Whistle phone is a FREE calling nationwide phone service. It is great for several reasons. First off, it allows you to choose your own phone number. Second, you can send and receive calls as long as you have internet access. Third, you have a different number to give all those loving Christian telemarketers when you go to YS or SYM conferences. Fourth, it has 2 lines and can support conference calls. And yes, it is free.

Every new account gets 20 trial minutes of calling to and from mobiles and landlines in the US. Also, make free calling, unlimited length calls to any other Whistle user, wherever they are on the globe.

Call forwarding ties your Whistle Phone® number to your existing mobile, office or home phone. Automatically calls this numbers when you don’t pick up Whistle Phone®.

To make a calling follow these steps:

1. Download Whistle 
2. Run Whistle installer
3. Open Whistle
4. Select “Create Account” from setup wizard
5. Fill out the Create Whistle Account form and then click “Sign Up” button
6. An activation email will be sent to your account email
7. Click the activation link in the email to activate your Whistle account
8. Start enjoying your Whistle Service

Download free calling app for iPhone, Windows, MAC here!