International SIM cards permit you to roam across a lot of different nations, on various networks, with a single Sim-card without the nasty bite of worldwide roaming charges. A worldwide roaming sim card is the ideal solution for a worldwide traveler. International roaming SIM cards supply the very same phone number so that your family and friends will just know a single number to call you wherever you travel. Telstra global roaming SIM card is affordable and flexible enough to earn a great solution for everyone traveling to Europe.