WO2001078428A1 - Method for blocking the use of a service in a telecommunication system - Google Patents

Method for blocking the use of a service in a telecommunication system Download PDF

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Publication number
WO2001078428A1
WO2001078428A1 PCT/FI2001/000354 FI0100354W WO0178428A1 WO 2001078428 A1 WO2001078428 A1 WO 2001078428A1 FI 0100354 W FI0100354 W FI 0100354W WO 0178428 A1 WO0178428 A1 WO 0178428A1
Authority
WO
WIPO (PCT)
Prior art keywords
short message
subscriber
gateway
database
blocking
Prior art date
Application number
PCT/FI2001/000354
Other languages
French (fr)
Inventor
Sami Ala-Luukko
Original Assignee
Sonera Oyj
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8558170&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2001078428(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority to EP01927958A priority Critical patent/EP1273186B1/en
Priority to DK01927958T priority patent/DK1273186T3/en
Priority to DE60111511T priority patent/DE60111511T2/en
Priority to AU2001254844A priority patent/AU2001254844A1/en
Priority to AT01927958T priority patent/ATE298175T1/en
Application filed by Sonera Oyj filed Critical Sonera Oyj
Publication of WO2001078428A1 publication Critical patent/WO2001078428A1/en
Priority to US10/267,164 priority patent/US6920332B2/en
Priority to US11/511,550 priority patent/US8078200B2/en
Priority to US13/282,982 priority patent/US8805350B2/en
Priority to US14/445,266 priority patent/US9369590B2/en
Priority to US15/177,869 priority patent/US9730035B2/en
Priority to US15/670,136 priority patent/US20180063686A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/21—Monitoring or handling of messages
    • H04L51/212—Monitoring or handling of messages using filtering or selective blocking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
    • H04L51/58—Message adaptation for wireless communication
    • 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
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/0227—Filtering policies
    • H04L63/0236—Filtering by address, protocol, port number or service, e.g. IP-address or URL
    • 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
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/0227—Filtering policies
    • H04L63/0245—Filtering by information in the payload
    • 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
    • H04M15/61—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP based on the service used
    • 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
    • H04M15/88—Provision for limiting connection, or expenditure
    • 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
    • H04M3/436—Arrangements for screening incoming calls, i.e. evaluating the characteristics of a call before deciding whether to answer it
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H04L63/101—Access control lists [ACL]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/60—Context-dependent security
    • H04W12/69—Identity-dependent
    • H04W12/72—Subscriber identity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • 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
    • H04W88/18—Service support devices; Network management devices
    • H04W88/184—Messaging devices, e.g. message centre

Definitions

  • the present invention relates to telecommunication technique.
  • the invention relates to a method of controlling the use of a short message service in a telecommunication system comprising a telecommunication network, a terminal device, by which the subscriber is connected to the telecommunication net- work, a mobile services switching center which is connected to the telecommunication network, a gateway which is connected to the telecommunication network and which comprises functions connected with the transmission of traffic, a short message service cen- ter which is connected to the gateway, a database which is connected to the gateway and to which subscriber information may be saved.
  • the method in accordance with the invention enables one to block the transmission of short messages sent to a certain nu- merical space, containing a certain search word as well as a certain information content.
  • GSM Global System for Mobile Communications
  • SMS Short Message Service
  • the user of a mobile station may send a short message that contains up to 160 char- acters from his/her mobile station, e.g. to another user of a mobile station who has got a terminal device capable of receiving a short message.
  • the short message is transmitted in an air interface outside the actual speech time slots. This enables one to receive short messages, although there would be a call going on at the moment of receipt .
  • the short messages have become very popular among the subscribers, and the operators have developed a remarkable number of short messages for additional charges.
  • the short message service has been activated for a certain subscriber or it has not been activated.
  • the transmission system of short messages does not enable the blocking of short message service based on the B- subscriber number or certain search word.
  • the objective of the invention is to eliminate the problem referred to above.
  • One specific ob- jective of the invention is to disclose a new kind of method and system that enable one to block the transmission of short messages addressed to a certain numerical space, containing a certain search word as well as a certain information content.
  • the present invention is used for the con- trolling of the use of short message services as a functionality of the network in such a way that there is a SMS barring and a subscriber-specific database installed in the network.
  • the database contains information on whether there is a blocking of transmission defined for a certain subscriber. If there is a blocking defined, then the SMS barring has to be able to judge, based on the information included in the database and on the destination number of the short message or on the possible search word included in it, whether the sending of a short message is allowed for the subscriber in question. If the subscriber is not entitled to use the aforementioned service, then the short message is not transmitted further on.
  • the invention relates to a method and a sys- tem of controlling a short message service in a mobile communication system comprising a telecommunication network, a terminal device, by which the subscriber is connected to the telecommunication network, a mobile services switching center which is connected to the telecommunication network, a gateway which is connected to the telecommunication network and which comprises functions connected with the transmission of traffic, a short message service center which is connected to the gateway, a database which is connected to the gateway and to which subscriber information may be saved.
  • the system in accordance with the invention comprises a first and a second signal interface in the environment of the gateway. The operation of the gateway has been arranged so that the communication between the different network components via the first and second signal interface is possible.
  • a short message is created and the short message is sent as a short message to the telecommunication network.
  • the short message is routed to the short message service center, in which the short messages arrived are checked, i.e. whether they are among non-allowed short messages.
  • the short message service center In the short message service center, only those short messages are sent to the gateway that in response to the checking are among those that will be sent further on. After this, it is checked in the database included in the gateway whether the subscriber is entitled to send the short message. In case it is stated, in response to the checking, that the transmission of the short message shall be blocked, then the transmission is blocked and the subscriber is informed of the blocking of the transmission of the short message.
  • This notification may be transmitted to the terminal device, e.g. by a short message or a USSD (Unstructured Supplementary Service Data) or by some other suitable mecha- nism.
  • the short message is checked based on the destination number dialed by the subscriber.
  • the short message may also be checked based on its text content .
  • the blocking definitions of a short message may be attached to the blocking information located in the home location register, defined by the operator.
  • the invention relates to a system of controlling the use of a short message service in a telecommunication system
  • a system of controlling the use of a short message service in a telecommunication system comprising a telecommunication network, a terminal device, by which the subscriber is connected to the telecommunication network, a mobile services switching center which is connected to the telecommunication network, a gateway which is connected to the telecommunication network and which comprises functions connected with the transmission of traffic, a short message service center which is con- nected to the gateway, and a database which is connected to the gateway and to which subscriber information and different definitions may be saved.
  • a checking block is used to check, according to a first checking condition in the short message service center, whether the short message is among non-allowed short messages. After this, if the short message is among non-allowed short messages, then a database block is used to check, based on the blocking definitions, whether the subscriber is entitled to send the short message.
  • the aforementioned checking block is used to check the short message based on a second checking condition according to the destination number dialed by the subscriber, and the short message is checked based on a third checking condition according to the text content written by the subscriber.
  • the database is located in the mo- bile services switching center of the A-subscriber, the gateway or the short messages switching center, and the aforementioned components of the mobile communication system check the blocking definitions in the database.
  • the database is an external or internal da- tabase.
  • the database is based on the functionality of the interface between the home location register and the visitor location register, in which case from the point of view of the operator of the home network, the home location register functions as the master database.
  • the purpose is that when the mobile station moves over to the area of a certain mobile services switching center, the information about the blocking of the transmission of the short message is copied from the database to the visitor location register according to normal procedures of the GSM mobile communication system.
  • there is a signaling block arranged in the gateway that is used to send the signals needed in the blocking of the transmission of a short message between the first and the second interface.
  • a saving block arranged in the system that is used to attach the blocking definitions of the short message to the blocking information located in the home location register (H R, Home Location Register), defined by the operator.
  • H R home Location Register
  • the invention provides the advantage that the shared use of modified databases and network elements enables one to control the access rights of short message services based on the subscriber number or a search word.
  • Fig. 1 represents one advantageous system in accordance with the invention
  • Fig. 2 is one advantageous signaling diagram illustrating the function of the present invention
  • Fig. 3 is one advantageous flow chart illustrating the function of the present invention.
  • Fig. 4 is one advantageous flow chart illus- trating the function of the present invention.
  • the system as shown in Fig. 1 comprises a terminal device MS and a telecommunication network MSN.
  • the telecommunication network MSN.
  • the telecommunication network MSN.
  • the MSN is a mobile communication network.
  • the terminal device MS is preferably a mobile station.
  • the mobile station MS is connected to the mobile communication network MSN by a radio interface .
  • the system comprises, in addition, a mobile services switching cen- ter MSC, a short message service center SMSC, a gateway GW, a database DB .
  • the mobile services switching center MSC is connected to the mobile communication network MSN and to the short message service center SMSC.
  • the gateway GW is connected to the short message service center SMSC, and the database DB is connected to the gateway GW.
  • a checking block 1 which is used to check, based on a first checking condition in the short message service center, whether the short message is among non-allowed short messages.
  • the aforementioned checking block 1 is used to check the short message based on a second checking condition according to the destination number dialed by the subscriber. This is to find out whether the short messages are among the messages for additional charges.
  • the checking block 1 is used to check the short message according to a third checking condition based on the text content written by the subscriber.
  • the user may have input a search word of the service in the text part of the short message, e.g. the word "balance". By the search word the subscriber may refer to number of services of different prices that have been grouped as being in differ- ent blocking classes.
  • the gateway GW means in this example a server computer in which there is a piece of software which supports the GSM system and the signaling protocols needed in it.
  • the gateway GW comprises, among other things, the following components and facilities. It contains the databases for the saving of subscriber- specific information as well as the signaling compo- nents , e.g. the SS7 (SS7, Signalling System number 7) for signaling, in which case the different signaling interfaces required by the communication may be matched.
  • the gateway GW comprises also the necessary software (e.g. the service creation, execution and management environment, descriptions of services).
  • the gateway GW comprises the signaling protocols (INAP, MAP, TCAP, TCP/IP, SM-TP; in which INAP is the Intelligent Network Application Part, i.e. the protocol needed in the performing of applications between the networks, MAP is the Mobile Application Part, i.e. the network signaling of the GSM, TCAP is the Transaction Capabilities Application Part, TCP/IP is the Transmission Control Protocol, the Internet Protocol is the protocol needed in the controlling of data transfer and in the Internet transmission, and the SM-TP is the Short Message Transfer Protocol, i.e. the protocol needed in the transmission of short mes- sages.
  • INAP Intelligent Network Application Part
  • MAP the Mobile Application Part
  • TCAP is the Transaction Capabilities Application Part
  • TCP/IP is the Transmission Control Protocol
  • the Internet Protocol is the protocol needed in the controlling of data transfer and in the Internet transmission
  • SM-TP is the Short Message Transfer Protocol, i.e. the protocol needed in the transmission of short mes- sages.
  • the gateway GW is connected to the short message service center SMSC and to the database DB.
  • the gateway GW receives the short message from the short message service center SMSC and ana- lyzes the short message.
  • the dialing of the subscriber contains significant identification information that is compared with the information included in the database of the gateway GW. Af- ter the aforementioned identification, the database block 2 of the gateway GW is used to check in the database DB, based on the blocking definitions, whether the subscriber is entitled to send the short message.
  • the signaling block 3 arranged in the gateway GW that is used to send the signals needed in the blocking of the transmission of the short message between the first and the second signal interface, conforming to the aforementioned protocols.
  • the recipient of the short message may also himself/herself define a blocking for one ore more senders (A-subscriber) . Based on the blocking, the transmission of short messages coming from the A- subscribers to the mobile station of the B-subscriber is blocked.
  • the database DB is external or internal.
  • the external database is e.g. a home location register HLR.
  • the database DB is based on the functionality of the interface between the home location register HLR and the visitor location register VLR, in which case from the point of view of the operator of the home network, the home location register (HLR, Home Location Register) func- tions as the master database.
  • the saving block 4 of the gateway GW is used to attach the blocking definitions of the short message to the blocking information located in the home location register HLR, defined by the operator.
  • the aforementioned database DB is located in the mobile services switching center MSC, gateway GW or in the short message service center SMSC.
  • Fig. 2 is one advantageous signaling diagram illustrating the function of the present invention.
  • the short message is sent from the terminal device MSI to the mobile services switching center MSC, arrow 20.
  • the short message is transmitted from the mobile service switching center MSC to the short message service center SMSC, arrow 21.
  • the short message service cen- ter receives the short message, analyzes it and sends only those short messages to the gateway GW that based on the analysis are among the short messages to be transmitted further on, arrow 22.
  • the gateway GW receives the short message and checks by a database query in the database DB whether the subscriber is entitled to send the short message, arrow 23. At this point, the signaling block of the gateway GW takes care of the compatibility of the traffic between the first and the second signal interface SRP1,SRP2.
  • the first signal interface SRP1 is used to mean the interface between the gateway GW and the short message service center SMSC.
  • the second signal interface SRP2 is used to mean the interface between the gateway GW and the database DB .
  • the database query of the gateway GW may be made by using, e.g. a structured query language (SQL, Structured Query Language) .
  • SQL Structured Query Language
  • the gateway GW gets the subscriber information back that shows whether the subscriber is entitled to send a short message or whether the transmis- sion is blocked, arrow 24. If there is no blocking of transmission defined for the subscriber, then the transmission is allowed, arrow 25. If the transmission is blocked, a notification of the blocking of the transmission is sent from the gateway GW to the mobile services switching center MSC, arrow 26. This notification about the blocking of the transmission may be sent by a short message, USSD (Unstructured Supplementary Service Data) or by some other suitable mechanism.
  • USSD Unstructured Supplementary Service Data
  • the A-subscriber sends a MO short message (MO, Mobile Originated) to the B-subscriber.
  • MO Mobile Originated
  • the short message is transmitted to the short message service center SMS-C, arrow 1.
  • the short message service center SMS-C retrieves the routing information of the B-subscriber from the home location register HLR, e.g. by a SRI for SMS message (SRI, Send Routing Info) , arrow 2.
  • the home location register HLR sends the address of the mobile services switching center in response to the query.
  • the home location register HLR there is the SMS blocking service activated based on the B- subscriber information.
  • the home location register HLR does not return the address of the normal mobile services switching center, instead it returns the address of the gateway GW to the short message service center SMS-C, arrow 3.
  • the short message sent by the A-subscriber is in this way directed to the gateway GW by a Forward SM MT message (MT, Mobile Terminated), arrow 4.
  • the gateway GW does a search to the database DB based on the B-subscriber information, arrow 5.
  • the database DB returns to the gateway GW the result of the fact of whether the A- subscriber information could be found on the list connected with the B-subscriber, arrow 6. If the A- subscriber information could be found on the list, the short message is not transmitted to the B-subscriber.
  • the gateway GW sends a SRI for SM message to the gateway GW, arrow 7.
  • the gateway GW gets the routing information of the B- subscriber from the home location register HLR, arrow 8.
  • a SRI message may be used (SRI, Send Routing Info) . If a SRI query was used for receiving the routing information from the home location register HLR, then the home location register HLR recognizes that the message comes from the gateway GW and returns the routing information of the B-subscriber to the gateway GW, arrow 8.
  • the home location register HLR would check whether to return the address of the gateway GW or the address of the right mobile services switching center. The fact of which one of the addresses is wanted may be shown, e.g. by means of one bit .
  • the gateway GW sends a Forward SM message to the mobile services switching center MSC, arrow 9.
  • the mobile services switching center MSC transmits the short message further to the B- subscriber, arrow 10.
  • the operator When the client orders a blocking service, the operator creates for the client an information field in the database DB .
  • the client may also himself/herself add or eliminate telephone numbers from the blocking service. This may be done e.g. by way of a www user interface arranged for the client.
  • the operation of the gateway GW may be provided with different functions connected with short messages.
  • the blocking service may send a notification of a blocked short message to the sender of the short message, save the message for a later delivery, etc.
  • the short message blocking service may concern normal subscriber numbers as well as service numbers.
  • Fig. 4 is one advantageous signaling diagram illustrating the function of the present invention.
  • the A-subscriber sends a MO short message (MO, Mobile Originated) to the B-subscriber.
  • MO Mobile Originated
  • the short message is transmitted to the short message service center SMS-C, arrow 1.
  • the short message service center SMS-C re- trieves the routing information of the B-subscriber from the home location register HLR, e.g. by a SRI for SMS message (SRI, Send Routing Info), arrow 2.
  • SRI Send Routing Info
  • the home location register HLR sends the address of the mobile services switching center MSC, arrow 3.
  • the short message is transmitted in response to the query to the mobile services switching center MSC, arrow 4.
  • the mobile services switching center MSC is informed of the fact of whether there are any special measures to be taken for the short message traffic to be transmitted to the B- subscriber.
  • the user information relating to the B- subscriber is retrieved from the home location register HLR when the B-subscriber enters the area of the aforementioned mobile services switching center MSC.
  • the user information of the B-subscriber is preferably saved in the visitor location register VLR (VLR, Visitor Location Center) located in conjunction with the mobile services switching center MSC.
  • VLR Visitor Location Center
  • the gateway GW does a search to the database DB based on the B-subscriber information, arrow 6.
  • the database DB returns to the gateway GW the result of the fact of whether the A-subscriber information could be found on the list connected with the B-subscriber, arrow 6. If the A-subscriber information could be found on the list, the short message is not transmitted to the B-subscriber. If the A-subscriber informa- tion could not be found on the list, the gateway GW returns the short message to the mobile services switching center MSC.
  • the mobile services switching center MSC recognizes that the short message came from the gateway GW and transmits the short message further to the B-subscriber, arrow 9.
  • client A does not want to receive short messages from her ex- boyfriend.
  • the client determines in the services that short messages coming from the telephone number of her ex-boyfriend are not transmitted to her.
  • the client may herself determine the duration of the service.
  • client B does not want to receive short messages from his/her work colleagues during his/her vacation.
  • the client determines in the service all those telephone numbers for which s (he) wishes to have the short message blocking. In that case, the client does not receive short messages connected with work during his/her vacation.
  • the short messages not transmitted may be saved to the service.
  • the sender of the short message may also be notified of the fact that the short mes- sages were not delivered to the recipient.

Abstract

The invention relates to a method and a system of controlling the use of a short message service in a telecommunication system comprising a telecommunication network (MNS), a terminal device (MS), by which the subscriber is connected to the aforementioned telecommunication network (MNS), a mobile services switching center (MSC) which is connected to the aforementioned telecommunication network (MNS), a gateway (GW) which is connected to the aforementioned telecommunication network (MNS), a short message service center (SMSC) which is connected to the aforementioned gateway (GW), a database (DB) which is connected to the aforementioned gateway (GW). In the invention, it is checked whether a short message is among non-allowed short messages. After the checking, the accepted short messages are directed to the gateway (GW). From the gateway (GW), a query is made by a database block (2) to the database inquiring whether the subscriber is entitled to send the short message.

Description

Method for blocking the use ofa service in a telecommunication system
The present invention relates to telecommunication technique. In particular, the invention relates to a method of controlling the use of a short message service in a telecommunication system comprising a telecommunication network, a terminal device, by which the subscriber is connected to the telecommunication net- work, a mobile services switching center which is connected to the telecommunication network, a gateway which is connected to the telecommunication network and which comprises functions connected with the transmission of traffic, a short message service cen- ter which is connected to the gateway, a database which is connected to the gateway and to which subscriber information may be saved. The method in accordance with the invention enables one to block the transmission of short messages sent to a certain nu- merical space, containing a certain search word as well as a certain information content.
BACKGROUND OF THE INVENTION
Mobile communication networks, such as digi- tal GSM networks (GSM, Global System for Mobile Communications) , have become very popular in a big part of the world. The advantage of the mobile communication networks as compared to traditional fixed telephone networks is the air interface between the terminal de- vice and the actual network that enables a wide- ranging mobility.
Since the introduction of the digital mobile networks, the services provided have included a short message service (SMS, Short Message Service) . In the short message service, the user of a mobile station may send a short message that contains up to 160 char- acters from his/her mobile station, e.g. to another user of a mobile station who has got a terminal device capable of receiving a short message. The short message is transmitted in an air interface outside the actual speech time slots. This enables one to receive short messages, although there would be a call going on at the moment of receipt .
At present, the short messages have become very popular among the subscribers, and the operators have developed a remarkable number of short messages for additional charges. This means in practice that a certain area is allocated from the numerical space for these services. Technically this means that separate analyses are generated in the short message service center for these numbers. Based on these analyses, the short messages are transmitted further on.
The short message service has been activated for a certain subscriber or it has not been activated. At present, the transmission system of short messages does not enable the blocking of short message service based on the B- subscriber number or certain search word.
The objective of the invention is to eliminate the problem referred to above. One specific ob- jective of the invention is to disclose a new kind of method and system that enable one to block the transmission of short messages addressed to a certain numerical space, containing a certain search word as well as a certain information content.
BRIEF DESCRIPTION OF THE INVENTION
In the background of the invention there is the idea that if one starts to merchandise short messages for additional charges, then some authorities of the telephone traffic may require the building of a blocking service connected with them. In the same way as certain telephone numbers may be blocked, if re- quired, also certain short messages would be blocked as well. The objective of the invention is to enable the required blocking.
The present invention is used for the con- trolling of the use of short message services as a functionality of the network in such a way that there is a SMS barring and a subscriber-specific database installed in the network. The database contains information on whether there is a blocking of transmission defined for a certain subscriber. If there is a blocking defined, then the SMS barring has to be able to judge, based on the information included in the database and on the destination number of the short message or on the possible search word included in it, whether the sending of a short message is allowed for the subscriber in question. If the subscriber is not entitled to use the aforementioned service, then the short message is not transmitted further on.
The invention relates to a method and a sys- tem of controlling a short message service in a mobile communication system comprising a telecommunication network, a terminal device, by which the subscriber is connected to the telecommunication network, a mobile services switching center which is connected to the telecommunication network, a gateway which is connected to the telecommunication network and which comprises functions connected with the transmission of traffic, a short message service center which is connected to the gateway, a database which is connected to the gateway and to which subscriber information may be saved. In addition, the system in accordance with the invention comprises a first and a second signal interface in the environment of the gateway. The operation of the gateway has been arranged so that the communication between the different network components via the first and second signal interface is possible. In the method, a short message is created and the short message is sent as a short message to the telecommunication network. The short message is routed to the short message service center, in which the short messages arrived are checked, i.e. whether they are among non-allowed short messages. From the short message service center, only those short messages are sent to the gateway that in response to the checking are among those that will be sent further on. After this, it is checked in the database included in the gateway whether the subscriber is entitled to send the short message. In case it is stated, in response to the checking, that the transmission of the short message shall be blocked, then the transmission is blocked and the subscriber is informed of the blocking of the transmission of the short message. This notification may be transmitted to the terminal device, e.g. by a short message or a USSD (Unstructured Supplementary Service Data) or by some other suitable mecha- nism.
In one embodiment of the invention, the short message is checked based on the destination number dialed by the subscriber. The short message may also be checked based on its text content . The blocking definitions of a short message may be attached to the blocking information located in the home location register, defined by the operator.
In addition, the invention relates to a system of controlling the use of a short message service in a telecommunication system comprising a telecommunication network, a terminal device, by which the subscriber is connected to the telecommunication network, a mobile services switching center which is connected to the telecommunication network, a gateway which is connected to the telecommunication network and which comprises functions connected with the transmission of traffic, a short message service center which is con- nected to the gateway, and a database which is connected to the gateway and to which subscriber information and different definitions may be saved.
In the system, a checking block is used to check, according to a first checking condition in the short message service center, whether the short message is among non-allowed short messages. After this, if the short message is among non-allowed short messages, then a database block is used to check, based on the blocking definitions, whether the subscriber is entitled to send the short message.
The aforementioned checking block is used to check the short message based on a second checking condition according to the destination number dialed by the subscriber, and the short message is checked based on a third checking condition according to the text content written by the subscriber.
In one embodiment of the system in accordance with the invention, the database is located in the mo- bile services switching center of the A-subscriber, the gateway or the short messages switching center, and the aforementioned components of the mobile communication system check the blocking definitions in the database. The database is an external or internal da- tabase.
In one embodiment of the invention, the database is based on the functionality of the interface between the home location register and the visitor location register, in which case from the point of view of the operator of the home network, the home location register functions as the master database. The purpose is that when the mobile station moves over to the area of a certain mobile services switching center, the information about the blocking of the transmission of the short message is copied from the database to the visitor location register according to normal procedures of the GSM mobile communication system. In one embodiment of the invention, there is a signaling block arranged in the gateway that is used to send the signals needed in the blocking of the transmission of a short message between the first and the second interface.
In one embodiment of the system in accordance with the invention there is a saving block arranged in the system that is used to attach the blocking definitions of the short message to the blocking information located in the home location register (H R, Home Location Register), defined by the operator.
As compared to prior art, the invention provides the advantage that the shared use of modified databases and network elements enables one to control the access rights of short message services based on the subscriber number or a search word.
BRIEF DESCRIPTION OF THE DRAWINGS
In the following section, the invention will be described by the aid of a few examples of its embodiments with reference to the accompanying drawing, in which
Fig. 1 represents one advantageous system in accordance with the invention, Fig. 2 is one advantageous signaling diagram illustrating the function of the present invention,
Fig. 3 is one advantageous flow chart illustrating the function of the present invention, and
Fig. 4 is one advantageous flow chart illus- trating the function of the present invention.
DETAILED DESCRIPTION OF THE INVENTION
The system as shown in Fig. 1 comprises a terminal device MS and a telecommunication network MSN. In this example, the telecommunication network
MSN is a mobile communication network. The terminal device MS is preferably a mobile station. The mobile station MS is connected to the mobile communication network MSN by a radio interface . The system comprises, in addition, a mobile services switching cen- ter MSC, a short message service center SMSC, a gateway GW, a database DB . The mobile services switching center MSC is connected to the mobile communication network MSN and to the short message service center SMSC. The gateway GW is connected to the short message service center SMSC, and the database DB is connected to the gateway GW.
In the short message service center SMSC there is arranged a checking block 1 which is used to check, based on a first checking condition in the short message service center, whether the short message is among non-allowed short messages. The aforementioned checking block 1 is used to check the short message based on a second checking condition according to the destination number dialed by the subscriber. This is to find out whether the short messages are among the messages for additional charges. In addition, the checking block 1 is used to check the short message according to a third checking condition based on the text content written by the subscriber. In ad- dition to the number, the user may have input a search word of the service in the text part of the short message, e.g. the word "balance". By the search word the subscriber may refer to number of services of different prices that have been grouped as being in differ- ent blocking classes.
The gateway GW means in this example a server computer in which there is a piece of software which supports the GSM system and the signaling protocols needed in it. The gateway GW comprises, among other things, the following components and facilities. It contains the databases for the saving of subscriber- specific information as well as the signaling compo- nents , e.g. the SS7 (SS7, Signalling System number 7) for signaling, in which case the different signaling interfaces required by the communication may be matched. The gateway GW comprises also the necessary software (e.g. the service creation, execution and management environment, descriptions of services). In addition, the gateway GW comprises the signaling protocols (INAP, MAP, TCAP, TCP/IP, SM-TP; in which INAP is the Intelligent Network Application Part, i.e. the protocol needed in the performing of applications between the networks, MAP is the Mobile Application Part, i.e. the network signaling of the GSM, TCAP is the Transaction Capabilities Application Part, TCP/IP is the Transmission Control Protocol, the Internet Protocol is the protocol needed in the controlling of data transfer and in the Internet transmission, and the SM-TP is the Short Message Transfer Protocol, i.e. the protocol needed in the transmission of short mes- sages.
In this example, the gateway GW is connected to the short message service center SMSC and to the database DB. The gateway GW receives the short message from the short message service center SMSC and ana- lyzes the short message.
From the point of view of the operator, the dialing of the subscriber contains significant identification information that is compared with the information included in the database of the gateway GW. Af- ter the aforementioned identification, the database block 2 of the gateway GW is used to check in the database DB, based on the blocking definitions, whether the subscriber is entitled to send the short message. In the invention there is a signaling block 3 arranged in the gateway GW that is used to send the signals needed in the blocking of the transmission of the short message between the first and the second signal interface, conforming to the aforementioned protocols.
It is also possible to define in the database DB protocols based on which the sending of the short message to the recipient (B-subscriber) is blocked. The recipient of the short message (B-subscriber) may also himself/herself define a blocking for one ore more senders (A-subscriber) . Based on the blocking, the transmission of short messages coming from the A- subscribers to the mobile station of the B-subscriber is blocked.
In the invention, the database DB is external or internal. The external database is e.g. a home location register HLR. In that case, the database DB is based on the functionality of the interface between the home location register HLR and the visitor location register VLR, in which case from the point of view of the operator of the home network, the home location register (HLR, Home Location Register) func- tions as the master database. In that case, the saving block 4 of the gateway GW is used to attach the blocking definitions of the short message to the blocking information located in the home location register HLR, defined by the operator. The aforementioned database DB is located in the mobile services switching center MSC, gateway GW or in the short message service center SMSC.
Fig. 2 is one advantageous signaling diagram illustrating the function of the present invention. The short message is sent from the terminal device MSI to the mobile services switching center MSC, arrow 20. The short message is transmitted from the mobile service switching center MSC to the short message service center SMSC, arrow 21. The short message service cen- ter receives the short message, analyzes it and sends only those short messages to the gateway GW that based on the analysis are among the short messages to be transmitted further on, arrow 22.
The gateway GW receives the short message and checks by a database query in the database DB whether the subscriber is entitled to send the short message, arrow 23. At this point, the signaling block of the gateway GW takes care of the compatibility of the traffic between the first and the second signal interface SRP1,SRP2. The first signal interface SRP1 is used to mean the interface between the gateway GW and the short message service center SMSC. The second signal interface SRP2 is used to mean the interface between the gateway GW and the database DB .
The database query of the gateway GW may be made by using, e.g. a structured query language (SQL, Structured Query Language) . In response to the database query the gateway GW gets the subscriber information back that shows whether the subscriber is entitled to send a short message or whether the transmis- sion is blocked, arrow 24. If there is no blocking of transmission defined for the subscriber, then the transmission is allowed, arrow 25. If the transmission is blocked, a notification of the blocking of the transmission is sent from the gateway GW to the mobile services switching center MSC, arrow 26. This notification about the blocking of the transmission may be sent by a short message, USSD (Unstructured Supplementary Service Data) or by some other suitable mechanism. Fig. 3 is one advantageous signaling diagram illustrating the function of the present invention. The A-subscriber sends a MO short message (MO, Mobile Originated) to the B-subscriber. The short message is transmitted to the short message service center SMS-C, arrow 1. The short message service center SMS-C retrieves the routing information of the B-subscriber from the home location register HLR, e.g. by a SRI for SMS message (SRI, Send Routing Info) , arrow 2. The home location register HLR sends the address of the mobile services switching center in response to the query. In the home location register HLR there is the SMS blocking service activated based on the B- subscriber information. As a consequence of this, the home location register HLR does not return the address of the normal mobile services switching center, instead it returns the address of the gateway GW to the short message service center SMS-C, arrow 3. The short message sent by the A-subscriber is in this way directed to the gateway GW by a Forward SM MT message (MT, Mobile Terminated), arrow 4. The gateway GW does a search to the database DB based on the B-subscriber information, arrow 5. The database DB returns to the gateway GW the result of the fact of whether the A- subscriber information could be found on the list connected with the B-subscriber, arrow 6. If the A- subscriber information could be found on the list, the short message is not transmitted to the B-subscriber.
If the A-subscriber information could not be found on the list, the gateway GW sends a SRI for SM message to the gateway GW, arrow 7. By this message the gateway GW gets the routing information of the B- subscriber from the home location register HLR, arrow 8. Instead of a SRI for SM message, also a SRI message may be used (SRI, Send Routing Info) . If a SRI query was used for receiving the routing information from the home location register HLR, then the home location register HLR recognizes that the message comes from the gateway GW and returns the routing information of the B-subscriber to the gateway GW, arrow 8. Instead, if a SRI for SM message would be used, the home location register HLR would check whether to return the address of the gateway GW or the address of the right mobile services switching center. The fact of which one of the addresses is wanted may be shown, e.g. by means of one bit . The gateway GW sends a Forward SM message to the mobile services switching center MSC, arrow 9. The mobile services switching center MSC transmits the short message further to the B- subscriber, arrow 10.
When the client orders a blocking service, the operator creates for the client an information field in the database DB . The client may also himself/herself add or eliminate telephone numbers from the blocking service. This may be done e.g. by way of a www user interface arranged for the client. In addition, the operation of the gateway GW may be provided with different functions connected with short messages. The blocking service may send a notification of a blocked short message to the sender of the short message, save the message for a later delivery, etc. The short message blocking service may concern normal subscriber numbers as well as service numbers.
Fig. 4 is one advantageous signaling diagram illustrating the function of the present invention. The A-subscriber sends a MO short message (MO, Mobile Originated) to the B-subscriber. The short message is transmitted to the short message service center SMS-C, arrow 1. The short message service center SMS-C re- trieves the routing information of the B-subscriber from the home location register HLR, e.g. by a SRI for SMS message (SRI, Send Routing Info), arrow 2. In response to the query, the home location register HLR sends the address of the mobile services switching center MSC, arrow 3. The short message is transmitted in response to the query to the mobile services switching center MSC, arrow 4. Based on the user information of the B-subscriber, the mobile services switching center MSC is informed of the fact of whether there are any special measures to be taken for the short message traffic to be transmitted to the B- subscriber. The user information relating to the B- subscriber is retrieved from the home location register HLR when the B-subscriber enters the area of the aforementioned mobile services switching center MSC. The user information of the B-subscriber is preferably saved in the visitor location register VLR (VLR, Visitor Location Center) located in conjunction with the mobile services switching center MSC. In this example, there is the SMS blocking service activated in the user information of the B-subscriber. Because of this, the short message is directed further to the gateway GW, arrow Ξ.
The gateway GW does a search to the database DB based on the B-subscriber information, arrow 6. The database DB returns to the gateway GW the result of the fact of whether the A-subscriber information could be found on the list connected with the B-subscriber, arrow 6. If the A-subscriber information could be found on the list, the short message is not transmitted to the B-subscriber. If the A-subscriber informa- tion could not be found on the list, the gateway GW returns the short message to the mobile services switching center MSC. The mobile services switching center MSC recognizes that the short message came from the gateway GW and transmits the short message further to the B-subscriber, arrow 9.
In one embodiment of Fig. 3 or 4, client A does not want to receive short messages from her ex- boyfriend. The client determines in the services that short messages coming from the telephone number of her ex-boyfriend are not transmitted to her. The client may herself determine the duration of the service.
In one embodiment of Fig. 3 or 4 , client B does not want to receive short messages from his/her work colleagues during his/her vacation. The client determines in the service all those telephone numbers for which s (he) wishes to have the short message blocking. In that case, the client does not receive short messages connected with work during his/her vacation. The short messages not transmitted may be saved to the service. The sender of the short message may also be notified of the fact that the short mes- sages were not delivered to the recipient.
The invention is not restricted merely to examples of its embodiments, instead many variations are possible within the scope of the inventive idea.

Claims

1. A method of controlling the use of a short message service in a telecommunication system comprising the steps of : routing the short message included in the terminal device to the short message service center (SMSC) ; and transmitting the short message further to the destination number defined in it; c h a r a c t e r i z e d in that the method further comprises the steps of : checking before transmitting the short message whether the short message is among non-allowed short messages; if the short message belongs to the aforementioned group, then it is checked in the database (DB) whether the subscriber is entitled to send the short message, if in response to the aforementioned checking it is stated that the subscriber is not entitled to send the short message, then the transmission of the short message is blocked, and the subscriber is notified of the blocking of the transmission of the short message.
2. The method according to claim 1, c h a r a c t e r i z e d in that the short message is checked according to the destination number dialed by the subscriber.
3. The method according to claim 1 or 2 , c h a r a c t e r i z e d in that the short message is checked according to the text content written by the subscriber.
4. The method according to claim 1, 2 or 3, c h a r a c t e r i z e d in that the blocking defini- tions are attached to the blocking information located in the home location register (HLR) , defined by the operator.
5. The method according to claim 1, 2, 3 or 4, c h a r a c t e r i z e d in that the recipient of the short message defines the senders the transmission of short messages sent by whom is blocked to the re- cipient .
6. The method according to claim 5, c h a r a c t e r i z e d in that the blocking definition of the transmission of short messages is done by way of the www user interface.
7. A system of controlling the use of a short message service in a telecommunication system comprising: a telecommunication network (MSN) ; a terminal device (MS) by which the sub- scriber is connected to the aforementioned telecommunication network (MSN) ; a mobile services switching center (MSC) which is connected to the telecommunication network (MSN) ; a gateway (GW) which is connected to the aforementioned telecommunication network (MSN) and which comprises functions connected with the transmission of traffic; a short message service center (SMSC) which is connected to the aforementioned gateway (GW) ,- a database (DB) which is connected to the aforementioned gateway (GW) and to which subscriber information and different definitions have been saved; c h a r a c t e r i z e d in that the system further comprises: a checking block (1) which is used to check, based on a first checking condition, in the short message service center (SMSC) whether the short message is among non-allowed short messages; and a database block (2) which is used to check in the database (DB) based on the blocking definitions whether the subscriber is entitled to send the short message .
8. The system according to claim 7, c h a r a c t e r i z e d in that the aforementioned checking block (1) is used to check the short message, based on a second checking condition, according to the destination number dialed by the subscriber.
9. The system according to claim 7 or 8, c h a r a c t e r i z e d in that the aforementioned checking block (1) is used check the short message, based on a third checking condition, according to its text content .
10. The system according to claim 7, c h a r a c t e r i z e d in that the database (DB) has been arranged in the mobile services switching center (MSC) , gateway (GW) or the short message service center (SMSC) .
11. The system according to claim 7 or 10, c h a r a c t e r i z e d in that the database (DB) is an external or internal database.
12. The system according to claim 7, 10 or 11, c h a r a c t e r i z e d in that the database (DB) is based on the functionality of the interface between the home location register (HLR) and the visitor loca- tion register (VLR) , in which case from the point of view of the operator of the home network, the home location register (HLR) functions as the master database .
13. The system according to claim 7, 8, 9, 10, 11 or 12, c h a r a c t e r i z e d in that the gateway (GW) comprises a signaling block (3) which is used to send the signals needed in the blocking of the short messages between the first and the second signal interface (SRP1, SRP2) .
14. The system according to claim 7, 10, 11,
12 or 13, c h a r a c t e r i z e d in that the system comprises a saving block (4) by which the blocking definitions of the short message are attached to the blocking information located in the home location register (HLR) , defined by the operator.
PCT/FI2001/000354 2000-04-10 2001-04-10 Method for blocking the use of a service in a telecommunication system WO2001078428A1 (en)

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EP01927958A EP1273186B1 (en) 2000-04-10 2001-04-10 Method for blocking the use of a service in a telecommunication system
DK01927958T DK1273186T3 (en) 2000-04-10 2001-04-10 Method of blocking the use of a service in a telecommunications system
DE60111511T DE60111511T2 (en) 2000-04-10 2001-04-10 METHOD FOR BLOCKING THE USE OF A SERVICE IN A TELECOMMUNICATIONS SYSTEM
AU2001254844A AU2001254844A1 (en) 2000-04-10 2001-04-10 Method for blocking the use of a service in a telecommunication system
AT01927958T ATE298175T1 (en) 2000-04-10 2001-04-10 METHOD FOR BLOCKING THE USE OF A SERVICE IN A TELECOMMUNICATIONS SYSTEM
US10/267,164 US6920332B2 (en) 2000-04-10 2002-10-09 System and method for blocking the use of a service in a telecommunication system
US11/511,550 US8078200B2 (en) 2000-04-10 2006-08-28 System and method for blocking the use of a service in a telecommunication system
US13/282,982 US8805350B2 (en) 2000-04-10 2011-10-27 System and method for blocking the use of a service in a telecommunication system
US14/445,266 US9369590B2 (en) 2000-04-10 2014-07-29 System and method for blocking the use of a service in a telecommunication system
US15/177,869 US9730035B2 (en) 2000-04-10 2016-06-09 System and method for blocking the use of a service in a telecommunication system
US15/670,136 US20180063686A1 (en) 2000-04-10 2017-08-07 System and method for blocking the use of a service in a telecommunication system

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FI20000852A FI111681B (en) 2000-04-10 2000-04-10 Blocking against use of a service in telecommunication systems

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ATE298175T1 (en) 2005-07-15
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US20040005881A1 (en) 2004-01-08
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US8078200B2 (en) 2011-12-13
US20180063686A1 (en) 2018-03-01
US6920332B2 (en) 2005-07-19
US9369590B2 (en) 2016-06-14
US20160286369A1 (en) 2016-09-29
US9730035B2 (en) 2017-08-08
US20120046053A1 (en) 2012-02-23
AU2001254844A1 (en) 2001-10-23
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US7450957B2 (en) 2008-11-11
FI20000852A0 (en) 2000-04-10

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