Patent ID: 6745041
Filing Date: 2004-06-01
Classification: H04W

Abstract:
A routing node for delivering short message service (SMS) messages between subscribers of different application-layer mobile communications protocols, the routing node comprising:(a) a routing element for receiving, from a short message service center (SMSC) of a first application-layer mobile communications protocol, a message requesting location information of a mobile subscriber of a second application-layer mobile communications protocol and for formulating a response to the message including an address of a node other than a mobile switching center, the address being stored in a destination ID field of the response message, the destination ID field being adapted to store an address of a destination MSC for reaching the mobile subscriber; and (b) a converter operatively associated with the routing element for receiving, from the SMSC of the first application-layer mobile communications protocol, a mobile-terminated SMS delivery message of the first application-layer communications protocol and being addressed to the address in the destination ID field of the response message, the converter being adapted to formulate a mobile-originated SMS delivery message of the second application-layer mobile communications protocol based on the mobile-terminated SMS delivery message of the first application-layer mobile communications protocol.