Voip Technology » Voice Signal

Make Long Distance Calls at Local Rates With VoIP

admin — Tue, 05 Jan 2010 08:35:19 +0000

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?

admin — Mon, 04 Jan 2010 11:37:02 +0000

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

admin — Fri, 25 Dec 2009 06:36:27 +0000

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.

Bits of Technology – Voip at your Service

admin — Sun, 13 Dec 2009 07:35:36 +0000

In the dazzling era of modern technology, the telecommunications sector is at the top of the list. More and more users want to benefit from sophisticated media services and that is why VoIP (Voice over Internet Protocol) has become one of the latest requests on the market.
The main feature of VoIP is that it combines both voice and data communication on a single network. Using this technology, voice and fax traffic are carried over an IP network with the help of common Internet equipment.
VoIP is a technology that allows users to make telephone calls over the Internet offering a multitude of advantages. The greatest feature is the ability to make local and more important global distance calls at a significant lower price than over a plain telephone.
VoIP came out originally as a technology that provides voice communication between computer users in different locations. It was new, daring and attractive. But it didn’t stop at computers. As the industry of telecommunications developed, people started to use VoIP first in PC-to-phone connections and then, after a brief period of time, for phone-to-phone connections.
But how does VoIP work? It requires from both users (sender and receiver) a broadband connection meaning a high-speed Internet connection (cable/DSL modem). Broadband modems were initially used for connecting PCs to the Internet, but, after VoIP started to kick in, telephones were connected directly through these modems making possible the functionality of this new technology.
A VoIP call starts with the user’s voice (analog) being sent from the regular phone to a device called Analog Telephone Adapter (ATA). This device converts the analog voice into digital samples with the help of a converter. The digital samples must be compressed into a standard format in order to be carried faster and more efficient. This process is done by digital signal processors which use codecs in order to shred the segment voice signal into frames. The compressed data must be put in IP packets. VoIP protocols use Real-Time Transport Protocol. Packets are transmitted over the Internet with a voice communication protocol such as SIP (Session Initiation Protocol). The CO (Central Office) is the final step where the decision to where the call must be sent is taken.
SIP is a protocol, more exact – a signaling protocol, and it is one of the main branches of the telecommunication industry. It is a request/response protocol for starting communications between two users and it has several features: the medium (text, voice), the transport (RTP) and the encoding (codec). Other related functions of SIP are the abilities to indicate call ending and instant messaging.
SIP has many advantages among which ‘tech geeks’ include: stability, speed, flexibility, security (encryption), authetification. The first line of a SIP message contains the type of message and the version of SIP chosen. In requests, this line has an address (SIP URL) which represents the destination of the message.
SIP is frequently used in the VoIP technology but also in videoconferencing, answering machines, networked games, cell phone games and mobile e-bussiness applications. Also, it is already common knowledge that Java offers excelent support for SIP.
A simple tool, SIP is chosen by many providers in order to build converged voice and offer multimedia services. Still, we have to bear in mind that SIP does not do conference control. It isn’t a resource reservation protocol and it can never be linked with the quality of service.
VoIP and SIP are part of a new technology which allows phone-to-phone connections with the help of the Internet. While VoIP is already used by a lot of big companies in order to cut down on their expenses on business communications which include fax, conference calling and streaming video applications, SIP is just the protocol used for establishing sessions for an IP network.
SIP responds to the need for a catalytic protocol in the management of a VoIP call. SIP includes finding potential call participants and contacting them no matter where they are on the Globe or if they change their location. So, if you want to make a phone-to-phone conversation using the Internet, VoIP is just the thing for you. It has incredible extra features such as: video, conference, data exchange and, most importantly, it is cheap. Do not hesitate to choose this technology because it is a good option!

Exclusive VOIP Cell Phones Emerging

admin — Fri, 11 Dec 2009 21:02:37 +0000

VoIP or Voice over Internet Protocol technology is making wireless and mobile services more affordable because it uses IP networks, like the Internet, rather than public switched telephone networks, to deliver voice communications and other messaging applications. VoIP converts analog voice signals to digital and translates the signal into Internet Protocol. On the receiving end, the process is reversed. Moving to the next phase in cost effective VOIP cell phone calling plans – Unlike traditional copper wire phone systems that use an analog voice signal, Internet Protocol (IP) converts analog to a clearer, faster, digital format. Digital provides better quality and service and, because its signal can be compressed, it can perform a great many more communication functions. Because voice over IP uses one infrastructure for both voice and data, it can provide better and more enhanced service at a lower cost. A main reason why costs are cheaper is because Internet access is billed per megabyte rather than per minute or per second like regular phone calls. The other great benefit of VOIP cell phone technology is the greatly reduced call package pricing and the fact that roaming charges are obsolete. Telephones that use IP technology are much more economical, with the best deals providing unlimited inbound and outbound telephone calls to anywhere in the world for one low, monthly price that is all inclusive. This technology also offers many more capabilities than phones using a public switched telephone network. Among them are broadband Internet access, email, texting, video conferencing and faxing. You can even watch TV on your phone. All the benefits of traditional phone service is available with voice over IP, including call forwarding, call waiting, caller ID, automatic redial, IVR, call blocking, speed dialing and conference calling. Not to mention, the new VOIP enabled cell phone services have a boat load of new features that leverage the Internet pipeline in new and exciting ways. For example, voicemail is improved because it can be accessed from your phone, email, or Web browser; calls that route though VOIP cell phone technology and be channeled to many different numbers at the same time. A person can actually have a 6 way video conference on some of the new VOIP enabled cell phones coming into the market; telephone conversations can be recorded so you can save important information; and call broadcasting can send information to 30 people at one time. Voice over IP is available on landline and mobile phones. Any type of calling can be done, including local, long distance, roaming, international and mobile. VoIP continues to grow in popularity because of the wide range of services it can provide. It’s fast, efficient and reliable. VoIP also taps into wireless technology to provide even greater mobility. With voice over IP, better capabilities are realized. For instance, the technology can transmit numerous telephone calls over the same broadband connection, so it’s less costly to add additional phone lines to a home or business. In addition, obtaining a secure telephone connection is part of VoIP standard protocols. The VOIP technology also makes it easy to port phone numbers from one carrier to another. Since IP protocol services both a standard telephone line and a broadband connection, savings can be realized because you are receiving both capabilities in one price, rather than paying separately for them. Using this enhanced VOIP cell phone technology, there’s no longer any need to pay separately for phone service and Web access no to pay for roaming charges or long term contracts that charge you an arm and a leg to make international mobile phone calls.