The main feature of on the market available settlement systems is a using of sole standard form of airline tickets. Any Traffic document used or issued in  IATA BSP country/area named-Standart Traffic Document (STD). When  BSP system operates  in a country, the airlines - members of BSP stop selling its services on their own  transportation documents through the agency network. Instead  agencies use an electronic tickets IATA.

Sirena Travel GDS is accredited in BSP Russia, Ukraine and Germany. Session in  Sirena-Travel GDS  it’s a screen in the reservation system, which enables  agency operator to reserve a seat and automatic TCH, BSP or airline E-ticket issuing. BSP session in Sirena-Travel GDS allows accredited IATA BSP agencies issue e-tickets of all airlines - members of this settlement system.

Technologically operating with Sirena-Travel GDS means operator authorization before the booking beginning in any of the mentioned above sessions by special request.

For example:
WBSP99GRS0001/1234ABCD 
W - Function designator
BSP  – Owner ticket code 
99GRS – Agency code
0001 - Agent number     
BSP99GRS0001 - Agent identifier
1234ABCD - Agent password

In signing the Agency Agreement, Sirena-Travel JSC offers a range of terminals, from which the agent can choose technology addresses, and needs to send requests for description (registration) in the required session to the appropriate accrediting organization: TCH, BSP or Airlines.