KR100758674B1 - Method for providing customized information during call setup process in telecommunication systems - Google Patents

Abstract

The present invention replaces the uniform ring tone provided to the caller during the incoming call waiting time after the caller performs the call request, instead of the so-called ring-back tone, classical music, commercials, natural sounds, direct editing. The present invention relates to a method for providing an information using an incoming call waiting time, which can provide a variety of information desired by a called subscriber, such as a sound source, an animation, and a video (defined as call tone replacement information or call tone information). In the present invention, the caller provides predetermined call tone information desired by the called party through interworking between the called party exchange 10-2 and the private exchange 30. That is, when an incoming call is received, the destination exchange 10-2 and the private exchange 30 connect a path so that the ring tone information received from the destination terminal 20-2 is transmitted to the calling terminal 20-1, and the destination terminal ( 20-2) transmits the ring tone replacement information until the called subscriber answers.

Call waiting, ring tone, ringback tone, ring tone replacement information, ring tone information, private exchange

Description

Method for providing customized information during call setup process in telecommunication systems

1 is a system configuration diagram of a general communication network including a private exchange.

2 is a flowchart showing an example of a call processing procedure for the case where the ISDN PRI standard is used between the communication network and the private exchange.

3 is a flowchart illustrating an example of a call processing procedure when the present invention is applied to a communication network in which an ISDN PRI standard is used between a communication network and a private exchange.

4A and 4B are diagrams each showing an example of the structure of an IBI REQUEST message and an IBI RESPONSE message in FIG.

5 is a flowchart showing another example of a call processing procedure when the present invention is applied to a communication network in which an ISDN PRI standard is used between a telephone network and a private exchange.

6A and 6B show examples of structures of an IBI Request Indicator and an IBI Response Indicator in FIG. 5, respectively.

Fig. 7 is a flowchart showing an example of a call processing procedure when the present invention is applied to a communication network in which No. 7 standard is used between a telephone network and a private exchange.

8A and 8B show examples of structures of an IBI Request Indicator and an IBI Response Indicator in FIG. 7, respectively.

9 is a flowchart showing an example of a call processing procedure when the present invention is applied to a mobile communication network.

10A and 10B show examples of structures of an IBI Request Indicator and an IBI Response Indicator in FIG. 9, respectively.

Figure 11 is a block diagram showing the internal configuration of the called terminal 20-2 according to an embodiment of the present invention.

******* Brief description of the main parts of the drawing *******

10: communication network, 10-1 to 10-2: exchanger,

20-1 to 20-2: terminal, 30: private exchange,

31: base station controller.

The present invention relates to a communication system, and in particular, it is possible to provide various information in place of the uniform ring tone, so-called ring-back tone, provided for the caller during the call waiting time after the caller executes the call request. The present invention relates to a method of providing information using an incoming call waiting time.

In general, in a wired communication network such as a public switched telephone network (PSTN) or a wireless communication network such as a mobile communication network, when a caller makes a call and executes a call request, the current call request is executed by providing a caller with a ring-back tone. It will tell you that it is. This response waiting state usually lasts for a few seconds to several minutes since the called party lasts until the called party answers the caller's call by off-hooking.

In view of the above circumstances, there has been an attempt to provide some useful information to the caller during the waiting time after the caller makes a call request and the called party answers. Republic of Korea Patent Publication No. 2000-244 (name: method and device for generating replacement sound of ringback tone selected by called party in incoming / exchange system of wired and wireless communication network) and Patent Publication No. 2001-108937 (name: method of generating call ring tone of mobile communication system) And an apparatus) for a system for providing predetermined information to a caller during the above-mentioned incoming call waiting time.

In the above system, a separate device and system for providing various call tone information to the caller are provided, and the caller is provided to the caller by operating the interworking device with the switch.

Therefore, in the system described above, the introduction of additional devices is required to construct the system, and since the operating software of the exchange constituting the communication network needs to be significantly upgraded, there is a problem in that considerable effort and cost are generated in providing the service.

Accordingly, the present invention has been made in view of the above circumstances, while minimizing the burden on the change of the communication network, the caller needs predetermined information such as music, classical music, advertisements, sounds of nature, etc. Its purpose is to provide a method of providing information using a call response waiting time that can provide information such as a directly edited sound source, animation, and video.

The information providing method using the incoming call waiting time according to the present invention for realizing the above object is a ring tone information for the calling terminal in a communication system comprising a plurality of terminals, a communication network for controlling a connection by a call between terminals and a private exchange. A method for providing a call, comprising: a call originating request step of requesting a call from a calling terminal, a call terminating request step of requesting a call from a communication network to a private exchange in response to a call request from a calling terminal, and the private exchange receiving ring tone information; It is characterized in that the communication network is configured to include a ring tone transmission step for transmitting the ring tone information received from the private exchange to the calling terminal to the communication network.

Hereinafter, an embodiment according to the present invention will be described with reference to the drawings.

First, the basic concept of the present invention will be described with reference to FIG.

1 is a system configuration diagram showing a configuration of an overall communication system to which the present invention is applied.

In the drawing, reference numeral 10 denotes a communication network for providing a communication service between subscribers, such as a mobile communication network, a PSTN, and a VoIP network, for example. The communication network 10 includes a plurality of exchanges 10-1 and 10-2. Reference numeral 30 denotes a private exchange that performs a telephone exchange function of a company, a public institution, or the like. In addition, reference numeral 20 (20-1, 20-2) is coupled to the communication network 10 or the private exchange 30 by wire or wireless so that the user through the communication network 10 or private exchange 30 It is a communication terminal for transmitting and receiving predetermined information.

In FIG. 1, the basic concept of the present invention will be described based on the case where a call request is executed from the terminal 20-1 to the terminal 20-2 in the private exchange 30. When the call request is executed from the terminal 20-1 to the terminal 20-2 in the private switch 30, the switch 10-1 of the communication network 10 becomes the originating switch and the switch 10-2. Becomes the destination exchange. At this time, the source exchange and the destination exchange may be the same exchange, and at least one relay exchange may exist between the originating exchange and the destination exchange, but for simplicity, the system configuration environment as shown in FIG. An embodiment according to the invention will be described.

2 illustrates a general call processing procedure based on an integrated services digital network (ISDN), which is a representative telephone communication network. That is, between the originating terminal 20-1 and the originating exchange 10-1, between the terminating exchange 10-2 and the private exchange 30, and between the private exchange 30 and the terminating terminal 20-2. General call processing procedures will be described for the case where ISDN standard is applied and No.7 ISUP standard is applied between originating exchange 10-1 and destination exchange 10-2.

When the caller executes the call request using the calling terminal 20-1, a setup message (SETUP) including the called number is sent from the calling terminal 20-1 to the calling switch 10-1 as shown in FIG. And the originating exchange 10-1 starts the call originating process by sending a call progress message (CALL PROCEEDING) to the originating terminal 10-1 with respect to the setup message.

Subsequently, the originating exchange 10-1 generates an initial address message (IAM) based on the setup message SETUP and transmits it to the terminating exchange 10-2, and the terminating exchange 10-2 Sending an address complete message (ACM) to the originating exchange 10-1 and sending a setup message (SETUP) to the private exchange 30 to start an incoming call to the private exchange 30. Done.

On the other hand, in the private exchange 30, when the setup message SETUP is received from the destination exchange 10-2, the call exchange message CALL PROCEEDING is sent to the destination exchange 10-2, and the called terminal ( Send a setup message (SETUP) to 20-2). The called terminal 20-2 informs the user that there is a current call request by sending a call progress message (CALL PROCEEDING) to the private exchange 30 with respect to the setup message and driving a predetermined ring generating means (not shown). . The called terminal 20-2 then sends a call message ALERTING indicating that the private exchange 30 is executing the current call. Upon receiving the call message ALERTING, the private exchange 30 sends a call message ALERTING indicating that the destination exchange 10-2 is currently executing the call. The destination exchange 10-2 transmits a predetermined ring tone, so-called ring-back tone, to the calling terminal based on the call message ALERTING to the calling terminal 20-1. You will notice that the call to 2) is in progress.

Then, when the called party off-hooks the called terminal 20-2, the called terminal 20-2 sends a connection message CONNECT indicating that the called party has responded to the private exchange 30. The private exchange 30 sends a connection message CONNECT indicating that the called party has responded to the destination exchange 10-2, and the destination exchange 10-2 sends a response message (to the originating exchange 10-1). ANM: Answer Message). The originating exchange 10-1 executes a call between the calling terminal 20-1 and the called terminal 20-2 by sending a connection message CONNECT indicating that the called party has answered the calling terminal 20-1. You can set the state. In the figure, CONN.ACK is a confirmation message for the connection message (CONNECT).

In a general communication system, when there is a call request from the originating terminal 20-1, the destination exchange 10-2 provides a predetermined ring tone to the originating terminal 20-1 as described above. In some cases, the originating exchange 10-1 may provide a predetermined ring tone for the originating terminal 20-1, and in some cases a separate combination with the originating exchange 10-1 or the destination exchange 10-2. The apparatus for providing a ringing tone may also provide a predetermined ringing tone for the calling terminal 20-1. In the present invention, instead of the above-mentioned exchange or a separate device, the called terminal 20-2 directly makes a ring tone to the calling terminal 20-1 through the interworking of the incoming exchange 10-2 and the private exchange 30. Alternative information will be provided.

In the present invention, interworking between the destination exchange 10-2 and the private exchange 30 and between the private exchange 30 and the destination terminal 20-2 is performed by a method of transmitting and receiving a predetermined message. In this case, transmission and reception of the message may consider a method of using an existing message and a method of defining a new message. Of course, this interlocking operation would be unnecessary if the called terminal 20-2 is always provided to provide ring tone information, and the called exchange 10-2 unconditionally receives the ringing tone received from the called terminal 20-2. Information will be provided to the calling party.

When the called terminal 20-2 provides the ring tone information as described above, it is possible to provide the following various communication services to the called party.

1) The called party can provide the caller with the desired ring tone information. The call tone information may include various information such as songs, classical music, advertisements, natural sounds, direct edited sound sources, animations, and videos instead of the existing simple call sounds.

2) When the communication network 10 provides the calling party number to the called terminal 20-2, for example, the calling party number displaying service, the called terminal 20-2 selectively receives the ring tone information corresponding to the calling number. It becomes possible to provide.

3) In the case where the called party cannot answer the phone due to circumstances, the called party can arbitrarily set and provide various guide information for the incoming call from the calling party.

3 is a flowchart showing an example of a call procedure for the case where the present invention is applied to ISDN, in particular, between the destination exchange 10-2 and the private exchange 30, and the private exchange 30 and the destination terminal 20-2. In this case, a separate message is defined and interworked with each other, and the ringing terminal 20-2 provides ring tone information.

In FIG. 3, when the setup message SETUP is received from the destination exchange 10-2, the private exchange 30 sends a call progress message CALL PROCEEDING to the destination exchange 10-2. The setup message SETUP is transmitted to the terminal 20-2. The called terminal 20-2 transmits a call progress message CALL PROCEEDING to the private exchange 30 in response to the setup message, and then determines whether the call tone information transmitting function is activated. If activated, the called terminal 20-2 itself sends an In-Band Information (IBI REQUEST) message indicating that it intends to transmit the ring tone information directly to the calling terminal 20-1. To). The private exchange 30 receiving the IBI REQUEST transfers this message to the destination exchange 10-2.

4A shows an example of the structure of the IBI REQUEST, which follows the message structure of the ITU-T Q.931 standard. In FIG. 4A, the IBI request message is provided with a protocol identifier of 1 byte, a call reference number of 2 to 3 bytes, and a message type of 1 byte of message type as usual. The message type information will be assigned a unique value indicating that the message is an IBI REQUEST. And this includes the IBI Request Indicator. This IBI request indicator includes the name of the information element (Element Identifier), the length indicator (Length Indicator) of the information element and the IBI request information. This IBI request information may include type information of the ring tone information provided by the called terminal 20-2.

The destination exchange 10-2 receives an IBI request message (IBI RESPONSE) indicating whether to permit or reject the transmission of the ring tone information from the private exchange 30 side when an IBI request message (IBI REQUEST) is received from the private exchange 30. ) Is generated and transmitted to the private exchange 30. At this time, whether to allow the transmission of the ring tone information is determined according to whether the called terminal 20-2 is registered in the corresponding service, and the determination of whether to register the service is performed by inquiring the subscriber profile information as in the usual method. .

The destination exchange 10-2 stores the inquiry result in a memory, and when it is determined that the ringing tone information transmission by the called terminal 20-2 is impossible, the called terminal 20-2 is sent to the private exchange 30. Transmits an IBI response message (IBI RESPONSE) that refuses to transmit the ring tone information, and transmits the ring tone by the called terminal 20-2 to the private exchange 30 when it is determined that the ring tone information can be provided. IBI response message (IBI RESPONSE) is sent. Upon receiving the IBI RESPONSE, the private exchange 30 stores the ring tone transmission information in the memory and delivers the message to the called terminal 20-2.

When the called terminal 20-2 receives an IBI response message (IBI RESPONSE) allowing the ring tone information transmission from the private exchange 30, the called terminal 20-2 drives the ring generating means and the private exchange 30 Sends a call message (ALERTING) indicating that a call is currently in progress. Subsequently, the called terminal 20-2 outputs the predetermined ring tone information stored therein and transmits it to the private exchange 30. At this time, the call tone information may include various information such as song, classical music, advertisement, natural sound, directly edited sound source, animation, video, as described above. 20-2).

On the other hand, when the receiving terminal 20-2 receives an IBI response message (IBI RESPONSE) from the private exchange 30, which rejects the transmission of the ring tone information, the receiving terminal 20-2 drives the ring generating means and calls the call message ( A call processing procedure is then performed. Of course, in this case, the called terminal 20-2 may provide the user with the guidance that the transmission of the ring tone information has been denied. And the subsequent procedure is carried out according to a conventional method.

4B illustrates an example of a structure of an IBI response message (IBI RESPONSE) according to the ITU-T Q.931 standard. In FIG. 4B, the IBI RESPONSE basically includes a protocol identifier, a call reference number, and message type information as in FIG. 4A. The message type information will be assigned a unique value indicating that the message is an IBI RESPONSE. This includes the IBI Response Indicator and Display information. The IBI response indicator includes the name of the information element, the length information of the information element and the IBI response information. The IBI response information basically includes information indicating whether to allow or reject the transmission of the ring tone information by the called terminal 20-2, and optionally, the information indicating the type of the ring tone information allowed to be transmitted. have. In addition, the display information is information to be displayed through the display means of the called terminal 20-2. The display information may include a calling number or the like, and may also include information indicating that the call tone information transmission is rejected or allowed. .

When the call message ALERTING is received from the called terminal 20-2, the private exchange 30 delivers the message to the called exchange 10-2 and reads out the ring tone transmission information stored in the memory. If the ring tone transmission information is to allow the ring tone transmission, the ring tone information received from the called terminal 20-2 is received by connecting the traffic path from the called terminal 20-2 to the called exchange 10-2. To be transferred toward the exchanger 10-2.

When a call message (ALERTING) is received from the private exchange 30, the destination exchange 10-2 reads out the ring tone transmission information stored in the memory. If the ring tone transmission information is to reject the ring tone transmission, the destination exchange 10-2 itself provides the ring tone to the calling terminal 20-1 according to a conventional method. Subsequent treatment procedures follow conventional procedures.

On the other hand, if the ring tone transmission information allows the ring tone transmission, the ring tone information received from the terminating terminal 20-2 by connecting the traffic path from the private exchange 30 to the originating exchange 10-1 is transmitted to the originating exchange 10. -1) to be delivered in the direction. Of course, in this case, the destination exchange 10-2 blocks the traffic channel from the originating terminal 20-1 to the private exchange 30 so that the caller and the called party can talk to each other during the ring tone providing time. It would be desirable to prevent. Thereafter, when the user off-hooks the called terminal 20-2, the called terminal 20-2 stops the transmission of the ring tone information and transmits a connection message (CONNECT) to the private exchange 30. The treatment procedure follows the usual procedure.

That is, in the above system, when there is a call request from the originating terminal 20-1 to the terminating terminal 20-2 in the private exchange 30, the terminating exchange 10 is sent to the originating terminal 20-1. Rather than -2), the called terminal 20-2 transmits the ring tone information.

In the above-described system, since the destination exchange 10-2 only needs to execute a process of transmitting the ring tone information provided from the private exchange 30 to the calling terminal 20-1, the system is added separately in the communication network. Of course, it is possible to provide the caller with the desired ring tone information without significantly changing the program of the existing communication network.

5 is a flowchart showing another example of a call procedure when the present invention is applied to ISDN, which is between the destination exchange 10-2 and the private exchange 30 and between the private exchange 30 and the destination terminal 20-2. ) Shows an example of interworking using existing messages.

In FIG. 5, when the recipient exchange 10-2 receives an initial address message (IAM) from the originating exchange 10-1, the called exchange 10-2 queries the subscriber profile information based on the called number to determine whether the called party is subscribed to the ring tone information providing service. In addition, it is determined what type of ring tone information is allowed. As a result of this determination, when the called party is a service subscriber, the setup message SETUP including the IBI Request Indicator is transmitted to the private exchange 30. Here, the IBI request indicator may be provided only when a call is received by a member subscribed to the service.

6A shows an example of the structure of an IBI request indicator included in a setup message (SETUP). In FIG. 6A, the IBI request indicator includes an element identifier of an information element indicating that the information element is an IBI request indicator, length information of an information element indicating the length of all information elements, and an IBI request requesting transmission of ring tone information. Information is included. In addition, the IBI request information may include a ring tone information type for guiding the type of information that can be transmitted as ring tone information.

On the other hand, when the private exchange 30 receives a setup message (SETUP) including an IBI request indicator from the destination exchange 10-2, the private exchange 30 receives a setup message (SETUP) including the IBI request indicator. It is transmitted to the called terminal 20-2.

Upon receiving the setup message (SETUP) including the IBI request indicator, the called terminal 20-2 determines whether it can provide ring tone information, and based on this, the IBI response indicator in the call progress message (CALL PROCEEDING) is determined. (IBI Response Indicator) is included and transmitted to the private exchange 30. The determination of whether or not the call tone information can be provided is determined based on whether the call tone information transmission function is currently set in the terminal and whether the call tone information is available for transmission.

The private exchange 30 receiving the CALL PROCEEDING including the IBI Response Indicator stores the IBI Response Indicator information in memory and stores the IBI Response Indicator information in the memory. The call progress message (CALL PROCEEDING) including the IBI Response Indicator is transmitted to the destination exchange 10-2.

6B illustrates an example of the structure of an IBI response indicator included in a call progress message. In FIG. 6B, the IBI response indicator indicates whether or not to transmit the name of the information element (Element Identifier) indicating that the information element is the IBI response indicator, the length information of the information element indicating the length of the entire information element, and the ring tone information IBI response information indicating a negative is included. In addition, the IBI response information may include detailed information for indicating the type of ring tone information to be provided.

The destination exchange 10-2 receiving the call progress message CALL PROCEEDING including the IBI Response Indicator stores the IBI Response Indicator information in the memory.

On the other hand, after the called terminal 20-2 sends the call proceeding message CALL PROCEEDING to the private exchange 30, it operates the predetermined ring generating means in the same manner as the normal processing procedure. In addition to the notification to the private exchange 30 to send a call message (ALERTING). When the called terminal 20-2 itself provides the ring tone information, the called terminal 20-2 reads out the predetermined ring tone information stored therein and transmits the ring tone information to the private exchange 30.

When the private exchange 30 receives the call message ALERTING from the called terminal 20-2, the private exchange 30 transmits a call message ALERTING to the destination exchange 10-2 and reads out the ring tone transmission information stored in the memory. . If the ring tone transmission information is to allow the ring tone transmission, the ring tone information received from the called terminal 20-2 is connected by connecting the traffic path from the called terminal 20-2 to the called exchange 10-2. To be delivered in the (10-2) direction.

When a call message (ALERTING) is received from the private exchange 30, the destination exchange 10-2 reads out the ring tone transmission information stored in the memory. If the ring tone transmission information is to reject the ring tone transmission, the destination exchange 10-2 itself provides the ring tone to the calling terminal 20-1 according to a conventional method. Subsequent treatment procedures follow conventional procedures.

On the other hand, if the ring tone transmission information allows the ring tone transmission, the ring tone information received from the terminating terminal 20-2 by connecting the traffic path from the private exchange 30 to the originating exchange 10-1 is transmitted to the originating exchange 10. -1) to be delivered in the direction. Of course, in this case, the destination exchange 10-2 blocks the traffic channel from the originating terminal 20-1 to the private exchange 30 so that the caller and the called party can talk to each other during the ring tone providing time. It would be desirable to prevent. Thereafter, when the user off-hooks the called terminal 20-2, the called terminal 20-2 stops the transmission of the ring tone information and transmits a connection message (CONNECT) to the private exchange 30. The treatment procedure follows the usual procedure.

In this embodiment, the ring tone information transmission service by the called terminal 20-2 can be executed by using the setup message SETUP and the call progress message CALL PROCEEDING. Therefore, in the present embodiment, the call connection may be delayed due to the addition of messages transmitted and received between the destination exchange 10-2 and the private exchange 30 and between the private exchange 30 and the destination terminal 20-2. Is removed.

On the other hand, Figure 7 shows an example in which the present invention is applied to the network structure in which the ISUP protocol is used between the destination exchange 10-2 and the private exchange 30, which is the destination exchange 10-2 and the private exchange ( 30) is an example of interworking using an existing message.

In Fig. 7, the destination exchange 10-2 that has received the initial address message IAM from the originating exchange 10-1 inquires subscriber profile information based on the called number so that the called party can access the ring tone information transmission service. It determines whether it is subscribed, and selectively determines what type of ring tone information is allowed. As a result of this determination, when the called party is a service subscriber, it transmits an address completion message (ACM) to the originating exchange 10-1 and transmits an initial address message (IAM) including an IBI request indicator to the private exchange 30. do. 8A shows an example of the structure of an IBI request indicator included in an initial address message (IAM). In FIG. 8A, the IBI request indicator includes an element identifier of an information element indicating that the information element is an IBI request indicator, length information of an information element indicating the length of all information elements, and an IBI request requesting transmission of ring tone information. Information is included. In addition, the IBI request information may also include a ring tone information type for guiding the type of information that can be transmitted as ring tone information. It would be desirable to provide the IBI request indicator selectively only when a call is received by a member who has subscribed to the service.

On the other hand, upon receiving the initial address message (IAM) including the IBI request indicator from the destination exchange 10-2, the private exchange 30 receives the setup message (SETUP) including the IBI request indicator for the called terminal 20-2. ).

The called terminal 20-2 determines whether the call tone information sending function is currently activated for the setup message, and when the call tone information sending function is activated, the called terminal 20-2 transmits the call tone information directly. A call progress message (CALL PROCEEDING) containing an IBI response indicator indicating the willingness to send is sent to the private exchange 30. On the other hand, if the call tone information transmission function is not activated, the call exchange message (CALL PROCEEDING) including an IBI response indicator indicating that the called terminal 20-2 itself does not transmit the call tone information. To).

Upon receiving the call progress message (CALL PROCEEDING), the private exchange 30 stores the received IBI response indicator in memory and delivers an address completion message (ACM) including the IBI response indicator to the destination exchange 10-2. do.

8B illustrates an example of a structure of an IBI response indicator included in an address complete message (ACM). In FIG. 8B, the IBI response indicator indicates whether or not to transmit the name of the information element (Element Identifier) indicating that the information element is the IBI response indicator, the length information of the information element indicating the length of the entire information element, and the ring tone information. IBI response information indicating that is included. In addition, the IBI response information may include detailed information for indicating the type of ring tone information to be provided.

The destination exchange 10-2 receiving the address completion message (ACM) including the IBI response indicator analyzes the IBI response indicator, and if the destination terminal 20-2 desires to transmit the ring tone information directly, the private exchange ( 30 to connect the traffic path to the originating exchange 10-1 so that the ring tone information received from the called terminal 20-2 is transmitted toward the originating exchange 10-1. Of course, in this case, the destination exchange 10-2 blocks the traffic channel from the originating terminal 20-1 to the private exchange 30 so that the caller and the called party can talk to each other during the ring tone providing time. It would be desirable to prevent. On the other hand, when the called terminal 20-2 does not want to transmit the ring tone information, the called exchange 10-2 itself provides a ring tone to the calling terminal 20-1 according to a conventional method.

Meanwhile, the called terminal 20-2 which has transmitted the call progress message CALL PROCEEDING to the private exchange 30 notifies the user that there is a current call request by driving a predetermined ring generating means, and the private exchange 30 Will send a call message (ALERTING) to. When the called terminal 20-2 itself provides the ring tone information, the called terminal 20-2 reads the ring tone information stored in the called terminal 20-2 and transmits the ring tone information to the private exchange 30.

In addition, the private exchange 30 analyzes the stored IBI response indicator when the call message (ALERTING) is received from the called terminal 20-2, and the called terminal 20 when the called terminal 20-2 transmits the ring tone information. By combining the traffic channel from -2) with the destination exchange 10-2, the ring tone information transmitted from the destination terminal 20-2 is transmitted toward the destination exchange 10-2.

On the other hand, when the user off-hooks the terminal, the called terminal 20-2 stops transmitting the ring tone information and transmits a connection message (CONNECT) to the private exchange 30, and subsequent processing procedures are conventional. Follow the procedure.

FIG. 9 illustrates an embodiment in which the present invention is applied to a mobile communication network, which interworks between a destination exchange 10-2 and a private exchange 30 using an existing ISUP message, and the private exchange 30 and the base station. An example of a call processing procedure according to the present invention is shown between the controller 31 and the called terminal 20-2 based on the recommendations in the 3GPP2 IOS standard (3GPP2 A.S0001-A version 2.0). For reference, in FIG. 9, the base station controller 31 may exist separately from the switch as an element for performing the wired / wireless conversion function and the radio resource management function, or may be included in the switch in the small equipment.

In FIG. 9, the destination exchange 10-2 receives the initial address message IAM and transmits the initial address message IAM to the private exchange 30. Then, the private exchange 30 pages the base station controller 31. The procedure until the Paging Request is sent, and as a result, the private exchange 30 receives the paging response message from the base station controller 31 is the same as the normal processing procedure. Upon receiving the paging response message, the private exchange 30 determines whether the called terminal 20-2 is registered with the corresponding service by inquiring the subscriber profile information. In this case, when the called terminal 20-2 is not subscribed to the service, normal processing is executed.

On the other hand, when the called terminal 20-2 is subscribed to the service, the private exchange 30 transmits the IBI request indicator to the base station controller 31 by including an IBI request indicator in an assignment request message. Done.

FIG. 10A shows an example of the structure of the IBI Request Indicator. The IBI Request Indicator includes the name of the information element (Element Identifier), the length information of the information element, and the IBI request information. Included. Here, the IBI request information basically includes information for requesting transmission of the ring tone information to the called terminal 20-2, and may include a type of information that can be transmitted as the ring tone information from the called terminal 20-2.

If the IBI Request Indicator is included in the Assignment Request message received from the private exchange 30, the base station controller 31 stores it in a predetermined storage means. Since the apparatus and method for storing the message or the indicator information received by the base station controller 31 are general, detailed description thereof will be omitted here.

On the other hand, the base station controller 31 checks whether the above-described IBI Request Indicator is stored at the time of transmitting the Service Connect Message to the called terminal 20-2. If the IBI Request Indicator is not stored at this time, the normal processing procedure is executed. On the other hand, when the IBI Request Indicator is stored, the IBI Request Indicator is included in the Service Connect Message and transmitted to the called terminal 20-2. At this time, the IBI Request Indicator included in the Service Connect Message is substantially the same as that shown in FIG. 10A.

When the called terminal 20-2 receives a service connect message including an IBI request indicator from the base station controller 31, the called terminal 20-2 directly calls the ring tone information. Determine whether to transmit. The called terminal 20-2 transmits a service connect completion message including an IBI response indicator indicating whether the ring tone information is transmitted to the base station controller 31.

FIG. 10B shows an example of the structure of the IBI Response Indicator. The IBI Response Indicator includes the name of the information element, the length information of the information element, and the IBI response information. The IBI response information may optionally include information indicating whether the called terminal 20-2 wants to transmit ring tone information and information indicating the type of ring tone information to be sent.

When the base station controller 31 receives a service connection completion message from the called terminal 20-2, the base station controller 31 transmits an assignment complete message to the private switch 30. In this case, the service connection complete message If the IBI Response Indicator is included in the Service Connect Completion, this information is included in the assignment complete message. In this case, the IBI Response Indicator included in the assignment complete message is substantially the same as that shown in FIG. 10B. Subsequently, the base station controller 31 transmits an alert output message (Alert with info) to the called terminal 20-2. In addition, the base station controller 31 has an IBI Response Indicator included in the service connection completion message received from the called terminal 20-2 by the called terminal 20-2. In the case of displaying the ring tone information transmission, the traffic path from the called terminal 20-2 to the private exchange 30 is connected to transmit the ring tone information transmitted from the called terminal 20-2 to the private exchange 30. do.

When the private exchange 30 receives an assignment completion message from the base station controller 31, the private exchange 30 determines whether the called terminal 20-2 executes ring tone information transmission based on the IBI response indicator. You will be judged. In this case, when the called terminal 20-2 executes the ring tone information transmission, the called terminal 10-2 transmits a call progress message (CPG) including information indicating that IBI information is being provided, and the base station controller 31. By combining the traffic path from the destination to the destination exchange 10-2, the ring tone information transmitted from the destination terminal 20-2 is transmitted to the calling party. Of course, if the IBI Response Indicator is not included or if the called terminal 20-2 is indicated in the IBI Response Indicator as not wanting to transmit ring tone information, normal processing is performed. Will run.

The receiving exchange 10-2 that receives the call forwarding message (CPG) from the private exchange analyzes the call forwarding message (CPG) and includes the information that the IBI information is being provided. Make sure you are subscribed. In the case of subscribing to the service, the ring tone information transmitted by the called terminal 20-2 is transmitted to the calling party by combining the traffic path from the private switch 30 to the calling subscriber.

On the other hand, when the receiving terminal 20-2 receives an alarm output message (Alert with info) from the base station controller 31, the called terminal 20-2 informs the user that there is a current call request by driving a predetermined ring generating means and is stored therein. The predetermined ring tone information is read and transmitted to the base station controller 31. At this time, the transmission of the ring tone information is performed through a reverse traffic channel set by a traffic channel assignment message received from the base station controller 31.

In addition, when the user off-hooks, the receiving terminal 20-2 stops the transmission of the ring tone information and transmits a connection request message to the base station controller 30. Follow.

On the other hand, Figure 11 shows an example of the configuration of the terminal according to the present invention, which in particular shows an example of the configuration of a mobile communication terminal corresponding to FIG. In FIG. 11, reference numeral 111 denotes an antenna, 112 denotes an amplification of a high frequency signal from a base station received through the antenna 111, and then converted into an intermediate frequency, and input from the intermediate frequency processor 113 to be described later. The RF processor converts the intermediate frequency signal to a high frequency and then amplifies and outputs the RF signal. 113 converts the intermediate frequency signal input from the RF processor 112 into a baseband signal and applies it to the processor 114. Is an intermediate frequency processing unit converting the baseband signal inputted from the signal into an intermediate frequency signal and inputting it to the RF processing unit 112.

In the drawing, reference numeral 114 denotes a processor that controls the entire terminal. The processor 114 is, for example, an MSM modem chip manufactured by Qualcomm, which basically has a signal processing function for processing a baseband signal, and is equipped with a processor for executing various programs therein. Control processing can be executed. The processor 114 processes the message transmitted and received with the exchange through the base station controller (BS) as described above to send and control the ring tone information desired by the called party to the sender.

In the figure, reference numeral 115 denotes a display portion such as an LCD display panel, and 116 denotes a keypad provided with various operation keys including a 10-key. Reference numeral 117 denotes a speaker for converting and outputting an electrical voice signal into an audible sound, 118 a microphone for converting an audible sound into an electrical signal, 120 for encoding an electrical analog voice signal into digital data or analogue voice data. It is a codec that restores audio signal.

As described above, reference numeral 119 denotes a memory for storing ring tone information such as a ring tone desired by the user, such as a song, a classical music, an advertisement, a natural sound, a directly edited sound source, an animation, a video, and the like.

Next, the operation of the terminal will be described.

First, the storage processing of the ring tone information for the memory 119 can be executed by a conventional method. That is, the user accesses a separate server for providing the ring tone information through the terminal and downloads the ring tone information desired by the corresponding server, or the ring tone information desired by the coupling port (not shown) provided in the terminal. To store it in the memory 119.

After storing the predetermined ring tone information in the memory 119, the user can input whether to execute the ring tone information providing process and optional information for providing the ring tone information by operating the keypad 116. Such input information will be stored non-volatile in a predetermined state storage unit (not shown). The selection information may be configured in various forms. For example, call tone information provided according to a caller's phone number, an incoming call time, or the like may be configured to vary. In other words, if the user cannot receive a call by driving or meeting at a certain time, etc., the call request for the time is "Currently not available. Please call again after a few hours", etc. It is possible to set the terminal so that the same call tone information is provided.

In FIG. 9, when a service connect message including an IBI request indicator is received from the base station controller 31, the processor 114 inquires the state storage unit to process the call tone information providing process. It will decide whether to run. Based on the determination result, a service connection completion message including an IBI response indicator is generated and transmitted to the base station controller 31. When it is determined that the call tone information providing process is performed as described above, the processor 114 reads predetermined call tone information stored in the memory 119 when an alarm message (Alerting with info) is received from the base station controller 31. This is coded through the codec 120 and then sent to the destination exchange side. Of course, at this time, the processor 114 may selectively output the ring tone information corresponding to the corresponding calling number based on the received calling number.

In addition, when the determination result of the call tone information transmission function is not set or does not correspond to the call tone information sending condition, the processor 114 accesses a service including an IBI response indicator not to send the call tone information. Completion message (Service Connect Completion) is generated and sent to the base station controller 31, after this it performs the same processing procedure as a normal terminal.

Of course, when the IBI Request Indicator is not received from the base station controller 31 in FIG. 9, the same processing as that of the normal terminal is executed, and the IBI request transmission function is set in the terminal. When the IBI Request Indicator is not received or the call tone information transmission condition is not satisfied, predetermined guide information may be provided through the display unit 115.

As described above, according to the exemplary embodiment, predetermined ring tone information is provided to the caller through a method of directly transmitting the ring tone information provided from the called party's terminal to the calling party's terminal, thereby minimizing the system change, and thus, the called party's caller. It is possible to efficiently provide the desired ring tone information.

In addition, the present invention is not limited to the above embodiments and can be implemented in various modifications without departing from the spirit of the technical rights of the present invention. That is, in the above embodiment, for example, the present invention is applied to an ISDN or a mobile communication system, but the present invention can be applied to all communication systems in the same manner.

In addition, in the above embodiment, the description was given of selectively providing the ring tone information from the called terminal to the calling terminal based on the call permission information sending request from the called exchange or the called terminal. However, the present invention may be implemented so that the exchange unconditionally provides the ringing tone information applied from the called terminal to the calling terminal. In addition, the exchange may determine whether the terminal is subscribed to the service based on the profile information of the called terminal in advance, and may configure the calling terminal to provide the calling terminal with the ring tone information authorized from the called terminal when the called terminal is subscribed to the service. have.

In addition, in the above embodiment, the call tone information from the called terminal is selectively provided to the calling terminal through a method of adding a separate message at a specific location or adding an information element to the specific message during call processing. However, in the present invention, the position of the message or information element added for transmission of the ring tone information from the called terminal is not limited to a specific position, and can be set at any position of the call processing process as necessary.

In addition, in the above embodiment, it has been described to selectively provide the ringing tone information from the called terminal to the calling terminal by using a method of explicitly notifying the service providing or rejecting using the message or the information element. However, in the present invention, the called exchange or the called terminal transmits a predetermined message or information element only when the ring tone information transmission is possible, or if the called exchange information is transmitted only through the method of transmitting the predetermined message or information element when the ring tone information transmission is impossible. It is also possible to configure the transmission of the ring tone information from the terminal.

In addition, in the above-described embodiment, it has been described that the called terminal 20-2 provides a ring tone, that is, a ringback tone when the private exchange 30 and the called terminal 20-2 perform an interlocking operation. However, in the present invention, the ring tone may be stored in the private exchange 30 and the ring tone may be provided in the private exchange 30. In this case, a method of allowing the terminal 20-2 to register the ring tone to be provided to the private exchange 30 in advance is desirable. Of course, it is also possible to use a method in which the private exchange 30 and the terminal 20-2 provide a ring tone. In this case, when a call request is received from the outside, the private exchange 30 will selectively allow the calling party or the called terminal 20-2 to provide a ring tone based on the called number (or calling number).

As described above, according to the present invention, it is possible to realize an information providing method using an incoming call waiting time which can provide a predetermined useful information to the caller during the incoming call waiting time while minimizing the burden on the change of the communication network.

Claims (6)

Claims [1] A method for providing call tone information for a calling terminal in a communication system including a plurality of terminals, a communication network controlling a connection by a call between terminals, and a private exchange, A call origination request step of requesting a call at the originating terminal; A call incoming request step of requesting a call from a communication network to a private exchange in response to a call request from an originating terminal, A call reception notification step of requesting a call to a called terminal by a private exchange; And transmitting the ring tone information from the private exchange side to the communication network, and transmitting the ring tone information received from the private exchange side to the calling party terminal. . The method of claim 1, The private exchange exchanges the ring tone information received from the called party's terminal to the communication network. The method of claim 1, The private exchange is further configured to further include a request for transmitting ring tone information requesting permission to provide ring tone information to the communication network. The communication network, when there is a request for permission to provide ring tone information from the private exchange, determines whether to permit the notification and notifies the private exchange. The method of claim 1, The private exchange exchanges the ring tone information received from the called terminal to selectively transmit information to the communication network. The method of claim 1, And providing a ring tone information transmission request step for the communication network to request ring tone information transmission to the private exchange. The method of claim 1, The communication network optionally provides the call response information sent from the private exchange to the calling terminal, the information providing method using the call response waiting time.

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