なりっぱなしじゃないです
鳴りっぱなしじゃないです
narippanashijanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of なりっぱなし

1. It's not just ringing.; It hasn't stopped ringing.

Negative
Polite
Casual Register
Usually Written in Kana