flashphone - free worldwide calls

Flashphone is a free-of-charge web-service which allows you to make calls from an internet page. You don't need to install anything. All that is necessary for calls - the headset and an internet connection.
The mobile version - Flashphone mobile - allows you to make free calls from PDAs or communicators.

Gizmo Call - Free calls from your web browser

With Gizmo Call you can make free calls from your web browser to mobile phones, landlines and PCs around the world.
The call length is limited to up to 10 minutes per day (up to 30 minutes per week) to most landlines & select mobile phones around the world