Voip – The Nuts And Bolts

3464 words - 14 pages

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VOIP - The Nuts and BoltsJanuary 22, 2007VOIP - The Nuts and VoltsVoice Over Internet Protocol (VOIP) is a relatively new technology in the telecommunications industry. VOIP is redesigning the industry in different ways with newer technology in a more cost-effective way. We started the telephone network where a telephone company housed switch board operators in a room with a large board that included pegs with wires attached. The operators would receive a call on a main line from the caller, get instruction on whom the call was to be connected with, and the operator would move the correct peg to the connection socket of the receiving caller. This experience is fun to witness in the old movies. Fast forward to today we have a telephone network that automatically switches calls, based on the number that is dialed. VOIP has taken us even further in the communication arena. In this paper we will uncover the evolution of VOIP and the impact on telecommunications by describing the technology involved, describing future trends, giving examples of companies currently involved, describing regulatory issues surrounding VOIP, and describing the global implication of this technology.What is VOIPVOIP, also known as Voice Over Internet Protocol, is the routing of a voice signal over a broadband connection. It comes in several other names including IP Telephony, Internet Telephony, and several others but they all refer to the same technology. Essentially VOIP takes a voice, compresses it digitally and broadcasts it in packets over the internet to a recipient either on the internet or in some cases on a normal PSTN line. VOIP is helping to revolutionize the telecommunication industry by allowing users to call anyone in the world with a broadband connection and similar software. Essentially someone in the United States can call someone in China at no cost using free software. Some VOIP companies, as you will read, provide the same features that users are familiar with on PSTN systems. Vonage for instance provides all the same features as you would expect to have access to with your local phone company.There are also some disadvantages to using VOIP. It requires a broadband internet connection to be able to receive the packets fast enough for the service to work. Without broadband a user would not be able to receive the call. Latency and packet loss can also have a large impact on the service as the user on the other end my not receive the entire conversation. Power outages are also a factor in up-time with these services. Although it is the same today with a PSTN system where most people today have cordless phones which are also dependent upon electricity to function.VOIP TechnologyVOIP uses a specific protocol in order to transmit voice signals over the internet. VOIP works by digitizing the voice and segmenting a voice signal into frames and storing them in packets using a digital signal processor. These...

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