相手 あいて さき固定 こてい接続 せつぞくでしょう
aitesakikoteisetsuzokudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 相手先固定接続

1. Probably fixed-point connection.; Likely client-side connection.

Polite
Presumptive
Conjecture
Computing