KR100915526B1 - Interworking system and method for providing multimedia ring back tone service between operators - Google Patents

Abstract

The present invention relates to an interworking system for providing a multimedia ringback tone service between service provider networks. To this end, each service provider network according to the present invention transmits and receives a call-related message between called party terminals in different networks, and provides a multimedia ringback tone service. The call processing interworking device that provides the called party information requesting the call connection setting to provide, the multimedia ringback tone application server that receives the caller information from the call processing interworking device and requests the multimedia ringback tone service, and subscribes to the multimedia ringback tone service. A ringback tone content provided from subscribers is stored, and includes a media server providing multimedia ringback tone service to a caller terminal at the request of a multimedia ringback tone application server.

The present invention provides a multimedia ringback tone service through service interworking between other service provider networks, thereby enabling users to enjoy various contents created according to personal preferences when connecting to all other users affiliated with a specific communication / internet provider. Can provide services.

Description

Interworking system to provide multimedia ringback tone service between service providers and service providing method using same {INTERWORKING SYSTEM AND METHOD FOR PROVIDING MULTIMEDIA RING BACK TONE SERVICE BETWEEN OPERATORS}

The present invention relates to an interworking system for providing a multimedia ringback tone service between service providers and a service providing method using the same.

Voice over IP (VoIP) refers to a telephone call using a terminal capable of accessing the Internet. Currently, various types of terminals capable of Internet telephony have been released, and video telephone terminals capable of using various video data as well as voice have been developed, and have been provided as pilot services by various domestic communication providers.

Currently, video telephony service is provided by several mobile operators and few subscribers are using the service, but in the future, video telephony service is expected to be activated on the Internet.

The supplementary services of Internet telephony or video telephony can vary widely, but the easiest and most inexpensive service for subscribers can be called ringback tone or coloring service. This service is recognized as a service that can increase high value, and is one of the preferred services of domestic service providers.

In particular, it is a supplementary service that allows the caller to listen to the ringback tone stored in advance using multimedia as well as a sound source while making a video call.

Currently, Internet telephony or video telephony services are provided only in a limited environment or domestic WCDMA mobile communication service providers, which are provided only to users of each service provider or Internet service provider. However, the telephone call service used as a basis for personal life is not limited to a specific technology, but is a public service that must be provided between all users independently of a telecommunications / internet provider. To this end, there is a need for an interlocking system and a method for providing this service universally so that a multimedia ringback tone service can be interoperated between service provider networks.

As such, the conventional multimedia ringback tone or coloring service is being provided as a pilot service in a WCDMA mobile communication environment. This is a service that can be used between mobile communication subscribers using a circuit-based WCDMA technology using a video telephone terminal, which is not implemented on a regular wire, that is, wired Internet.

That is, until now, since video phone supplementary services have been developed and partially provided between mobile carriers or between specific wired and mobile carriers, all users cannot use video telephone supplementary services.

For this reason, domestic wired operators are considering a multimedia ringback tone service interworking between the Internet and the existing PSTN telephone network in the process of preparing a video telephone commercialization service on the Internet.

Accordingly, the present invention provides an interworking system and a service providing method capable of supporting a multimedia ringback tone service when a call is made through a video phone between different providers on the Internet.

In addition, the present invention, when trying to communicate by using a video telephone terminal between all the users of different communication or Internet operators on the Internet using a video phone terminal, in the process of connecting the call to the caller produced a variety of multimedia sound and video ringback tone In order to support additional services that can be delivered, we propose interworking systems and service support methods between providers.

In accordance with a first aspect of the present invention, an interworking system for providing a multimedia ringback tone service between an operator network and transmitting and receiving a call-related message between called party terminals in different networks is provided to each provider network, and provides the multimedia ringback tone service. A call processing interworking device for providing called party information for requesting call connection establishment; a multimedia ringback tone application server receiving the called party information from the call processing interworking device and requesting the multimedia ringback tone service; Ring back tone content provided from subscribers is stored, and includes a media server providing the multimedia ring back tone service to the caller terminal at the request of the multimedia ring back tone application server.

According to a second aspect of the present invention, a service providing method of an interworking system for providing a multimedia ringback tone service between carrier networks includes (a) when a caller terminal of an operator network requests a call connection to a called party terminal in another operator network. Transmitting a call connection request message from a network to the other network, (b) determining whether the called party is a multimedia ringback tone service subscriber based on the call connection request message from the other network, and (c) Determining whether there is a multimedia ringback tone content registered by the called party when the called party is a subscriber of the multimedia ringback tone service; and (d) when the called party registers the multimedia ringback tone content registered by the called party. Providing to the caller terminal through the network of Po It is.

The present invention provides a multimedia ringback tone service between different operator networks.

The present invention provides a multimedia ringback tone service through service interworking between other service provider networks, thereby enabling users to enjoy various contents created according to personal preferences when connecting to all other users affiliated with a specific communication / internet provider. Can provide services.

1 is a block diagram illustrating an interworking system for interworking a multimedia ringback tone service between different service providers networks according to a preferred embodiment of the present invention.

2 is a flowchart illustrating an overall operation process of an interworking system according to an exemplary embodiment of the present invention.

3 is a flowchart illustrating a process of operating a call processing interworking device in a network of a called party.

4 is a flowchart illustrating a process of operating a multimedia ringback tone application server in a carrier network of a called party.

5 is a flowchart illustrating a process of operating a media server in a called party's operator network.

<Description of the code | symbol about the principal part of drawing>

100: first network operator 102: video terminal

104: call processing interworking device 106: multimedia ringback tone application server

108: media server 150: second carrier network

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

In the preferred embodiment of the present invention, a system and method for providing a multimedia ringback tone service when connecting different service provider networks are described.

1 is a block diagram showing an interworking system for interworking multimedia ringback tone services between different service providers networks according to a preferred embodiment of the present invention, and is largely composed of a first service provider network 100 and a second service provider network 150. Each provider network 100, 150 includes a video terminal 102, a call processing interworking device 104, a multimedia ringback tone application server 106, and a media server 108.

The video terminal 102 is a means for allowing a subscriber to make a video call or a voice call with a desired party using voice or video information. Examples of the video terminal 102 include a mobile communication terminal, a general wired terminal, and an internet phone. Provide related messages, such as SIP based SIP messages, to the call processing interworking device 104.

The call processing interworking device 104 receives a message based on a request related to a call, for example, call connection, establishment and termination, for example, a SIP-based SIP message from the video terminal 102 from another video network 102. It is an interworking device that manages call connection, such as transferring to a call processing interworking device. That is, the call processing interworking device 104 of the first provider network 100 transmits the call connection request message received according to the call connection request of the video terminal 102 of the first network 100 to the second provider network 150. Provide call processing interworking device 104 of the call management by providing a call termination request management.

The call processing interworking device 104 provides the called party information in the call connection request message to the multimedia ringback tone application server 106 as the call connection request message is received.

The multimedia ringback tone application server 106 is an application server for managing whether a subscriber to a ringback tone supplementary service subscriber, a ringback tone service provision condition, and a registered multimedia ringback tone is a multimedia ringback tone service subscription based on called party information. After checking whether there is a ringback tone registered by the called party, and requesting the multimedia ringback tone service, the media server 108 is requested.

Here, the multimedia ringback tone application server 106 determines whether to subscribe to the multimedia ringback tone service on the basis of the called party information and then provides the media server 108 with information on the determination result. That is, the multimedia ringback tone application server 106 provides the media server 108 with content related information according to a result of checking whether the multimedia ringback tone service is subscribed to and whether the ringback tone registered by the called party is present based on the called party information.

The media server 108 stores various types of ringback tone content registered by a user in a database (not shown), and stores the ringback tone content corresponding to the content related information at the request of the multimedia ringback tone application server 106. After extracting or extracting a predetermined ring back tone content and transmits it to the caller video terminal (102).

That is, the media server 108 provides preset callback content to the caller video terminal 102 when the called party is not subscribed to the multimedia ringback tone service. Otherwise, the media server 108 provides a ringback tone corresponding to the called party information through a database search. The content is extracted and then provided to the caller video terminal 102.

Meanwhile, when the called party subscribes to the multimedia ringback tone service but the ringback tone content registered by the called party does not exist, the media server 108 provides the caller video terminal 102 with the preset ringback tone content.

The operation of the interlocking system having the above configuration will be described with reference to FIGS. 2 to 5.

FIG. 2 is a flowchart illustrating an overall operation process of an interworking system according to an exemplary embodiment of the present invention. FIG. 3 is a flowchart illustrating a process of operating a call processing interworking device in a network of a called party. FIG. 5 is a flowchart illustrating a process of operating a multimedia ringback tone application server in an operator network. FIG. 5 is a flowchart illustrating a process of operating a media server in an operator network.

Referring to FIG. 2, first, a video terminal 102 (caller video terminal) of a first provider network 100 generates a call connection request message, for example, a SIP-based INVITE message, to process a call of the first provider network 100. When transmitting to the companion device 104 (S200), the call processing companion device 104 provides a SIP INVITE message to the call processing companion device 104 of the second provider network 150 (S202).

The call processing interworking device 104 of the second provider network 150 transmits an INVITE message to the multimedia ringback tone application server 106 of the second provider network 150 to check whether the called party subscribes to the multimedia ringback tone service. (S204).

The multimedia ringback tone application server 106 of the second provider network 150 checks whether the called party subscribes to the multimedia ringback tone service by using the called party information in the INVITE message. 2, the recipient information in the INVITE message is provided to the media server 108 of the operator network 150 (S206). Accordingly, the media server 108 of the second operator's network 150 searches for a multimedia ringback tone content corresponding to the called party information in a database and provides it to the caller's video terminal 102 (S208). Informs 106 the processing result of the multimedia ringback tone service (S210).

The multimedia ringback tone application server 106 of the second provider network 150 receives the processing result of the media server 108 and provides it to the call processing interworking device 104 (S212), and the call processing interworking device 104 The INVITE message is delivered to the called party video terminal 102 and attempts to make a video call connection (S214).

When the called party video terminal 102 answers (S216), the called party video terminal 102 transmits an OK response message to the call processing interworking device 104 of the second operator network 150 (S216). The call processing interworking device 104 of the operator network 150 provides an OK response message to the call processing interworking device 104 of the first provider network 100, thereby causing the call processing interworking device of the first provider network 100 to operate. 104 provides it to the caller video terminal 102 (S218).

Finally, the caller video terminal 102 receives an OK response message through the call processing interworking device 104 of the first service provider network 100 and connects the call with the caller video terminal 102 in the second service provider network 150. The call is started (S220).

On the other hand, in S216, when no answer is received from the called party video terminal 102 or a phone call, an error message indicating that call setup for call connection is impossible is performed through the call processing interworking device 104 of the first provider network 100. The call is provided to the video terminal 102.

When the call processing interworking device 104 of the second provider network 150 including the called party video terminal 102 operates, the process of the second service provider network 150 is illustrated in FIG. 3. Call processing interworking device 104 of the first operator network 100 receives the INVITE message from the call processing interworking device 100 (S300), and determines whether the called party in the INVITE message is his or her managed subscribers ( S302).

As a result of the determination in S302, when the called party is a subscriber he manages, the call processing interworking device 104 provides an INVITE message to the multimedia ringback tone application server 106 (S304), and receives a response thereto (S306). . At this time, the response informs the multimedia ringback tone service processing result.

The call processing interworking device 104 that has received the response processes an error internally (S310) when an error occurs in the service processing result (S308). Otherwise, the INVITE message is transmitted to the called party's video terminal 102 (S312). As a response message is received from the called party's video terminal 102, it provides it to the call processing interworking device 104 of the first operator's network 100, which is the calling party's network (S314).

Meanwhile, when the called party in the INVITE message is not a subscriber managed by the second provider network 150 in S302, the call processing interworking device 104 processes a routing error (S316).

When the multimedia ringback tone application server 106 of the second network operator 150, which is the called party network, receives an INVITE message from the call processing interworking device 104, an operation of the multimedia ringback tone is illustrated in FIG. The application server 106 determines whether the called party is a multimedia ringback tone service subscriber based on the called party information in the INVITE message (S400 and S402).

As a result of the determination in S402, when the called party is the subscriber of the multimedia ringback tone service, the multimedia ringback tone application server 106 determines whether the called party is a user who has previously set the ringback tone content (S404). If the user is a preset user, the media server 108 requests the multimedia server to provide the multimedia ringback tone service using the ringback tone content set by the called party (S406), and then receives a corresponding response (S408).

The multimedia ring back tone application server 106 processes the error S412 internally when the response of the media server 108 is an error (S410), and otherwise informs the call processing interworking device 104 that it has been processed normally ( S414).

On the other hand, if the called party is not the subscriber of the multimedia ringback tone service as a result of the determination in S402, or if the called party is not a user who has previously set the ringback tone as a result of the determination in S404, the multimedia ringback tone application server 106 sends a message to the media server 108. Request to provide the set ring back tone (S416).

A process of processing by the media server 108 that receives the request of the multimedia ringback tone application server 106 in the second operator network 150 that is the called party network will be described. As shown in FIG. 5, the media server 108 is described. ) Is provided with content related information from the multimedia ringback tone application server 106 (S500), and determines whether there is ringback tone content corresponding to the content related information through a search of a database (S502, S504).

As a result of the determination in S504, if there is ringback tone content corresponding to the content related information, the media server 108 transmits the retrieved ringback tone content to the caller video terminal 102 and processes the multimedia ringback tone application server through a response. 106) (S506, S508).

As a result of the determination of S504, when there is no ringback tone content corresponding to the content related information, the media server 108 provides the ringback tone content to the caller video terminal 102 (S510) and then the multimedia ringback tone application server ( 106).

According to the present invention, it is possible to provide a multimedia ringback tone service between different provider networks by connecting different operator networks based on SIP and providing a multimedia ringback tone service based on this.

It has been described so far limited to one embodiment of the present invention, it is obvious that the technology of the present invention can be easily modified by those skilled in the art. Such modified embodiments should be included in the technical spirit described in the claims of the present invention.

Claims (8)

As an interworking system for providing a multimedia ringback tone service between different operator networks, In each net, A call processing interworking device which transmits and receives a call-related message between called party terminals in different networks and provides called party information for requesting call connection establishment to provide the multimedia ringback tone service; A multimedia ringback tone application server receiving the called party information from the call processing companion device and requesting the multimedia ringback tone service; The media server provides ringback tone content provided from subscribers subscribing to the multimedia ringback tone service and provides the multimedia ringback tone service to the caller terminal at the request of the multimedia ringback tone application server. Interworking system for providing a service provider manganese multimedia ringback tone comprising a. The method of claim 1, The call processing interworking device is a linkage system for providing a multimedia ringback tone service between a service provider network, characterized in that for transmitting and receiving a SIP message based on a SIP protocol. The method of claim 1, The multimedia ringback tone application server requests the media server to provide preset ringback tone content to the caller terminal when the called party is a subscriber of the multimedia ringback tone service but the ringback tone content set by the called party does not exist. Interworking system for providing a service provider manganese multimedia ringback tone. The method of claim 1, The multimedia ring back tone application server, based on the called party information, is not a subscriber to the multimedia ring back tone service. The service provider manganese multimedia ring back tone service, characterized in that requesting the media server to provide preset ring back tone content to the caller terminal. Interlocking system for provision. (a) transmitting a call connection request message from the arbitrary network to the other network when the caller terminal of an operator network requests a call connection to a called party terminal in another operator network; (b) determining whether the called party is a multimedia ringback tone service subscriber based on a call connection request message in the other network; (c) if the called party is a subscriber of a multimedia ringback tone service, determining whether there is multimedia ringback tone content registered by the called party; (d) providing multimedia ringback tone content registered by the called party to the caller terminal through the arbitrary network when the ringer tone content registered by the called party exists; Service providing method of the interworking system for providing a service provider manganese multimedia ringback tone comprising a. The method of claim 5, wherein When the called party is not a subscriber to the multimedia ringback tone service, a service providing method of an interworking system for providing a multimedia ringback tone service between service provider networks, characterized in that the preset multimedia ringback tone content is provided to the caller terminal in the service provider network. . The method of claim 5, wherein If there is no multimedia ringback tone content registered by the called party, providing a service of the interworking system for providing a multimedia ringback tone service between service providers, characterized in that a preset multimedia ringback tone content is provided to the caller terminal in the service provider network. Way. The method of claim 5, wherein The call connection request message is a service providing method of an interworking system for providing a multimedia ringback tone service between service providers, characterized in that the SIP-based SIP message.