自動 じどう はつ着信 ちゃくしん装置 そうちでしょう
jidōhatsuchakushinsōchideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 自動発着信装置

1. Probably an automatic sending/receiving device.

Polite
Presumptive
Conjecture
Computing