仮想 かそう てき交換 こうかん きょくじゃなかったです
kasōte ki kōkankyokujanakattadesu

Noun
Desu Copula

The polite, past negative form of 仮想的交換局

1. Was not a virtual exchange.; Wasn't a virtual switchboard.

Past/Perfective
Negative
Polite
Casual Register
Computing