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Unit 1 Assignment 1 . Voice vs Data

Cell Phones – any portable telephone that uses cellular network technology to make and receive calls. The name comes from the cell-like structure of these networks(1)
Voice / Data - Newest phones allow voice and data

Landline Phones - A landline or land line refers to the telephone cables that pass over the land (as compared to undersea cable and to wireless transmission) to ensure communication. A landline phone is commonly the type of phone you user with your PSTN or plain old telephone system (POTS). This is often used in contrast with mobile phone or VoIP phone.
Voice /Data - One copper wire serves as the data connection while the other wire supplies the phone with power.

SMS / Text Messaging - SMS stands for short message service. Simply put, it is a method of communication that sends text between cell phones, or from a PC or handheld to a cell phone. The "short" part refers to the maximum size of the text messages: 160 characters.
Voice / Data – Data

Fax Machines - A device that sends and receives printed pages or images over telephone lines by converting them to and from electronic signals.
Voice / Data – Data

Pagers - There are basically two types of pagers. The most common version of pager works basically the same way a radio does; it receives transmitted radio waves from an outside source. It takes the energy transmitted via radio wave and converts it into electrical impulse.
Voice / Data – Data

VOIP ( voice over ip ) phones - VoIP, or Voice over Internet Protocol, is a method for taking analog audio signals, like the kind you hear when you talk on the phone, and turning them into digital data that can be transmitted over the Internet.
Voice / Data - It takes the analog signal from your traditional phone and converts it into digital data for transmission over the Internet.

Skype / Facetime - Skype uses VoIP

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