When The Phone Rings Episode 10 OTT Release Date: Featuring Yoo Yeon-seok, Chae Soo-bin, Heo Nam-jun, and Jang Gyu-ri as the main protagonists, the tenth episode of When The Phone Rings is set to premiere today (December 28) on Netflix. Wondering when and where to watch When The Phone Rings Episode 10 online in India? Here's all you need to know.