Title:
PREPAID TELECOMMUNICATION SYSTEM (102)
Document Type and Number:
WIPO Patent Application WO/2004/047420
Kind Code:
A1
Abstract:
A device (100) communicates with a telecom system (102) to establish a call or data session. The communication includes an identifier used by the telecom system (102) to obtain account information and/or preauthorization from a fund guardian (104). The fund guardian (104) maintains account information about the device and/or subscriber associated with the identifier. A fund guardian authorizes a call access cost or data session access cost. The telecom system (102) facilitates the call or data session between the device and a destination address until the authorized access costs are expired. A reauthorization can occur prior to expiration. An access rate negotiation may also include a bandwidth negotiation.
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Inventors:
ENGELHART ROBERT L (US)
Application Number:
PCT/US2003/036316
Publication Date:
June 03, 2004
Filing Date:
November 12, 2003
Export Citation:
Assignee:
AT & T WIRELESS SERVICES INC (US)
ENGELHART ROBERT L (US)
ENGELHART ROBERT L (US)
International Classes:
G06Q30/06; H04M15/00; H04M17/00; (IPC1-7): H04M11/00
Foreign References:
| US6070067A | 2000-05-30 | |||
| US6453158B2 | 2002-09-17 | |||
| US5684861A | 1997-11-04 | |||
| US6026292A | 2000-02-15 | |||
| US5724659A | 1998-03-03 |
Attorney, Agent or Firm:
Jones, Michael D. (LLP Suite 1600, One World Trade Center, 121 SW
Salmon Stree, Portland OR, US)
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