They have discussed setting up a military hotline between Hanoi and Bangkok.

他们已讨论在河内和曼谷之间建立一条军事热线。

《柯林斯英汉双解大词典》

Admiral Timothy Keating, commander of US military forces in Asia and the Pacific put it into this perspective: "We really don't need a hotline for better communications, technically."

美国太平洋司令部司令基廷以这种角度来看：“从技术上来讲，我们真的不需要为更好沟通而设立热线。

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The North has also shut down an emergency military hotline between Seoul and Pyongyang.

BBC: North Korea nuclear test 'not imminent' says South

North Korea says it is cutting a military hotline with South Korea, amid high tension on the peninsula.

BBC: North Korea cuts military hotline with South

The military hotline is used by the two sides to communicate over travel to the Kaesong joint industrial zone, inside North Korea.

BBC: North Korea cuts military hotline with South