KR20070012067A - Communication system for performing a ring back tone service and method the same - Google Patents

Abstract

A communication system and method for a ring-back tone service are provided to provide a ring-back tone of a destination terminal differentiated from other phone numbers of the destination terminal to an origination terminal until a call is connected after the origination terminal attempts the call. A ring-back tone unit, which includes a CRBT(Coloring Back Tone) IP(Internet Protocol)(150) and a CRBT server(160), stores source files of each ring-back tone corresponding to a plurality of child numbers and a single mother number, and provides a corresponding source file in response to a ring-back tone call signal corresponding to the child numbers or the mother number. An exchange, which includes an origination MSC(Mobile Switching Center)(110) and a termination MSC(140), receives the child numbers or the mother number, establishes a call between an origination terminal(100) and a destination terminal(130), provides the ring-back tone call signal corresponding to the child numbers or the mother number to the ring-back tone unit so as to transmit the corresponding source file to the origination terminal(110).

Description

COMMUNICATION SYSTEM FOR PERFORMING A RING BACK TONE SERVICE AND METHOD THE SAME}

1 is a block diagram showing a system for a ring back tone service according to an embodiment of the present invention;

2 is a block diagram showing a system for a ring back tone service according to another embodiment of the present invention;

3 is a block diagram showing a system for a ring back tone service according to another embodiment of the present invention;

4 is a flowchart illustrating a method for implementing a ring back tone service by the system shown in FIG. 1;

5 is a flowchart illustrating a method for implementing a ring back tone service by the system shown in FIG.

FIG. 6 is a flowchart illustrating a method for implementing a ring back tone service by the system shown in FIG.

<Description of Symbols for Main Parts of Drawings>

100, 310: calling terminal 110, 230, 320: calling exchange

120, 220, 330: home location register 130, 240, 410: called terminal

140, 250, 420: terminating exchange 150, 260, 500: communication sound IP

160, 270, 510: connection sound server 200: wired telephone

210: PSTN 300: WCDMA network

400: CDMA 2000 network 600: gateway

The present invention relates to a ring back tone service, and more particularly, to a communication system and method for a ring back tone service for connecting a separate ring back tone for each phone number in a numberplus service providing one or more phone numbers to a single terminal. It is about.

In general, when the calling terminal calls the called terminal, the call connection tone provided by the mobile telephone switching network is sent to the calling terminal while waiting for the call answering of the called terminal to wait for the call answering of the called terminal. Recently, when a caller makes a call to a subscriber who is subscribed to the numberplus service in a mobile phone or a landline, the number plus is provided to the calling terminal before the call is connected to various call ringtones instead of the uniform ring back tone. It satisfies various needs of users who use the service.

In addition, when the called subscriber joins the mobile communication telephone network, a basic telephone number for establishing a call to the called terminal is set by the called terminal identification number stored in the called exchange interworking with the called terminal.

In addition, the conventional number plus and ring back tone services other than the mother number on one called terminal in order to distinguish the number for the work or personal use in addition to the basic telephone number (hereinafter referred to as 'parent number') of the called terminal ( Hereinafter, the same ring back tone is provided to the mother number or the child number by setting 'self number'.

However, there are reasons for the subscriber to use the number plus service to provide a more special service to the caller attempting to make a call to the called party's called terminal or to protect the privacy of the called party. Therefore, the ring back tone service has the same ring back tone is sent out to the calling terminal regardless of the phone number divided by the mother number and the own number. There was this.

Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to provide a respective ring back tone for each of a plurality of telephone numbers on a called terminal using a plurality of telephone numbers by subscribing to the NumberPlus service. Among the plurality of telephone numbers set in the called terminal, it provides a ring tone differentiated from other numbers until the call is connected to the calling terminal which attempts to call any number.

In order to achieve the above object, a communication system for delivering a predetermined communication connection tone to a calling terminal attempting to make a call with a plurality of own numbers and one mother number set according to the first aspect of the present invention comprises: A communication connection sound source for storing the source sound source file of each communication connection sound corresponding to the child number and one mother number, and providing the source sound source file in response to the communication connection sound call signal corresponding to the child number or the mother number; Accepts the own number or the mother number, sets up a call between the calling terminal and the called terminal, and provides a communication ring tone call signal corresponding to the own number or the mother number to the communication connection tone to provide a corresponding source sound source. And an exchange unit for transmitting a file to the calling terminal.

Preferably, when the called terminal is located in the heterogeneous network with the calling terminal, the exchange unit is configured to receive a call signal of the calling terminal set with the own number or the mother number to establish a call with the called terminal. Setting a call by the call exchanger and the call processing signal for transmitting and receiving a call processing signal, and providing a communication ring tone call signal corresponding to the call signal to the communication ring tone to transmit the corresponding source sound source file to the call terminal. It characterized in that it comprises a destination exchange for.

In addition, a communication method for delivering a predetermined communication ring tone to a calling terminal that attempts to make a call with a plurality of own numbers and one mother number according to the second aspect of the present invention for achieving the above object, (a (B) the calling terminal attempting to make a call using the own number or the mother number as a calling number, respectively, by setting a ring back tone to the own number and the mother number preset by the user of the called terminal; Reading the call signal of the corresponding ring back tone stored in the database by the step (c) and transmitting the corresponding source sound source file to the calling terminal by the call signal.

Preferably, the step (a) is characterized in that the user can be reset by changing the ring back tone set in each of the own number and the mother number.

Preferably, the step (b) comprises (b-1) matching the calling party number or the mother number and the calling party number stored in the database by a call signal transmitted from the calling terminal and (b-2); The call signal of the corresponding ring back tone set together with the matching child number or mother number is characterized in that it comprises the interlocking.

Preferably, the step (c) is characterized in that the corresponding source sound source file is repeatedly transmitted to the calling terminal until the call terminal is connected to the call.

Hereinafter, a preferred embodiment of a system for a ring back tone service according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing a system for a ring back tone service according to an embodiment of the present invention. As shown in FIG. 1, an incoming / outgoing communication system in a mobile communication network transmits a call signal based on a phone number that can be called with a called terminal 130 and a called terminal 130 subscribed to a numberplus service and a ring back tone service. Outgoing exchange 100, the originating exchange to receive and receive the call signal transmitted by the originating terminal 100 to transmit and receive the call setup signal by the inter-station signal message to make a call with the called terminal 130 Switching connection to one of the plurality of telephone numbers set in the receiving terminal 130 by the call setup signal applied from the 110, and transfers the communication connection sound corresponding to the matched telephone number to the calling terminal 100 And a ring back tone unit 150, 160 for providing a ring back tone by means of a ring back tone signal specified by the ring back 140.

The terminating terminal 130 is subscribed to a mobile communication telephone network, and the terminating terminal 130 is assigned a wireless terminal identification number for specifying and connecting the terminating terminal 130 on the mobile communication network, by the identification number. A unique number of the called terminal 130 for determining whether the called terminal 130 that communicates is valid or illegally used is stored in the called exchange 140 together with the identification number. Here, the wireless terminal identification number is a telephone number used for communication connection to the called party in a normal telephone communication network.

In addition, only the incoming call subscriber to the call ring tone service and the number plus service that provides a ring back tone to the calling terminal 100 to try to talk to the terminal 130 from the called terminal 130, a single called terminal 130 In addition to the mother number which is an identification number assigned to basically identify the identification number which is another identification number, the calling terminal 100 attempts to make a call by the mother number or the own number, and the switching unit 140 controls the switching. To connect the call with the called terminal 130 to the identification number.

The calling exchange 110 transmits an identification number of the called terminal 130 to the home location register 120 to determine the location of the called terminal 130 according to the call signal transmitted from the calling terminal 100, thereby receiving the terminal. Determine whether 130 is located in the home network or another network. If it is located in the home network due to the switching control of the originating exchange 110 is connected to the call terminal 130. However, if the location of the called terminal 130 is located in a different network from the network to which the calling terminal 100 belongs, the calling exchange 110 attempts to call another network by receiving a temporary subscriber number assigned to the called exchange 140. Hereinafter, the case of the called terminal 100, 130 located in different regions other than the called terminal 100, 130 located in the same region will be described by way of example.

In the destination exchange 140, the ring tone information for interworking with the ring back tone 150 and 160 is set by the user of the called terminal 130 in each identification number corresponding to the mother number and the own number of the called terminal 130. do.

The originating exchange 110 attempts to make a call using the mobile subscriber temporary number assigned from the terminating exchange 140 in the process of setting up a call by the inter-station signal message, thereby storing all of the terminating terminals 130 stored in the terminating exchange 140. Select a number or subnumber. When the number of the selected called terminal 130 is the mother number, the communication connection sound calling signal stored with the mother number is applied to the call connection sound unit 150 and 160 to request sound source authentication.

In addition, when the number of the selected called terminal 130 is the own number, the communication connection tone call signal stored together with the own number is applied to the call connection tone unit 150 and 160 to request authentication of the corresponding sound source.

The call connection tone unit 150 and 160 receives a call connection tone call signal from the destination exchange 140 and finally, the call connection tone to the calling terminal 100 until the called terminal 130 and the calling terminal 100 are connected to the call. Communication ring tone IP 150 for storing the source sound source file for providing, and the information about the ring tone subscriber and source sound source file information, and is authenticated by the call ring tone authentication request of the communication summer IP 150 If confirmed, and includes a communication ring tone server 160 that is provided to deliver the corresponding ring tone code to the node of the communication ring tone IP 150.

4 is a flowchart illustrating a method for implementing a ring back tone service by the system shown in FIG. As shown in Fig. 4, the mobile communication network transmits a call signal containing information on a predetermined telephone number for communicating with the destination terminal 130 to the originating exchange 110. (S100) The originating exchange 110 The process of determining the location of the calling terminal 100 and the called terminal 130 by the information stored in the home location register by the transmitted call signal (S102).

In addition, when the called terminal 130 is located in a network other than the home network, a call processing signal for setting up a call between the calling exchange 110 and the called exchange 140 is generated by the mobile subscriber temporary number of the called terminal 130. (S104) A call is set, and after checking whether or not the number plus service is executed on the called terminal 130, a process of checking the service status of the own number including the mother number of the called terminal 130 being executed is performed. (S106) In the above process, it is confirmed that the number plus service is being executed on the called terminal 130, and it is determined whether the call signal transmitted from the calling terminal 100 is due to the mother number.

If the call is attempted by the mother number, the process of authenticating and transmitting the corresponding sound source stored in the call connection part 150 and 160 according to the information on the communication connection sound stored by the called subscriber set with the mother number on the destination exchange 140 (S110) In this process, when the sound source authentication for the call connection sound is made in the call connection sound units 150 and 160, the call connection sound is provided until the call connection terminal 130 is connected to the called terminal 130. (S112)

In addition, if the call signal transmitted from the calling terminal 100 is due to the own number, the corresponding sound source stored in the call connection sound unit 150, 160 according to the information on the communication connection tone stored by the called party set with the own number The authentication is received, and the process of being sent to the destination exchange 140 is performed. (S114, S116)

2 is a block diagram showing a system for a ring back tone service according to another embodiment of the present invention. As shown in FIG. 2, a system for making a call with a called terminal 240 on a mobile communication network with a wired telephone 200 includes a wired telephone for transmitting a call signal by a mother number or an own number of the called terminal 240. 200), an external network associated with a mobile communication network interworking with the called terminal 240, and received by a call signal applied from a general telephone network 210 and a general telephone network 210 for transmitting and receiving a wired telephone 200 and a PCM signal. One of the parent or child number set in the destination terminal 240 by the call exchanger 250 that transmits and receives a call setup signal for attempting a call with the terminal 240, and the call setup signal from the originating exchange 250. Selected and authenticated the sound source of the corresponding communication ring tone by the call signal received from the destination exchange 250, the destination exchange 250 for calling the sound source by the call ring tone call signal stored in the selected number and And a call connection sound unit 260, 270 for transmitting.

In addition, similar to the wired telephone 200, transmission by an internet telephone (not shown) by transmission and reception of packet data is also possible. When an internet phone (not shown) transmits a call signal containing a predetermined phone number of the called terminal 240, it is applied to the originating exchange 230 through a PDSN (not shown), and is received by the destination exchange 250 again.

FIG. 5 is a flowchart illustrating a method for implementing a ring back tone service by the system shown in FIG. 2. As shown in FIG. 5, the method for making a call with the called terminal 240 on the mobile communication network with the wired telephone 200 includes a call connection with the called terminal 240 in the wired telephone 200 connected with the general telephone network 210. In order to transmit the call signal containing the mother number or sub-number of the called terminal 240 to the calling exchange 230. (S200) The calling exchange 230 is set to the called terminal and the call by the call signal received from the landline Send and receive a call setup signal to the destination exchange 250 (S202).

After the call is set up through the above process, a process of checking whether the receiving terminal 240 of the mobile communication network is subscribed to the number plus service is performed, and if the receiving terminal 240 is subscribed to the number plus service, the landline 200 Caller using the caller to determine whether the phone number to try to call to the terminal 240 is the mother or child number. (S204, S206)

If the call signal transmitted from the landline 200 is due to the mother number of the called terminal 240, the call connection sound unit 260, 270 corresponding to the information on the communication connection sound stored with the mother number in the destination exchange 250 in the call connection unit (260) The sound source is authenticated, and the process of transmitting the authenticated sound source is performed. (S208) Due to this process, the transmitted communication connection sound is repeatedly transmitted to the wired telephone 200 until the call is connected at the destination exchange 250. S210)

In addition, if the call signal transmitted from the landline 200 is due to the own number, the call connection sound unit 260, 270 receives the information about the communication connection sound stored with the own number to the destination exchange 250, the sound source authentication and wired The sound source is transmitted to the telephone 200. (S212, S214)

3 is a block diagram showing a system for a ring back tone service according to another embodiment of the present invention. As shown in FIG. 3, a system for making a call between called terminals 310 and 410 on mobile communication networks 300 and 400 provided in different ways is connected to a called terminal 410 in a WCDMA network 300. Calling terminal 310 for transmitting a call signal containing a predetermined phone number for receiving, by receiving a call signal from the home location register 330 to determine the location of the calling terminal 310 and the location of the called terminal 410 A gateway 600 for transmitting and receiving a call processing signal for establishing a call, a gateway 600 for filtering and converting a protocol of a different method between the originating exchange 320, and the called party, and a gateway in the CDMA 2000 network 400. Among the plurality of telephone numbers set in the terminating terminal 410 by the call setting signal applied from the originating exchange 320 which has passed through 600, it matches with an identification number for one telephone number and saves it with the identification number. Communication ring tone IP interlocking with the call signal transmitted from the destination exchange 420, the destination exchange 420 for calling the ring back tone for the phone number by the information on the ring back tone, and stores the source file of the ring back tone And a call connection tone unit 500 and 510 including a communication connection tone server 510 for transmitting the 500 and the corresponding call connection tone.

In addition, the present invention is not limited to the above-mentioned WCDMA network 300 and CDMA 2000 network 400, but may be linked with other mobile communication networks by supporting additional technologies such as handoff. By providing a ring back tone service.

FIG. 6 is a flowchart illustrating a method for implementing a ring back tone service by the system shown in FIG. As shown in FIG. 6, a method for making a call between called and received terminals 310 and 410 in different mobile communication networks 300 and 400 includes a called terminal 410 in the calling terminal 310 in the WCDMA network 300. And transmits a call signal containing a predetermined telephone number to make a call with the calling exchange 320 (S300). The call is received by the information stored in the home location register 330 of the WCDMA network 300 according to the transmitted signal. If it is determined that the terminal 410 is located in another network having a different communication method, such as the CDMA 2000 (400) instead of the home network 300, the process of establishing a call by receiving a mobile subscriber temporary number from the destination exchange 420 is performed. To perform. In order to perform this process, a process of filtering and converting different protocols between different networks between the gateways 600 is added.

An initial setup process for the call connection between the WCDMA network 300 and the CDMA 2000 network 400 is performed after the conversion process in the gateway 600. (S304) Initially between the originating exchange 320 and the destination exchange 420. When the call setup is made, it is checked whether the terminating terminal 410 of the CDMA 2000 network 400 is subscribed to the number plus service, and if the terminating terminal 410 is confirmed to be subscribed to the number plus, the WCDMA network 300 The calling terminal 310 performs a process of checking whether the mother number or the own number is trying to call. (S306, S308)

If the calling terminal 310 of the WCDMA network 300 is trying to call the mother number of the called terminal 410, the call connection tone information 500 corresponding to the ring tone information corresponding to the mother number stored in the destination exchange 420 Receiving the sound source authentication for the corresponding ring back tone by transmitting to, 510) and receives the corresponding ring back tone. (S310) The received ring back tone to the destination terminal 410 of the CDMA 2000 network 400 in the terminating exchange 420 The call is repeatedly transmitted to the calling terminal 310 of the WCDMA network 300 until the call is connected.

In addition, if the calling terminal 310 of the WCDMA network 300 is attempting to call the own number of the called terminal 410, the call connection tone information corresponding to the ring tone information corresponding to the own number stored in the destination exchange 420 It transmits to (500, 510) and performs the process of receiving the authentication and transmission of the sound source to the calling terminal 310. (S314, S316)

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art will be variously modified and changed within the scope of the invention without departing from the spirit and scope of the invention described in the claims below. I can understand that you can.

Accordingly, in the present invention, by storing the information for each ring back tone together with a signal for identifying a plurality of telephone numbers set in the receiving terminal subscribed to the number plus service, the called terminal and the call to a predetermined telephone number of the called terminal There is an advantage that can provide a ring tone differentiated from other telephone numbers of the called terminal until the call is connected to the calling terminal.

Claims (8)

In a communication system for delivering a predetermined communication ring tone to a calling terminal that attempts to talk with a called terminal having a plurality of own numbers and one mother number, Communication for storing the source sound source file of each communication connection tone corresponding to the plurality of sub-numbers and one mother number, and providing the source sound source file in response to the communication connection tone call signal corresponding to the sub-number or mother number. Connection part; And Accepts the own number or the mother number, sets up a call between the calling terminal and the called terminal, and provides a communication ring tone call signal corresponding to the own number or the mother number to the communication connection tone to provide a corresponding source sound source. And a switching unit for transmitting a file to the calling terminal. The method of claim 1, wherein the calling terminal or the called terminal, Communication system for a ring-tone service, characterized in that the wireless terminal or a wired terminal. According to claim 1, Wherein the destination terminal is located in the heterogeneous network with the calling terminal, The switching unit, An originating exchange that receives a call signal of the calling terminal having the own number or the mother number set and transmits and receives a call processing signal for establishing a call with the called terminal; And And a call exchanger for establishing a call by the call processing signal and providing a communication connection tone call signal corresponding to the call signal to the communication connection tone to transmit a corresponding source sound source file to the calling terminal. Communication system for the ring-tone service. The method of claim 1, wherein the communication system, A communication system for a ring back tone service, characterized in that the code division multiple access method or broadband code division multiple access method. In the communication method for delivering a predetermined communication ring tone to the calling terminal that attempts to talk to the called terminal with a plurality of own numbers and one mother number, (a) establishing a database by setting a ring back tone to each of the own number and the mother number preset by the user of the called terminal; (b) reading a call signal of a ring back tone stored in the database by the calling terminal attempting to make a call using the own number or the mother number as a calling number; And (c) transmitting a corresponding source sound source file to the calling terminal by the call signal. The method of claim 5, wherein step (a) comprises: Communication method for a ring back tone service, characterized in that the user can reset by changing the ring back tone set to the own number and the mother number, respectively. The method of claim 5, wherein step (b) comprises: (b-1) matching the calling number or the mother number stored in the database with the calling number included in the call signal transmitted from the calling terminal; And (b-2) a communication method for a ring back tone service, characterized in that the call signal of the ring back tone set together with the matching sub-number or the mother number is interlocked. The method of claim 5, wherein step (c) comprises: And transmitting the corresponding source sound source file to the calling terminal repeatedly until the call is connected to the called terminal.

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