船内 せんない通話 つうわ装置 そうちじゃなかったです
sennai tsūwasōchijanakattadesu

Noun
Desu Copula

The polite, past negative form of 船内通話装置

1. Wasn't the intercom.; Wasn't an internal communication system.

Past/Perfective
Negative
Polite
Casual Register