1. Can a man masturbate (using hands) in the company of of his wife without his wife physically touching him eg He simply looks at her or so called “phone sex”

Answered according to Hanafi Fiqh by Askimam.org

It is not permissible for a man to masturbate irrespective of the wife being
in his presence or not.

and Allah Ta’ala Knows Best

Mufti Ebrahim Desai