ダイヤルイン番号 ばんごうサービスだったら
daiyaruimbangōsābisudattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of ダイヤルイン番号サービス

1. If it were a dial-in number service; If it had been a dial-in number service

Tara Conditional
Computing