(19)
(11) EP 1 814 267 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
29.08.2012 Bulletin 2012/35

(45) Mention of the grant of the patent:
20.06.2012 Bulletin 2012/25

(21) Application number: 04799623.6

(22) Date of filing: 11.11.2004
(51) International Patent Classification (IPC): 
H04L 29/06(2006.01)
H04L 12/28(2006.01)
H04L 12/66(2006.01)
(86) International application number:
PCT/JP2004/016762
(87) International publication number:
WO 2006/051594 (18.05.2006 Gazette 2006/20)

(54)

IP PACKET RELAY METHOD AND GATEWAY DEVICE IN COMMUNICATION NETWORK

IP-PAKETRELAISVERFAHREN UND GATEWAY-EINRICHTUNG IN EINEM KOMMUNIKATIONSNETZ

PROCEDE DE RELAIS DE PAQUETS IP ET DISPOSITIF DE PASSERELLE DANS UN RESEAU DE COMMUNICATION


(84) Designated Contracting States:
DE FR GB

(43) Date of publication of application:
01.08.2007 Bulletin 2007/31

(73) Proprietor: MITSUBISHI ELECTRIC CORPORATION
Chiyoda-ku Tokyo 100-8310 (JP)

(72) Inventors:
  • FURUYA, Shinji, Mitsubishi Electric Corporation
    Tokyo 100-8310 (JP)
  • YOKOTANI, Tetsuya, Mitsubishi Electric Corporation
    Tokyo 100-8310 (JP)
  • SATO, Kouji, Mitsubishi Electric Corporation
    Tokyo 100-8310 (JP)
  • KASHIMA, Kazuyuki, Mitsubishi Electric Corporation
    Tokyo 100-8310 (JP)

(74) Representative: Pfenning, Meinig & Partner GbR 
Patent- und Rechtsanwälte Theresienhöhe 13
80339 München
80339 München (DE)


(56) References cited: : 
WO-A-02/098119
JP-A- 2004 522 368
JP-A- 2003 289 337
US-A1- 2003 235 187
   
  • CAMARILLO G ET AL: "Integration of Resource Management and Session Initiation Protocol (SIP); rfc3312.txt" IETF STANDARD, INTERNET ENGINEERING TASK FORCE, IETF, CH, 1 October 2002 (2002-10-01), XP015009089 ISSN: 0000-0003
  • SCHULZRINNE COLUMBIA UNIVERSITY S CASNER PACKET DESIGN H: "RTP Profile for Audio and Video Conferences with Minimal Control; rfc3551.txt" IETF STANDARD, INTERNET ENGINEERING TASK FORCE, IETF, CH, 1 July 2003 (2003-07-01), XP015009333 ISSN: 0000-0003
  • LENNOX H SCHULZRINNE COLUMBIA U J ROSENBERG DYNAMICSOFT J: "Common Gateway Interface for SIP; rfc3050.txt" IETF STANDARD, INTERNET ENGINEERING TASK FORCE, IETF, CH, 1 January 2001 (2001-01-01), XP015008833 ISSN: 0000-0003
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).