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Explain the evolution of telephone system ?

Telephone
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Question added by mohamed naleem khan Idurus , ELV Engineer
Date Posted: 2014/02/28
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Othman ben ayade

GSM ==> WCDMA ==> LTE . Simple ==>  Windows phone ==> apple , Android 

Appel vocal ==> appel video appareil digital ==> appareil video ==> appreil HD ==>Appareil3D 

 

Zouhair Oubdi

is evolution quick with commerce in world

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