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VoIP, or voice over internet protocol, allows you to make telephone calls using a computer network, over a data network like the Internet. VoIP converts the voice signal from your telephone into a digital signal that travels over the internet then converts it back at the other end so you can speak to anyone with a regular phone number.

When you are making a VoIP call using a phone with an adapter, you'll hear a dial tone and dial the number just as you always have. VoIP may also allow you to make a call directly from a computer using a conventional telephone or a microphone. One way to place a VoIP call is to pick up your phone and dial the number, using an adaptor that connects to your existing high-speed internet connection. The call goes through your local telephone company to a VoIP provider.

If you're planning to make VoIP calls, then you'll have to make sure that when you sign up for your high speed internet plan, that the company supports VoIP, because some may not. From there all you will need to do is make an ordinary telephone call, using the adapter that connects to your internet of course.

What is VoIP ?
A digital telephone service that uses the public Internet and private backbones for call transport.
VoIP is a current digital technology service used to simulate telephone calls, a technology which uses the Internet and other private backbones for call transport over the Internet. The VoIP technology converts analog voice signals into digital data packets and supports real-time two-way transmission of conversations using the infamous Internet Protocol (IP).

VoIP calls can always be made on the Internet using a VoIP service provider and standard computer audio systems. Alternatively, some service providers support VoIP through ordinary telephones that use special adapters to connect to a home computer network. Many VoIP utilizations are based on the H.323 technology standard.

Reasons for Choosing VoIP
Voice over IP -VoIP- was created in order to provide access to voice communication globally. The truth is, in a lot of places around the world, voice communication is quite expensive. Consider making a phone call to a person living in a country many thousands of miles away. First thing that comes to mind is how expensive that phone call is going to be. VoIP technology solves this problem once and for all.

There are of course a few disadvantages attached to the use of VoIP, like it would be with any other new technology, but the advantages largely outweigh these drawbacks. Let's discover below the goods of VoIP and observe how it can elevate your everyday home - business voice communication.

When you donít use VoIP for voice communication, then you are most assuredly using the past technology phone line also known as PSTN Ė Packet-Switched Telephone Network. On a PSTN line, you will pay a lot. You actually pay for each minute you spend talking on that phone. You should know by now that international calls are much more costly. Since VoIP uses the Internet as backbone, the only cost you have when using VoIP is the monthly Internet bill to your ISP. Of course you will need a broadband Internet access with a quite fast speed for VoIP. In fact, unlimited ADSL Internet service is what most people use today, and this causes your monthly phone - Internet bill to be of a fixed amount of money. You can speak as much as you wish on VoIP and the connection cost will still be the same.

VoIP Bandwidth Requirements

One thought to be made in choosing VoIP is the fact that it uses a good deal of internet bandwidth. VoIP requires a high-speed Internet connection for stable and seamless performance, and nowadays most ADSL connections have a limited amount of bandwidth ready for use, depending on your country. This article will examine some of the features of VoIP bandwidth.

Most home users of VoIP will not encounter any bandwidth problems if they have an high speed ADSL Internet connection. These types of connections generally yield more bandwidth than is essential for quality VoIP calls to be made. However, it would still be a good idea to find out your available bandwidth and how much is required by your VoIP service. For business users with multiple lines, bandwidth is a serious consideration for VoIP, so more care needs to be taken.

The minimum bandwidth nowadays, of a ADSL Internet connection is roughly 384kbps ( kilobits per second). The maximum can be as much as 7mbps (megabits per second) or more. A VoIP call made with the highest quality setting will require around 100kbps of this bandwidth. A fax sent over VoIP will demand about the same number. So, as you can see, most connections should easily provide enough bandwidth for one or two simultaneous voice calls. But you should for many reasons check how much bandwidth you have in store.


VoIP Equipment

Types of VoIP Equipment

VoIP equiment includes items such as VoIP phones, VoIP phone equipment, VoIP Business Conferencing, VoIP routers, VoIP phone adapters or Gateways, VoIP business systems, or VoIP headsets! VoIP power over ethernet accessories, VoIP conference systems,VoIP firewalls, VoIP VPN, VoIP networking accessories, IP PBX, VoIP Cisco equipment, VoIP bluetooth, and miscellaneous accessories
Types of VoIP Equipment

VoIP Analog Adapters
Do you want the cheap and suitable services of VoIP telephony without giving up the good old features of your old phone? In that case, you should keep your analog phone when you make the convertion to VoIP and buy a VoIP analog adapter. This should help you transition to VoIP with ease, as well as save you money.

VoIP Bluetooth
So we have the advantage with VoIP that we can combine components and reach a solution that matches our needs. Wireless headset is the best example for this. Each and every one of us is familiar with wireless headset and have used it at least for a few times. As we all know if we want the wireless headset to work with our phone, the phone set should have Bluetooth support.

VoIP Cisco Equipment
Cisco networking is one of the world's leading manufacturers of networking equipment. They are particularly famous for their IP phones, routers, switches, as well as a series of IT certification programs.

VoIP Conference Systems
VoIP conference systems allow a number of users participate in conference calls with IP technology rather than analog telephony. Different people can speak at the same time (live).


IP PBX (Internet Protocol Private Branch eXchange) is a telephone switching system that authorizes people to place internal calls within a local network, as well as externally to other phone lines.
A VOIP Phone System / IP PBX system consists of one or more SIP phones / VOIP phones, an IP PBX server and optionally includes a VOIP Gateway. The IP PBX server is similar to a proxy server: SIP clients, being either soft phones or hardware based phones, register with the IP PBX server, and when they wish to make a call they ask the IP PBX to establish the connection. The VOIP PBX System has a directory of all phones/users and their associated SIP address and so VOIP PBX is able to connect an internal call or route an external call via either a VoIP gateway or a VoIP service provider.

VoIP Mobile VoIP
Mobile VoIP is the ability to add mobility to a VoIP (Voice over Internet Protocol) network. This feat is accomplished by integrating a mobile handset into a VoIP network.

Power over Ethernet
Power over Ethernet (PoE) is the term for a system that allows both data and DC electrical power to transmit over an Ethernet line. This technology has astonishing capabilities, particularly.

VoIP Accessories
As the popularity of VoIP continues to grow, so does the selection of VoIP accessories. From phones to cameras, there are many necessary tools and not-so-necessary toys that should be.

VoIP Firewalls
As VoIP gets more and more commercial in businesses, at home and school campuses, the aspect of VoIP firewalls has become crucial. Firewalls are internal devices or specific software that monitors the packets send to and from the client-server.

VoIP Gateways
A VoIP gateway is the equipment that converts analog telephone signals into IP addresses ready for broadcast. If you would like to use a traditional analog phone for VoIP calls, then you will probably need a VoIP gateway.

VoIP Headsets
If you would like to make calls and talk-listen through a headset rather than a handheld phone, VoIP headsets are easily available for purchase. This kind of VoIP phone is usually preferred when one requires to keep both hands free for typing on the computer. Call centers and others who use VoIP for business practices will probably benefit the most from a VoIP headset.

VoIP Phones
A VoIP phone is one that is especially constructed for making phone calls over the Internet. The phone readies standard audio signals into digital signals for transference across the Web.

VoIP Routers
A VoIP router is the device that connects two communicating networks and enables standard phones for voice calls over the Internet. A lot of people confuse VoIP routers with VoIP gateways, even using the terms interchangedly. But one must know that they are two different things.

Wireless & WiFi VoIP
Not only are people switching from standard landlines to VoIP telephony, WiFi technology is now offering an alternative to cell phones. Users can now purchase a phone that is similar.

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Article by Svetlana Lozovenko
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