what i need for Voip

You must have the Internet service and wide-ranging, for
Example service DSL or cable modem. According to the type of service
You are the joint, you might need a PC or modem
Or using a special VoIP phone or adapter to the phone or may not
You need to use special equipment.

To prepare a VoIP connection we need

1. Convert ADC to DAC
2. Now Tdgz packages must be on a good formula for transmission protocols, there are soldiers who can choose among them
3. Here should go into voice packets in data packets that use the system immediately (RTP over UDP over IP)
4. Hello, this all happens in real time because it can not wait that long to reach the sound.

Voice)) ADC - Compression Algorithm - Assembling RTP in TCP / IP
| <----
| ---->
Voice ((DAC - Decompress. Algorithm - Disass. RTP from TCP / IP

How Voip works

VoIP converts voice conversations into digital audio (ADC (analog to digital converter, and when you finish the transfer process the transfer of digital audio to a voice conversation (DAC (digital to analog converter of the VoIP works thus converts the sound to the numbers in the form of data packets, sends them and bring them back to the sound of the place to be met:

As the following mode of transmission of voice (Voice (source) - ADC ---- Internet --- DAC - Voice (dest)

The TCP / IP network creates IP packets contain the address of my head to control the call, VoIP uses to figure out a way in the network to reach the place you want to access it.

voip benefits

Benefits of Voip One of the benefits of free VoIP and instant messaging is that it is absolutely free to call anyone, anywhere, worldwide. Companies are that still offer free VoIP programmes like Skype and Ad Calls. These applications will allow you to call using free VoIP programming. Ad Calls will allow you to call a telephone for free. Calls are unlimited and you will be able to make free voip long distance calls in the long run.

VoIP does offer many advantages that aren't available with land line phones or with cellular. Some of these include the ability to talk with multiple people at once; many of the standard features bundled with normal telephone services come with VoIP packages, and the ability to speak unlimited (many services enable unlimited calling worldwide).

Nimbuzz free calls

Nimbuzz connects your phone to the people you want to reach over the mobile Internet. Not over expensive cell phone networks. All you need is a Wifi connection or an unlimited data plan from your mobile provider.Save your hard-earned money on calls to any land line and mobile phones.Nimbuzz combines the powers of the Internet and mobile communications into one, and lets you make calls, send messages and share files, on any mobile device, for free.

Make free calls using yahoo messenger

use Yahoo Messenger for making free PC to mobile phone calls.Select a friend in your contact list and click the Call button to get started. You and the friend you call both need Yahoo! Messenger, plus a microphone and speakers (or headset). If you own a laptop, you probably have these tools already built-in.
Inside your Yahoo messenger dial 18003733411 and press enter
then you will hear a voice message wait until the end of it
then dial any number you want with international format

Make free mobile calls with JAJAH Mobile Web

JAJAH Mobile Web, a service made especially for smartphones like the Blackberry, Treo, and Windows Mobile devices. Like Jajah's service that allows for the ability to make free local and international calls with a regular phone, Jajah's mobile service aims to do the same for mobile users. Any device that has internet access with a browser can make free or low-cost calls with a click. As long as you are a Jajah user, you can call other members for no cost, or call for a small fee to non-members. Web consumers can access the service directly from their browsers by visiting mobile.jajah.com. The Mobile Web service then ties into user's address books where calls can be placed. Simply enter the phone number of the individual or scroll down on your address book, and Jajah will make the call. Jajah has a Flickr photo tour so you can better understand the process involved. 

"Fring" For Free mobile calls

enjoy free mobile Group Video chat with any friend wherever they are! fring users can also make free 2-way video chat, voice only calls and text chat.

fring uses the mobile phone’s internet connection to create fun, video experiences for all major Smartphones & tablets (including iPhone/ iPod touch/iPad, Android and Nokia), on any mobile operator, and any mobile internet connection (3G/4G, Wi-Fi, GPRS, EDGE).

Tuitalk for free internet calls

Tuitalk

With Tuitalk, You can make free international calls to over 38 countries. During registration process, tuitalk tries to gather geographic and demographic profile along with your income/industry data which they would most likely to use for targetting ads as this service gets mainstream. 

using eva phone for making free internet calls

eva phone

EvaPhone provides Internet telephone calls for free. the site offers free VoIP call solutions: free VoIP service lets you make PC-to-phone free international calls. All you need is a computer to start making free VoIP calls using Internet to phone. Start enjoying the benefits of Internet telephony right now! Evaphone allows you to make free calls over the Internet for free or for a minimal fee. To make absolutely free calls to any landline or mobile phones the world over the Internet, just go to the Evaphone website and typing the number in international format.

Use free Buzzer To Make Free international Calls

free buzzer

Free Buzzer is a website that allows you to make international calls to anywhere through the world from their website. The website does not need any  registration, downloads, or a credit card number. Just simply type in the number of the person who you want to call and start instantly. There is no long waits for connection from this website. Free Buzzer will connect you free of charge and at a quick and efficient speed.

iCall for internet calls

icall

icall is a free software for making calls through internet.
icall can be installed at any computer at the world but there is a problem it's a free calls to the united states of america and Canada only but you can not make free calls to the other world and it installs at any operating system
 ( windows , mac , Linux,....etc)

Google Voive free calls

Google voice

Google made a service for making calls through internet connection and become one of the most successful service at this field .
Google Voice was formally known as GrandCentral.you can make Pc to phone calls or pc to pc calls .

using Globe 7 at VOIP

globe 7

Globe7 is a tiny application integrated with SoftPhone, IM, Videos, Games, News and many more opt-in widgets like Live TV, Live Radio, Astrology, Forex, Movies, Pets, Recipes, Sports for your complete entertainment, information and communication.Dream leads to Thought, Thought transforms into idea and idea shapes into vision. The vision that gets its wings starts its mission and takes high flight.

Using Viber at VOIP

VIber

Free international calls and text messages to other Viber
users using 3G or Wi-Fi.Uses your existing contact list - see which of your phone contacts are already on Viber and call them for free.
Viber is an application for iPhone®, Android™, Windows Phone and Blackberry phones that lets you make free phone calls to anyone that also has the application installed.

Using Skype at VOIP

The idea here is how to use Skype foe making free calls through ur computer
let's see the steps:

skype

Make free Skype-to-Skype video calls, and call phones at Skype rates on the move.

Make free voice and video calls to anyone else on Skype, whatever your phone whether they’re on an Android, iPhone, Mac or PC, as well as IMs to your friends and family.

A special event, that new outfit, some stunning scenery, you can make free video calls while gaming with your friends on Skype lets you share all this and more with your friends and family. You’ll never miss out on the moments that matter most.

Is Your PC Ready for VoIP

Information wiring is actually needed whatsoever areas exactly where VoIP phones is going to be positioned.

With regard to Organized VoIP support and also to provide outdoors phones on to the actual VoIP phone program, the web networks should be helpful. It will have a lot bandwidth to aid the sufficient quantity of emergency phone calls and also the information visitors also it mustn't regularly shed support.

How VoIP works, and how VoIP calls Flows data between networks

some type of PCs system features, producing this simpler for all of us to comprehend exactly how VoIP functions. VoIP appears with regard to (Voice more than Web Protocol) VoIP phone calls in order to really feel as well as seem various than the usual regular PSTN phone. The only real distinction is actually which VoIP phone calls tend to be sent more than pc information systems, as opposed to the open public changed phone system trade.

Voice over internet protocol relation with PCs and networks.

VoIP enables you to definitely repeal the actual current and start in order to find out regarding laptop or computer systems, you might have noticed associated with computer systems, systems, changes as well as cellular systems. Computer systems connect with one another through copper mineral cables, dietary fiber optic wires as well as cellular range surf.

Voice Over Internet Protocol (VOIP)

What is Voice Over Internet Protocol:

Voice Over Internet Protocol, it is phone service over the Internet.If you have a Speed or (Good) Internet connection you can get phone service( Free phone calls Through Your Computer) delivered through your Internet connection instead of from your local phone, Mobile Phones companies includes communication protocols, technologies and techniques of transmission used for multimedia sessions and voice communication via  Internet Protocol networks. Other terms used anonymously with ‘Voice over Internet Protocol ’ include broadband phone, voice over broadband and Internet telephony