デジタルPBX ぴいびいえっくすではありません
dejitarupiibiiekkusudewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of デジタルPBX

1. Is not a digital PBX.; It is not a digital PBX.

Negative
Polite
Formal Register
Computing