Free international Calls - Vaani

Vaani lets you make cheap or free calls to any landline and mobile phones using internet anywhere in the world.
-- Accumulate Vaani Credits by viewing Ads and
make free calls to landline and mobile phones anywhere in the world.
— Make cheap long distance calls to mobile and landline phones.
--- Number to be dialed or contact in address book should
have country code prefixed before number.For e.g
44343545454 -
44 is country code of UK.
190478348374 -
1 is country code of USA.
919432843343 - 91 is Country Code of INDIA
Signup by specifying mobile number,password and email address.On successful signup, $0.10 free credit will be added in your account to test the services provided by Vaani. Once free credits are exhausted you can buy more credits using In-App purchases or earn Vaani credits by viewing Ads.
Vaani users are also eligible to get an Amazon Gift Card which is credited for every call made using Vaani Credit.Once certain balance is accumulated a user can claim Amazon Gift Card.
Vaani app provides easy user interface to navigate between various screens to make calls,buy more credits,check calling rates,check call reports etc.
While using Wifi please ensure that firewall is not blocking access of Vaani to its server for making calls and provide voice content.