This Infographic Lists Cellphone Etiquette for 11 Countries
If you're traveling or making an international call, it's good to know cultural differences so you can be polite. This infographic from RepairLabs explains the common tendencies different cultures have using cell phones.
Not every country is covered, of course, but there is a good amount here. Each country has three major tips on how cell phone etiquette is handled, along with proper greetings and farewells. Now you can travel with the confidence in not being rude, or know exactly how to talk to that distant relative in France.