Free Calls to USA | WhichVoIP

Communication is perhaps the most important aspect which defines a human being, and interaction with others is an imperative. The advent of telephone communication made this a living reality, as people from different corners of the globe talked to each other and distance became irrelevant. The development of the Internet and subsequently, VoIP technology has added another dimension to the way people talk to each other everywhere. Making free calls has become the norm, as there are services today with nominal or no charges at all for international calls to most countries. This has enabled people from all over the world to make free calls to the USA.

VoIP technology variations

The technology that is referred to as Voice over Internet Protocol (VoIP) allows a person to make calls over the Internet, with the aid of a computer network. The voice signal is converted into a digital signal that moves over the Internet and then becomes a voice signal again at the receiver’s end.

Computer to computer

The simplest way to use VoIP technology is to enjoy free calls to the USA is directly through the computer with the call being answered at the other end, also on a computer. In this manner, there are absolutely no charges for any long-distance call, thus enabling limitless free calls to the USA. Besides the software, one needs a microphone and speakers or a headset, a sound card and a broadband Internet connection which should preferably be the faster option through cable or a DSL modem. Apart from the monthly payment to the Internet service provider and a possible sign-up fee to the VoIP provider, there are no other expenses.

USB phones

From this kind of Internet telephony directly through the computer, the next step was the USB Internet phones, which were, in the initial stages little more than a microphone/headset wrapped in a phone case. Despite not having any advanced features, these phones did provide a better calling experience. The USB Internet phone had good voice performance and came in a package which included an integrated speaker, microphone and keypad, together with the USB port.

Phone to phone

This is the most prevalent mode of using VoIP technology today. The analog telephone adaptor (ATA) connects the standard telephone to the computer or directly to the broadband modem and this enables a person to make calls through the Internet. The ATA functions as a converter, taking the analog signals of the regular instrument and changing them into digital data for transmission over the Internet.

IP phones

Resembling traditional landline phones and costing about the same, IP phones come with a handset, cradle and dialing buttons. These phones work through an Ethernet connector and have all the necessary software and hardware to make a VoIP call.  Extremely convenient for making free calls to the USA, you can use it wirelessly in any location equipped with Wi-Fi facility; or through a traditional wired connection.

How it works

All communication services that are transmitted over the Internet are called Internet telephony. This kind of service operates through the Voice over Internet Protocol (VoIP), which enables people to call and talk over the broadband service, cable or Digital Subscriber Line (DSL). Normal landline telephones function through the Public Switched Telephone Network (PSTN), which provides for a connection with the use of phone jacks. This has been the system of communications for a long time and local telephone companies provide this landline service.

In VoIP technology, the user makes calls through the computer network over the Internet. The voice signal is converted into a digital signal that moves over the Internet network and then becomes a voice signal again at the receiver’s end. Anyone with a normal telephone number is therefore able to receive and listen to the call. All that is needed is a broadband connection, a microphone with speakers attached to the computer or an Internet phone connected directly to a telephone adaptor.

The adaptor is plugged into the broadband modem and this converts the electrical phone pulses into Internet Protocol (IP) packets which are sent over the Internet. This connects the caller to the called party, thereby enabling the telephone conversation. Making free calls to the USA has never been simpler or easier.

VoIP Service Providers

Certainly, the most well-known and popular service provider for free Internet calls all around the world is the entity called Skype Limited. An easy quick download from the Skype website and a user ID will enable you make free calls to the USA. You can add your contacts and there is also an instant messaging facility. You can call anyone (they must be registered on skype.com as well) through your computer or laptop and all you need is a microphone with speakers or a pair of headphones. Yahoo Messenger, the messaging service of Yahoo.com also enables free computer-to-computer calls for its registered users. The recipient of the call must also be registered on Yahoo Messenger. Voice quality though not fantastic, is reasonably good and of course the service comes totally free.

FreeDigits is another free VoIP call provider offering this facility to residential users, without any ceiling. Just signing up online would enable you to choose a suitable service and then download the software. You can start using the service immediately, by using a unique US number which will be given to you on registration. Calls can be made all over the world, including free calls to the USA. Aptela is another company which offers free VoIP calls. ACN is also one such VoIP service provider, which permits its registered customers to make unlimited free calls to the USA and Canada and Puerto Rico.

Future of VoIP technology

A revolutionary technology which has totally transformed the way we call and connect with each other, VoIP is poised to become the service of the future. The increase in VoIP service providers in the USA and other countries only point to this potential and the growing popularity of Internet telephony. The ability to call anyone across the world free of charge has been the spur to this growth, as people were looking for alternatives to the traditional telephone network. In fact, in the USA, major telephone companies are exploring the possibility of launching VoIP packages in lieu of the PSTN network.

Now that WhichVoIP.com has given you an insight into this technology you hopefully can now see why VoIP is the most economical and smart method of making phone calls.

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For the techies: Check out our Advanced VoIP Guide for an in-depth explanation.

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