VoIP Internet phone systems
So what exactly is VoIP anyway? VoIP means "Voice over Internet Protocol" and this technology quite literally allows you to make telephone (voice) calls using a broadband Internet connection instead of a regular or analog phone line. If you're interested in trying VoIP to cut down your phone bills, please read on or jump down the page to see a quick overview of three selected services.
Check each VoIP service carefully before you select one, because there are differences in the way they operate. Some only allow you to call customers using the same service, whereas others allow you to call anyone at all, whether it's local, long distance, mobile, or international. It's also worth bearing in mind that some VoIP services only work through your computer or a special VoIP telephone, and others allow you to use a traditional phone connected to a VoIP adapter.
So how does VoIP work?
VoIP converts your voice into a digital signal that travels via your computer over the Internet. If you are calling a regular phone number, the signal is converted back to a regular telephone signal before it reaches the destination. VoIP can allow you to make a call directly from a computer, a special VoIP phone, or a traditional phone connected to a special adapter.
Do I need any special equipment?
You must have a broadband (high speed Internet) connection, either through a cable modem or via high speed services such as DSL or a local area network. You also need a computer, adaptor, or specialized phone. Some VoIP services only work over your computer or a special VoIP phone, while other services allow you to use a traditional phone connected to a VoIP adapter. Special VoIP phones plug directly into your broadband connection and operate largely like a traditional telephone. If you use a telephone with a VoIP adapter, you'll be able to dial just as you always have, and the service provider may also provide a dial tone.
If you use your computer, you will need some software and an inexpensive microphone. Personally I recommend a headset with earphones and microphone, just like switchboard operators use, as this leaves your hands free for the computer. Also, you can sometimes get a strange effect caused by a slight delay in transmission. If the person at the other end is also using a computer, he'll hear your voice through his computer's speakers, and if there's a slight delay in transmission you might catch an "echo" of everything you say. If both parties wear headsets, this little problem is eliminated.
Is there a difference between local and long distance calls?
Some VoIP providers offer their services for free, normally only for calls to other subscribers to the service. Your VoIP provider may permit you to select an area code different from the area in which you live. It also means that people who call you may incur long distance charges depending on their area code and service.
Some VoIP providers charge for a long distance call to a number outside your calling area, similar to existing, traditional wireline telephone service. Other VoIP providers permit you to call anywhere at a flat rate for a fixed number of minutes.
Who can I call using my VoIP service?
It depends on the service you choose. You might be limited only to other subscribers to the service, or you may be able to call anyone who has a telephone number – including local, long distance, mobile, and international numbers. If you are calling someone who has a regular analog phone, that person does not need any special equipment to talk to you. Some VoIP services may allow you to speak with more than one person at a time.
What are the advantages and disadvantages of VoIP?
One advantage is that some VoIP services offer features that are not available with a traditional phone, or are available but only for an additional fee. Another advantage is that you may be able to avoid paying for both a broadband connection and a traditional telephone line. And with fixed rate "unlimited" VoIP service, this may work out cheaper if you typically make a lot of calls every month.
Disadvantages include the fact that some VoIP services don't work during power outages. Also, not all VoIP services connect directly to emergency services through 9-1-1. (For additional information on this, go to www.voip911.gov. Finally, VoIP providers may or may not offer directory assistance/white page listings.
These disadvantages are really only pertinent if you're considering replacing your telephone with VoIP. Also, check with your chosen VoIP service whether or not you can use your computer while you're talking; in most cases you should be able to.
Does my computer have to be turned on?
Only if your service requires you to make calls using your computer. However, ALL VoIP services require your broadband Internet connection to be active.
How do I know if I have a VoIP phone call?
If you have a special VoIP phone or a regular telephone connected to a VoIP adapter, the phone will ring like a traditional telephone. If your VoIP service requires you to make calls using your computer, the software supplied by your service provider will alert you when you have an incoming call.
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