After you sign up, Starfone will assign you an unlisted U.S. number that you will
call (otherwise known as DID). Once you dial the DID number, let it ring once and
hang up. The DID number you called is then
transmitted into our Starfone system and triggered back to you with a dial tone.
Once you receive this Callback, you can make a call to anywhere in the world.
Starfone system is designed to function under the toughest mission-critical
standards, with 24/7 on-site monitoring, real-time diagnostics and reporting.