Senior officials from both countries said they were still waiting to hear final details on the deals after comments by the U.S. commerce secretary, Howard Lutnick.

First came a push from the Malaysian premier, then China reached out, but it was only after U.S. President Donald Trump called Thailand's leader last week that Bangkok agreed to talks with Cambodia to end an escalating military conflict.

Long-simmering tensions between Thailand and Cambodia escalated to deadly violence on July 24, setting off five days of military clashes at multiple spots along the roughly 800-kilometer (500 mile) border.