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WorldPhone – Chapter 5. Appendices
H-3
Appendix H – System description cont’d
System description cont’d
General
The WorldPhone terminal provides direct telephony, telefax, NIMS
and data connection to international public networks via the
Inmarsat 3 Spot Beam satellite system.
The WorldPhone terminal consists of:
•
Telephone Unit (TPU).
•
Universal AC adapter (WorldPhone Portable only).
•
Antenna Unit (AU) including RF transceiver.
•
Power Supply (WorldPhone Marine and Voyager only).
The operating functions are conducted on the telephone panel.
Only a single coax cable links the Telephone Unit and the Antenna.
Net service provider
The Net service provider issues your user licence and an IMN
(Inmarsat Mobile Number) phone number. It is also responsible for
the billing of calls (charges).
To make an outgoing call, you use a standard international telephone
number with the 00 prefix. The WorldPhone terminal receives incom-
ing calls via the IMN phone number.
Path established by
the WorldPhone
terminal via satellite.
Additional equipment
Telefax
PC
Telephone
Telefax
Public
Telephone
Network
PC/modem
WorldPhone
Portable
Figure 3 Communication path.