nco:IsdnNumber
An ISDN phone number. Inspired by the (TYPE=isdn) parameter of the TEL property as defined in RFC 2426 sec 3.3.1.
rdfs:Resource ╰── nco:ContactMedium ╰── nco:PhoneNumber ╰── nco:VoicePhoneNumber ╰── nco:IsdnNumber
The upstream documentation for the NCO ontology.