(19)

(11)

EP 1 070 418 A1

(12)

(43) Date of publication: 24.01.2001 Bulletin 2001/04 (21) Application number: 98959654.9 (22) Date of filing: 02.12.1998

(51) International Patent Classification (IPC)7: H04M 3/42, H04M 7/00, H04L 12/46, H04L 12/66 (86) International application number: PCT/US9825/529 (87) International publication number: WO 9930/474 (17.06.1999 Gazette 1999/24)

(84) Designated Contracting States: DE FR GB (30) Priority: 05.12.1997 US 986216 (71) Applicant: Telehub Communications Corparation Walnut Creek, CA 94596 (US)	(72) Inventors: CHANDLER, Timothy, C. Westlake Village, CA 91361-4800 (US) MCLAUGHLIN, Michael, G. McHenry, IL 60050 (US) SUND, William, M. McHenry, IL 60050 (US) LAGRAND, John, T. Phoenix, AZ 85024 (US) ZAIDE, Anthony Gurnee, IL 60031-0235 (US) (74) Representative: Lucas, Brian Ronald et al Lucas & Co.135 Westhall Road WarlinghamSurrey CR6 9HJ WarlinghamSurrey CR6 9HJ (GB)