相手 あいて さき固定 こてい接続 せつぞくじゃないです
aitesakikoteisetsuzokujanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 相手先固定接続

1. It's not a fixed-rate connection.; It's not a pre-set connection.

Negative
Polite
Casual Register
Computing