on the telephone

Prepositional phrase

UK dated

Talking to someone using a telephone; Synonym of on the phone / (dated, UK) Connected to a telephone system.

Japanese Meaning

電話で誰かと話している状態 / 電話中（電話に接続されている状態、英国で古い用法）

She remained on the telephone with her mother for over an hour.

彼女は母と1時間以上電話で話し続けた。

Sense（1）

Talking to someone using a telephone; Synonym of on the phone

Sense（2）

(dated, UK) Connected to a telephone system.