Yes! We recommend that you make a Test Call before making voice calls for the first time.

Here’s how to make the Test Call:

1. Open the "Messenger" menu in the main Yahoo! Messenger window, and click Preferences.
2. In the Preferences dialog box, click Calling & Devices.
3. In the Calling & Devices dialog box, click Test Call.
4. Follow the instructions to make a test call.