Telephony
Category: Иное
Обновлено: 9 дек 2017
Telephony timeline
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Created bymgonzalez
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События
Antonio MeucciAlexander Graham Bell and Elias GrayFirst telephone exchangeSelf-winding telephone exchangePulse dialing telephoneFirst Motorola mobile phoneSecond generation that uses systems like GSM2G. New services. EMS and MMS.InternetInternet developmentNokia SymbianPDAsMobile with wap browserMobile with internal antennaFirst mobile with integrated camera3Gfirst iPhoneS.O. Android4G+5G100,000 million devices connected to the InternetПериоды
1st stage2nd stage3rd statge4rth stage
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