KR20050107168A - System and method for serving multimedia - Google Patents

Abstract

The present invention relates to a multimedia service system and method, and more particularly, to a multimedia service system and method for integrating various communication standards to provide various multimedia information through video telephony based on the integrated various communication standards. The present invention integrates various communication standards and provides various multimedia information through video telephony based on the integrated various communication standards, thereby enabling multimedia services between video telephony having different communication standards, and also through a line network. Multimedia services can be enabled.

Description

Multimedia service system and method {System And Method For Serving Multimedia}

The present invention relates to a multimedia service system and method, and more particularly, to a multimedia service system and method for integrating various communication standards to provide various multimedia information through video telephony based on the integrated various communication standards.

In general, a multimedia service through a video call refers to a service that provides various multimedia information such as a movie, a music video, an advertisement, and an automatic video answer through a video call.

A conventional video telephone service network will be described with reference to FIG.

1 is a diagram illustrating a conventional video telephone service network.

First, FIG. 1A illustrates a video telephone service network based on a conventional H.323 communication standard, and a video telephone service network based on a conventional H.323 communication standard includes first and second H.323 video telephones (1, 2). ), Base Station Controller / Point Control Function (BSC / PCF) (3), Packet Data Serving Node (PDSN) (4), Internet Protocol Network (H.323), Internet Protocol Network (AAA), Authentication, Authorization and Accounting (5) and gatekeeper (6). Here, the H.323 communication standard relates to providing a video telephone service in an IP network, which is a packet data network.

The first H.323 video phone 1 is connected to the IP network through the BSC / PCF 3 and the PDSN 4 based on the H.323 communication standard, and the IP network is connected to the AAA 5. Each of the second H.323 video telephones 2 is connected to the IP network through a wired network based on an H.323 communication standard.

As illustrated in FIG. 1A, in the H.323 communication standard based video telephone service network, the first H.323 video telephone 1 and the second H.323 video telephone 2 communicate with the H.323 communication. It can be seen that the video phone service is performed through the standard-based IP network. That is, H.323 communication standard based video telephony service is available only between the same H.323 communication standard based video telephony, and H.323 communication standard based video telephony service is available only through H.323 communication standard based IP network. Can be.

Next, FIG. 1B illustrates a video telephony service network based on a conventional SIP (Session Initiation Protocol) communication standard, and a video telephony service network based on a conventional SIP communication standard includes first and second SIP video phones 11 and 12. ), A BSC / PCF 13, a PDSN 14, a SIP communication standard based IP network, an AAA 15, a SIP proxy 16, and a registrar 17. Here, the SIP communication standard is a protocol for controlling a general telephone service call in order to connect a telephone using an IP network.

The first SIP video telephone 11 is connected to the IP network through the BSC / PCF 13 and the PDSN 14 based on a SIP communication standard, and the IP network is connected to the AAA 15 and the SIP proxy 16. And the second SIP video phone 12 are connected to the IP network through a wired network based on a SIP communication standard.

As shown in FIG. 1B, in the conventional SIP communication standard based video telephone service network, the first SIP video telephone 11 and the second SIP video telephone 12 are video telephones over the SIP communication standard based IP network. You can see that it performs a service. That is, it can be seen that the video communication service based on the SIP communication standard is possible only between the same SIP communication standard based video phone, and the video communication service based on the SIP communication standard is possible only through the SIP communication standard based IP network.

Hereinafter, a second generation multimedia service network of the related art will be described with reference to FIG. 2.

2 is a diagram illustrating a conventional second generation multimedia service network.

The second generation multimedia service network based on the conventional H.320 communication standard includes the first and second H.320 video telephones 21 and 22, the first and second base transceiver stations (BTS) 23 and 31, and the first, 2 BSC (24,30), MSC / VLR (Mobile Switching Center / Visitor Location Register) (25,29), PCF (26), PDSN (27), Mobile Network, Mobile Network based on SIP communication standard , A multimedia message server (MMS) 28, a contents provider 32, and a streaming server 33. Here, the H.320 communication standard is an ITU-T recommendation that defines the configuration of a video conferencing terminal system. Deciding.

The first H.320 video phone 21 is connected to the mobile network through the first BTS 23, the first BSC 24, and the first MSC / VLR 25 based on the H.320 communication standard. The first H.320 video phone 21 is also connected to the IP network through the first BTS 23, the first BSC 24, the PCF 26, and the PDSN 27. 2 H.320 video phone 22 is connected to the mobile network through the second BTS 31, the second BSC 30 and the second MSC / VLR 29 based on the H.320 communication standard, The IP network is connected to the MMS 28, the content provider 32 and the streaming server 33, respectively.

As shown in FIG. 2, in the second generation multimedia service network based on the conventional H.320 communication standard, the first H.320 video phone 21 and the second H.320 video phone 22 are connected to the mobile network. The first H.320 video phone 21 and the MMS 28, the content providing unit 32 and the streaming server 33 through the SIP communication standard based IP network You can see that it performs a service. That is, it can be seen that H.320 communication standard based video telephony service is available only between the same H.320 communication standard based video telephony, and H.320 communication standard based multimedia service is available only through SIP communication standard based IP network.

Below. A multimedia service network using a third generation video telephone according to the related art will be described with reference to FIG. 3.

3 is a diagram illustrating a multimedia service network using a conventional third generation video telephone.

The multimedia service network using the third generation video phone based on the conventional H.324M communication standard includes the first and second H.324M (Mobile) video phones 41 and 42 and the first and second Node Bs 43. 52), first and second random access network (RAN) (44,51), first and second MSC / VLR (45,50), mobile network, SIP communication standard based IP network, Service GPRS Support Node (SGSN) (46), Gateway GPRS Service Node (GGSN) (47), Home Location Register (HLR) (48), H.324M communication standard based multimedia service system (49), content provider (53) and streaming server (54) Is made of. Here, H.324M is an improvement on H.324, a system protocol developed recently based on a public switched telephone network (PSTN) network for mobile communication.

The first H.324M video phone 41 is connected to the mobile network through the first Node B 43, the first RAN 44, and the first MSC / VLR 45 based on the H.324M communication standard. In addition, the first H.324M video telephone 41 is based on the SIP and the SIP communication standard through the first Node B 43, the first RAN 44, SGSN 46 and GGSN 47 Is connected to an IP network, and the second H.324M video telephone 42 is connected to the mobile network through the first Node B 52, the second RAN 51, and the second MSC / VLR 50; The mobile network is connected to the HLR 48 and the multimedia service system 49, respectively.

As illustrated in FIG. 3, in the third generation multimedia service network based on the conventional H.324M communication standard, the first H.324M video phone 41 and the second H.324M video phone 42 are connected to the mobile network. The first H.324M video phone 41 and the multimedia service system 49, the content provider 53 and the streaming server 54 are based on the SIP communication standard with the mobile network. It can be seen that the multimedia service is performed through the IP network. In other words, H.324M communication standard based video telephony service is available only between the same H.324M communication standard based video telephony, and H.324M communication standard based multimedia service is available only through mobile network and SIP communication standard based IP network. Can be.

Therefore, in the conventional multimedia service network, a multimedia service such as a video call service is possible only between video phones that meet the communication standard, and moreover, the multimedia service is only available through a mobile network or an IP network based on SIP communication standard. There is a problem in that a multimedia service is not possible between video phones that do not operate, and a multimedia service through a circuit based network is impossible.

In order to solve the problems described above, an object of the present invention is to integrate various communication standards and provide various multimedia information through video telephony based on the integrated various communication standards, thereby enabling multimedia even between different video telephony. Service is possible, and multimedia service is also possible through the circuit network.

In order to solve the above object, the multimedia service system of the present invention transmits a multimedia information request and receives corresponding multimedia information. A client block including at least one of a standard-based second video telephone or a first and second IP network interworking communication standard-based third video telephone, a content providing block comprising a plurality of service providing units for providing the multimedia information, and And a multimedia service system configured to provide a multimedia service by transmitting the multimedia information to the first, second, and third video telephones in association with the client block and the content providing block. 1 video phone and line network Interworking with the same communication standard based line network, interworking with the second video phone and PSTN (ISDN) network interworking communication standard based PSTN (ISDN) network, interworking communication with the third video phone and the first and second IP networks Interworking through a standard-based IP network, integrating the various communication standards and searching for corresponding multimedia information according to the multimedia information request based on the integrated various communication standards, and requesting the multimedia information for the multimedia information. It provides a multimedia service by transmitting to a 2,3 video phone.

In addition, the multimedia service method according to the present invention transmits a multimedia information request and receives corresponding multimedia information. The first video telephone based on the circuit network interworking communication standard, the second video telephone based on the PSTN (ISDN) network interworking communication standard, A client block comprising at least one of a first and second IP video interworking communication standard-based third video telephone, a content providing block comprising a plurality of service providing units for providing the multimedia information, and the client block and the content providing block. A multimedia service network comprising a multimedia service system for providing a multimedia service by transmitting the multimedia information to the first, second and third video telephones in response to the call request and receiving the multimedia information request including a video call setup request. After the process of delivery; Retrieving a subscriber profile to determine whether the user requesting the multimedia information is a multimedia service subscriber and transmitting an initial menu image to the videophone requesting the multimedia information when the subscriber is a subscriber; Receiving the menu selection message, processing the call, and transferring the same to search for multimedia information according to the menu selection; Converting the retrieved multimedia information into a voice / video format capable of multimedia service and transmitting the multimedia information to the video phone requesting the multimedia information; And receiving the video call release request and releasing the video call with the video call requesting the multimedia information.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

First, a multimedia service network to which the present invention is applied will be described with reference to FIG. 4.

4 is a diagram illustrating a multimedia service network to which the present invention is applied.

The multimedia service network to which the present invention is applied includes a multimedia service system 100, a client block 200, and a content providing block 300.

The client block 200 transmits a request for multimedia information and receives corresponding multimedia information. The first video telephone 210 based on the H.324M (3G-324M) communication standard, which is a circuit network interworking communication standard, and PSTN (ISDN) ) At least one of the H.320 communication standard-based second video telephone 220 or the H.323 / SIP communication standard-based third video telephone 230 as the first and second IP network interworking communication standards. It is made to include.

The content providing block 300 provides multimedia information such as a movie, a music video, an advertisement, an automatic picture response, other moving pictures, and a still picture, and includes a plurality of service providing units 310, 320, 330, and 340.

The multimedia service system 100 interworks with the first video phone 210 through a H.324M (3G-324M) communication standard based line network, which is a line network interworking communication standard, and the second video phone 220. H.320 communication standard based on the PSTN (ISDN) network interworking communication standard, interworking through the PSTN (ISDN) network, H.323 / SIP communication of the third video phone 230 and the first and second IP network interworking communication By interworking through a standard-based IP network, the respective communication standards are integrated to search for corresponding multimedia information according to the multimedia information request based on the integrated various communication standards, and each of the first, requesting the multimedia information for multimedia information. It transmits to 2,3 video telephones 210, 220 and 230 to provide a multimedia service.

Hereinafter, the multimedia service system 100 will be described in detail with reference to FIG. 5.

5 is a diagram illustrating a multimedia service system according to an embodiment of the present invention.

Multimedia service system according to an embodiment of the present invention is the linking unit 110, service processing unit 120, multimedia converter 130, DB (DataBase) linking unit 140, DB 150, content management unit 160 And an operation management unit 170.

The interworking unit 110 may be configured according to various communication standards such as H.324M (3G-324M), H.320, H.323, SIP, and various networks such as line network, PSTN (ISDN) network, and IP network. Interface with the first, second and third video telephones 210, 220 and 230 and call processing, and control the transmission of the corresponding multimedia information to the first and second and third video telephones 210, 220 and 230 that have received the multimedia information request. The first call processing module 111, the second call processing module 112, the third call processing module 113, and the fourth call processing module 114 are included.

The first call processing module 111 performs interface and call processing with the first video telephone 210 through the H.324M (3G-324) communication standard based line network, which is the line network communication standard, and performs the multimedia information. Receiving the request to control the corresponding multimedia information transmission to the first video telephone 210 requesting the multimedia information.

The second call processing module 112 performs interface and call processing with the second video telephone 220 through the PSTN (ISDN) network based on the H.320 communication standard, which is the PSTN (ISDN) network interworking communication standard. The multimedia information request is received and the corresponding multimedia information is transmitted to the second video telephone 220 which has requested the multimedia information.

The third call processing module 113 performs an interface and call processing with the third video telephone 230 through the H.323 communication standard based IP network, which is the first IP network interworking communication standard, and requests the multimedia information. It controls the transmission of the corresponding multimedia information to the third video phone 230 that has received and requested the corresponding multimedia information.

The fourth call processing module 114 performs an interface and call processing with the third video telephone 230 through a SIP communication standard based IP network, which is the second IP network interworking communication standard, and receives the multimedia information request. It controls the transmission of the corresponding multimedia information to the third video phone 230 that requested the multimedia information.

The content manager 160 manages the multimedia information content of the service providers 310, 320, 330, and 340 in the content providing block 300.

The DB 150 stores the multimedia information and the subscriber profile.

The DB interworking unit 140 manages the multimedia information and subscriber profile storage.

The multimedia converter 130 converts the multimedia information in the form of voice / video capable of multimedia service.

The service processor 120 searches for multimedia information corresponding to the multimedia information request and controls the provision of the corresponding multimedia information.

The operation manager 170 manages the overall operation of the multimedia service system.

Hereinafter, a multimedia service method according to an embodiment of the present invention will be described with reference to FIG. 6.

6 is a flowchart illustrating a multimedia service method according to an embodiment of the present invention.

The first, second, and third video telephones 210, 220, and 230 of the client block 200 transmit a multimedia information request including a video call setup request to the multimedia service system 100. That is, the first video telephone 210 transmits the multimedia information request to the multimedia service system 100 through an H.324M (3G-324M) communication standard based line network, which is a line network interworking communication standard. The 2 video phone 220 transmits the multimedia information request to the multimedia service system 100 through the H.320 communication standard based PSTN (ISDN) network, which is a PSTN (ISDN) network interworking communication standard, and the third video phone. 230 transmits the multimedia information request to the multimedia service system 100 through an H.323 communication standard based IP network, which is a first IP network interworking communication standard, and the third video telephone 230 transmits a second IP. The multimedia information request is transmitted to the multimedia service system 100 through a SIP communication standard based IP network. Alternatively, the multimedia service system 100 transmits a multimedia service connection request to the first, second, and third video phones 210, 220, and 230 of the client block 200 (S100), and in response thereto, the first, second, third As described above, the video telephones 210, 220, and 230 may transmit the multimedia information request to the multimedia service system 100.

Accordingly, the linkage unit 110 of the multimedia service system 100 receives the multimedia information request (S101), processes the call, and transfers it to the service processing unit 120 (S102). That is, the interworking unit 110 receives the multimedia information request from the first video phone 210 through the H.324M (3G-324M) communication standard based line network, which is a line network interworking communication standard, and the second. Receives the multimedia information request from the video phone 220 through the PSTN (ISDN) network based on the H.320 communication standard, which is the PSTN (ISDN) network interworking communication standard, and interworking with the first IP network from the third video phone 230 The multimedia information request is received through an H.323 communication standard based IP network, which is a communication standard, and the multimedia information request is received from the third video telephone 230 through a SIP communication standard based IP network, which is a second IP network interworking communication standard. Receive

Accordingly, the service processor 120 searches the subscriber profile stored in the DB 150 through the DB interlocking unit 140 and checks whether the user requesting the multimedia information is the multimedia service subscriber (S103).

At this time, when the check result (S103), the user is not a multimedia service subscriber, the service processing unit 120 to the video call (210, 220, 230) requesting the multimedia information through the linking unit 110, the multimedia information request message. It transmits (S104). Accordingly, subscribers of the video phones 210, 220 and 230 must first subscribe to the multimedia service in order to receive the multimedia service.

On the other hand, in the check result (S103), when the user is a multimedia service subscriber, the service processing unit 120 transmits the initial menu image to the video phone (210, 220, 230) requesting the multimedia information through the linking unit 110. (S105). Accordingly, the user of the video telephone 210, 220, 230 views the initial menu image, selects a menu, and transmits a DTMF (Dual Tone Multi Frequency) menu selection message to the interworking unit 110.

Accordingly, the interworking unit 110 receives the menu selection message (S106), processes the call, and transfers it to the service processing unit 120 (S107).

Accordingly, the service processing unit 120 searches for the multimedia information according to the menu selection in the DB 150 through the DB linking unit 140 (S108).

The multimedia converter 130 converts the retrieved multimedia information into a voice / video format capable of multimedia service (S109).

Accordingly, the service processor 120 transmits the converted multimedia information to the video telephones 210, 220, and 230 that have requested the multimedia information through the interworking unit 110 (S110). Accordingly, the video phone 210, 220, 230 receives the multimedia information and transmits a video call release request to the interworking unit 110.

Therefore, the interlocking unit 110 receives the video call release request and releases the video call with the video call 210, 220, or 230 requesting the multimedia information (S111).

In addition, the embodiment according to the present invention is not limited to the above-mentioned, and can be implemented by various alternatives, modifications, and changes within the scope apparent to those skilled in the art.

As described above, the present invention integrates various communication standards and provides various multimedia information through video telephony based on the integrated various communication standards, thereby enabling multimedia services between video telephones having different communication standards. Multimedia services can also be enabled over a circuit network.

1 is a diagram illustrating a conventional video telephone service network.

2 is a diagram illustrating a conventional second generation multimedia service network.

3 is a diagram illustrating a multimedia service network using a conventional third generation video telephone.

4 is a diagram illustrating a multimedia service network to which the present invention is applied.

5 is a diagram illustrating a multimedia service system according to an embodiment of the present invention.

6 is a flowchart illustrating a multimedia service method according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

100: multimedia service system 110: linkage

120: service processor 130: multimedia converter

140: DB interworking unit 150: DB

160: content management unit 170: operation management unit

Claims (11)

Sending a request for multimedia information and receiving corresponding multimedia information, the first video phone based on the circuit network interworking communication standard, the second video phone based on the PSTN (ISDN) network interworking communication standard, or the first and second IP network interworking communication standard based A client block including at least one of three video telephones, a content providing block including a plurality of service providing units for providing the multimedia information, and the multimedia information in association with the client block and the content providing block; In a multimedia service network consisting of a multimedia service system for providing multimedia services by transmitting to a 2,3 video phone, The multimedia service system, Interworking with the first video phone via a line network interworking communication standard based line network, interworking with the second video phone via a PSTN (ISDN) network interworking communication standard based PSTN (ISDN) network, and interworking with the third video phone Interworking with the first and second IP network interworking standards based on the IP network, the various communication standards are integrated to search for corresponding multimedia information according to the multimedia information request based on the integrated various communication standards, and the corresponding multimedia information is retrieved. And providing multimedia services by transmitting the multimedia information to the first, second and third video telephones. The method of claim 1, The line network interworking communication standard, Multimedia service system, characterized in that the H.324M (3G-324M). The method of claim 1, The PSTN (ISDN) network interworking communication standard, Multimedia service system, characterized in that H.320. The method of claim 1, The first IP network interworking communication standard, Multimedia service system, characterized in that H.323. The method of claim 1, The second IP network interworking communication standard, Multimedia service system, characterized in that the SIP. The method of claim 1, The multimedia service system, Interface with the first, second, and third video telephones and call processing according to the various communication standards and the respective networks, receive the multimedia information request, and request the corresponding multimedia information to the first, second, third video telephone. An interlocker for controlling the transmission of the corresponding multimedia information; A content manager which manages the multimedia information content; A DB for storing the multimedia information and the subscriber profile; DB interworking unit for managing the multimedia information and subscriber profile storage; A multimedia converter converting the multimedia information into a voice / video format capable of the multimedia service; A service processor for searching for multimedia information corresponding to the multimedia information request and controlling providing of the corresponding multimedia information; Multimedia service system, characterized in that it comprises an operation management unit for managing the overall operation of the multimedia service system. The method of claim 6, The linkage unit, Performing interface and call processing with the first video telephone over the line network communication standard based circuit network, receiving the multimedia information request, and controlling transmission of corresponding multimedia information to the first video telephone that requested the multimedia information; No. 1 processing module;  Interface to the second video phone and call processing through the PSTN (ISDN) network interworking communication standard based PSTN (ISDN) network, and receives the multimedia information request and corresponds to the second video phone that requested the multimedia information. A second call processing module for controlling the transmission of multimedia information;  Performs interface and call processing with the third video phone through the first IP network interworking communication standard based IP network, receives the multimedia information request, and transmits corresponding multimedia information to the third video phone that requested the multimedia information. A third call processing module for controlling;  Performs interface and call processing with the third video phone through the second IP network interworking communication standard based IP network, receives the multimedia information request, and transmits corresponding multimedia information to the third video phone that requested the multimedia information. Multimedia service system comprising a fourth call processing module for controlling. Sending a request for multimedia information and receiving corresponding multimedia information, the first video phone based on the circuit network interworking communication standard, the second video phone based on the PSTN (ISDN) network interworking communication standard, or the first and second IP network interworking communication standard based A client block including at least one of three video telephones, a content providing block including a plurality of service providing units for providing the multimedia information, and the multimedia information in association with the client block and the content providing block; In a multimedia service network consisting of a multimedia service system for providing multimedia services by transmitting to a 2,3 video phone, Receiving the multimedia information request including the video call setup request, processing the call, and transmitting the received call; Retrieving a subscriber profile to determine whether the user requesting the multimedia information is a multimedia service subscriber and transmitting an initial menu image to the videophone requesting the multimedia information when the subscriber is a subscriber; Receiving the menu selection message, processing the call, and transferring the same to search for multimedia information according to the menu selection; Converting the retrieved multimedia information into a voice / video format capable of multimedia service and transmitting the multimedia information to the video phone requesting the multimedia information; And receiving the video call release request and releasing the video call with the video call requesting the multimedia information. The method of claim 8, And if the user is not a multimedia service subscriber, transmitting the multimedia service unavailable message to the video call requesting the multimedia service. The method of claim 8, The multimedia information request receiving process, Receive the multimedia information request from the first video phone via a circuit network interworking communication standard based circuit network, and request the multimedia information from the second video phone via a PSTN (ISDN) network interworking communication standard based PSTN (ISDN) network Receive the multimedia information request from the third video phone over the first IP network interworking communication standard based IP network, and receive the multimedia information from the third video phone over the second IP network interworking communication standard based IP network. Multimedia service method, characterized in that receiving a request for information. The method of claim 8, And transmitting the multimedia service access request to the client block by the multimedia service system.