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Atelephone network is atelecommunications network that connectstelephones to supportcalls between them that facilitatehumancommunication. The technology eventually came to be used for communication between humans andmachines (i.e.fax anddial-up Internet access) although today this has been replaced withdigitaltechnologies.
The world was transformed in the1920s as the phone became ubiquitous; with people sharingnews,ideas, andpersonal information.[1] During the1990s, the phone helped transform the world again with the advent ofcomputers, sophisticated communication devices, and viadial-up internet.[2]
There are a number of types of telephone network:
Atelephone company owns and builds landline and wireless networks and provides services to the public under license from the national government. Amobile Virtual Network Operators leases capacity wholesale from a telephone company and sellstelephony service to the public directly.
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