English
るすばんでんわ
answering machine
るすでん
留守電
お忙しいところ、恐れ入ります
Thank you for your time.
恐れ入りますが
excuse me but (formal for すみませんが) for clients & strangers
恐れ入りますが、Oさんをお願い致します
Excuse me, but I would like to speak with Mr./Ms. O.
お待たせしました
I'm sorry to have kept you waiting
かけ直す
to call back