受付 うけつけ不可 ふか信号 しんごうではありませんでした
kikōketsuke fukashin gōdewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of 着呼受付不可信号

1. Was not a reception-allowed signal.; Was not a signal accepting calls.

Past/Perfective
Negative
Polite
Formal Register
Computing