A3LA-R-MIL-MOD User Guide Version B
Document Number: 451-93156-001A
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Figure 19: Iridium Dial-up Data Service
G.3 D
IRECT
I
NTERNET
C
ONNECTION
The Iridium direct internet service allows users to connect to the internet via the Iridium
gateway without having to sign up with an internet service provider. This service utilizes a
dedicated Apollo Server at the Iridium gateway, which provides high-speed connectivity to the
internet and optimizes server-to-Iridium modem communications. The dial-up networking
setup is similar to the dial-up networking setup for a landline telephone. The only difference is
that the dialed telephone number is an international number provided by Iridium. Figure 19
illustrates how an Iridium internet call is routed.
Direct Internet service can be enhanced using Windows-based emulated Point-to-Point
Protocol (PPP) called the Apollo Emulator. With the use of the Apollo Emulator software instead
of Microsoft Windows® dial-up networking, direct internet service can reduce connection time
and improve data throughput. In addition, the Apollo Emulator offers a feature called Smart
Connect™, which manages airtime by seamlessly connecting and disconnecting a user through
the Iridium system. Airtime charges accumulate only while the call is connected. Improved