KR100378889B1 - Method for changing RBT source in Subscriber-based Ring-Back-Tone Service - Google Patents

Abstract

PURPOSE: A method for changing a sound source in a subscriber-based ringback tone service is provided to offer a sound source of a termination subscriber as a specific sound to an origination subscriber and set the sound source of a termination subscriber as a ringback tone substitution sound. CONSTITUTION: If an origination subscriber pushes a special number predetermined for a sound source change service through a mobile terminal while a telephone call is performed between the origination subscriber and a termination subscriber, an origination MSC(Mobile Switching Center)(31) recognizes special number information(S712). The origination MSC(31) generates a feature request MAP(Mobile Application Protocol) message including the special number, a current busy calling number, and a called number on the basis of recognized special number information(S713). The origination MSC(31) transmits the generated feature request MAP message to an HLR(Home Location Register)(10)(S714). The HLR recognizes detects special number information from the received feature request MAP message, recognizes that the feature request MAP message is for changing a sound source, and generates a sound source code change request message including an origination number and a termination number on the basis of the recognized result(S715). The HLR(10) transmits the generated sound source code change request message to a IP server(70) corresponding to the calling number according to an Internet protocol(S716). The IP server(70) changes a predetermined sound source code corresponding to the calling number to a predetermined sound source code corresponding to the called number on the basis of the received sound source code change request message(S717).

Description

Method for changing sound source in subscriber-based ringback tone service {Method for changing RBT source in Subscriber-based Ring-Back-Tone Service}

The present invention relates to a method of changing a sound source in a subscriber-based ringback tone service, and more specifically, to improve a conventional ringback tone scheme by providing a specific sound desired by a called subscriber as a ringback tone. In the subscriber-based ringback tone service method, it relates to a method for changing the sound source in the subscriber-based ringback tone service to enable the calling subscriber to bring the sound source of the called subscriber as his specific sound to his own sound source.

In general, when a caller attempts to make a phone call in an existing mobile communication network, the receiver of the called subscriber adopts a method of giving a uniform ringback tone to the caller. However, such a conventional ringback tone method uses a uniformly identical tone. Since the caller cannot determine whether there is a misconnection until the answer of the called party, there is also a problem that can not provide a variety of ringback tone replacement service to meet the characteristics of the user.

On the other hand, in recent years, a method of listening to various advertisement sounds instead of the uniform ringback tone has been proposed, but this also gives a caller a specific advertisement sound selected by a network operator without a subscriber's option and then a predetermined time. Since it is a way to make a free call for a while, the caller cannot determine whether there is a misconnection until the answer of the called party, and furthermore, there is a problem in that it cannot provide various ringback tone services that match the characteristics of the user.

The present invention has been made to solve the above-mentioned conventional problems, and an object thereof is to provide a caller with a specific sound registered or selected by a called subscriber instead of the existing ringback tone, so that the caller determines whether there is a misconnection before the answer of the called party. In the subscriber-based ringback tone service method, which provides a variety of ringback tone replacement sounds in accordance with the characteristics of the called subscriber, in particular, the sound source of the called subscriber as the specific sound that the calling subscriber listens to It is intended to provide a method of changing a sound source in a subscriber-based ringback tone service, which can be brought to the ringback tone replacement sound.

1 is a block diagram of a subscriber-based ringback tone service apparatus according to the present invention;

2 is a flowchart illustrating a service subscription procedure in a subscriber-based ringback tone service method according to the present invention;

3 is a flowchart illustrating a service change / addition procedure in a subscriber-based ringback tone service method according to the present invention;

4 is a flowchart illustrating a service termination procedure in a subscriber-based ringback tone service method according to the present invention;

FIG. 5 is a flowchart illustrating an actual service procedure performed after the procedure of FIGS. 2 and / or 3 is completed in the subscriber-based ringback tone service method according to the present invention.

6 shows an additional service configuration message form delivered from the home location register to the destination exchange in the subscriber-based ringback tone service method according to the present invention;

7 is a flowchart illustrating an embodiment of a sound source changing method for setting a sound source listened to in a subscriber-based ringback tone service method according to the present invention as its own sound source;

8 is a flowchart illustrating a detailed procedure of the step S717 of FIG.

9 is a flowchart illustrating another embodiment of a sound source changing method for setting a sound source listened to in a subscriber-based ringback tone service method according to the present invention as its own sound source;

10 is a flowchart illustrating a detailed procedure of the step S916 of FIG.

※ Explanation of code for main part of drawing

10: Home Location Register 20: No.7 Network

31,32: Exchange 40,90: Gateway

50: sound source providing device 60: Internet network

70: sound source control server 80: subscriber storage database

100: web server

In order to achieve the above object, a first method of changing a sound source in a subscriber-based ringback tone service according to the present invention is first information on whether a ringback tone substitute is set in a home location register when a subscriber is registered. And a first step of providing second information for routing to the sound source providing means from the home location register to the corresponding destination exchange; At the destination exchange, upon acknowledgment of a call connection request from the originating exchange to the called subscriber, based on the provided first information and the second information, the ringer is provided with a ringback tone or a trunk to the sound source providing means. A second step of requesting a call connection; In the sound source providing means, after connecting the trunk call based on the trunk call connection request, the sound source code preset for the telephone number of the called subscriber is searched from the sound source providing control means, and the sound source corresponding to the searched sound source code is found. Providing the caller through the trunk call connected destination exchange in place of the ring back tone; A fourth step in the destination exchange, requesting release of the connected trunk call to the sound source providing means when the incoming subscriber recognizes an incoming call, and the sound source providing means releasing the connected trunk call based on the call release request; ; A fifth step of generating, at the originating exchange, a message including the special number, a corresponding called number, and a calling number based on the special number information selected from the caller during a call and transmitting the message to the home location register; A sixth step of transmitting, at the home location register, a sound source code change request message to the sound source providing control means based on the received message; And a seventh step of, in the sound source providing control means, changing a sound source code preset in response to the calling number based on the received sound source code change request message to a preset sound source code in correspondence with the called number. do.

Communication between the home location register and the sound source providing control means is based on an Internet protocol, and in the fifth step, the message generated by the originating exchange and transmitted to the home location register is, for example, a quest mobile application protocol. (FeatureRequest MAP) is characterized by consisting of a message.

If the sound source providing control means includes a plurality of means, in the sixth step, the home location register transmits the sound source code change request message to the first sound source providing control means corresponding to the calling number, and the seventh point. In the step, the first sound source providing control means queries the sound source code corresponding to the called number to the second sound source providing control means corresponding to the called number, and sends the sound source code of the called number received in response to the query. The sound source code of the source number is changed, but the communication between the sound source providing means and the sound source providing control means is based on an internet protocol.

In order to achieve the above object, a second method of changing a sound source in a subscriber-based ringback tone service according to the present invention is first information on whether a ringback tone is preset in a home location register when a subscriber is registered. And providing second information for routing to the sound source providing means from the home location register to the corresponding destination exchange; At the destination exchange, upon acknowledgment of a call connection request from the originating exchange to the called subscriber, based on the provided first information and the second information, a ringback tone is provided to the caller or a trunk is provided to the sound source providing means. Requesting a call connection; In the sound source providing means, after connecting the trunk call based on the trunk call connection request, the sound source code preset for the telephone number of the called subscriber is searched from the sound source providing control means, and the sound source corresponding to the searched sound source code is found. Providing the caller through the trunk call connected destination exchange in place of the ring back tone; Requesting release of the connected trunk call to the sound source providing means when the incoming exchange recognizes the incoming call, and the sound source providing means releases the connected trunk call based on the call release request. A subscriber based ring back tone service method comprising: a specific answering service server, having routing information to the sound source providing control means corresponding to a subscriber telephone number, according to an answering machine communication with a connected first subscriber; A first step of receiving telephone number information of a first subscriber and telephone number information of a specific second subscriber and transmitting a sound source code change request message to a first sound source providing control means corresponding to the telephone number of the first subscriber; And the second sound source providing control according to the routing information from the first sound source providing control means to the second sound source providing control means corresponding to the telephone number of the second subscriber included in the received sound source code change request message. Querying the sound source code corresponding to the telephone number of the second subscriber by means, and changing the sound source code of the telephone number of the first subscriber to the sound source code of the telephone number of the second subscriber received in response to the query. It comprises a second step.

In the first step of the second, for example, the mobile terminal of the first subscriber may call his first telephone number as the telephone number information of the first subscriber during the connection with the answering service server and make a recent outgoing call. The number may be provided as the telephone number information of the second subscriber to the connected answering server, or in another example, the answering service server may be configured to transmit the number through the mobile terminal of the first subscriber according to the scenario according to the answering machine communication. The telephone number information of the first subscriber and the telephone number information of the second subscriber may be input and the input information may be taken as the telephone number information of the first and second subscribers.

Hereinafter, a method of changing a sound source in a subscriber-based ringback tone service method according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a subscriber-based ringback tone service apparatus according to the present invention.

1, the apparatus of the present invention comprises a home location register (HLR) 10; Switchboards (O_MSC / VLR, T_MSC / VLR) (31,32) that communicate with the home location register (HLR) 10 via a No.7 network (20) based on a Signaling Transfer Protocol (STP). ; A sound source providing device (Intelligent Peripheral: IP) 50 connected to the No. 7 network 20 and communicating with the exchanges 31 and 32 via a gateway (CGS) 40; A sound source providing control server (IP server) 70 for data communication with the sound source providing apparatus 50 via the Internet network 60; A subscriber database (80) connected to the home location register (10) via the internet network (60); It is composed of a Web server (Web Server) 100 connected to the Internet network 60 via a gateway 90 to communicate with the sound source providing apparatus 50 and the sound source providing control server 70.

The home location register 10 has all of the functions of the existing network components, and receives the first information on the presence or absence of ringback tone replacement and the second information for routing to the sound source providing device 50. A function that has been previously set as profile information for is newly added, and the first and second information are set and stored as supplementary service subscription information of the called party profile, and also among the exchanges 31 and 32. 31) when the message including the preset special number information for the sound source change service according to the present invention and the caller's call number currently being called comes up in the form of a feature request mobile application protocol (FeatureRequest MAP) message, the message will be described later based on the message. It further has a function of performing the process of FIG.

The exchanges 31 and 32 have all functions as existing network components, and communicate with the home location register 10 when registering a destination subscriber to receive and store the predetermined first and second information. Receiving a sound source for replacing a ringback tone by communicating with the sound source providing apparatus 50 based on the stored first and second information when a call connection request of a called subscriber is received, and replacing the received sound source with the caller. It further has a feature of providing a sound, in particular, if a predetermined special number is selected from the caller during the call and the special number is recognized, the message containing the special number information and the incoming and outgoing telephone number, for example, the processed quest mobile application It has a function of generating in the form of a protocol (FeatureRequest MAP) message and transmits it to the home location register (10).

The sound source providing device 50 stores various sound sources and is connected to the exchanges 31 and 32 via the gateway 40 to communicate with the exchange sources 31 to provide the stored sound sources to the exchanges 31 and 32. Has characteristics.

The sound source providing control server 70 communicates with the sound source providing apparatus 50 via the Internet network 60, so that the sound source providing apparatus 50 is provided to the switchboards 31 and 32. The type is specified based on a combination of identification information of the called subscriber who is requested to make a call connection, identification information of the caller corresponding to the call connection, and / or call connection request time zone information (e.g., various various sound sources are sent by caller, caller group, and caller). By age, gender, occupation, and / or calling time zone, respectively). For example, a code is assigned to various sound sources stored in the sound source providing apparatus 50, and when the called party joins or When changing the information, select the sender, sender group, calling time zone, etc., and specify the corresponding sound source, and have the information about this as a table and then based on the table information. The sound source and controls the sound source providing device 50 to be provided to the heat exchanger 32 side.

The web server 100 is connected to the sound source providing apparatus 50 or the sound source providing control server 70 via the Internet network 60, to add the sound source stored in the sound source providing apparatus 50 or In order to change the information (specific caller, caller group, call time zone, etc.) and the corresponding sound source code for the sound source specification of the sound source providing control server 70, which is provided by the subscriber in the web server 100 This can be done via a web page.

The operation of FIG. 1 will be described.

When a called subscriber who wants to use a specific sound transmission service applies to a service provider to which he / she belongs, it is registered in the service provider subscriber database 80 and registered in the service provider subscriber database 80 as a home location register 10 which is an element in the network. , The home location register 10 sets the corresponding service in its subscriber database, and service information when the location registration procedure occurs from the home location register 10 to the corresponding switching service (Serving switch) 31 or 32 that is currently moving. And routing data that can be set to a call source providing device (IP) 50, and the switch 32 sets the received service information and routing data in the corresponding subscriber service data. Therefore, when the calling subscriber requests a call setup from the called subscriber, the called exchange 32 detects that a specific sound source transmission service is set based on the set service information, and uses the routing data to transmit the call to the sound source providing apparatus 50. At the same time as the call connection, the called subscriber is informed that the incoming call is introduced (Paging). In this case, the sound source providing apparatus 50 interoperates with the sound source providing control server (IP Server) 70 and inquires about which sound source is set by the corresponding subscriber. The sound source providing control server 70 transfers a code for a particular sound source from the subscriber to the sound source providing apparatus 50. The sound source providing apparatus 50 transmits the sound source for the corresponding code in place of the existing ringback tone so that the caller can listen to the sound source until the called subscriber responds. When the called party receives the incoming call, the called exchange 32 disconnects the call route set by the sound source providing device 50 and connects the called party and the calling party to perform telephone communication.

Subsequently, the subscriber-based ringback tone service method according to the present invention will be described. However, since the present invention is applied to the apparatus of the present invention, it will be described in parallel with its operation.

2 is a flowchart illustrating an example of a service subscription procedure in a subscriber-based ringback tone service method according to the present invention.

First, if there is a subscription request for the service of the present invention, that is, the subscriber-based ringback tone service (S201), it is stored in the subscriber storage database 80 that the service is subscribed to the requestor (ie, the requester's telephone number) according to the request. In addition, the subscription information (including a phone number) is transmitted from the database 80 to the home location register 10 (S202), and the subscriber profile of the home location register 10 subscribes to the service of the present invention. It is set (S203). In addition, new subscriber information including the new subscriber's telephone number and the type of sound source selected by the subscriber is transferred from the database 80 to the sound source providing control server 70 at the time of subscription (S204), and the sound source providing control server 70 is provided. On the basis of the received new subscriber information, and allocates the code of the selected sound source in association with the telephone number of the new subscriber (S205).

On the other hand, in step S205, if the new subscriber information includes information for specifying to send a different sound source for each called party, for each caller group, for each caller, etc., the sound source codes are separately assigned. .

Then, the home location register 10, if there is a location registration request message (Registration Notification) coming from the destination exchange 32 (S206), by checking the subscriber profile is a location registration request from the service subscriber of the present invention (ie After confirming that the location registration request terminal is subscribed to the service of the present invention (S207), if it is not a subscriber, only the response message for location registration is given to the destination exchange 32 in the same manner as the existing method (S208-). 1), in the case of the subscriber, the service setting information of the present invention and the routing information to the sound source providing device 50 (for example, a number that can be routed to the sound source providing device 50: RoutingDigits) in the response message for the location registration. The terminal is lowered to the destination exchange 32 so that the destination exchange 32 has the corresponding information (S208-2).

As an example of the method of transmitting the service configuration information, as shown in FIG. 6, the SRBT field is used by using a reserve field of the additional service parameter CallingFeaturesIndicator2 as a ringback tone field (Specific RingBackTone: SRBT). 2 bits of data (eg, '10' is a service subscription but is inactive, '11' is a service subscription and an active state), and is included in the location registration response message to receive the call from the home location register 10. Delivered to exchange 32. For reference, the VMSB field of FIG. 6 has a Voice Mail Service Busy state, the VMSU field has a Voice Mail Service Busy Unconditional state, and the VMSNA field has a Voice Mail Service Busy Answerer. (Voice Mail Service Busy No Answer) status, FMSNA field is Fax Mail Service No Answer status, FMSB field is Fax Mail Service Busy status, FMSU field is Fax Mail Fax Mail Service Unconditional status, MC field is Multi-Call, CC field is Conference Call, MUDN field is Multiple Unit Directory Number. Represents an additional service represented by 2-bit data, respectively.

3 is a flowchart illustrating an example of a service change / addition procedure in a subscriber-based ringback tone service method according to the present invention.

First, as described above, when a subscribed subscriber accesses a designated web server 100 using a personal computer or the like, the web server 100 can change / add the service of the present invention. Present a web page on the computer's screen.

Therefore, when the subscriber inputs his / her phone number through the web page and requests a replacement sound change by selecting a desired one from the list of sound sources secured in the sound source providing device 50 (S301). The web server 100 requests the replacement sound change request to the sound source providing control server 70 (S302), and the sound source providing control server 70 transmits an existing call to the subscriber (phone number) based on the request. Release the sound source code set in association with and stores the code of the selected sound source so that the selected sound source is provided in place of the ringback tone to the caller of the subscriber's telephone number (S303).

On the other hand, the subscriber selects the addition of the sound source through the web page, and the replacement sound by passing to the web server by attaching a development guide sound file, a logo file, a specific music file, etc. created or obtained with their own phone number When requesting the addition (S304), the web server 100 requests the sound source providing apparatus 50 to add a replacement sound (S305), the sound source providing apparatus 50 based on the request the attached file In addition to securing as an additional sound source (S306), the sound source providing control server 70 allows the code of the additional sound source is linked to the subscriber's telephone number (S307).

4 is a flowchart illustrating an example of a service termination procedure in a subscriber-based ringback tone service method according to the present invention.

First, if there is a cancellation request from the subscriber for the service of the present invention, that is, the subscriber-based ringback tone service (S401), the subscriber storage database 80 to terminate the service subscription for the requestor (ie, requester's telephone number) according to the request. In addition, the cancellation information (including a phone number) is transmitted from the database 80 to the home location register 10 (S402), and the home location register 10 provides the corresponding subscriber profile to the service of the present invention. The subscription is updated to be terminated (S403). In addition, the termination information (that is, subscriber deletion information) including the termination subscriber telephone number is transmitted from the database 80 to the sound source providing control server 70 at the time of termination (S404), and the sound source providing control server 70 Terminates the code of the sound source allocated in step S205 based on the received cancellation information (S405).

5 is a flowchart illustrating an example of a practical service procedure performed after the procedure of FIGS. 2 and / or 3 is completed in the subscriber-based ringback tone service method according to the present invention.

First, when an arbitrary caller calls a service subscriber (hereinafter referred to as a called subscriber) of the present invention and requests a call connection, the calling exchange 31 requests the called location information from the home location register 10 (Location). Request) (S501).

The home location register 10 requests routing information from the destination exchange 32 according to the request (Routing Request) (S502), and accordingly, the destination exchange 32 transmits routing information to the home location register 10. (Ie, provide a TLDN: Temporary Local Directory Number) and respond (S503).

The home location register 10 transmits the routing information to the originating exchange 31 and responds to the step S501 (S504). Accordingly, the originating exchange 31 transmits the routing information based on the routing information. 32) requests the ISUP call connection to form a mutual call path (S505).

Then, the destination exchange 32 sees the service setting information of the present invention (SRBT field of FIG. 6 received and stored in step S208-2 of FIG. 2) stored therein and if the SRBT field is marked with '11', the called party sees it. Recognizing that the subscriber of the invention service and the service activation state, based on the routing information received and stored in step S208-2 of Fig. 2 requests the ISUP call connection to the sound source providing device 50 to form a mutual call path and the incoming call number And also provides the outgoing telephone number (S506). As a result, the call exchanger 31, the call exchanger 32, and the sound source providing device 50 are in a state in which a call path is formed.

The sound source providing device 50 requests a sound source code from the sound source providing control server 70 based on the received incoming call number and the outgoing call number information (S507), and the sound source providing control server 70 provides the In response to the request, a predetermined sound source code is searched in association with the provided incoming / outgoing telephone number and the searched sound source code is transmitted to the sound source providing device 50 in response to step S507 (S508), and the sound source providing device 50 is provided. ) Transmits the replacement sound corresponding to the received sound source code as a ring back tone to the caller through the formed call path (S509).

The destination exchange 32, when the incoming subscriber receives a call while the replacement sound is being transmitted to the ringback tone as described above, requests the sound source providing device 50 to release the ISUP call and the sound source providing device 50. To release the call (S510). At the same time, a call is made between the caller and the called subscriber through the call path mutually formed with the calling exchange 31 (S511).

Meanwhile, in the subscriber-based ringback tone service method according to the present invention, a called subscriber can access the home location register 10 and change the service setting information of the present invention set in the SRBT field of the home location register 10. Make sure For example, when a called subscriber presses a specific key promised through his mobile terminal, the key information is transmitted to the home location register 10, and the home location register 10 is based on the transmitted key information. You can change the two bits of information shown in. However, since the upper bit of the 2 bits indicates the presence or absence of a service of the present invention, the upper bit cannot be changed and the lower bit indicates whether or not the service is activated. That is, in case of a subscriber, there may be two types of data displayed in SRBT, '10' and '11', where '10' indicates service deactivation and '11' indicates service activation. 11 'or' 11 'to' 10 'to allow the called subscriber to use the existing ringback tone as they wish or to use their own alternative ringtone as ringback tone. It allows you to choose. Therefore, when the SRBT field is set to '10', the destination exchange 32 provides the caller with the same ringback tone as the conventional scheme even when the subscriber is a subscriber.

FIG. 7 illustrates an embodiment of a method of changing a sound source in a subscriber-based ringback tone service method according to the present invention, and shows a procedure of changing and setting a ringback tone sound source that a caller has listened to during a call to its own sound source.

First, when any originating subscriber as the service subscriber of the present invention calls the called subscriber and requests a call connection, the calling exchange 31 requests the called location information from the home location register 10 (Location Request) (S701). ).

The home location register 10 requests routing information from the destination exchange 32 according to the request (Routing Request) (S702), and accordingly, the destination exchange 32 transmits routing information to the home location register 10. (Ie, provide a TLDN: Temporary Local Directory Number) and respond (S703).

The home location register 10 transmits the routing information to the originating exchange 31 and responds to the step S701 (S704). Accordingly, the originating exchange 31 transfers the destination exchange based on the routing information. 32) requests the ISUP call connection to form a mutual call path (S705).

Then, the destination exchange 32 sees the service setting information of the present invention (SRBT field of FIG. 6 received and stored in step S208-2 of FIG. 2) stored therein and if the SRBT field is marked with '11', the called party sees it. Recognizing that the subscriber of the invention service and the service activation state, based on the routing information received and stored in step S208-2 of Fig. 2 requests the ISUP call connection to the sound source providing device 50 to form a mutual call path and the incoming call number And also provides the outgoing telephone number (S706). As a result, the call exchanger 31, the call exchanger 32, and the sound source providing device 50 are in a state in which a call path is formed.

The sound source providing device 50 requests a sound source code from the sound source providing control server 70 based on the received incoming call number and the outgoing call number information (S507), and the sound source providing control server 70 provides the In response to the request, the designated sound source code is searched in association with the provided incoming / outgoing telephone number, and the searched sound source code is transmitted to the sound source providing device 50 in response to step S707 (S708), and the sound source providing device 50 is provided. ) Transmits the sound source corresponding to the received sound source code to the caller through the formed call path as an alternative sound of the ringback tone (S709).

The destination exchange 32, when the incoming subscriber receives a call while the replacement sound is being transmitted to the ringback tone as described above, requests the sound source providing device 50 to release the ISUP call and the sound source providing device 50. And to release the arc (S710). At the same time, a call is made between the calling subscriber and the called subscriber through the call path mutually formed with the calling exchange 31 (S711).

While the call is being made between the calling subscriber and the called subscriber as described above, the calling subscriber receives a special number (for example, '* 99') set for the sound source changing service according to the present embodiment through his mobile terminal. Selected and pressed, the selected special number information is recognized at the originating exchange 31 (S712), the originating exchange 31 generates a message for changing the sound source based on the recognized special number information, The message may include, for example, information about the special number, the call number currently being called, and the called number, and may be formed in the form of a feature request mobile application protocol (FeatureRequest MAP) message (S713).

The originating exchange 31 sends the generated message to the home location register 10, and the home location register 10 sees the special number information in the received message and indicates that the message is for sound source change. Recognize and generate a sound source code change request message including information about the caller number and the called party number based on the recognition result; then, the generated sound code change request message corresponds to the caller number according to the Internet protocol. The sound source is transmitted to the control server 70 (S716).

Finally, the sound source providing control server 70 changes the sound source code set corresponding to the calling number to a sound source code set corresponding to the called number based on the received sound source code change request message (S717). .

FIG. 8 is a flowchart showing the detailed procedure of step S717 of FIG. 7, wherein the sound source providing control server 70 is constructed according to the subscriber's telephone number and is constructed in plural numbers on the Internet. An example of the process is described.

First, in step S716 of FIG. 7, the home location register 10 transmits the generated sound code change request message to the source number (that is, the telephone number of the calling subscriber) corresponding to the sound source providing control server #n 70a. And the sound source providing control server #n 70a queries the sound source code corresponding to the called number to the sound source providing control server #m 70b corresponding to the called number (ie, the telephone number of the called subscriber). (S717-1), the sound source providing control server #m 70b provides sound source code information corresponding to the called number to the sound source providing control server #n 70a in response to step S717-1. In operation S717-2, the sound source providing control server #n 70a changes the sound source code preset in correspondence with the calling number to the preset sound source code in correspondence with the called number (S717-3). In the above process, the communication between the sound source providing control server #n 70a and the sound source providing control server #m 70b is based on an Internet protocol.

9 is a view showing another embodiment of a method of changing a sound source in a subscriber-based ringback tone service method according to the present invention, which shows a procedure of changing and setting a ringback tone sound source that a caller recently listened to after completing a call; .

First, when any originating subscriber as the service subscriber of the present invention calls the called subscriber and requests a call connection, the calling exchange 31 requests the called location information from the home location register 10 (Location Request) (S901). ).

The home location register 10 requests routing information from the destination exchange 32 according to the request (Routing Request) (S902), and accordingly, the destination exchange 32 transmits routing information to the home location register 10. (Ie, provide a TLDN: Temporary Local Directory Number) and respond (S903).

The home location register 10 transmits the routing information to the originating exchange 31 and responds to the step S901 (S904). Accordingly, the originating exchange 31 transfers the destination exchange based on the routing information. 32) requests the ISUP call connection to form a mutual call path (S905).

Then, the destination exchange 32 sees the service setting information of the present invention (SRBT field of FIG. 6 received and stored in step S208-2 of FIG. 2) stored therein and if the SRBT field is marked with '11', the called party sees it. Recognizing that the subscriber of the invention service and the service activation state, based on the routing information received and stored in step S208-2 of Fig. 2 requests the ISUP call connection to the sound source providing device 50 to form a mutual call path and the incoming call number And also provides the outgoing phone number (S906). As a result, the call exchanger 31, the call exchanger 32, and the sound source providing device 50 are in a state in which a call path is formed.

The sound source providing device 50 requests a sound source code from the sound source providing control server 70 based on the received incoming call number and the outgoing call number information (S907), and the sound source providing control server 70 sends the In response to the request, the designated sound source code is searched in association with the provided incoming / outgoing telephone number and the searched sound source code is transmitted to the sound source providing device 50 in response to step S907 (S908), and the sound source providing device 50 is provided. ) Transmits the sound source corresponding to the received sound source code to the caller through the formed call path as an alternative sound of the ringback tone (S909).

The destination exchange 32, when the incoming subscriber receives a call while the replacement sound is being transmitted to the ringback tone as described above, requests the sound source providing device 50 to release the ISUP call and the sound source providing device 50. And to release the arc (S910). At the same time, a call is made between the calling subscriber and the called party through the call path mutually formed with the calling exchange 31, and when the call is completed, a call path is established between the calling exchange 31 and the called exchange 32. Release (S911).

After the call is completed between the calling subscriber and the called subscriber as described above, when the calling mobile terminal of the caller is connected to a specific answering service server (ARS server) via the calling exchange 31 (S912, S913), ARS server communicates with the calling mobile terminal in accordance with the promised answering communication scenario, and the first subscriber's telephone number as the telephone number of the calling subscriber selected and entered by the user (ie calling subscriber) through the calling mobile terminal. And a second telephone number as the telephone number of the called party to which the calling party has made the call (S914).

Subsequently, the ARS server generates a sound code change request message including information on the received first subscriber phone number and the second subscriber phone number, and then transmits the generated sound code change request message according to the Internet protocol. The sound source providing control server 70 corresponding to the first subscriber telephone number is transmitted (S915). Here, the ARS server is assumed to have pre-stored routing information to the sound source providing control server 70.

Finally, the sound source providing control server 70 transmits a sound source code corresponding to the first subscriber telephone number based on the received sound source code change request message to a preset sound source code corresponding to the second subscriber telephone number. (S916) and inform the ARS server of the result of the change in response to step S915 (S917), the ARS server transmits a voice message indicating that the sound source has been changed to the connected calling mobile terminal (S917). S918).

Fig. 10 is a flowchart showing the detailed procedure of step S916 of Fig. 9, wherein the sound source providing control server 70 is constructed according to the subscriber's telephone number and constructed in plural numbers on the Internet. An example of the process is described.

First, in step S915 of FIG. 9, the ARS server sends the generated sound code change request message to the sound source providing control server #n 70a corresponding to the first subscriber telephone number (ie, the calling subscriber's telephone number). And the sound source providing control server #n 70a corresponds to the second subscriber telephone number to the sound source providing control server #m 70b corresponding to the second subscriber telephone number (ie, the telephone number of the called subscriber). Query the sound source code (S916-1), and the sound source providing control server #m 70b sends sound source code information corresponding to the second subscriber telephone number in response to the step S916-1. and providing the #n 70a (S916-2), and the sound source providing control server #n 70a presets a sound source code corresponding to the first subscriber's telephone number and corresponding to the second subscriber's telephone number. We change to sound source cord (S916- 3). In the above process, the communication between the sound source providing control server #n 70a and the sound source providing control server #m 70b is made based on an Internet protocol, and the ARS server is the plurality of sound sources constructed on the Internet. It is assumed that each routing information to the providing control servers 70a and 70b is provided for each subscriber's telephone number.

Meanwhile, as an embodiment of the modification of FIG. 9, when accessing the originating mobile terminal and the ARS server through the steps S912 and S913, the process of step S914 is excluded and according to the recent call information stored in the originating mobile terminal. Setting a called party number as the second subscriber's phone number and setting its own phone number as the second subscriber's phone number to automatically post the set first and second subscriber phone numbers to the connected ARS server. Can be adopted.

As described in detail above, according to the method of changing a sound source in a subscriber-based ringback tone service according to the present invention, the receiving subscriber himself or herself may register or select a desired sound source in a network to provide a personal PR service means capable of PR (self). Incoming subscribers can store / transmit sound sources such as their own voices, so that their identity can be notified to the outgoing subscribers, and incoming subscribers such as corporations have the opportunity to publicize their company. In the subscriber-based ringback tone service that provides the user, the calling subscriber can bring the incoming subscriber's sound source to his own sound source and set it as a ringback tone replacement sound.

Claims (8)

In the ringback tone implementation method in a communication network, The first information for providing the first information on the presence or absence of ringback tone replacement preset in the home location register and the second information for routing to the sound source providing means, from the home location register to the corresponding destination exchange when registering the location of the called subscriber. step; At the destination exchange, upon acknowledgment of a call connection request from the originating exchange to the called subscriber, based on the provided first information and the second information, a ringback tone is provided to the caller or a trunk is provided to the sound source providing means. A second step of requesting a call connection; In the sound source providing means, after connecting the trunk call based on the trunk call connection request, the sound source code preset for the telephone number of the called subscriber is searched from the sound source providing control means, and the sound source corresponding to the searched sound source code is found. Providing the caller through the trunk call connected destination exchange in place of the ring back tone; A fourth step in the destination exchange, requesting release of the connected trunk call to the sound source providing means when the incoming subscriber recognizes an incoming call, and the sound source providing means releasing the connected trunk call based on the call release request; ; A fifth step of generating, at the originating exchange, a message including the special number, a corresponding called number, and a calling number based on the special number information selected from the caller during a call and transmitting the message to the home location register; A sixth step of transmitting, at the home location register, a sound source code change request message to the sound source providing control means based on the received message; And And a seventh step of changing, in the sound source providing control means, a sound source code preset in response to the caller number to a sound source code preset in response to the called number based on the received sound source code change request message. A method of changing a sound source in a subscriber based ringback tone service, characterized in that the. The method of claim 1, And a communication between the home location register and the sound source providing control means based on an internet protocol. The method of claim 1, The method of claim 5, wherein the message generated by the originating exchange and transmitted to the home location register is a feature request mobile application protocol (FeatureRequest MAP) message. The method of claim 1, When the sound source providing control means includes a plurality of means, in the sixth step, the home location register transmits the sound source code change request message to the first sound source providing control means corresponding to the calling number, and in the seventh step, The first sound source providing control means queries the sound source code corresponding to the called number with the second sound source providing control means corresponding to the called number, and transmits the sound source code of the called number received in response to the query. A method for changing a sound source in a subscriber based ringback tone service, characterized by changing a sound source code of a number. The method according to claim 1 or 4, And a communication between the sound source providing means and the sound source providing control means based on an internet protocol. Providing first information on the presence or absence of ringback tone replacement preset in the home location register and second information for routing to the sound source providing means from the home location register to the corresponding destination exchange when registering the destination of the called subscriber; ; At the destination exchange, upon acknowledgment of a call connection request from the originating exchange to the called subscriber, based on the provided first information and the second information, a ringback tone is provided to the caller or a trunk is provided to the sound source providing means. Requesting a call connection; In the sound source providing means, after connecting the trunk call based on the trunk call connection request, the sound source code preset for the telephone number of the called subscriber is searched from the sound source providing control means, and the sound source corresponding to the searched sound source code is found. Providing the caller through the trunk call connected destination exchange in place of the ring back tone; Requesting release of the connected trunk call to the sound source providing means when the incoming exchange recognizes the incoming call, and the sound source providing means releases the connected trunk call based on the call release request. In the subscriber-based ringback tone service method configured by In the answering machine service server, having the routing information to the sound source providing control means corresponding to the subscriber telephone number, the telephone number information of the first subscriber and the specific second subscriber in accordance with the answering machine communication with the connected first subscriber. A first step of receiving telephone number information and transmitting a sound source code change request message to a first sound source providing control means corresponding to the telephone number of the first subscriber; And According to the routing information from the first sound source providing control means to the second sound source providing control means corresponding to the telephone number of the second subscriber, the second sound source providing control means corresponding to the telephone number of the second subscriber. And querying the sound source code to change the sound source code of the telephone number of the first subscriber to the sound source code of the telephone number of the second subscriber received in response to the query. How to change the sound source based on ringback tone service. The method of claim 6, In the first step, when the mobile terminal of the first subscriber connects to the answering service server, the mobile terminal sets its own telephone number as the telephone number information of the first subscriber, and uses the telephone number of the last call as the second subscriber. And the telephone number information of the user, the sound source changing method in the subscriber-based ringback tone service, characterized in that provided to the connected answering server. The method of claim 6, In the subscriber-based ringback tone service, the telephone number information of the first subscriber and the telephone number information of the second subscriber are information input through the mobile terminal of the first subscriber according to the answering machine communication. How to change the sound source.