Nt1310 Unit 1 Assignment 1 Voice vs Data

In: Computers and Technology

Submitted By Hneh
Words 354
Pages 2
Samuel Johnson
NT1310 Unit 1. Assignment 1
September 17, 2015
Voice vs. Data
Cell phones- wireless phones served by a cellular telephone system broken into small geographical areas. It’s a two-way that carries full duplex conversations. Cell phones have evolve from 1G, which carries information similar to the way fixed line phones transmit voice from subscriber to central office to 4G network for fast access of the internet. It uses both voice and data networks. (woodward, 2012)
Landline phones – Initially landline phones started as a device to transmit voice. While it didn’t seem like a good choice to transmit data, however, for many years it was subscribers’ only choice for transmitting data.
SMS/Text messaging –The short messaging services (SMS) still works on voice networks. It is the mechanism of sending short messages over mobile networks. The message from the sending mobile is stored in a central SMS center which then forwards it to the destination. SMS can be no longer than 160 characters. (http://www.wirelessdevnet.com)
Fax Machine – short for facsimile machine is a device that can send or receive pictures or text over a telephone line. It works by digitizing the image into grids of dots. The dot is either black or white representing on or off. (http://www.webopedia/TERM/fax-machine.html)
VOIP (voice over IP) uses VOIP technologies for placing and transmitting calls over an IP network such as the internet, instead of the traditional public switch telephone network (PSTN). With VOIP analog voice calls are converted into packets data. With VOIP calls can be made to land lines or cell phones as well as computer to computer.
Skype/Facetime – are VOIP technologies that used both data and voice networks. This communication works through the internet. Instead of sending signals via a PTSN network, VOIP applications usually uses SIP(session initiation…...

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