Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6826
Is Reference of Upptagetton-sv#Sense
Τόνος κατειλημμένου-el#Sense
Tono de ocupado-es#Sense
Line busy tone-en#Sense
Sinal de ocupado-pt#Sense
Linja varattu-ääni-fi#Sense
Optagettone-da#Sense
Slow busy-en#Sense
Bezettoon-nl#Sense
Signal d'occupation-fr#Sense
Besetztton-de#Sense