Lowest cost calls from mobile phone to any mobile or land-line phone using voice-over-IP. Continue dialing as you dialed before and pay much less.How Does it work?1. Register to the service with no commitment at http://www.kallone.com. Choose an username and password. 2. Download the software application and install it.3. Define username and password in the application.4. Execute a trial call anywhere in the world.5. Buy a call package and start enjoying convenient low cost calls.