仮想 かそう てき交換 こうかん きょくではありませんでした
kasōte ki kōkankyokudewārimasendeshita

Noun
Desu Copula

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

1. Was not a virtual exchange.; Was not a virtual switchboard.

Past/Perfective
Negative
Polite
Formal Register
Computing