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3 Articles

Telephone exchange

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21 Min Read

A telephone exchange, telephone switch, or central office is the telecommunications system in the PSTN or in big business. It interconnects digital...

Telecommunication

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1.6K Views

27 Min Read

Telecommunications is the transmission by cable, radio, optical, or other electromagnetic systems of different forms of technology. It...

Voice over IP or VoIP

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2.3K Views

23 Min Read

Voice over Internet Protocol (VoIP), often known as IP telephony, is a method and set of technologies that allows voice conversations and multimedia...

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