Posts Tagged ‘Voice Signal’

Make Long Distance Calls at Local Rates With VoIP

January 5th, 2010

VoIP or Voice over Internet Protocol is the most cost-effective means of telecommunication. It allows you to use your computer and the Internet to communicate with anybody. The only cost involved in it is the broadband or dial up connection. This method is known as Residential VOIP, just opposite to a VOIP Business Phone System.

As a rule, to use your VoIP system effectively, you should be sitting in front of your computer. This is because the voice of the person you are speaking to will come through the speakers of your computer. Likewise, you will need to speak into a microphone attached to your computer. Like using a headset for conventional telephones, having a headset for your VoIP system is also possible and it is just as convenient.

A VOIP headset is comfortable to use and it fits on the head in the same way as a headset for any landline. It comes with an ear piece and a small microphone that fits close to the mouth. Therefore, one can hear the voice of the person via the ear piece as well as talk into the microphone of the headset.

What residential VoIP means is that you can download the technology onto your computer. Then you can communicate with your family and friends the exact manner you would do on the telephone. But this time you are using your computer as a telephone instead of the telephone set. Your family and friends with whom you want to talk also need to have the technology on their computers.

It is very easy to download and use this technology. Once the technology is installed, you can make and receive calls as you can do with your fixed phone. You can replace the analogue phone line and use broadband phone as your primary phone. The voice signal transmitted over the internet using VoIP technology is considered as data service. That is why, VoIP phone service is free from long distance fees paid by local phone companies.

How Does VoIP Service Work?

January 4th, 2010

VoIP technology is a one way of sending a voice signal also known as an analog signal in a medium which is digital, i. e, the internet. In practice, the process works like this when you have a standard analog telephone attached to your high speed internet connection with VoIP service. There will be an analog telephone adapter or ATA between the phone and the computer. In order to place what would normally be a long distance call to a person who doesn’t have VoIP service you key in the number you want. The analog telephone adapter converts the touch tones into a digital format. The digital phone number is sent by the analog telephone adapter to the VoIP routing system at the service provider’s location. The VoIP service provider is located on the internet as well. The VoIP service provider’s routing system identifies the recipient’s location and sends the call to the Public Switched Telephone Network (PTSN) at that location. The phone rings at the other end and the conversation can begin. Each time you speak, the analog to digital converter in the analog telephone adapter changes the voice tones into packets of digital information that can be transmitted across the internet. When the VoIP service meshes with the Public Switched Telephone Network at the recipient’s end, the digital packets which are the voice tones from you get turned back into an analog signal so that you recipient of your call can understand what you are saying. The reverse process, i. e. the transmission of what the other person says to you is a mirror image of the first process. Their voice is transformed from analog to digital when it gets to the PSTN/internet connection. The digital packets are sent to the analog telephone adapter at your location where they are converted back into an audible or analog signal to be able to perceive the voice as that of your caller. The technology to do the conversion from analog to digital and back again has been around as long as digital electronics. For example, your PC sound card converts digital CD information to analog signal needed by the speakers on your computer. The difficult part of the VoIP technology is the necessity to smoothly transmit the digital data over the internet and reassemble it in a continuous stream. This is know as the protocol. When listening to voice transmission, there can be no gaps in the stream of digital packets or the voices will not be understandable. This part of the technology has only recently been available, but is actually equal or better in quality than you get with standard telephone networks. The equipment available today that uses VoIP technology can be an analog telephone adapter for your head set through the computer. There are a few VoIP phones that act like a regular analog telephone but have the ATA incorporated into the phone. It’s actually a small dedicated personal computer in your telephone. These VoIP phones can be plugged into the computer with high speed internet connection or into the router.

VOIP Considerations

December 25th, 2009

Voice Over Internet Protocol (VOIP) is changing the way that we look at phone service. The relatively new technology is quickly becoming the norm in many homes across the world. But a variety of VOIP considerations should be explored before you take advantage of the technology. It allows a caller to make long distance calls without having to pay much, or anything for them. Combine the VOIP technology with a broadband, or high speed, internet access line, and VOIP provides an easy, inexpensive way to make phone calls all over the world. However, there are still some disadvantages of VOIP – especially when it comes to using the technology for functions beyond the one caller to one caller scenario. VOIP considerations for you to examine start with understanding how the technology works in comparison with traditional phone service. With traditional phone service, your long distance phone calls are routed from your local provider’s network to your chosen long distance provider’s network, where it is routed to the receiving party’s local phone provider’s network and finally, to their home phone line. Since multiple providers are involved, multiple providers charged a fee for the call, which the long distance provider passed on to you in the form of an often hefty per-minute charge. But VOIP has changed all of that. It removes the long distance company from the equation, making a long distance phone call virtually the same as a local phone call. How? By using the internet as the routing method that passes the call from your local phone provider to your receiving party’s local phone provider. You initiate the call, and your analog voice signal is translated into a digital signal. That signal is then sent via your internet service to the internet, where it is routed to the receiving party’s local phone provider’s network, translated back into an analog signal and sent to the receiving party’s phone. The disadvantages of VOIP should be part of what you understand regarding VOIP considerations, but they are relatively limited for the average consumer. The main complaints regarding VOIP have to do with providing the level of quality of service that customers are accustomed to with regular telephone technology. The reason for this is multifold. VOIP requires a large amount of data to be compressed and transmitted, then uncompressed and delivered, all in a relatively small amount of time. Problems develop in VOIP conversations when this process takes too long and the callers experience one of two problems; echo or over-talk For businesses, VOIP considerations have more to do with how to manage the traffic over their network. Since they may be using their bandwidth for internet and even voice conferencing, they will need to analyze the amount of bandwidth that is necessary to handle all of their activities. But for the average consumer, the greatest advantage of VOIP is the cost – or rather, the lack of cost. If you have a computer with a sound card, modem, speakers, a microphone and a (preferably) high speed connection, and you download software from companies such as http://skype. com, you can be making free long distance and international phone calls using VOIP in as little as 5 minutes.

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