YOU SAID:

I am calling my mother through the public phone.

INTO JAPANESE

私は、公共の携帯電話を介して私の母を呼び出しています。

BACK INTO ENGLISH

I call my mother through the public phone.

INTO JAPANESE

私は公衆電話で母を呼び出します。

BACK INTO ENGLISH

In the phone call me mother.

INTO JAPANESE

電話で私の母します。

BACK INTO ENGLISH

My mother on the phone.

INTO JAPANESE

電話で私の母。

BACK INTO ENGLISH

My mother on the phone.