What is essential to include when composing a fax message for Inmarsat-C?

When composing a fax message for Inmarsat-C, it is essential to include the fax number formatted correctly as per guidelines because this ensures that the transmission reaches the intended recipient. The Inmarsat-C system has specific formatting requirements that must be adhered to for successful communication. Correctly formatted fax numbers help prevent delays or errors in transmitting the message, as the system relies on accurate input data to route the communication appropriately.

While details such as the sender's name and fax number, the recipient's email address, and a cover page detailing the transmission purpose can be helpful for clarity and context, the most critical component is the accurate formatting of the fax number itself. If the fax number is not formatted correctly, the entire transmission can fail, rendering all other information moot. Thus, prioritizing the correct fax number formatting directly impacts the effectiveness of the communication through the Inmarsat-C system.