At first, the meeting to resolve the border dispute seemed a success.
Thailand insists that bilateral talks can resolve the border dispute and rejects outside mediation.
If the country were cleared of the allegations raised by the U.N., the international community would be more amenable to helping resolve the border issue.
Talks between the two countries aimed at resolving the border issue have been going on for ten years and 15 rounds.
Meanwhile, the Sudanese president, Omar al-Bashir, met with his southern counterpart, Salva Kiir, to begin talks aimed at resolving the border dispute.
The Americans had been working on ways to resolve the border and settlement issues with a formula in which they would make a declaration about the 1967 border and about Israel being a Jewish state.
In an attempt to resolve the border dispute, Prime Minister Abhisit Vejjajiva of Thailand and his Cambodian counterpart, Hun Sen, met on the sidelines of the meeting in talks facilitated by President Susilo Bambang Yudhoyono of Indonesia.
Meanwhile, the Sudanese president, Omar al-Bashir, met with his southern counterpart, Salva Kiir, in Ethiopia, alongside Ethiopia's president and Thabo Mbeki, the former president of South Africa, to begin talks aimed at resolving the border dispute.
Thailand says there is no need for third-party intervention - bilateral channels are best to resolve the border tension.
"We need a pragmatic approach to resolve the border dispute, said CV Rangnathan, a former Indian ambassador to China who also attended the conference.
