Internet Telephony Essay Example | Topics and Well Written Essays - 1250 words

Internet Telephony - Essay ExampleHistory of Voice all over Internet Protocol (VoIP) can be dated back to 1973, when the Advanced Research Projects Agency Ne devilrk (ARPAnet), the predecessor of todays Global Internet, used Packet Switching for junction communication. By the late mid-nineties it evolved into a standard teleph genius hooked up to an internet connection. Today, with the introduction of Broadband Internet and improvement in Quality of Service, traditional promise lines are slowly being phased knocked out(p) as businesses and households around the world embrace the benefits and features that VoIP technology has to offer.In existing telephone systems, which use circuit switching, when a call is made between two parties, the connection between them is maintained for the duration of the call. This is the basic foundation of the Public Switched Telephone Network (PSTN). Earlier, every call had to have a dedicated wire str and so oning from one end to the other for the d uration of the call. So, if suppose you wanted to call from Washington DC to San Francisco, you actually owned a cable that long for the duration of the call. Later, with digitalization, your voice along with thousands of others was combined onto a single fiber optic cable for most of the distance, yet there was a dedicated copper wire deprivation through each house. For more than a hundred years, the PSTN was the only bearer network available for telephony. (PSTN, par.5)In VoIP, you do not maintain ... Each payload is because packed in a packet with an address on each one telling the network devices where to send them. The packet is then send offd through the internet to the receiving computer, which retrieves the payload and reassembles the data in its fender state, which is, in the last networking stage, converted back to voice. Each packet may follow an entirely different path to the destination computer. This makes VoIP very efficient since it lets the network route the pac ket along the least congested lines. Also, since there is no need for any continuous connection, it minimizes the time that a connection is maintained between two systems, which reduces the load on the network. (HPSW, par.3) So, if given the liberty to define, we could call VoIP as the process of converting voice into data and then sending it via a network.VoIP RequirementsThe things you would need to get started areA High Speed Internet Connection Depending upon availability, your budget and the amount of telephone traffic, you can choose between many different products.A VoIP Box An adaptor that lets you connect your phone to the network.An Account with a VoIP Provider That provides real-time two-way voice communication using the Internet Protocol.An Audio I/O Device OR A Stunning Gizmo Although to use some of the basic services, you could just get away with your PC with a Speaker and a Microphone, most users are habitual to a soft phone loaded on a laptop. Wi-Fi enabled mobile p hones today provide additional features like multi-call conferencing, video conferencing, internet faxing, web browsing, etc.Advantages of Using VoIPOne major advantage of the Packet Switching technology used in VoIP is that it allows multiple phone