Which of the following is a correctly...

Question 1 of 292182Totz28UcMj52H9nenuO

Which of the following is a correctly formatted Inmarsat-C address book entry for sending communications to a fax machine on a vessel’s F77 terminal in the IOR?

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Question 1 of 29218

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Which of the following is a correctly formatted Inmarsat-C address book entry for sending communications to a fax machine on a vessel’s F77 terminal in the IOR?

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🔍 Key Concepts

• Inmarsat service codes for fax and telex on F77 terminals • The structure of an Inmarsat number: ocean region code + terminal/service identifiers • Which ocean region is IOR (Indian Ocean Region) and how it appears in the number

💭 Think About

• First, recall what digits at the start of an Inmarsat number indicate the ocean region, and which set corresponds to the Indian Ocean Region (IOR). • Next, think about how a fax number to an F77 terminal differs from a standard voice number: what extra digit(s) in the string indicate fax service? • Compare each option and decide which one has both the correct IOR code and the correct service identifier for a fax on F77.

✅ Before You Answer

• Verify that the number begins with the correct country code / Inmarsat code used for ship earth stations (SES). • Check that the ocean region code in the number matches IOR, not AOR-E, AOR-W, or POR. • Confirm that the number includes the correct service code for fax on an F77 terminal, not the code for voice or data.