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电信业务系列从书陆续出版近年来，我国的通信事业高速发展，在电话日益普及的同时，各种电信新业务也不断出现。为了及时宣传各种电信新业务，使社会各界人士不但了解电信新业务给工作和生活带来的方便之处，而且能够正确、合理、有效地使用这些业务，由中国邮电电信总局...
In recent years, China’s telecommunications industry has witnessed a rapid development. As the number of telephones has become increasingly widespread, various new telecommunications businesses have also emerged. In order to promptly promote all kinds of new business of telecommunications, people from all walks of life not only understand the convenience brought by the new business of telecommunications to work and life, but also use these businesses correctly, reasonably and effectively by China Telecom.