三者 さんしゃ通話 つうわ機能 きのうではありません
sanshatsūwakino udewa arimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 三者通話機能

1. Not a three-party call function.; Does not have a three-way calling feature.

Negative
Polite
Formal Register
Computing