通信 つうしん記述 きじゅつ めいじゃなかったです
tsūshinkijutsumeijanakattadesu

Noun
Desu Copula

The polite, past negative form of 通信記述名

1. Was not a communication description.; Was not a description of communication.

Past/Perfective
Negative
Polite
Casual Register
Computing