Method and message server for conveying messages in a telecommunications network

The method, message server and the telecommunications network allow to convey messages, particularly short messages, originating in a mobile telecommunications network such as the GSM system and terminating at a recipient application or a related service in an IP network not using the standards of said mobile telecommunications network. The inventive telecommunications network comprises a message server (WAMS) through which messages arriving at a first service centre (SC2) can be routed to a second service centre (SC1) which is connected to the recipient application or the related service. According to the inventive method a virtual mobile station number is established as the address for the recipient application, to which the entire community of short message mobile stations MS can originate messages as it would originate them towards a real mobile station MS.