ozbeachbabe
Senior Member
- Joined
- Jan 10, 2009
- Posts
- 6,459
What's the difference between OSI and TCP?
An 'other service information' OSI is a way a travel agent or another airline can transmit certain information from a GDS or other airline res system to an airline which will enable the airline to view that information that they would otherwise not see.
A TCP means than there is a total complete party of pax travelling on a certain flight who have been booked in separate pnrs. If the TA sends an OSI with the TCP info it tells the airline that one person is travelling with the other eg if John & Mary Smith are travelling together on a UA flight, John's TA would send an OSI to the airline such as "TCP2 1SMITH/MARY MRS UA840 12JUN SYD/LAX". Mary's pnr would say "TCP@ 1SMITH/JOHN MR UA840 12JUN SYD/LAX".
Some examples of items can could be sent via to an airline via an OSI (besides the above TCP info) could be, ticket numbers, a child age, an after hours contact phone number for the pax.
Some less bright TA's have been known to send OSI's just saying "TCP2 GNM456" being their own GDS pnr eg Galileo which is pretty useless if the airline concerned is not a Galileo system user as they won't be able to retrieve the booking nor work out who is travelling with who.