相手 あいて さき固定 こてい接続 せつぞくでした
aitesakikoteisetsuzokudeshita

Noun
Desu Copula

The polite past form of 相手先固定接続

1. It was a fixed-point connection to the other party.; It was a dedicated connection to the other party.

Past/Perfective
Polite
Computing