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Subel. I
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Subelement I
Inmarsat Equip. & Comms:
Section 70
Iridium - Address and Dialing
70I1
How is a voice call to a shoreside destination typically dialed from an Iridium terminal handset?
A.
Dial * to gain access to the Iridium system then dial the country code, subscriber I.D. and then the # sign.
B.
Dial 00 for automatic dialing, then dial the country code and IMN, then the +sign
C.
Dial 00 for automatic dialing, dial the country code subscriber I.D and IMN and then the #sign
Correct Answer
D.
Dial 00 for automatic dialing, then the country code and subscriber I.D.
70I1
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70I2
What is an advantage of an Iridium terminal for making voice calls?
Correct Answer
A.
It can use
compatible
terrestrial cellular phone
networks
if available.
B.
Dual use technology permits Inmarsat satellites as well as Iridium satellites to be used.
C.
Dual use technology permits terrestrial cellular phone calls and Inmarsat calls.
D.
It can make calls only through the Iridium satellite system.
70I2
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70I3
How would a shoreside party dial an Iridium terminal on a ship?
A.
Dial the Inmarsat satellite gateway and then 881612345678.
Correct Answer
B.
Dial the national exit code and then 881612345678
C.
Dial the national exit code and then 870766891244#
D.
Dial the Iridium national access code and then 881612345678#
70I3
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70I4
What entry would you make on an Iridium terminal to make a telephone call to an Inmarsat terminal on another ship that is 300 miles west of San Francisco?
A.
00582430353680#
B.
00881612376935
Correct Answer
C.
00870765890074
D.
00582336850450+
70I4
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70I5
What entry would you make on an Iridium terminal to make a telephone call to another Iridium terminal?
A.
00870765439082
B.
00230882419#
Correct Answer
C.
00881648769345
D.
8821675902419
70I5
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70I6
What is an advantage of the Iridium system for placing ship-ship calls?
A.
Iridium terminals are compatible with the Inmarsat system for maximum flexibility.
B.
All ship-ship calls are passed through Iridium ground stations and then forwarded to the other ship.
C.
Ships-ship calls are routed through the satellites and passed through ground stations.
Correct Answer
D.
Iridium satellites can pass the calls
directly
to the other ship using
gateway
signaling
.
70I6
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