.121 addressing

GPTKB entity

Statements (15)
Predicate Object
gptkbp:instanceOf gptkb:network_protocol
gptkbp:address International Data Number (IDN)
gptkbp:addressLength up to 14 digits
gptkbp:component Data Network Identification Code (DNIC)
National Terminal Number (NTN)
gptkbp:definedIn ITU-T Recommendation X.121
https://www.w3.org/2000/01/rdf-schema#label X.121 addressing
gptkbp:introducedIn 1976
gptkbp:replacedBy E.164 addressing
gptkbp:status legacy protocol
gptkbp:usedBy packet-switched data networks
gptkbp:usedFor gptkb:X.25_networks
public data networks
gptkbp:bfsParent gptkb:X.25_protocol
gptkbp:bfsLayer 7