Though Seoul and Pyongyang installed a “historic hotline” between the two Koreas during a period of detente in April last year, South Korea’s Prime Minister revealed in March that the telephone system has yet to be used by either leader.

As the first official hotline to be installed between the two Koreas, the connection is ostensibly designed to provide South Korean President Moon Jae-in and North Korean leader Kim Jong Un a means to reduce misunderstanding during times of tension.

With a photo last year showing the hotline phone on Moon’s desk and it being connected directly to North