(19)
(11) EP 1 232 638 A1

(12)

(43) Date of publication:
21.08.2002 Bulletin 2002/34

(21) Application number: 00973326.2

(22) Date of filing: 20.10.2000
(51) International Patent Classification (IPC)7: H04M 3/00, H04M 11/00
(86) International application number:
PCT/SE0002/041
(87) International publication number:
WO 0103/3819 (10.05.2001 Gazette 2001/19)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
LT LV

(30) Priority: 01.11.1999 SE 9903949

(71) Applicant: TELIA AB
123 86 Farsta (SE)

(72) Inventor:
  • WILHELMSSON, Lennart
    S-175 55 Järfälla (SE)

(74) Representative: Hopfgarten, Nils et al
L.A. Groth & Co. KBP.O. Box 6107
102 32 Stockholm
102 32 Stockholm (SE)

   


(54) A SYSTEM FOR AUTOMATICALLY SWITCHING BETWEEN ANALOGUE AND IP TELEPHONY