It seems like technology is headed for a massive telephone change over. The traditional Public Switched Telephone Network (PSTN) is looking to be replaced by VoIP. VoIP is short for Voice over IP. VoIP is the routing of conversations over an IP network or the Internet. VoIP uses a packet-switched network instead of the circuit-switched voice transmission lines used by traditional telephone networks. VoIP does not need an Internet connection to work. A company that has a LAN connection with all of its computers can utilize VoIP technology.

VoIP is a great technology, but has a variety of issues with implementation. VoIP may face problems with latency because IPs do not provide Quality of Service guarantees, nor do they provide their packets of information in sequential order. High-speed Internet connections are required for VoIP and firewalls often prove tricky for VoIP technology. To combat this, many people use Session Border Controllers (SBC).

VoIP technology has many advantages. There are more new features with VoIP because of the lack of an International Telecommunications Union. VoIP is still very much an open market for developers, so the technology is constantly being improved. VoIP also has a lower cost than traditional sources because of the monopolies that exist or traditional phone companies being controlled by the government. Some users even see VoIP phone calls as free because they do not have to pay extra for the service. The user only pays the Internet service provider, and therefore the usage of VoIP seems to be free. You can also take your VoIP phone wherever you go because all you need is a network connection to make it work. VoIP technology will also benefit network agents who work for call centers. Agents can help callers from anywhere in the country with an Internet connection. Finally, because VoIP is on the computer, there is increased functionality. Conference calls can be held, information can be sent, and things like address books can be updated and shared over VoIP.

While VoIP has many advantages, there are a few drawbacks to the service. One of the biggest drawbacks is reliability. Telephone lines have back up generators in case of power outages, so phones can keep working. Because VoIP is connected to the Internet, a power outage will end a VoIP call when the computer shuts down. To combat this, users must buy an expensive uninterruptible power supply or a generator that must then be installed on the premises. Internet connections are also subject to disconnection, depending on crowded networks, and the quality of the ISP. If the Internet connection drops, then the VoIP call will be dropped. VoIP is also a problem for emergency calls. Because of the nature of the Internet and VoIP systems, emergency workers cannot trace calls. In the event that someone with an emergency has a problem but is unable to give an address, the emergency worker will not be able to trace the call and find the person. VoIP carriers are already attempting to fix this problem by implementing a technical work-around. Finally, it will be very difficult to integrate VoIP on a massive scale, because while the standard Plain Old Telephone System (POTS) has a common standard, VoIP does not.

VoIP has many advantages as well as some large drawbacks. The main roadblock in the way of global VoIP adoption is reliability. When VoIP proves that it can be just as reliable as traditional telephone services have been over many years, then it will start to be adopted. VoIP technology is always improving, so the problems with VoIP today are likely to be solved sooner than many people expect. VoIP can truly revolutionize both the business world and home life.

About The Author

Mike Schuda is fascinated by new technologies and writes for VoIP Lowdown ( http://www.voiplowdown.com ).

Introduction

The way we make phone calls is changing. In fact in many circumstances things have already changed. Take long distance calls for instance, many service providers are already using a technology called Voice Over IP or VOIP for short. If you have never heard of VOIP before, then the following article will change the way you think about how long distance phone calls are being made now, and about how all phone calls will be made in the future. Voice Over IP (VOIP) is a method for turning analogue audio signals into digital data that can be transferred over the internet.

You may be asking yourself how this is useful. Well think about it for a few seconds. If it is possible to turn analogue signals into digital data, then VOIP can turn a standard internet connection into a method for placing phone calls anywhere in the world virtually free, except for your internet service fee, enabling you to bypass the phone companies entirely.

Voice Over IP (VOIP) has the potential to completely revolutionise the way the worlds phone systems operate. There are many VOIP service providers that have been around for a while, and are growing steadily. Now the worlds leading telecommunications operators are waking up to the endless possibilities of this new technology, setting up VOIP calling centres around the world and promoting the sales of Voice Over IP phone systems.

Making a call

With VOIP phone systems it is possible to make a call in one of three ways:

ATA (gateway) – The simplest way to make a VOIP phone call is through the use of ATA’s (analogue telephone adaptor) sometimes called gateways. These devices enable you to make use of your existing standard analogue phones. You simply plug your standard handset into the ATA (gateway) then connect the ATA to your computer or your internet connection, enabling you to make VOIP calls. An ATA takes the analogue signal from your standard phone and turns it into a digital signal that ready for transmission over the internet. Some ATA’s (gateways) come with additional software that is loaded onto a host computer, enabling you to configure it for VOIP accurately.

IP Phones – These handsets look just like normal standard handsets. They have an RJ 45 Ethernet connector instead of the standard RJ 11 connectors. These phones have all the necessary software and hardware to handle VOIP calls already built in them. They connect directly to your router, providing a very fast and cost effective entry into the world of Voice Over IP.

Computer to computer – This is the easiest way to make use of the VOIP technology. There are many companies offering cost effective software that you can use for this type of VOIP. Usually the only charge you pay is the monthly one from your internet service provider, even for long distance calls. All you need is a microphone, speakers, a suitable sound card and a fast internet connection.

Chances are that you have already made a VOIP call without even realising it. The major phone companies already use VOIP to route thousands of long distance calls through a circuit switch and into an IP gateway. This is then received by a gateway at the other end and then routed to another local circuit switch. More and more companies are installing VOIP phone systems, and the technology will grow and grow until it finds its way into every business and household across the globe.

VoIP Features

Because with VOIP you can make calls from anywhere you have access to a broadband connection, users can take their IP phones or ATA’s with them on trips and still have access to what is essentially their home phone.

Some people use a softphone to access their VOIP service. A softphone is a specially developed software application that loads the VOIP service onto your desktop computer or laptop. Some even have an interface on the screen that looks like a traditional phone. These softphone applications allow you to place VOIP calls from your laptop; anywhere in the world you have access to a broadband connection.

Most traditional phone companies charge you for extra features that are added to your account. With VOIP service providers these usually come as standard. Features such as:

1. Caller ID

2. Call Waiting

3. Call Transfer

4. Repeat Dialling

5. Return Call

6. Three-Way Dialling

Some VOIP service providers also offer advanced call filtering features. These additional features allow you to decide how calls to a specific number are handled by using caller ID information. They allow you to:

1. Forward the call to a particular number

2. Send the call directly to voicemail

3. Give the caller a busy signal

4. Play a “not-in-service” message

Many VOIP services also allow you to check your voicemail over the internet or attach messages to an e-mail that is sent to your computer or PDA. It’s best to check with VOIP phone system suppliers and service operators exactly what features they offer as package and service prices vary greatly.

There are many other cost saving benefits that arise from a streamlined VOIP phone system network. For the network administrators, a VOIP phone system means they only have one network to maintain instead of two. The portability of the phone system is also greatly simplified. This is because most VOIP phone systems can be configured using a web interface, which can be managed by the network administrator. The MAC (move, add, change) process is made much easier, and you will not have to call your system/service provider for every MAC you carry out. All this means lower ongoing costs for your company.

Another cost saving for companies who implement a VOIP system is, because multiple offices, no matter where they are in the world are seamlessly connected, they can share many of the features VOIP can offer, such as:

1. One single receptionist

2. Auto attendant facilities

3. Voice mail system

Choosing a VOIP phone system

If you have decided that a VOIP phone system is the right step for your company, next you need to determine which of your existing telephone equipment you are able to keep. The potential cost savings that can be made through using any existing digital equipment are huge. Many digital phone systems can be IP enabled using minor hardware additions and software upgrades.

When shopping around for potential systems you need to be certain of the features they provide as standard and which are optional cost extras. You also need to be certain of exactly what is included with the system. Many suppliers claim to include everything you need, but standard components can vary from one company to the other. So you need to sure you are comparing equivalent systems when approaching potential suppliers.

You will also need to enquire about the compatibility of existing equipment. The technology used in many VOIP systems may affect the implementation of any existing telephone hardware.

You will also need to ensure that any devices such as fax machines, credit card processors, and security systems etc can be integrated into your new VOIP phone system. You should make any potential vendor aware of such devices so they can provide you with a suitable phone system for your requirements.

Finally, do not try to save money by buying used VOIP phone systems. Remember VOIP is a new technology, so even last years equipment is outdated. Also the installation cost will still apply whether the system is new or second hand, and the service costs may even be higher due to reliability issues. To put it simply it just isn’t worth the hassle, the higher secondary costs will wipe out any potential saving.

Thanks for reading,

Jason

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Jason Morris is co-author of Business Phone Systems Direct. An established communications company, offering advice and implementation of high quality business phone systems.

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Article Source: http://EzineArticles.com/

You have a telephone, right? You have a computer, right? You want to save money, right? BAM, you are a VOIP (Voice Over Internet Protocol) candidate.

It is inevitable that VOIP will replace traditional telephone service at some point. The only question is when should you jump in?

VOIP is quickly becoming more reliable and receiving wider acceptance. In fact, phone companies are already taking advantage of the technology to provide cheaper long distance rates. Like any emerging technology, however, there are kinks in the system that are still being worked out.

Advantages

VOIP has many advantages over regular phone service. One primary advantage is its low cost. If you have a fast Internet connection (DSL or cable), you can make PC-to-PC phone calls anywhere in the world FREE. PC-to-phone connections usually have a charge, but probably still cheaper than regular phone service.

You can sign up with a VOIP service provider for a monthly fee and get unlimited calls within a specified geographic area. For example, some VOIP services in the United States allow connections anywhere in North America for no extra charge. International calls are charged at a modest rate.

Another advantage is its portability. You can make and receive phone calls wherever there is a broadband connection by simply signing in to your VOIP account. This makes VOIP as convenient as e-mail. When you’re traveling, you simply pack a headset or Internet phone; then you can talk to family or colleagues for next to nothing.

Phone-to-phone VOIP is also portable. Internet phones are small and light enough to take anywhere. When you sign up with a VOIP service provider, the Internet phone or adaptor used by that service is assigned a unique number. This ‘phone number’ remains valid, even if your VOIP service is in Los Angeles and you’re connected to the Internet in London. When plugged into a broadband connection, anywhere in the world, you can make and receive calls as though you were at home .

Features like call forwarding, call waiting, voicemail, caller ID and 3way-calling, are included with Internet telephone at no extra charge. While you’re talking on the phone, you can send pictures and documents at the same time.

Disadvantages

There are a few glitches that still interfere with the technology’s broad acceptance by the public. Lack of continuous service during power outages and emergency calling are the 2 biggest hurdles.

Conventional phone service continues by the current supplied through the phone lineduring a blackout. This isn’t possible with Internet phones. When the power goes, there goes VOIP service. Battery backups and power generators that provide electricity are the current solutions to this problem.

A major concern involves emergency 911 calls. For the most part, VOIP services aren’t useful in emergencies. Traditional phone equipment can trace the locations of calls. Emergency calls are diverted to the nearest call center where the operator can identify your location, in the event you can’t talk. With VOIP, there is no way currently to determine where Internet calls are originating. There is an emerging standard called e911 however, which is attempting to solve this limitation.

VOIP also has sound quality and reliability problems. Data sent across the Internet usually arrives at its destination scrambled. E-mail and documents can be reassembled in the correct order when it arrives. Voice data also arrives scrambled, but it’s more complicated because of the real-time nature of VOIP. Some data packets may have to be dropped when they don’t arrive in time, in order to make voice connections with the least delay. This can cause brief silences in the audio stream.

Distance and speed of the connection determine the amount of data lost. Some networks receive more traffic and thus are more likely to cause audio dropouts. One way to provide high quality audio connections is to create dedicated data paths.

With the incredible amount of work dedicated to VOIP, these disadvantages will no doubt be resolved withinin the next 2 years. It is expected that by then VOIP will have widespread consumer acceptance.

About The Author

Ron King is a full-time researcher, writer, and web developer. Visit http://www.voip-solutions-now.com to learn more about this subject.

Copyright 2005 Ron King.

What is VoIP?

First things first, VoIP stands for Voice over Internet Protocol. At a base level that means phone calls over your broadband connection. You really do need a high-speed connection to take advantage of VoIP to get phone calls comparable to a normal landline phone. Traditional “dial-up” connections are not really sufficient.

VoIP works in a different way to your home phone. Your home phone is based on an analogue network, whereas VoIP is based on a digital one. Essentially when you speak into a VoIP enabled phone or headset your voice is converted into digital packets; it is then compressed to help your Internet connection run more efficiently and then it is transferred down the connection much like an email. Once it reaches its destination the process is reversed.

Why might I want to switch to VoIP?

It’s a good question. We all have a working phone in our homes or business, why should we change? Lets look at the advantages and disadvantages of VoIP

Advantages

Well to put it simply - cost. VoIP makes calls significantly cheaper. And (Depending on your package) for a low cost monthly subscription local and national calls can be made for free, and international calls made at a significantly lower rate.

When you subscribe to a VoIP service it is possible to get a phone number for life. You will be able to take your number with you whenever you move (or even travel) with obvious benefits.

The contract packages that companies who are offering the service contain for the most part all the features and more that your current phone service supplier offers. You are likely to find most VoIP companies offering free voicemail, call forwarding, caller ID, call waiting, call waiting ID, 3 way calling, speed dialling and much more.

VoIP is very much in it’s infancy; the technology is progressing all the time. Future benefits that we may not be able to envisage yet are certain to appear, you current analogue phone system will not be able to compete.

Disadvantages

Your VoIP phones system will be exclusively based on your broadband connection, if you ISP has a period of service downtime then you will not be able to make calls. Additionally if your electricity supply has a power out then you will not be able to make any calls, this includes calls to the emergency services. Some providers have already got a work around with the emergency calls, so make sure when you decide on a supplier they provide this.

A further disadvantage currently is the set up of the VoIP is not the simplest procedure to undertake, though many suppliers will assist with installation.

The quality of the call via VoIP can be slightly less than your current analogue phone, but the technology is steadily improving, and before long you will not be able to tell the difference in call quality between the two mediums.

© Mike Bromley 2005

About The Author

Mike Bromley runs a site about VoIP Service Providers at www.speakonline.co.uk.

VoIP, or Voice over Internet Protocol, is finally reaching out to thousands of average homes to offer huge savings in telephone costs. Already popular with the corporate world, VoIP, sometimes called Internet Telephony, IP telephony, or Internet phone, uses your computer’s broadband connection - not traditional phones lines - to make long distance, inter-state or local calls.

VoIP works by converting your voice into data, transmitting it over the Internet, and then converting it back into a voice stream so that it can be played on any telephone in the world - almost in the same way your computer transmits email over the Internet.

Less expensive than traditional phones, and convenient — you just use your computer or a VoIP-ready phone and a broadband Internet connection to make your calls — VoIP makes for good economic sense. Around for a decade now, VoIP has overcome teething problems to come of age, using advances in PC and IP technology to provide voice quality telephone calls at low Internet rates.

Rising Popularity

International and state-to-state calls, expensive on conventional phone systems, are available at lower prices on VoIP. Finding this cost saving and its voice quality attractive, more home users and businesses are choosing to opt for VoIP.

But, to work well, VoIP needs a good bandwidth connection, such as broadband cable or DSL. Freely accessible nowadays — 22% of Americans use broadband right now and the numbers are rising each day — analysts estimate that 50% of Americans will use VoIP in the next two to three years.

The Ins and Outs of VoIP

To use VoIP, you need a broadband connection (either cable or DSL), a regular phone or computer microphone, and a special VoIP router adaptor to connect your phone to the Internet. And, you’ll also need the services of a VoIP service provider, such as Vonage or Skype. Depending on the service you use, you can either use the telephone connected to the VoIP router, or call directly from your computer using your computer’s microphone and speaker.

Your call connects to your VoIP service provider, and they route the call to the phone number you dialed, converting the VoIP data into a plain old telephone call before reaching its destination. This is how you connect to any telephone in the world, regardless of whether the person you are calling is using VoIP or plain old telephone service.

There are a number of different companies that offer VoIP services. But make sure they provide good voice quality and reliable support, and comply with Industry Standards. Ask potential service providers about the security controls they use to ensure your data and identity is safe and not open to hackers or virus attacks. You can test several trial downloads before you choose your VoIP service provider, and you can always visit user forums on the Internet to check out the kind of problems that customers experience with these service providers.

Cost Factors

Right now, VoIP is fairly inexpensive, averaging around $15 - $65 per month. This is because the VoIP industry enjoys special tax breaks and other privileges. These privileges may be withdrawn in the future, though lobbyists are trying hard not to let that happen. In any case, VoIP is likely to become less expensive as more people turn to it in the future.

In addition, there are a number of free VoIP service providers (who usually have some paid upgraded services) that will allow you to make free VoIP calls among the users of their network. For example, if you sign up for the free Skype service, you can connect with any other Skype user and talk for free.

VoIP - the Pluses and Minuses

Apart from the ease of use, people choose VoIP because it is inexpensive, letting them “phone-trot” any wherever they want to without having to worry about the length of a call, how often you call, or the cost when the bill arrives. Additionally, with some VoIP services, there are no fixed monthly charges to pay, like a regular phone.

On the other hand, if your Internet connection is down, your Internet phone is inoperable as well. And, slow IP connections can hamper VoIP transmissions, causing problems like echoes, delayed response times or voice failure. It’s the sort of thing that happens when you find it difficult to connect to the Web, or can’t download a file, only it affects VoIP more.

Still, with the advances made in VoIP technology over the past year or so, and the growing momentum with consumers, VoIP is definitely worth looking into for your home. There’s even a site that will let you test whether your home broadband connection is ready for VoIP. Just go to www.TestYourVoIP.com, and test your home broadband connection in less than 5 minutes for free.

So take a chance and look into VoIP. You may be surprised at how much money you can save every month on phone services — and you can brag about your technical savvy to friends, co-workers, and neighbors!

About The Author

Chuck Smith runs http://www.LGVoIP.com, a resource for information about the Voice over IP (VoIP) industry. Find out more about VoIP, and whether VoIP is right for you, at LG VoIP.