 Under Saprang 's leadership , 80 @,@ 000 subscribers of Thai Mobile , a TOT / CAT joint venture mobile phone operator , were cut off temporarily in early May 2007 when owners TOT and CAT Telecom failed to pay the bills of a major supplier . Thai Mobile had accumulated significant losses and the company was not able to make its debt payments or supplier payments . The partners had stopped payments to the supplier , Samart Corporation , for nearly a year , until Samart threatened to suspend services within three days . After no payment , it delivered on its threat . TOT was subsequently able to negotiate with Samart to restart the service . 
