This number usually starts with “011”, the US exit code. In many countries the exit code is “00” or “001.” Find your country’s exit code at  http://www.howtocallabroad.com/codes.html The most common satellite phone companies are Iridium, Inmarsat and UPT. Each company has a three-digit code associated with it.  The prefix for an Iridium phone is 881. The prefix for an Inmarsat phone is usually 870. It can also be 871, 873 or 874. The prefix for the UPT phone is 878. The prefix for other networks are usually 882 and 883. The number may be listed with or without dashes. Complete your call and wait for it to go through.

How would you rephrase that briefly using Indonesian?
Carilah nomor yang terdiri dari 14 atau 15 angka yang menunjukkan nomor telepon satelit. Masukkan kode awalan (prefix) yang berhubungan dengan jenis telepon. Tekan nomor yang terdiri dari sembilan angka.