Scrape data form ClickTracking

I would like to scrap the data from a website but I encountered a small problem which I do not have the smallest idea how to solve. ( my first scraping tool , using beautifulsoup and requests ) I need the telephone number on the right "07xx xxx xxx"

When I firstly open the page and request it, I get this :

The thing is that I need the telephone number but it will not show until I press "Arata telefon" , is there a way how I can take this info out ?

Here is the page itself : Link