Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3236
Is Reference of Σήμα επιστροφής της κλήσης-el#Sense
Optaget tone-da#Sense
Rington-sv#Sense
Ringback tone-en#Sense
Retour d'appel-fr#Sense
Tono de llamada-es#Sense
Terugbeltoon-nl#Sense
Tonalité de retour d'appel-fr#Sense
Segnale acustico di linea libera-it#Sense
Soittoääni-fi#Sense
Rufton-de#Sense
Freiton-de#Sense
Sinal de chamar-pt#Sense