たん方向 ほうこう通信 つうしんじゃありませんでした
tanhōkō tsū shinja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 単方向通信

1. Was not one-way communication.; Was not unidirectional communication.

Past/Perfective
Negative
Polite
Terminal Form
Telecommunications