Originally Posted by
Phileas
The wiki mentions that side trips can be added to the ticket. Do I simply need to book these side trips on any website, call the ticketing airline to ask them to add them to the ticket, or is there a more specific procedure to follow?
No, they must be booked at the same time as part of the same itinerary as the RTW journey.
A "side trip" is a specific way of combining two fares together on the same ticket, when the passenger interrupts the main fare at an intermediate point to go on a second trip, before returning to the intermediate point and resuming the main fare. The total 16 sector limit will still apply to the total journey. The cost calculation is the main fare + the side trip fare.
See
http://dls3.wspan.com/LearningCenter...t.htm#sidetrip for the industry meaning of a "side trip".
You cannot "add" two existing tickets together in the manner you suggest.