受信 じゅしん不能 ふのう通知 つうち要求 ようきゅう表示 ひょうじなら
jushinfunōtsūchiyō kyūhyōjinara

Noun
Da Copula

The "-nara" conditional form ("if/when…") of 受信不能通知要求表示

1. If/when a request to notify of inability to receive is indicated.; If/when there’s an indication requesting notification of reception failure.

Nara Conditional
Computing