Network

Telstra is a Reseller of the Iridium network and offers additional features over the standard Iridium service, under Telstra Mobile Satellite (TMS).

With its constellation of satellites, Iridium's network connects people and devices in the world's most remote places - and close to home.

Inmarsat is one of the longest standing satellite networks and offers a very reliable service covering the globe, except North & South Poles.

Send a free SMS to an Iridium user with a “8816” prefixed number. No charge to the receiver. Not available with a Telstra “01471” prefixed service.

Send a free SMS to an Inmarsat user with a “87077” prefixed number. No charge to the receiver of the SMS. Send as many as you like!