When the Phone Rings (Korean: 지금 거신 전화는) is a 2024–2025 South Korean television series written by Kim Ji-woon, co-directed by Park Sang-woo and Wi Deuk-gyu, and starring Yoo Yeon-seok, Chae Soo-bin, Heo Nam-jun, and Jang Gyu-ri.

It is based on the popular Kakao Page web novel The Number You Have Dialed by Geon Eomul Nyeo.

[5] On September 24, Yoo, Chae, Heo Nam-jun, and Jang had confirmed their appearances as the main characters in the series.

[3] When the Phone Rings premiered on MBC TV on November 22, 2024, and aired every Friday and Saturday at 21:50 (KST).

[21] In the series finale, it achieved second place in the TV-OTT drama category for buzzworthiness, as reported by Good Data Corporation's FUNdex.