Chatchai told reporters that the talks went smoothly and the draft roadmap would deliver a political solution to the conflict.
The violence in southern border provinces flared in 2004 after firearms were seized from a Thai military base. Deep South Watch, which monitors the situation in the region, says more than 7,300 people have been killed in the conflict since then.
Insurgents are calling for independence for Pattani, Yala, Narathiwat and four districts of Songkhla, which border Malaysia. The region was annexed by Thailand in 1909 as a part of treaty with Britain.
