FI115496B - Real-time call data transmission - Google Patents

Description

! 115496

Real-time transmission of call information

Field of the Invention

The invention relates to services provided by a communication network, such as a fixed network and / or a mobile network, in which call information is transmitted and the implementation of which is based on a call state model.

Technology background

To describe the life cycle of a call from the beginning of the call to the end of the call 10, a state model is used in which the call control function (CCF) of the exchange switches the call from one state to another. If you want to respond to a call handled by the call center, for example by providing a service, you must know the call status in real time. A BCSM (Basic Call State Model) designation model has been developed to identify call status. The BCSM defines call states that either detect events or perform predefined actions. In BCSM, the call status is identified by a Detection Point (DP). A trigger and trigger condition can be set on the Havain header. When the call enters the state model state associated with DP and a trigger is set on the DP and the trigger-20 condition is true, that trigger is triggered. The trigger triggers a predetermined set of actions.

: The main idea of the intelligent network is to distinguish between call switching and * »»: call control, since this separation allows for a flexible v, · implementation mode of services. An intelligent network typically includes a single control point and a plurality of switching points. The control point is called SCP (Service Control: * Point). A Service Switching Point (SSP) is a telephone: *: exchange capable of communicating with an SCP.

The call originated by the subscriber is first directed to the nearest SSP.

·. It is assumed that a trigger is set at that particular SSP at that SSP and that the trigger is triggered by a subscriber call. The SSP then communicates with the SCP using a predefined protocol such as INAP (Intelli-Gent Network Application Protocol) and signaling such as common channel signaling (YKM). CAMEL (CAP, CAMEL Application Part), ·, is increasingly used as a protocol between SSP and SCP. CAMEL is a method defined by the ETSL to implement IN services so that the IN services are available to GSM mobile subscribers.

2 115496 The "intelligence" of the intelligent network, i.e., in practice, services are centralized in the SCP, which simplifies service deployment and changes, since service deployment and / or changes are performed in a single SCP exchange instead of multiple SSPs.

5 The SCP can be located either on a stand-alone computer or integrated with an SSP exchange. In the latter case, the SSP is referred to as the Service Switching and Control Point (SSCP). The various methods of implementation have their own known advantages and disadvantages. The invention is in principle independent of the SCP implementation method.

10 Balance machine and balance reminder are examples of services for controlling the terminal.

The balance machine tells you how many unpaid calls and text messages have accrued since your last bill. This uninvoiced part is called the balance. Call and text message costs 15 are updated to reflect the delay, so that the balance reported by the service is usually less than the subscriber's actual balance. The subscriber can listen to his / her balance by calling a specific number. Alternatively, the subscriber may receive the balance via SMS to his mobile station.

The reminder service keeps the subscriber informed about the cost of using the mobile station. When the service is launched, the subscriber selects at least one threshold above which the subscriber receives a reminder. An SMS containing a reminder is automatically sent to the subscriber's mobile station · when the mobile subscriber's operating costs exceed a subscriber's limit.

There are certain drawbacks to the prior art.

The first drawback is that the control of the use of a mobile station or other terminal is sometimes inadequate and is delayed. Due to the delay, possible overuse of the terminal may be reacted too slowly.

Another drawback is the lack of control parameters.

, ·. 30 The parameters are typically limited to the control of telephone charges, although the control of telephone charges is only one form of control.

BRIEF SUMMARY OF THE INVENTION: It is an object of the invention to eliminate the disadvantages of the prior art. Another object of the invention is to enable the implementation of new types of monitoring services.

3, 115496

In new types of monitoring services, it is important that the "controller" receives a monitoring notification almost as soon as the terminal is used. If necessary, both calls made from the terminal and incoming calls to the terminal can be monitored. The terminal may be, for example, a mobile station operating in a mobile network or a telephone or a computer operating in a fixed network. For example, a supervisor is a parent and supervised by his or her child. Some control services based on the inventive method are particularly suited for use by the authorities. The supervisor can therefore be the police and supervise the suspect.

The process of the invention comprises the following steps. Initially, the call control receives the call from the communication network terminal with the call information. If the call triggers the trigger set on the call control, the call is routed to the Intelligent Network Control Point (SCP). The control point retrieves from the memory 15 information based on the call information, a condition set logically associated with at least one of the telephone numbers contained in the call information. The condition set contains at least one notification condition. When the notification condition (s) is met, a control message containing certain information is generated. Finally, the control message is sent through the mediation system to the supervisor control unit. In particular, the mobile station may be used as 20 monitoring units, whereby the monitoring notification is typically a text message. Alternatively, the monitoring notification can be sent via email.

Typical control message text includes both the caller's number · '· and the recipient's number. For example, the control message could include the text: "112233 has been dialed to 445566". · The supervisor may be able to specify what information the control message contains, and the supervisor will receive a control message whenever the condition notification condition: or conditions are met. to be one of the conditions of notice.

The moderator can be offered the ability to specify the notification conditions.

In addition to the method, the invention comprises a system utilizing the method.

BRIEF DESCRIPTION OF THE FIGURES The invention will now be described in more detail with reference to the accompanying drawings, in which: Figure 1 shows the main steps of the method, 4 115496 Figure 2 shows a further step of the method, Figure 3 shows an example of a system utilizing the method

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DETAILED DESCRIPTION OF THE INVENTION

The system of the invention provides a platform for new types of monitoring services where it is important to obtain information as quickly as possible on the use of the terminal or terminals being monitored. It can also be expressed 10 that the monitoring service provides quick information on the activity of the person or persons being monitored. The services can be implemented on a smart network basis or on a call center basis. The following aspects are generally associated with surveillance services.

- What issue or activity is being monitored? 15 - Who is supervised? - When will the control notice be issued? - To whom is the notification addressed, ie who is the moderator? - In what form is the notification sent to the administrator?

The control is directed to the use of the terminal and, consequently, also to the operation of the 20 terminal users. In some cases, monitoring of a person's activity is permitted. For example, parents have the right to control the activities of their minor children. Similarly, the police have the right to monitor on a case-by-case basis: \ * the activities of suspects.

Supervision is based on the near-real-time transmission of call-related surveillance information to the supervisor. Usually some of the monitoring information is call-Γ · ': information such as the recipient's number, but some of the monitoring information may be new information generated by the monitoring service, such as call duration. When a supervised person makes a call or sends a text message, the moderator will receive a call if necessary \ ·. for example, a control message as a text message. The administrator may be given 30 options to specify one or more conditions under which he or she will receive a control notification.

The content of the control notice is usually different for the different control - ,,, ι services. The monitoring message typically includes the caller's number and / or, *. the recipient's number. If there is more than one person to be supervised, the number of the caller is also 35: the necessary information. Sometimes the supervisor is not interested in who the supervised person is calling, but what type of call is involved.

5, 115496

This may include, for example, expensive calls, such as calls to premium rate numbers or international calls. Call duration is useful information, for example, in a monitoring service that allows parents to monitor their children's phone usage. The supervisor may be provided with the ability to determine the content of the control message FIG. 1 illustrates the main steps of the method. In call control, 101 calls originated by the terminal are received, the call records of which include at least the recipient's number. If the call triggers the trigger set on the call control, the call 102 is routed to the smart-10 network control point (SCP). The control point retrieves from memory 104, based on the call information, a condition set associated with at least one of the telephone numbers contained in the call information. This phone number is typically either the caller's number or the recipient's number. The condition set retrieved from memory contains at least one (statement) condition. When condition condition (s) 15 are met, 105, a control message containing 106 predefined data sets is generated. Finally, the control message is sent from the 107 control points via the relay system to the controller control unit.

The trigger is typically set to the caller's number, but it can also be set to the recipient's number.

Alternatively, the trigger can be set so that a) the trigger is triggered by a) all calls to the call center or b) all calls with a specific prefix in the caller's number. In both cases, so-called control points can be used to perform so-called. A-Validation Service, where • I t 'is looking for a caller's number among the numbers being monitored. In addition, or '·· * 25, in the cases a) or b) the so-called control point can be performed.

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: \: B-Validation Service, where the recipient's number is searched from among the supervised • * »numbers. If the caller's number and / or the recipient's number are among the monitored numbers, the call is handled by a specific: monitoring service. Otherwise, the call will continue to operate normally, without any intervention by the monitoring service.

To use this method, you must have * * · * ;;; at least one trigger. Some services that use the method will suffice

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'·; · One trigger. One skilled in the art will recognize that the choice of the observation point (DP) i influences the operation of the method. For example, if the trigger is set to »» »·: * ·. · 35 in the Originating Basic Call State Model (0_BCSM) DP 12, the trigger is triggered when the user of the terminal calls. Similarly, if the 6 115496 trigger is set in 0_BCSM from DP 15, then the trigger will only be triggered when the recipient answers the phone and the call control has established a voice connection between the caller and the recipient.

The triggers are partially set in fixed telephone exchange centers in different ways than in mobile telephone exchange centers. However, also in connection with a mobile communication network, it is possible to speak of "triggering". The trigger 102 in Figure 1 is generally a condition and triggering triggers a condition. The condition is fulfilled if certain information is set in the subscriber's Home Location Register, on the basis of which the incoming and / or terminating call of the subscriber 10 is routed to the IN system. Similarly, the condition is not fulfilled if the information in question is not set in the home location register.

When a mobile subscriber is accessed through a monitoring service, certain information identifying the subscriber-related service is placed in the Home Location Register of that mobile subscriber. The subscriber's incoming and / or outgoing calls are routed to the IN system where the service identified by the information in question is located. In this case, the service is a new type of monitoring service.

Within the same mobile network, the information set in the subscriber's home location register is copied to the visitor location register where the ti-20 broad is currently a guest.

The copying of information set in the home location register between different mobile networks requires the use of a suitable protocol, such as the CAMEL protocol (CAP),

: '·: Jobs. In CAP, information set in the home location register is referred to as O / T-CSI

:; : (Originating / Termining CAMEL Subscriber Information). CAP enables: 25 IN control of, for example, the applicant's (Radiolinja LTD) IN system for travel «*: ·. . when the subscriber is abroad, i.e. the subscriber is a so-called subscriber. roaming subscriber.

! ··. Thus, the monitoring service can be implemented so that the monitoring service operates in many mobile networks and in several countries.

.., The needs of the supervisors and the supervision services are different. If the moderator is a * * # 30 police officer, the moderator may be interested in all calls made and received by the supervised person. If the supervisor is the parent of the child:: · he or she may be particularly interested in the child's expensive calls.

> I ·; 35 The operation of the new type of monitoring services is mainly based on I I f '· The following functions: 7 115496 - Calculating the call duration - Searching for a telephone number prefix in the prefix list - Searching for a telephone number in the telephone number list.

Let us go over the above functions in detail.

FIG. 2 illustrates some possible additional steps of the method that allow the call duration to be calculated. To perform the additional steps, firstly, a trigger must be set in the call control so that the trigger is triggered by the establishment of a voice connection 201. This trigger is the same as the trigger associated with step 101 of Figure 1. The intelligent network management point (SCP) 10 writes the trigger time of the trigger 202 to the memory location and appends 203 that memory location to the received call. Specifically, a memory location may contain, for example, a record containing two information: the trigger trigger and the telephone number associated with the received call. Secondly, performing the additional steps requires that a second trigger is set on the call control 15 so that the trigger is triggered at the end of the speech connection 204. The control point retrieves 205 the memory location associated with the call received by the call information. Since the memory location is typed: a telephone number, the search number uses the telephone number contained in the call information as a search key. Finally, the duration of the first 206 calls is calculated,, ·. the difference between the trigger time of its trigger and the trigger time of the second trigger »·.! '.

i> ·:; * Call duration can thus be calculated and based on the number of the recipient, * * · the cost of the call can be estimated when the call duration is known. '·' · * 25 However, there are many factors that can affect the cost of a call. Price may i \; for example, time of day and / or customer benefits. It is technically difficult to consider numerous price parameters and may lead to errors in price estimation. Therefore, it may not be worthwhile to include call cost information in the monitoring notifications sent to the supervisor.

: 30 The type of call is usually determined by the prefix of the phone number, ie the beginning of the phone number. The recipient's number may include; as a prefix, for example, a foreign area code. Paid telephone services' usually have their own prefixes.

j 35 Prefixes can be formed for monitoring purposes. prefiksilista.

The prefix of the caller's number and / or the recipient's number is then searched from the 8 115496 prefix list. If the prefix is found in the list, the condition is set to a predefined boolean (true or false). For example, a prefix list may include prefixes for paid services, and the condition may be set to true. If this condition is the only condition in the set, then the parent will immediately receive a message from the Supervisor-5 service if his or her child calls the toll-free telephone number.

Recipient numbers can be used to form a recipient list. The recipient's number is then searched for in the recipient list. If the number is found in the list, the condition is set to a predefined boolean (true or false). Correspondingly, caller numbers can be made into a caller list. In this case, the caller's number is searched from the list and a predefined boolean is set if the number is found in the list. A monitoring service with a recipient list and / or a caller list may be useful, for example, to the police. A criminal investigator can make a list of phone numbers that belong to a criminal partner in a criminal organization. When a criminal calls or sends a message, such as a text message, to one of the phone numbers in the list, the forensic investigator receives a surveillance notification at his or her control unit. In addition, a criminal investigator will be notified when a criminal is called from a telephone number on the list. The use of call records in criminal investigations may be a precursor to police interception. The control unit may be, for example, a mobile investigator's mobile station, but the control unit may also be a police information system, · ', -, ·' where the control message is stored.

The monitoring system according to the invention utilizes the method shown in Figure 1:. The monitoring system is thus adapted to receive. 25 call originated by the communication network terminal and the related Call information and to direct the call to the intelligent network management point. In addition, the system is adapted to 1) retrieve from the call information a set of conditions associated with at least one phone number of the call information, 2) ... form a control message according to a predefined set of data and »· ·: '30 3) send a control message from the control point to the controller control unit.

The following are two examples of monitoring systems according to the invention.

Figure 3 shows a control system that allows a mother (or father) to:. monitor calls made by their child. Mother 301 used by child 302

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; ·; The home register of 35 mobile stations has information that causes all calls from the mobile station to be routed to 303 SCP 304. The SCP retrieves 9 115496 mobile station subscriber numbers based on a condition set that includes two conditions: 1) the recipient's number includes a paid service prefix or international call the prefix and 2) the recipient's number is not included in the predefined recipient list and the call length exceeds a certain limit. In these 5 cases, the recipient list contains the telephone number of the child's mother and father. The length of the call is estimated as shown in Figure 2. If at least one of the above conditions 1) or 2) is met, the SCP generates a control message describing the call and sends the control message ASN.1 (Abstract Syntax Notation One) as encoded data to the INhttp server 305 using messages according to the TCP / IP-10 protocol. The INhttp server adds an HTTP frame to the TCP / IP messages and forwards the generated messages using the HTTP protocol to the web server 306. The www server then generates messages according to the MAP protocol from the received messages and sends them to the SMS center 307. The SMS center collects the received messages 15 control notification information, place the information content in a text message and send 308 SMS to the mother.

Thus, in Figure 3, the control message delivery system consists of three devices: an INhttp server 307, a web server 308, and a text messaging center 309. If the INhttp server manages the MAP protocol, the www-20 server is not required, but the INhttp server can communicate directly with text, with the message center. If necessary, the INhttp server or web server can * * * · * '! generates an e-mail message containing the monitoring message and sends it to i · ':': the controller, the mother's mobile. There can be more than one supervisor and ;;; * a control message can be sent in different formats to different supervisors.

25 FIGURE 4 illustrates a control system by means of which a criminal investigator 401 • (monitors a criminal set 402. In this monitoring system, the condition set considered in step 1 of FIG. 105 contains only one condition. The condition is met when a 403 member 403 communicates with another person via transmits information 404 to SCP 405. This communication 30 may take place by making or receiving a call, or by sending or receiving a text message, which will send a forensic investigator a control message 406 as a text message to a mobile device Control message transmission - *; · * The system consists of at least two devices: · The AlP Communicator 407 and the SMS Center 408. The AIP 35 Communicator and the SCP 405 communicate with each other using the INAP protocol. a. If required, the surveillance report can also be sent as an email message to the Criminal Police Surveillance Database 410, where the surveillance report is stored for future use. In this case, the relay system consists of an AlP communication device 407 provided by Siemens 5, a MessagingGateway server 411 provided by Siemens and an SMS exchange 408 such that the AlP communication device and SCP 405 communicate with each other using the INAP protocol and the AlP communication device 4 protocol. In addition, Messaging-Gateway and SMS center communicate using an email protocol such as SMTP (Simple Mail Transfer Protocol) or POP3 (Post Office Protocol, version 3).

In addition to the above two examples, there are several other ways of implementing the control system of the invention. Particularly with regard to the control notification mediation system, there are alternative embodiments 15 which will be apparent to one skilled in the art.

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Claims (24)

115496 The patent claimed another claim A method for controlling the use of communication network terminals, wherein the call control receives a call originated by the terminal, the call 5 information including at least the caller's number, and causing said call triggering a call trigger triggered, the call to an intelligent network management point based on the call information, a condition set attached to at least one telephone number of the call data 10 and, when the condition (s) are fulfilled, generates a control message according to the predetermined data set and transmits the control message from the control point via the relay system 15 to the supervisor control unit. Method according to Claim 1, characterized in that the monitoring unit is a terminal. A method according to claim 1, characterized in that the switching system includes a text message center which transmits the Call information in 20 SMS messages to the monitoring unit. 4. A method according to claim 1, characterized in that the relay system includes an e-mail server which transmits the Call Information: · in an e-mail message to the monitoring unit. A method according to claim 1, characterized in that the trigger is set on the call control so that the trigger is triggered by the establishment of a speech connection, wherein the control point writes the trigger trigger time to the memory location and assigns the memory location to the received call. : V. The method according to claim 5, characterized by * · ··. 30 that a second trigger is set in the call control so that the second trigger is triggered at the end of a speech connection, wherein the control point retrieves a memory location associated with the call received from the call information with the trigger trigger time and calculates the call duration; 35 of the trigger of the second trigger. 12 1 1 5496 A method according to claim 6, characterized by setting a predetermined boolean value to the first condition of the condition set when the call duration reaches a predetermined threshold value. 8. A method according to claim 1, characterized in that at the control point: retrieving a prefix list from the prefix list using the caller's number, searching the prefix list for the recipient's number and setting a predefined boolean value to the second condition of the condition set. 9. A method according to claim 1, characterized in that the control point: retrieves a recipient number from the recipient list using the caller's number, and when a recipient number is found in the list, sets a predefined true value to the third condition of the condition set. The method of claim 1, characterized in that the condition set is modifiable by the supervisor. A method according to claim 1, characterized in that v; that the monitoring message contains at least one of the following information: caller:. '' number, recipient number, call duration, call start time, call termination time, call type, or call event description: * ': 25 text. A method according to claim 1, characterized in that, instead of the call originated by the terminal, the method is applied to the message transmitted by the terminal. s * * · »I, s" 5 «« 13. A system for monitoring the use of communication network terminals, the system being adapted to receive a call originated by the terminal, the call information of which includes at least the caller's number and 5 directing the call to an intelligent network management point (SCP). an attached and stored condition set, and when the condition condition (s) of the condition set are met, generate a control message according to the predefined data set and send the control message from the control point via the relay system to the controller control unit. System according to Claim 13, characterized in that the monitoring unit is a terminal. A system according to claim 13, characterized in that the system includes a text message center which is adapted to transmit the Call information in a text message to the monitoring unit. A system according to claim 13, characterized in that the system includes an email server adapted to transmit call information in an email message to the monitoring unit. i '\: The system of claim 13, characterized in that the trigger is set such that the trigger is triggered to establish a speech connection »::; 25 consequently, with the system adapted; Write the trigger trigger at the memory location, and. to attach a memory location to a received call. A system according to claim 17, characterized in that one trigger is arranged such that the second trigger is triggered at the end of a speech call, the system being adapted to retrieve a call associated with a call received using call information; is the trigger trigger time written, and calculate the call duration from the difference between the trigger trigger time and the second trigger trigger time. ::: 35 14 1 1 5496 The system of claim 18, characterized in that the system is adapted to set a predetermined boolean value to the first condition of the condition set when the call duration reaches a predetermined threshold value. The system of claim 13, characterized in that the system is adapted to retrieve a prefix list from the prefix list using the caller's number, and to set a predetermined truth-10 value in the second condition of the condition set when the prefix is found in the prefix list. The system of claim 13, characterized in that the system is adapted to retrieve a recipient number from the recipient list using the caller's number, and to set a predefined boolean value to the third condition of the set of conditions when the recipient number is found in the list. System according to claim 13, characterized in that the condition set is modifiable by the supervisor. A system according to claim 13, characterized in that the monitoring message contains at least one of the following information: caller number, recipient number, call duration, call start time, call type, call type or text describing the call event. A system according to claim 13, characterized in that instead of the received call, the message sent by the terminal is triggered. controls the system. • k · k · • I i ti · I I · 15 1 1 5496