Introduction to VOIP Network

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  Introduction to VOIP Network  Introduction to voip network, how internet telephony works, how to make internet phone calls, and whatactually is voice over internet protocol. VOIP is simply a transmission of the voice traffic over IP networks. VOIP is a family of technologies, in which IP networks are used for the voice applications andtraffic e.g IP telephony, voice chat and teleconferencing. VOIP gives solution at almost every layer of the IP network. The Internet Protocol was developed and designed for data communication. The success of the IP network has led to its adaptation to voice networking. Voice over internet protocol is the fast emerging and replacement technology for the voice communication. Many people still want to know that how it works. Voice over internet protocol costs less than your regular phone service and for this reason its more attractive to the consumers. VOIP also costs less than a mo!ile phones monthly cost. In the fast communication age, the num!er of the VOIP providers is increasing. s the num!er of the VOIP providers grows it gives the more options and calling plans. The VOIP service is availa!le for  !oth residential and commercial use that ranges from P#$to$P# service and P#$to$Phone and Phone$to$Phone. The following are the most common and !asic features of the VoIP. VOICE OVER INTERNET PROTOCOL FEATURES The ma%or feature of the VoIP is that the customers can make call to everywhere in the world. Only the  !road!and internet connection is re&uired. The customers can take their IP phones with them on the national trips as well as on the International trips. mong the other features of the VoIP are the soft  phones, which is a software application that loads onto the computer and is used to make the phone calls. The interface of these softphones is similar to the telephone. 'y these software phones, anyone callmake phone calls to everywhere in the world if !road!and internet connection access is availa!le. The most VOIP services also gives the access and options of call waiting, caller id, call transfer, repeat dialing and three way dialing features. There are some additional features like call filtering, forwarding acall or sending a call to the voice mail, !ut the service providers may charge additionally for these services. Most VoIP service providers allow the customers to check their voicemail or attached messagesto an e$mail !y connecting to the we!.The facilities and the components of a VoIP phone system that are supplied !y the VoIp providers and  phone operators are generally vary with each other. The users should !e aware of the pros and cons of the VoIP services !efore su!scri!ing. lso, the customer should also check the availa!ility of the ()*+ cutomer support that may !e re&uired fro the VoIP hardware as well as software configurations and for other technical issues.  How IP Telephony Fits In mong the other names in the VoIP industry, the kype and Vonage are the !iggest names and all the credit for the growth of VoIP goes to kype and Vonage. There are a large num!er of other vendors for the telecommunication industry that have promoted the -IP telephony. s well as the #isco ystems and vaya were two of the earlier names in the VoIP phone system technology. The have paved the way for the growth of VoIP technology. More and more residential customers are using the VoIP service likewise the corporate customers are integrated the IP !ased$voice technology and upgrading their IP networks to support the VoIP technology. This transition is similar to the move from mainframe computers to the personal computers a couple of years ago HOW DOES VOIP OVER INTERNET PROTOCOL WORKS Voice Over Internet Protocol also called Internet Telephony and internet telphony is the technology fo future. /ith this technology you can make free of cost and very cheap long distance calls all over the world. VoIP uses a !road!and Internet connection for routing telephone calls as opposed to the switchingand fi!er optics. 'y this process the customer can get the higher efficiency and &uality of service as wellas low cost. One ma%or and interesting aspect of the VoIP technology is that there is no ma%or infrastructure is re&uired.The VoIP infrastructure includes the !road!and Internet connection, regular telephone line and VoIP software and hardware. ome of renowned companies of the voice over internet protocol !usiness are Vonage and kype. These !oth companies prove services to their 0 people as well as people of the other countries. #isco systems has also a !ig name in providing the VoIP hardware.1et the !est VOIP phone installed on your computer and start calling a!road at cheap international rates. VOIP is used !y millions of people throughout the world to call a!road at a low cost.   Introduction to VoIP Welcome to the Introduction to VoIP site. VoIP means “Voice over Internet Protocol”. If you've ever used an internet phone or a system like Skype® or voice chatted with icrosoft® essen!er the you've #een usin! VoIP.With a #road#and connection VoIP is very easy to !et into as most computers #oth ac and P$ support the protocol with software applications. It is also possi#le to #uy VoIP phones which can #e plu!!ed into your computer and work with say Skype® and it is also possi#le to #uy VoIP phones which plu! into your #road#and router.  %his introductory site is &ust to !ive you a taster of VoIP from a homeusers perspective. If you would like to find out more detail or look at serious VoIP use in #usiness then why not visit  our advanced site( “)ll a#out VoIP” which is part of our family of telecoms related sites. )lternatively you mi!ht want to visit the site of one of our sponsors. The PSTN system %his is the Pu#lic Switched %elephone *etwork the normal phone network often called the land line network. PS%* is a “hard wired” connection which is usually routed throu!h a switch#oard. %he PS%* is #ased on copper wires formin! a circuit #etween the two phones involved in a call. %hese phones doa specific task #ased on efficient communication of voice si!nals. PS%* has #een in service for around+,, years. %he PS%* needs vast len!ths of copper wire connected to local e-chan!es and is !ood at the dedicated task it performs  telephony / #ut not so !ood at handlin! the needs of telecoms in the Information a!e. The VoIP system VoIP relies on #ein! connected to an internet style network which uses IP addresses. Voice transmission is sent as 0i!ital packets of information switched to specified addresses in the network.VoIP uses either a purpose #uilt phone for VoIP sometimes called an IP 1ardphone or an applicationpro!ram/ runnin! on a user's P$ !ivin! VoIP telephony access. %his is sometimes called an IP Softphone. VoIP and quality VoIP re2uires a !ood route across the network #etween the sender and receiver of the voice transmission. Pro#lems usually occur for home users #ecause( ã %heir #andwidth up to the internet is too low voice distortion/. ã %here are many routers #etween them and their recipient voice la!/. ã %he pro-y servers for the VoIP si!nal are overloaded voice dropouts/. %hese pro#lems can only #e improved #y selectin! a provider who has access to a !ood local and national and international IP network. %his means that 2uality VoIP communications are most often the province of #usiness customers.  Introduction to Voice over IP (Voip) Voice over IP (Voip, pronounced voyp ) is a technology that allows voice conversations to be conducted over the Internet (hence IP, for Internet Protocol) instead of the plain old telephone system (POTS)Voice over IP isn!t an especially new technology People have been using software li e #icrosoft$et#eeting to chat using the Internet for several years, while Spea %reely a pioneering piece of Voip software that has now largely fallen out of use was &rst released in '' #any Internet users are already familiar with Voip technology than s to the popularity of S ype hat ma es Voip an interesting technology is that it is one that is set to revolutioni*e the way ordinary telephone conversations are conducted Today, it is a toy for computer users to play with, but tomorrow everyone, even your grandmother, will be using it even if they don!t reali*e it, and even if they don!t own a computer This article will e+plain how Voice over IP wor s, what distinguishes the dierent systems, and provide some technical bac ground with lin s you can follow up for greater detail if you are interested If you are thin ing about trying out Voip, this article will help you to decide which solution to use, and help you to understand what is going on in the bac ground when you use it How Voip works  The basic principle of Voip is very simple It!s the same technology you have probably used already to listen to music over the Internet Voice sounds are pic ed up by a microphone and digiti*ed by the sound card The sounds are then converted to a compressed form, compact enough to be sent in real time over the Internet, using a software driver called a codec  The term codec is short for -encoder.decoder- The sounds are encoded at the sending end, sent over the Internet and then decoded at the receiving end, where they are played bac over the spea ers The only re/uirements are a connection between the two computers of an ade/uate speed, and matching codecs at each end To be usable, a Voip system also needs a method for establishing and managing a connection, for e+ample, calling the other computer, &nding out if they accept the call, and closing the
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