Used attributively, chiefly before "call", meaning "with the charges to be paid by the recipient".
à frais virésTélécommunications ; plus naturel dans l'usage courant que l'emprunt technique. We placed a collect call to our parents.
Nous avons passé un appel à frais virés à nos parents.
Used after a verb, especially with "call", meaning "with the charges to be paid by the recipient".
à frais virésTélécommunications. He called collect from the train station.
Il a téléphoné à frais virés depuis la gare.