Microsoft will provide China Telecom, the nation's biggest Internet service provider, with a Web search service to try to raise the carrier's share of the Chinese Web market, Bloomberg reported. Microsoft will provide its Live Search service to China Telecom's 25 million broadband customers and more than 80 million Internet users, the two companies said at a briefing in Beijing. China Telecom will use Microsoft technology to expand the voice search service it currently provides customers through its Best Tone business, said the paper.The agreement will allow Microsoft to tap into "China Telecom's strong broadband subscription base," said Jenny Szeto, an analyst at Daiwa Institute of Research. Microsoft is working with China Telecom to raise its share of the Internet market in China, whose users are expected to double in five years, according to the market researcher IResearch. The world's biggest software maker has invested hundreds of millions of dollars on its search engine to lure customers away from Google. Microsoft trails Baidu.com, Google and Yahoo! in China.