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WO2005004511A1 - Additional number provision in cellular telecommunications network - Google Patents

Additional number provision in cellular telecommunications network Download PDF

Info

Publication number
WO2005004511A1
WO2005004511A1 PCT/EP2003/007454 EP0307454W WO2005004511A1 WO 2005004511 A1 WO2005004511 A1 WO 2005004511A1 EP 0307454 W EP0307454 W EP 0307454W WO 2005004511 A1 WO2005004511 A1 WO 2005004511A1
Authority
WO
WIPO (PCT)
Prior art keywords
subscription
additional number
storing
additional
user
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/EP2003/007454
Other languages
French (fr)
Inventor
William Redmond
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 AB filed Critical Telefonaktiebolaget LM Ericsson AB
Priority to AU2003250931A priority Critical patent/AU2003250931A1/en
Publication of WO2005004511A1 publication Critical patent/WO2005004511A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42008—Systems for anonymous communication between parties, e.g. by use of disposal contact identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0407—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the identity of one or more communicating identities is hidden
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support

Definitions

  • the present invention relates to a method and means for providing a subscription to a cellular telecommunications network with an additional number under which a user of a subscription can be reached.
  • ITU E.164 The currently most widely spread standard for defining a number is ITU E.164 which enables a user of any public telephone network to reach any other user of a public telephone network worldwide.
  • MSISDN Mobile Station ISDN
  • SIM Subscriber Identity Module
  • MSISDN for instance offered by the German operator DeutscheInstitut under the label PartnerCard, permits the usage of different numbers to reach the same subscription.
  • This system has the shortcoming hat it requires to change the SIM card in a terminal to use different numbers.
  • Telecommunications operator Optus of Australia offers a service for registering an additional MSISDN for a subscriber. However it is not disclosed how this is implemented nor is it possible to restrict service provided to the additional number.
  • PCT application WOO 1/76309 describes a method for adapting an MSISDN to be used for a subscription by selecting it out of a plurality of MSISDN numbers without changing manually a SIM.
  • the invented method permits the usage of only one MSISDN at a time.
  • PCT application WO 98/53629 discloses a method for a terminal and a terminal adapted to associate multiple numbers to one SIM card. This has the disadvantage that he handling of plural numbers is performed within the terminal requiring more sophisticated terminals. Furthermore the application does not disclose how the attachment and detachment of a user is handled within a telecommunications network.
  • the invention introduces a method for enabling privacy protection for a subscription to a cellular telecommunication system.
  • the method comprises the following steps performed by a data base for storing subscriber data, storing an additional number to be dialled for reaching a user of the subscription, associating the additional number to the subscription by storing an association between the additional number and data stored for said subscription and storing limiting information to limit the services provided under the additional number compared to services provided under the main number.
  • This has the advantage that the invention can be implemented by minor adaptations of the database. Thus adaptations in the network or a terminal connected to said network are not necessary.
  • the privacy provided enables the owner of the subscription to hide his original number.
  • the original number is the number that comes with the subscription.
  • Said hiding of the original number may be used for particular purposes as avoiding receiving so-called spam messages or calls. It also enables to have privacy provided without the necessity of changing an existing subscription.
  • the storing of limiting information permits to restrict the services provided under the additional number in comparison to services provided under the main number. By this, a tailored solution can be offered to a subscriber that for example needs the second number only to use for short message service.
  • a main number is the first number allocated to a subscription.
  • the additional number is for instance a mobile station integrated services digital network number.
  • the additional number can be limited in the amount of time it is valid for. This is advantageous if a user of a subscription intends to use the additional number for a particular purpose and wants to restrict to be reachable for a predefined time. If a user of a subscription would like to offer services or goods for a predefined time for instance in the case of an auction or a special sales activity, the number can be inactivated after the end of the sales activity.
  • the invention further introduces a database for storing subscription data to be used in a cellular telecommunications system.
  • Said database comprises an input output unit, a processing unit and a storage. It is characterised by that the processing unit is adapted to initiate the storing of an additional number for reaching a user of a subscription and the associating of the additional number to subscription data stored for the subscription.
  • the database may further comprise means for monitoring an expiration of a time for or until that the additional number is valid. It may as well comprise a control unit adapted to check for service limitations under the additional number compared to services permitted by the subscription.
  • Fig. 1 depicts a flowchart of the method as invented
  • Fig. 2 depicts a data base according to the invention
  • Fig. 3 depicts a section of a system wherein the invented method is applied.
  • Fig. 1 depicts a flowchart of the method as invented.
  • the method starts in a first step 101.
  • a request is received for storing an additional number for a subscription.
  • a subscription is an agreement between a provider of a telecommunications service, for instance an operator, and someone interested in a right for using said service.
  • a number is a generic term for an address under which a user of a subscription can be reached.
  • a number can be for example a telephone number, an address like an internet, WAP (Wireless Application Protocol) or computer network address or any other identification that supports the reaching of a user of a subscription.
  • the request is supported in a subsequent step 103 by storing the additional number.
  • a step 104 data stored for the subscription is associated to the additional number.
  • This can be implemented for example by storing a link from the additional number to a part of the database under which subscription data is stored.
  • a further way to implement is to copy at least part of the data stored for the subscription in a part of the database under which data are stored for the additional number.
  • a further step 105 it is determined whether or not services provided under the additional number are limited. That is, whether a user may use the same services when using the additional number as when using a main number associated to the subscription.
  • the service is restricted to message service, i.e. the additional number can be used for receiving messages, only.
  • message services are for example short message service, multi media message service and paging services.
  • step 105 If the result of step 105 is that services shall be limited, the limitation is stored in a next step 106.
  • the time limit is stored in a step 108.
  • the time limit may be a time span or a particular point in time.
  • the method ends in a step 109.
  • FIG. 2 depicts a database DB2 according to the invention.
  • the database is used for storing subscription data, it may be implemented by means of an home location register, a home subscriber server, an AAA(Authorisation, Authentication and Accounting)-server or any other database used for storing subscription related data.
  • the database DB2 comprises an input/output unit IOU2 for sending and receiving data and messages, a storage ST02 for storing subscription related data and a processing unit PU2.
  • TCU2 further comprises a time check unit TCU2, that is an implementation of a means for monitoring an expiration of a time for that or until that the additional number is valid, in the case that the additional number is valid until a predefined point in time, TCU2 can implemented by means of a date comparator comparing a stored date with a current date. In the case that the additional number is valid for a predefined amount of time, it can be implemented by means of a timer that is decremented according to a clock signal.
  • the storage ST02, the processing unit PU2 and the input output unit IOU2 can be implemented by means of hardware, software, or a combination of both.
  • the processing unit PU2 is adapted to process requests for storing an additional number for a subscription and to associate data stored for the subscription to the additional number.
  • the storage is organised in a way that supports the storing of an additional number and said association. In the depicted embodiment all units are interconnected.
  • Figure 3 depicts a section of a system wherein the invented method is applied.
  • the invention is implemented for an additional number for that the provision of services is restricted to short message service.
  • the invention could be implemented as stated above without restriction or for restricted to any other combination of services that are permitted for the subscription.
  • the system comprises an SMS (Short Message Service) gateway mobile services switching centre SMS-GWMSC3, a home location register HLR3 an mobile services switching centre/visited location register MSC/NLR3 that serves a terminal MS3 used by a user of the subscription via an air interface. Further depicted is said terminal as well as a sender of a short message SME3 and a service centre SC3 receiving said short message from the sender SME3 and forwarding it to the SMS gateway mobile services switching centre SMS-GWMSC3.
  • SMS Short Message Service
  • the SMS gateway mobile services switching centre SMS-GWMSC3 requests routing information from the home location register HLR3.
  • the home location register HLR3 receives the request comprising an additional number stored for the subscription. It returns an identification of the mobile services switching centre/visited location register MSC/NLR3, for example by means of a visited location register address, a mobile services switching centre address or a mobile station roaming number comprising both or either address.
  • the home location register HLR3 returns the visited location register address together with the IMSI (International Mobile Subscriber Identity) of the receiving terminal.
  • the SMS-gateway mobile services switching centre SMS- GWMSC interrogates the visited location register of the mobile services switching centre/visited location register MSC/NLR3 for the serving mobile services switching centre address. It receives said address in return and forwards the short message to the serving mobile services switching centre.

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

Abstract

The invention relates to providing privacy for a user of a subscription to a cellular telecommunications network. To this end the subscription is provided with an additional number under which services of the network can be used. The second number, the mapping of subscription data to the additional number as well as routing information to reach the called user of the subscription under the additional number are handled within the network.

Description

Additional number provision in cellular telecommunications network
Field of the invention
The present invention relates to a method and means for providing a subscription to a cellular telecommunications network with an additional number under which a user of a subscription can be reached.
Related art
Today a plurality of telecommunications networks exists which are divided into wireline and wireless telecommunications networks. The most important group of wireless telecommunications networks is the cellular telecommunications networks.
The currently most widely spread standard for defining a number is ITU E.164 which enables a user of any public telephone network to reach any other user of a public telephone network worldwide. In most cellular telecommunications networks, a so-called MSISDN (Mobile Station ISDN) number is associated to a subscription, compliant to said standard.
Though being well known to provide additional numbers under which a user of a fixed network can be reached at least since the introduction of ISDN (Integrated Services Digital Network), only few mechanisms exist, that permit a user of a cellular telecommunications network to be reachable under more than one number.
It is possible to change the number under which a terminal of a cellular telecommunications network can be reached by exchanging an identification stored in the terminal. However, this permits to reach the same terminal under different numbers but not the same subscription.
Furthermore, for example in the case that a subscription permits the usage of more than one SIM (Subscriber Identity Module), each of the SIMs using a different
MSISDN, for instance offered by the German operator Deutsche Telekom under the label PartnerCard, permits the usage of different numbers to reach the same subscription. This system has the shortcoming hat it requires to change the SIM card in a terminal to use different numbers.
Telecommunications operator Optus of Australia offers a service for registering an additional MSISDN for a subscriber. However it is not disclosed how this is implemented nor is it possible to restrict service provided to the additional number.
PCT application WOO 1/76309 describes a method for adapting an MSISDN to be used for a subscription by selecting it out of a plurality of MSISDN numbers without changing manually a SIM. However, the invented method permits the usage of only one MSISDN at a time.
PCT application WO 98/53629 discloses a method for a terminal and a terminal adapted to associate multiple numbers to one SIM card. This has the disadvantage that he handling of plural numbers is performed within the terminal requiring more sophisticated terminals. Furthermore the application does not disclose how the attachment and detachment of a user is handled within a telecommunications network.
It is therefore an object of the invention to overcome the shortcomings of the prior art.
Summary
The invention introduces a method for enabling privacy protection for a subscription to a cellular telecommunication system. The method comprises the following steps performed by a data base for storing subscriber data, storing an additional number to be dialled for reaching a user of the subscription, associating the additional number to the subscription by storing an association between the additional number and data stored for said subscription and storing limiting information to limit the services provided under the additional number compared to services provided under the main number. This has the advantage that the invention can be implemented by minor adaptations of the database. Thus adaptations in the network or a terminal connected to said network are not necessary. The privacy provided enables the owner of the subscription to hide his original number. The original number is the number that comes with the subscription. Said hiding of the original number may be used for particular purposes as avoiding receiving so-called spam messages or calls. It also enables to have privacy provided without the necessity of changing an existing subscription. The storing of limiting information permits to restrict the services provided under the additional number in comparison to services provided under the main number. By this, a tailored solution can be offered to a subscriber that for example needs the second number only to use for short message service. A main number is the first number allocated to a subscription.
The additional number is for instance a mobile station integrated services digital network number. A number that is commonly and widespread used for cellular telecommunications networks, thus having the advantage of almost ubiquitous usability of the invention.
The additional number can be limited in the amount of time it is valid for. This is advantageous if a user of a subscription intends to use the additional number for a particular purpose and wants to restrict to be reachable for a predefined time. If a user of a subscription would like to offer services or goods for a predefined time for instance in the case of an auction or a special sales activity, the number can be inactivated after the end of the sales activity.
The invention further introduces a database for storing subscription data to be used in a cellular telecommunications system. Said database comprises an input output unit, a processing unit and a storage. It is characterised by that the processing unit is adapted to initiate the storing of an additional number for reaching a user of a subscription and the associating of the additional number to subscription data stored for the subscription.
The database may further comprise means for monitoring an expiration of a time for or until that the additional number is valid. It may as well comprise a control unit adapted to check for service limitations under the additional number compared to services permitted by the subscription.
Brief description of the drawings
The following figures show:
Fig. 1 depicts a flowchart of the method as invented,
Fig. 2 depicts a data base according to the invention, and
Fig. 3 depicts a section of a system wherein the invented method is applied.
Detailed description
In the following the invention will be further described by means of examples and by means of figures.
Fig. 1 depicts a flowchart of the method as invented. The method starts in a first step 101. In the following step 102 a request is received for storing an additional number for a subscription. A subscription is an agreement between a provider of a telecommunications service, for instance an operator, and someone interested in a right for using said service. A number is a generic term for an address under which a user of a subscription can be reached. A number can be for example a telephone number, an address like an internet, WAP (Wireless Application Protocol) or computer network address or any other identification that supports the reaching of a user of a subscription. The request is supported in a subsequent step 103 by storing the additional number.
In a step 104, data stored for the subscription is associated to the additional number. This can be implemented for example by storing a link from the additional number to a part of the database under which subscription data is stored. A further way to implement is to copy at least part of the data stored for the subscription in a part of the database under which data are stored for the additional number. In a further step 105 it is determined whether or not services provided under the additional number are limited. That is, whether a user may use the same services when using the additional number as when using a main number associated to the subscription.
In a preferred embodiment, the service is restricted to message service, i.e. the additional number can be used for receiving messages, only. Examples of message services are for example short message service, multi media message service and paging services.
If the result of step 105 is that services shall be limited, the limitation is stored in a next step 106.
In a preferred embodiment of the invention, it is determined in a step 107 whether the additional number shall be valid for a predefined time, only. If so, the time limit is stored in a step 108. The time limit may be a time span or a particular point in time.
The method ends in a step 109.
Figure 2 depicts a database DB2 according to the invention. The database is used for storing subscription data, it may be implemented by means of an home location register, a home subscriber server, an AAA(Authorisation, Authentication and Accounting)-server or any other database used for storing subscription related data. The database DB2 comprises an input/output unit IOU2 for sending and receiving data and messages, a storage ST02 for storing subscription related data and a processing unit PU2. In the depicted preferred embodiment it further comprises a time check unit TCU2, that is an implementation of a means for monitoring an expiration of a time for that or until that the additional number is valid, in the case that the additional number is valid until a predefined point in time, TCU2 can implemented by means of a date comparator comparing a stored date with a current date. In the case that the additional number is valid for a predefined amount of time, it can be implemented by means of a timer that is decremented according to a clock signal. The storage ST02, the processing unit PU2 and the input output unit IOU2 can be implemented by means of hardware, software, or a combination of both. The processing unit PU2 is adapted to process requests for storing an additional number for a subscription and to associate data stored for the subscription to the additional number. The storage is organised in a way that supports the storing of an additional number and said association. In the depicted embodiment all units are interconnected.
Figure 3 depicts a section of a system wherein the invented method is applied. In the depicted system the invention is implemented for an additional number for that the provision of services is restricted to short message service. However, the invention could be implemented as stated above without restriction or for restricted to any other combination of services that are permitted for the subscription.
The system comprises an SMS (Short Message Service) gateway mobile services switching centre SMS-GWMSC3, a home location register HLR3 an mobile services switching centre/visited location register MSC/NLR3 that serves a terminal MS3 used by a user of the subscription via an air interface. Further depicted is said terminal as well as a sender of a short message SME3 and a service centre SC3 receiving said short message from the sender SME3 and forwarding it to the SMS gateway mobile services switching centre SMS-GWMSC3.
The SMS gateway mobile services switching centre SMS-GWMSC3 requests routing information from the home location register HLR3. The home location register HLR3 receives the request comprising an additional number stored for the subscription. It returns an identification of the mobile services switching centre/visited location register MSC/NLR3, for example by means of a visited location register address, a mobile services switching centre address or a mobile station roaming number comprising both or either address. In the depicted embodiment the home location register HLR3 returns the visited location register address together with the IMSI (International Mobile Subscriber Identity) of the receiving terminal. The SMS-gateway mobile services switching centre SMS- GWMSC interrogates the visited location register of the mobile services switching centre/visited location register MSC/NLR3 for the serving mobile services switching centre address. It receives said address in return and forwards the short message to the serving mobile services switching centre.

Claims

Claims
1. Method for enabling privacy protection for a subscription to a cellular telecommunication system, said method comprising the following steps performed by a data base for storing subscriber data: storing an additional number to be dialled for reaching a user of the subscription, - associating the additional number to the subscription by storing an association between the additional number and data stored for said subscription, and storing limiting information to limit services provided under the additional number compared to services provided under a main number.
2. Method according to claim 1, wherein the additional number is a mobile station integrated services digital network number.
3. Method according to any of the preceding claims, wherein the additional number is valid only for a predefined time.
4. Database for storing subscription data to be used in a cellular telecommunications system, comprising an input output unit, a processing unit and a storage, the processing unit being adapted to initiate the storing of an additional number for reaching a user of a subscription and the associating of the additional number to subscription data stored for the subscription, characterised by a control unit adapted to check for service limitations under the additional number compared to services permitted by the subscription.
5. Database according to claim 4, wherein the database comprises means for monitoring an expiration of a time for or until that the additional number is valid.
PCT/EP2003/007454 2003-06-30 2003-07-10 Additional number provision in cellular telecommunications network Ceased WO2005004511A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003250931A AU2003250931A1 (en) 2003-06-30 2003-07-10 Additional number provision in cellular telecommunications network

Applications Claiming Priority (2)

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EP0306909 2003-06-30
EPPCT/EP03/06909 2003-06-30

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WO2007012881A1 (en) * 2005-07-29 2007-02-01 British Telecommunications Public Limited Company Mobile telephony services
WO2009004454A2 (en) 2007-07-02 2009-01-08 Telefonaktiebolaget L M Ericsson (Publ) Flexible numbering in mobile networks
US8320882B2 (en) 2007-05-24 2012-11-27 International Business Machines Corporation Method and apparatus for managing obfuscated mobile device user identities
US9723462B2 (en) 2014-11-07 2017-08-01 At&T Intellectual Property I, L.P. Cloud-based device twinning
US9825916B2 (en) * 2007-05-24 2017-11-21 International Business Machines Corporation Method and apparatus for accessing a foreign network with an obfuscated mobile device user identity

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WO2007012881A1 (en) * 2005-07-29 2007-02-01 British Telecommunications Public Limited Company Mobile telephony services
US8320882B2 (en) 2007-05-24 2012-11-27 International Business Machines Corporation Method and apparatus for managing obfuscated mobile device user identities
US9825916B2 (en) * 2007-05-24 2017-11-21 International Business Machines Corporation Method and apparatus for accessing a foreign network with an obfuscated mobile device user identity
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US9723462B2 (en) 2014-11-07 2017-08-01 At&T Intellectual Property I, L.P. Cloud-based device twinning
US10057738B2 (en) 2014-11-07 2018-08-21 At&T Intellectual Property I, L.P. Cloud-based device twinning
US10200832B2 (en) 2014-11-07 2019-02-05 At&T Intellectual Property I, L.P. Cloud-based device twinning
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