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Telecommunications Directory
註釋This new 12th edition of Telecommunications Directory features approximately 6,800 entries including increased coverage of international telecommunications companies. This resource provides detailed information on telecommunications companies providing a range of products and services from cellular communications and local exchange carriers to satellite services and Internet service providers. Entries are arranged alphabetically by organization name and typically include a list of products and services; complete contact information, including URLs where available; and a profile of the organization's activities. Telecommunications Directory also includes a glossary defining more than 500 terms, acronyms, concepts, standards and government rulings.