Patent ID: 7257122

Claim:
A method for establishing a data connection between a mobile communications system comprising several terminals and another telecommunications system supporting several protocols, the method comprising: (i) receiving messages from a terminal, converting them into a format compatible with at least one of the protocols of the other telecommunications system, and transmitting them to the other telecommunications system; and (ii) receiving information from the direction of the other telecommunications system and converting it into a format compatible with at least one protocol of the mobile communications system, and transmitting it to the mobile communications system; wherein the terminals of the mobile communications system are classified into at least two different classes on the basis of at least one predetermined criterion, wherein the at least one predetermined criterion includes a criterion determined on the basis of the content of a message from a respective terminal among the terminals, and the protocol to be used towards the terminal is selected on the basis of the class of the terminal in question, wherein said at least one predetermined criterion includes the terminal's ability to support the HTTP protocol; and information from the direction of the other telecommunications system is transmitted using the HTTP protocol to the terminals supporting it, and as a short message to other terminals.