Subtle Details and Gems in the drama

I created a list documenting all the fun and interesting details that were detailing in this drama :) 

Feel free to add if you find any to it:
https://mydramalist.com/discussions/general-discussion/133588-when-the-phone-rings-wtpr-details-gems?pid=3206600&page=1#p3206600

If you'd like you can add them here as replies too and I can update the main list.