These are the 4 types of sales indicator in travelling industry (specifically internal codes, related to flight tickets):
|1||SITI||Sold Inside Ticketed Inside|
|2||SITO||Sold Inside Ticketed Outside|
|3||SOTI||Sold Outside Ticketed Inside|
|4||SOTO||Sold Outside Ticketed Outside|
SITI-the most common
Sold In, Ticketed In [the country of origin]
You buy your ticket at DTW to fly from DTW to TYO.
Sold In, Ticketed Out [of the country of origin]
Kind of rare.
Sold Out, Ticketed Inside
i.e. a ticket paid for in LAX for a customer in HKG that is issued when the customer checks in at HKG, or picks up the ticket there.
Sold Out, Ticketed Out Inside- i.e., a ticket you buy in your country and mail to someone in another country, or an E-Ticket you purchase for someone in another country.