14. The MTS AS of claim 9 , wherein for obtaining information related to a language used by each SM server, the communication interface sends a request for the information related to the language used by each SM server, wherein the language used by each-SM server is a language associated with a group of users within the respective SM server, and wherein the communication interface receives back from each SM server the information related to the language associated with a group within the SM server.
14. The MTS AS of claim 9 , wherein for obtaining information related to a language used by each SM server, the communication interface sends a request for the information related to the language used by each SM server, wherein the language used by each-SM server is a language associated with a group of users within the respective SM server, and wherein the communication interface receives back from each SM server the information related to the language associated with a group within the SM server. 15. The MTS AS of claim 14 , wherein the information further comprises a language weight coefficient indicative of a frequency of the usage of the language in the SM server.