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US006959194B2
(12) United States Patent ao) Patent No.: us 6,959,194 B2
Brouwer et al. (45) Date of Patent: Oct. 25,2005
(54) SMS-MESSAGING
(75) Inventors: Sander Martijn Brouwer, Gorinchem (NL); William Herschel Dudley,
Addison, TX (US)
(73) Assignee: CMG International B.V., Nieuwegein (NL)
( * ) Notice: Subject to any disclaimer, the term ol this patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days.
(21) Appl. No.: 10/235,611
(22) Filed: Sep. 4, 2002
(65) Prior Publication Data
US 2004/0043777 Al Mar. 4, 2004
(51) Int. C I. H04Q 7 20
(52) U.S. CI 455/466; 455/412.1; 455/445;
370/351; 370/328
(58) Field of Search 455/466, 412,
455/412.1, 414, 422, 428-459, 550, 575, 403, 414.1, 412.2, 422.1, 575.1, 550.1; 370/351, 328, 331, 405, 401, 337, 347, 349, 410, 310, 352, 230, 356, 464, 387, 385, 338, 329, 465; 379/114, 219, 465
6,085,100 A * 7/2000 Tarnanen 455/466
6,108,559 A * 8/2000 Astrom et al 455/466
6,292,669 Bl * 9/2001 Meuronen et al 455/466
6,507,589 Bl * 1/2003 Ramasubramani et al. . 370/465
2002/0110112 Al * 8/2002 Tuomi 370/352
2002/0167943 Al * 11/2002 Hakim et al 370/356
* cited by examiner
Primary Examiner—Edward F. Urban
Assistant Examiner—Charles Chow
(74) Attorney, Agent, or Firm—Michaelson & Associates; Peter L. Michaelson; Janet M. Skalar
(57) ABSTRACT
A system for routing SMS-messages to a plurality ol short message service centers, comprising: a first transceiver for sending and receiving SMS-messages over a fixed network; a router table for identilying Irom a recipient address ol a SMS-message a short message service center that services the intended recipient ol the SMS-message, said first transceiver cooperating with the router table in order to submit a received SMS-message to an identified short message service center servicing the intended recipient. The system lurther comprises a GSM-node comprising a second transceiver for sending and receiving SMS-messages to and Irom a GSM-network, said second transceiver connected to said first transceiver; wherein said first transceiver and said GSM-node are connected and wherein said first transceiver is adapted to submit a SMS-message to said GSM-node when the short message is ol a predetermined format, so that the GSM-node forms a proxy connected to the GSMnetwork.
14 Claims, 4 Drawing Sheets
