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WO1999046926A1 - Carte intelligente de service a prepaiement pour telephone mobile - Google Patents

Carte intelligente de service a prepaiement pour telephone mobile Download PDF

Info

Publication number
WO1999046926A1
WO1999046926A1 PCT/SE1999/000368 SE9900368W WO9946926A1 WO 1999046926 A1 WO1999046926 A1 WO 1999046926A1 SE 9900368 W SE9900368 W SE 9900368W WO 9946926 A1 WO9946926 A1 WO 9946926A1
Authority
WO
WIPO (PCT)
Prior art keywords
mobile phone
call
network
paid
prepaid
Prior art date
Application number
PCT/SE1999/000368
Other languages
English (en)
Inventor
Ola Mats Stille
Original Assignee
Telefonaktiebolaget Lm Ericsson (Publ)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget Lm Ericsson (Publ) filed Critical Telefonaktiebolaget Lm Ericsson (Publ)
Priority to AU29669/99A priority Critical patent/AU2966999A/en
Publication of WO1999046926A1 publication Critical patent/WO1999046926A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
    • H04M15/30—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal the meter or calculation of charges not being controlled from an exchange
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

Definitions

  • the present invention relates in general to the telephony accounting field and, in particular, to a method and apparatus for ensuring that roaming pre-paid subscribers can make, and be charged for, mobile telephone calls.
  • CDR Call Record
  • AoC Advice of Charge
  • a subscription for each prepaid customer is stored in a subscriber database in a system's IN node.
  • Each subscription field in the IN node contains certain information such as, for example, the number of charging units (to be used for the payment of a call), dates (e.g., when the charging units or subscription will expire, when announcements are to be played, etc.), and other subscriber-related information (e.g., tariff class, lists of barred and allowed numbers, and other restrictions and information about subscribers).
  • This subscriber information can be stored in the IN's Service Control Function, an external database (e.g., a Service Data Function), or both.
  • the charging units can be any unit value, as long as the unit is fully convertible between monetary value, time value, etc.
  • the call data records are collected similar to those in conventional billing systems.
  • a difference between the post-paid CDR and pre-paid CDR network approaches is that the pre-paid CDR network approach maintains a dedicated pre-paid account in a database for each mobile subscriber.
  • the cost of the call is calculated and deducted from the amount in the subscriber's account. If the account reaches zero, the pre-paid system orders the mobile network to bar the subscriber from making additional calls. Some of the network operators allow the pre-paid amount to reach zero without restricting the call, but those operators eventually charge the subscriber by post-processing the CDRs in a post-paid billing system.
  • AoC information for a pre-paid subscriber is sent from the network and received by the subscriber's mobile phone.
  • the mobile phone forwards the received AoC information to its Subscriber Identity Module (SIM) card, where special pre-paid application software resides.
  • SIM Subscriber Identity Module
  • the pre-paid software routine deducts the AoC amounts from a pre-paid amount stored in the SIM card. Again, this is a network-based pre-paid accounting approach.
  • SIM Subscriber Identity Module
  • the home area mobile telephone network operator/service provider cannot rely on the principle that all visited networks of other countries where the end-user may roam, are technically supporting the CDR, IN or AoC approaches in accordance with the requirements of the home area mobile telephone network operator/service provider.
  • the home area mobile telephone network operator/service provider simply cannot assume the risk of the end-user being able to make calls free of charge due to a visited network's incompatibility with any of the three pre-paid network approaches.
  • the mobile telephone networks need to transfer call charge information to the pre-paid accounting application software that resides in the SIM cards located in the mobile phones.
  • the pre-paid -3- application software deducts the call charges from the pre-paid charging units stored in the SIM card.
  • the main problem with such an AoC arrangement is first, that very few visited networks support AoC at all, which makes these networks invalid for roaming. Second, even if the visited network were to support AoC, the home network operator would have no influence on the call charge transferred to the mobile phone, because it would be the visited network that would set and transfer the call charge information to the mobile phone. Consequently, if the prepaid subscriber leaves the mobile phone's home network area (e.g., for a vacation), the home network operator would have to transfer a call barring order on the pre- paid subscriber to the visited network, since the AoC would not be guaranteed to be handled at all, or at least in the way that the home operator would want the call charges to be handled. However, as described in detail below, the present invention successfully resolves these problems.
  • An Intelligent Pre-paid Service Card for a mobile phone, whereby the IPSC performs call charge calculations, instead of the network.
  • an IPSC is integrated with a conventional SIM card in a mobile phone. As such, the mobile network does not have to transmit call charging information to the mobile phone. Consequently, any network can handle calls for a roaming pre-paid subscriber whose mobile phone includes the present IPSC.
  • An important technical advantage of the present invention is that roaming pre-paid subscribers' calls are not restricted, and calls can be placed or received at any location. Another important technical advantage of the present invention is that mobile phone pre-paid services can be provided without the need for backup postprocessing.
  • FIGURE 1 is a simplified block diagram of an exemplary mobile radiotelephone, which can be used to implement the preferred embodiment of the present invention
  • FIGURE 2 is a simplified block diagram that illustrates an exemplary SIM card with an Intelligent Prepaid Service Area that can be used to implement a preferred embodiment of the present invention.
  • FIGURES 1 -2 of the drawings like numerals being used for like and corresponding parts of the various drawings.
  • an IPSC is provided for a mobile phone, in which the IPSC performs call charge calculations, instead of the network.
  • an IPSC is integrated with a SIM card in a mobile phone.
  • the mobile network does not have to transmit call charging information to the mobile phone. Consequently, any network can handle calls for a roaming pre-paid subscriber whose mobile phone includes the present IPSC.
  • FIGURE 1 is a simplified block diagram of an exemplary mobile radiotelephone 10, which can be used to implement the preferred embodiment of the present invention.
  • mobile radiotelephone (phone) 10 can be a mobile terminal or mobile station operating in a cellular communications system, such as, for example, the Global System for Mobile Communications (GSM), the Personal Digital Cellular (PDC) system, or the Advanced or Digital- Advanced Mobile Phone System (AMPS or D-AMPS).
  • GSM Global System for Mobile Communications
  • PDC Personal Digital Cellular
  • AMPS or D-AMPS Advanced or Digital- Advanced Mobile Phone System
  • the present invention can be implemented in any mobile phone that utilizes a SIM or similar feature.
  • the exemplary mobile phone 10 includes a SIM 14, which can be, for example, configured as an ID-1 SIM (format and layout in accordance with the ISO standards for integrated circuit cards), or a plug-in SIM (e.g., semi-permanently installed).
  • a SIM 14 can be, for example, configured as an ID-1 SIM (format and layout in accordance with the ISO standards for integrated circuit cards), or a plug-in SIM (e.g., semi-permanently installed).
  • FIGURE 2 is a simplified block diagram that illustrates an exemplary SIM card 114 that can be used to implement a preferred embodiment of the present invention.
  • SIM card 114 includes an Intelligent Prepaid Service Area (IPS A) 116 integrated with the SIM card 114.
  • the IPS A 116 includes a memory storage area (not shown), which can be addressed (read from and written to) by a processor located in the mobile phone 10.
  • the IPS A memory includes the IPS A software routine(s) used for performing calculations and processing of the pre-paid service call charge information.
  • the EPSA software routine(s) are preferably executed by the processor located in the mobile phone.
  • an initial charge limit value (e.g., $100.00), which the subscriber/user of the mobile phone 10 has paid for, is stored as units in the IPS A 116 of the SIM card.
  • a subscriber can purchase new call limit units at any appropriate retail store, or directly from a mobile network operator or service provider at a designated location.
  • the network operator and service provider can sell IPSCs with their respective brand names on the cards.
  • a user can change network operators by simply purchasing a specific operator's plug-in IPSC.
  • the IPSC via the IPSC/SIM interface
  • the IPSC will cause the mobile phone to select the appropriate network to connect with according to the network issuer of the IPSC. If the mobile phone is
  • the mobile phone will be able to select a cooperating network to connect with in the visited country, based on information provided by the SIM card and user choice.
  • a network operator can input the initial, or refill, charge limit value directly to the mobile phone (e.g., password-authorized keypad entry), or the initial charge value can be downloaded at an appropriate time from the network via the radio air interface (e.g., only while the phone is located in its home network area).
  • the home network's mobile services switching centers can create CDRs for the IPSC mobile phone calls in the same way as that used for non-IPSC mobile phone calls.
  • the home network operator's administrative systems would not use those CDRs for payment settlements with the IPSC subscribers, but preferably would use them only for accounting purposes with the visited countries' cooperating network operators.
  • the EPSA software extracts the dialed party's number from the terminal part of the mobile phone via the SIM card- terminal interface.
  • the IPS A 116 memory area includes a charging analysis table, which is used to determine a call charge rate based on the dialed party's number.
  • the preferred embodiment is described herein as utilizing a flat-rate oriented charge scheme.
  • the IPS A software can apply only one tariff for all national number calls dialed.
  • the IPS A software can apply one national tariff as per visited country (e.g., 0.5 GBP/60 seconds in visited UK GSM networks, 1.0 DEM/60 seconds in visited German GSM networks, and 1.0 USD/60 seconds in the
  • a flat rate can be used on a per country or continent basis (as seen from the home network's perspective).
  • one tariff can be applied for calls made to Europe, a second tariff for calls to North America, a third tariff for calls to South America, a fourth tariff for Asia, a fifth for Australia, and a sixth for Africa (seven tariffs including the home nation).
  • the software waits for an indication (via the SIM card-terminal interface) that the dialed call has been connected.
  • the end-user makes a an international call by pressing, for example, the "+" key (substitute for the international carrier prefix) followed by the country code
  • the IPS A 116 software extracts the country code digits, compares them with the charges listed for that country in the charge analysis table, and sets the appropriate tariff for that destination country or continent.
  • the IPS A 116 software analyzes the dialed number and determines from the first few digits that the dialed number has an international format according to the country of the visited network. The IPS A 116 software then extracts the country code digits, compares them with the charges listed for that country in the charge analysis table, and sets the appropriate international tariff for that destination country or continent.
  • the IP SA 116 software waits for receipt of a remote end answer signal (e.g., a Q931 -based CONNECT message in the PDC and GSM). If the remote end answer signal is not received (e.g., after a time-out duration of 30 seconds), the IPSA software does not institute the charging subroutine(s). If the IPSA software receives a remote end answer signal (the dialed call has been connected), the charging subroutine is initiated to start a unit countdown. For example, the countdown can be made as 30 seconds per unit for national calls, and 15 -7- seconds per unit for international European calls.
  • a remote end answer signal e.g., a Q931 -based CONNECT message in the PDC and GSM.
  • the initial charge amount paid by the mobile phone subscriber is $100.00, this amount would correspond to 100 units stored in the IPSA (e.g., at $1.00 per unit). This would result in a $1.00 per 30 second conversation time for national U.S. calls, and $2.00 for a similar duration international European call.
  • the IPSA 116 software After the call (and unit countdown) is completed, the IPSA 116 software stores the remaining amount of units for the next call. If the number of remaining charging units falls below zero during a call, the IPSA software issues a "call terminate" order message via the SIM card to the terminal part of the mobile phone, which functions to drop the call. However, as an option for this embodiment, the IPSA software can issue a notification message to the terminal part of the phone when, for example, a certain amount of (e.g., 10) charging units remain. In response, the terminal can generate a "low charging unit" tone from the phone's speaker for the end-user to hear.
  • a certain amount of (e.g., 10) charging units remain.
  • the terminal can generate a "low charging unit" tone from the phone's speaker for the end-user to hear.
  • the IPSA software When there are no units remaining in the IPSA memory store, the IPSA software preferably prohibits any additional calls until the operator/service provider/user inserts a new IPSA card (or the operator/service provider keys-in a new amount) with more than a threshold amount of charge units.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Meter Arrangements (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne une carte intelligente de service à prépaiement (114) pour téléphone mobile (10), qui effectue les calculs de taxation d'appel à la place du réseau mobile. Cette carte (114) peut être intégrée à une carte à module d'identification d'abonné (SIM) dans le téléphone mobile (10). Ainsi, le réseau mobile n'a plus à transmettre l'information de taxation d'appel au téléphone mobile (10). En conséquence, tout réseau peut traiter les appels qui supposent la recherche d'abonnés bénéficiant du prépaiement, dont le téléphone mobile (10) comprend une carte intelligente de service à prépaiement (114).
PCT/SE1999/000368 1998-03-12 1999-03-10 Carte intelligente de service a prepaiement pour telephone mobile WO1999046926A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU29669/99A AU2966999A (en) 1998-03-12 1999-03-10 Intelligent pre-paid service card for a mobile phone

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4157598A 1998-03-12 1998-03-12
US09/041,575 1998-03-12

Publications (1)

Publication Number Publication Date
WO1999046926A1 true WO1999046926A1 (fr) 1999-09-16

Family

ID=21917259

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1999/000368 WO1999046926A1 (fr) 1998-03-12 1999-03-10 Carte intelligente de service a prepaiement pour telephone mobile

Country Status (2)

Country Link
AU (1) AU2966999A (fr)
WO (1) WO1999046926A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002013569A1 (fr) * 2000-08-08 2002-02-14 Markport Limited Procede d'enregistrement d'un abonne
GB2365679A (en) * 2000-03-14 2002-02-20 Ericsson Telefon Ab L M Cost control in a mobile telecommunications system
WO2004086788A1 (fr) * 2003-03-25 2004-10-07 Teles Ag Informationstechnologien Activation payante et desactivation de cartes sim dans une passerelle ou un appareil de telephonie mobile et procede associe
EP1560448A1 (fr) * 2004-01-29 2005-08-03 Swisscom Mobile AG Procédé et système de téléphonie vocale et/ou transmission de données prépayée
EP1713293A1 (fr) * 2005-04-13 2006-10-18 Dai Nippon Printing Co., Ltd. Terminal de communication mobile, carte à puce, système de communication mobile, logiciel, et procédé de notification de frais de transmission

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2267794A (en) * 1992-04-24 1993-12-15 Alan Kilpatrick Conroy A pre-payable mobile cellular phone
WO1995028062A2 (fr) * 1994-04-07 1995-10-19 Nokia Telecommunications Oy Module d'identification d'abonne amovible pour radiotelephone mobile et systeme de controle d'appel
FR2727270A1 (fr) * 1994-11-22 1996-05-24 Vary Didier Telephone portatif sans fil jetable
US5577100A (en) * 1995-01-30 1996-11-19 Telemac Cellular Corporation Mobile phone with internal accounting
US5631947A (en) * 1991-03-04 1997-05-20 Megatrend Telecommunications, Inc. Mobile telephone device for storing a plurality of changable charge rates and time limit data
GB2308528A (en) * 1995-12-20 1997-06-25 Ramis Harry Mobile Telephone Using SIM Card Storing Prepaid Units
EP0790587A1 (fr) * 1996-02-14 1997-08-20 Koninklijke Philips Electronics N.V. Système de transmission comportant des dispositifs terminaux munis d'un circuit de prépaiement, dispositif terminal convenant à un tel système et procédé mis en oeuvre dans un tel système

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5631947A (en) * 1991-03-04 1997-05-20 Megatrend Telecommunications, Inc. Mobile telephone device for storing a plurality of changable charge rates and time limit data
GB2267794A (en) * 1992-04-24 1993-12-15 Alan Kilpatrick Conroy A pre-payable mobile cellular phone
WO1995028062A2 (fr) * 1994-04-07 1995-10-19 Nokia Telecommunications Oy Module d'identification d'abonne amovible pour radiotelephone mobile et systeme de controle d'appel
FR2727270A1 (fr) * 1994-11-22 1996-05-24 Vary Didier Telephone portatif sans fil jetable
US5577100A (en) * 1995-01-30 1996-11-19 Telemac Cellular Corporation Mobile phone with internal accounting
GB2308528A (en) * 1995-12-20 1997-06-25 Ramis Harry Mobile Telephone Using SIM Card Storing Prepaid Units
EP0790587A1 (fr) * 1996-02-14 1997-08-20 Koninklijke Philips Electronics N.V. Système de transmission comportant des dispositifs terminaux munis d'un circuit de prépaiement, dispositif terminal convenant à un tel système et procédé mis en oeuvre dans un tel système

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2365679A (en) * 2000-03-14 2002-02-20 Ericsson Telefon Ab L M Cost control in a mobile telecommunications system
US6892063B2 (en) 2000-03-14 2005-05-10 Telefonaktiebolaget Lm Ericsson (Publ) Cost control in a telecommunications system
WO2002013569A1 (fr) * 2000-08-08 2002-02-14 Markport Limited Procede d'enregistrement d'un abonne
WO2004086788A1 (fr) * 2003-03-25 2004-10-07 Teles Ag Informationstechnologien Activation payante et desactivation de cartes sim dans une passerelle ou un appareil de telephonie mobile et procede associe
EP1560448A1 (fr) * 2004-01-29 2005-08-03 Swisscom Mobile AG Procédé et système de téléphonie vocale et/ou transmission de données prépayée
WO2005074310A1 (fr) * 2004-01-29 2005-08-11 Swisscom Mobile Ag Procede et systeme pour transmettre des donnees utiles entre des appareils de telecommunication
US7433453B2 (en) 2004-01-29 2008-10-07 Swisscom Mobile Ag Method and system for transmitting useful data between telecommunication devices
EP1713293A1 (fr) * 2005-04-13 2006-10-18 Dai Nippon Printing Co., Ltd. Terminal de communication mobile, carte à puce, système de communication mobile, logiciel, et procédé de notification de frais de transmission
US7937082B2 (en) 2005-04-13 2011-05-03 Dai Nippon Printing Co., Ltd. Mobile communication terminal, IC card, mobile communication system, program, and communication charge notification method
US8489091B2 (en) 2005-04-13 2013-07-16 Dai Nippon Printing Co., Ltd. Mobile communication terminal, IC card, mobile communication system, program, and communication charge notification method

Also Published As

Publication number Publication date
AU2966999A (en) 1999-09-27

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