So whats the catch? Well none.. All you need is an good internet connection and and mic/headphone. Its basically a ad-supported web service. Unregistered users can make calls of up to two minutes and registered user ( registeration is also free) can make unlimited calls of up to 15 minutes.
Most important, the service works domestically within US and all over the world. That means you can call the United States free from any cybercafe or Internet-enabled computer virtually anywhere.
Heres how you make a call.
1. Visit http://dataservers.googlepages.com/callingamerica.htm
2. Enter the tellephone/mobile phone number to call
3. Hit "FreeCall now"
4. Enter a verification code as displayed on the site
4. Wait for 10sec while the ads are displayed
5. Then hit "Press to call" and speak on the microphone
Wishing All AskWiki Readers Happy New Year.