相手 あいて固定 こてい接続 せつぞくじゃなかったです
aitekoteisetsuzokujanakattadesu

Noun
Desu Copula

The polite, past negative form of 相手固定接続

1. Wasn't a fixed connection to the other party.; Wasn't a designated connection.

Past/Perfective
Negative
Polite
Casual Register
Computing