INT1

USA, GERMANY, AUSTRIA, BELGIUM, CZECH REPUBLIC, DENMARK, FRANCE, CYPRUS, NETHERLANDS, UK (excluding numbers starting with 4456), IRELAND, SPAIN (excluding numbers starting with 34902 / 3490240), ISRAEL, SWEDEN, SWITZERLAND, ITALY, CANADA, NORWAY, PORTUGAL, PUERTO RICO, RUSSIA (excluding numbers starting with 7954), SLOVAKIA, U.S. VIRGIN ISLANDS, GREECE

INT2

ALBANIA, AZERBAIJAN, BOSNIA, BULGARIA, FINLAND, GEORGIA, MONTENEGRO, KAZAKHSTAN, LUXEMBOURG, HUNGARY, MACEDONIA, UZBEKISTAN, POLAND, ROMANIA (excluding numbers starting with 4033), SERBIA, SERBIA-MONTENEGRO, SAUDI ARABIA, TURKMENISTAN, UKRAINE

INT3

ANDORRA, UAE, BAHRAIN, BELARUS, GIBRALTAR, CHINA, EAST TIMOR, INDONESIA, ESTONIA, MOROCCO, PHILIPPINES, PALESTINE, SOUTH AFRICA, SOUTH KOREA, INDIA, CROATIA, HONG KONG, IRAN, ICELAND, JAPAN, QATAR, KYRGYZSTAN, KUWAIT, LIBYA, LIECHTENSTEIN, LITHUANIA (excluding numbers starting with 3707, 3708, 3709), LEBANON, MALAYSIA, MALTA, EGYPT, MONACO, NIGERIA, PAKISTAN, SAN MARINO, SINGAPORE, SLOVENIA, SRI LANKA, SYRIA, TAJIKISTAN (excluding numbers starting with 992372), THAILAND, TAIWAN, OMAN, JORDAN

INT4

AEROMOBILE, AFGHANISTAN, AMERICAN SAMOA, ANGOLA, ANGUILLA, ANTIGUA, ANTIGUA AND BARBUDA, ARGENTINA, ARUBA, ASCENSION, AUSTRALIA, BAHAMAS, BANGLADESH, BARBADOS, WEST SAMOA, BELIZE, BENIN, BERMUDA, BHUTAN, BOLIVIA, BOTSWANA, BRAZIL, BRITISH VIRGIN ISLANDS, BURUNDI, BRUNEI, BURKINA FASO, MYANMAR, BURUNDI, BHUTAN, CANADA, ALGERIA, DJIBOUTI, COOK ISLANDS, DIEGO GARCIA, DOMINICA, DOMINICAN REPUBLIC, ECUADOR, EQUATORIAL GUINEA, EQUATORIAL GUINEA, EL SALVADOR, ERITREA, ARMENIA, ETHIOPIA, FALKLAND ISLANDS, FAROE ISLANDS, FIJI, IVORY COAST, FRENCH GUIANA, FRENCH POLYNESIA, GABON, GAMBIA, GHANA, GUINEA, GUINEA-BISSAU, GLOBALSTAR, GRENADA, GREENLAND, GUADELOUPE, GUAM, GUATEMALA, GUERNSEY, GUYANA, HAITI, NETHERLANDS ANTILLES, HONDURAS, UK (4456), INMARSAT AEI, INMARSAT AWP, INMARSAT B, INMARSAT M, INMARSAT MM, IRAQ, IRIDIUM, SPAIN (34902 / 3490240), JAMAICA, CAMBODIA, CAMEROON, CAPE VERDE, CAYMAN ISLANDS, KENYA, KIRIBATI, COLOMBIA, COMOROS, CONGO, DEMOCRATIC REPUBLIC OF THE CONGO, COSTA RICA, CUBA, NORTH KOREA, LAOS, LESOTHO, LATVIA, LIBERIA, LITHUANIA (3707, 3708, 3709), MADAGASCAR, MACAU, MALAWI, MALDIVES, MALI, MARIANA ISLANDS, MARSHALL ISLANDS, MARTINIQUE, MAYOTTE ISLAND, MCP, MEXICO, CENTRAL AFRICAN REPUBLIC, MICRONESIA, MONGOLIA, MOLDOVA, MONTSERRAT, MAURITIUS ISLANDS, MAURITANIA, MOZAMBIQUE, NAKHODKA, NAMIBIA, NAURU ISLAND, NEPAL, NIGER, NICARAGUA, NIUE ISLANDS, NORFOLK ISLANDS, ONAIR, PALAU, PANAMA, PAPUA NEW GUINEA, PARAGUAY, PERU, PORTUGAL, REUNION, REUNION, ROMANIA (4033), RWANDA, RUSSIA (7954), SAKHALIN, SAN MARINO, SAO TOME & PRINCIPE, SENEGAL, SEYCHELLES, SIERRA LEONE, CHILE, SOLOMON ISLANDS, SOMALIA, ST. HELENA, ST. KITTS, ST. LUCIA, ST. MARTEN, ST. PIERRE & MIQUELON, ST. VINCENT, SUDAN, SURINAME, SWAZILAND, TAJIKISTAN (992372), TANZANIA, THURAYA, TOGO, TOKELAU, TONGA, TRINIDAD AND TOBAGO, TUNISIA, TURKS AND CAICOS, TUVALU, UGANDA, URUGUAY, WALLIS AND FUTUNA ISLANDS, VENEZUELA, VIETNAM, YEMEN, YEMEN DEMOCRATIC REPUBLIC, NEW HEBRIDES, NEW CALEDONIA, NEW ZEALAND, ZAMBIA, ZANZIBAR, ZIMBABWE