key telephone
31Mobile Telephone Service — The Mobile Telephone Service (MTS) is a pre cellular VHF radio system that links to the Public Switched Telephone Network (PSTN). MTS was the radiotelephone equivalent of land dial phone service. As of 2005[update], only rural and wilderness… …
32Invention of the telephone — The modern telephone is the result of work done by many people, all worthy of recognition of their contributions to the field. Alexander Graham Bell was the first to patent the telephone, an apparatus for transmitting vocal or other sounds… …
33Bell Telephone Company — The Bell Telephone Company, a common law joint stock company, was organized in Boston, Massachusetts on July 9, 1877 by Alexander Graham Bell s father in law Gardiner Greene Hubbard, who also helped organize a sister company the New England… …
34History of the telephone — The history of the telephone chronicles the development of electrical technology that enabled bidirectional human speech conversations over distances farther than a person could shout.Telephone prehistoryMechanical devicesBefore the invention of… …
35Federal telephone excise tax — The federal telephone excise tax is a statutory federal excise tax imposed under the Internal Revenue Code in the United States under usc|26|4251 on amounts paid for certain communications services. The tax was to be imposed on the person paying… …
36Nippon Telegraph and Telephone — NTT redirects here. For other uses, see NTT (disambiguation). Nippon Telegraph and Telephone Corporation 日本電信電話株式会社 Type Public Traded as TYO …
37Volume license key — (VLK) is a term used by many computer software companies to denote the product key used when installing software licensed under volume licensing, which allows a single product key to be used for multiple installations.[citation needed] This form… …
38Root Key Ceremony — At the heart of every certificate authority or certification authority (CA) is at least one Root Key(s) or Root Certificate(s) and usually, at least one Intermediate Root Certificate(s). These Digital Certificates are made from a Public and a… …
39Feist Publications v. Rural Telephone Service — SCOTUSCase Litigants=Feist Publications, Inc.v. Rural Telephone Service Co. ArgueDate=January 9 ArgueYear=1991 DecideDate=March 27 DecideYear=1991 FullName=Feist Publications, Incorporated v. Rural Telephone Service Company, Incorporated… …
40Mahanagar Telephone Nigam Limited — Type A publicly listed state owned enterprise Traded as NSE:  …
