The Iridium satellite network is the only satellite phone network that covers the whole globe. It is a system of 66 Low Earth Orbit (LEO) satellites which give actual pole to pole coverage.
Iridium has been experiencing continual growth in the number of it's subscribers for the last few years. This growth has sped up since March 2007. On the 15th of November Iridium announced its 2007 third quarter results.