The telephone
Telephone: story and contemporary of telephone
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Jan
24
2016
A brief history about telephone
Advanced mobile phone system
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The telephone
Telephone: story and contemporary of telephone
Menu
Home
Categories
Advanced mobile phone system
Alexander graham bell
Answering machine
Camera phone
Dual tone multi frequency signaling
Duplex in telecommunications
Earphone
Handset
Human voice
Landline
Loudspeaker
Microphone
Miscellaneous
Mobile phone
Motorola
News
Public switched telephone network
Rotary dial
Signal in information theory
Small appliance
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Switching center
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