(19)
(11) EP 0 939 576 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:
08.07.2009 Bulletin 2009/28

(45) Mention of the grant of the patent:
01.04.2009 Bulletin 2009/14

(21) Application number: 99301138.6

(22) Date of filing: 16.02.1999
(51) International Patent Classification (IPC): 
H04Q 11/04(2006.01)

(54)

Circuit-switched network

Durchschaltevermitteltlungsnetz

Réseau à commutation de circuit

(84) Designated Contracting States:
DE FR GB IT

(30) Priority: 26.02.1998 JP 4569398
26.02.1998 JP 4570798
26.02.1998 JP 4574498
26.02.1998 JP 4576798
11.05.1998 JP 12776298
11.05.1998 JP 12778898

(43) Date of publication of application:
01.09.1999 Bulletin 1999/35

(73) Proprietor: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Tokyo 100-8116 (JP)

(72) Inventors:
  • Shiomoto, Kohei Nippon Telegraph and Telephone C.
    Shinjuku-ku (JP)
  • Yamanaka, Naoaki Nippon Telegraph and TelephoneC.
    Shinjuku-ku (JP)

(74) Representative: Skone James, Robert Edmund 
Gill Jennings & Every LLP Broadgate House 7 Eldon Street
London EC2M 7LH
London EC2M 7LH (GB)


(56) References cited: : 
EP-A- 0 675 618
GB-A- 2 278 979
 EP-A- 0 903 959
   
       
    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).