Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Aantal oproepen zonder succes-nl#Sense
Taxa de chamadas não estabelecidas-pt#Sense
Percentuale di chiamate a vuoto-it#Sense
Procenten af mislykkede opkald-da#Sense
Rate der erfolglosen Verbindungsaufbauversuchen-de#Sense
Taux d'échec de sélection d'appels-fr#Sense
Unsuccessful call ratio-en#Sense
Proporción de llamadas fallidas-es#Sense