Telephone service providers in four districts of Thailand's Yala province were struggling on Thursday to repair fiber optic cables presumably severed by Losing telephone service caused problems for individuals and businesses, especially for financial institutions. Nisit Chongsuphunphong, customer service manager for state-owned TOT Plc. telecommunication service provider, said that the company would make some changes in response to this incident. He told the Bangkok Post that TOT plans to use its satellite system to provide communication services in the insurgency operation areas in the future. That move will also help security agencies in such areas.