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 ひょうじであれば
jushinfunōtsūchiyō kyūhyōjideareba

Noun
Da Copula

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

1. If it is a request to notify of inability to receive.; If requesting notification of reception failure.

Ba Conditional
Computing