Messaging system
Sirena-Travel CJSC a Russia's leading distribution system and technology provider in the air travel and tourism industry offers to Airlines a service of SMS – notifications to passengers phone number, booked their flights through Sirena-Travel GDS.
Passenger information system was established  to the Order of the Ministry of Transport of Russian Federation from 28.06.2007. № 82 "The Federal Aviation Regulations: General conditions for air carries of passengers, baggage, cargo and maintenance requirements of passengers, shippers, consignees".

The SMS sending is performed in case of change: date, time,  airport of departure, service class, flight substitution or flight cancellation.  Interactive communication of the systems - participants of the process, provides passengers with updating information.

For passengers booked their flight in Sirena-Travel GDS the service of receiving of SMS-messages free of charge. SMS sending is performed automaticall in case of changes in the order status.
The airlines provides to the service users the ability to manage the SMS sending.