Thailand's Prime Minister Abhisit Vejjajiva is seen at the Parliament in Bangkok November 10, 2009. [Agencies]

Thaksin's arrival in Cambodia was not surprising since Cambodian Prime Minister Hun Sen announced earlier Thaksin was appointed as an advisor to the Cambodian government, Thai television Channel 9 reported.  

Thaksin arrived in Cambodia's capital Phnom Penh Tuesday morning to take up his new job as the advisor of Hun Sen and the Royal Government.      

Currently, involved authorities are working on the documents to send to Cambodia, the Thai prime minister said.  

As Thailand is waiting for the further development from Cambodia, it is unsure how long Thaksin will stay in Cambodia, Abhisit said.

Thailand and Cambodia have downgraded diplomatic relations due to conflict over the  appointment of Thaksin as an economic advisor to Cambodia's government on November 4.  

A day after the appointment of Thaksin, the Cambodian government announced recall of its ambassador to Thailand in a move to respond to the Thai government's recall of its ambassador to Cambodia.