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

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

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

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

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