lokalsamtal
type: Concept
preferred label: local calls @en
preferred label: paikallispuhelut @fi
broader: telefonsamtal

fjärrsamtal
type: Concept
preferred label: long-distance calls @en
preferred label: kaukopuhelut @fi
broader: telefonsamtal

telefonsamtal
type: Concept
in scheme: conceptscheme
narrower: fjärrsamtal
narrower: IP-telefoni
narrower: lokalsamtal
preferred label: telephone calls @en
preferred label: puhelut @fi
broader: telefontrafik

IP-telefoni
type: Concept
preferred label: net calls @en
preferred label: nettipuhelut @fi
broader: telefonsamtal

telefontrafik
type: Concept
preferred label: telephone traffic @en
preferred label: puhelinliikenne @fi
narrower: telefonsamtal