If any person, in constructing or extending his telephone line, plant, or system, unreasonably interferes or is about to interfere unreasonably with any line, plant, system, or service of any other person, the commission, on its own initiative or on the complaint of any person claiming to be injuriously affected, may, after a hearing conducted after the giving of reasonable notice, make such order and prescribe such terms and conditions with respect thereto as are just and reasonable.