へん方向 ほうこう通信 つうしんじゃなかったです
henhōkōtsūshinjanakattadesu

Noun
Desu Copula

The polite, past negative form of 片方向通信

1. Wasn't one-way communication.; Wasn't unidirectional communication.

Past/Perfective
Negative
Polite
Casual Register
Computing