KR101337375B1 - System and method for making a call service by using the IPTV - Google Patents

Abstract

The present invention relates to a telephone service system and method using IPTV. The present invention provides a data broadcasting system for generating portal screen data including information on a dialing service using IPTV; A return path server system connected to the IPTV terminal through the IPTV network via a return channel and transmitting / receiving bidirectional data with the IPTV terminal in a unicasting manner to provide a dialing service using the IPTV; Receives an authentication request message for an IPTV dialing service from the IPTV terminal through the return pass server system, generates an authentication key (UK) in response to the authentication request message, and transmits it to the IPTV terminal through the return path server system. Personalization authentication server; And a dialing main system that communicates with an IPTV communication client in the IPTV terminal and is responsible for performing a dialing service using IPTV. Accordingly, after selecting the dialing menu in the T-Communication menu on the IPTV terminal, input a phone number in the input window while watching TV or select a friend in the call list of the dialing menu and press the OK button, without entering the telephone number. Call your friend's public phone number to automatically connect the call between your home and receiver phone.

IPTV, Intelligent Network, Dial-up (Click-To-Call)

Description

System and method for making a call service by using IPTV {System and method for making a call service by using the IPTV}

1 is a block diagram of an IPTV system for an IPTV T-communication service.

2 is a block diagram of an IPTV head-end system.

3 is a block diagram of a system for making a call service using IPTV according to the present invention;

4 is a system configuration diagram of an IPTV communication client, a dialing service server, and a personalization authentication server.

5 is a hardware diagram of a dialing main system;

6 is a screen of a dialing service using an IPTV communication client according to an embodiment of the present invention.

7 is a diagram illustrating an authentication process when using an IPTV dialing service.

8 is a configuration diagram of a dialing service using an IPTV communication client.

9 is a flowchart illustrating a method for making a call service using IPTV according to an embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

20: IPTV terminal 120: dialing service server

130: member management server 140: intelligent network interworking server

150: intelligent network AS 160: Parlay G / W

170: PSTN exchanger 180: telephone

190: mobile communication terminal 200: IPTV headend system

The present invention relates to a system and method for making a telephone call service using IPTV, and in particular, after selecting a telephone call menu of a T-communication menu on an IPTV terminal, using a messenger of an IPTV terminal, inputting a receiver's telephone number into a telephone number input window. Selecting a friend from the registered call list and pressing the OK button to make a call service using IPTV, which automatically connects the call between the home phone and the receiver phone through a click-to-call method using an intelligent network through the server. System and method.

In general, Internet Protocol Television (IPTV) is a service that combines broadcasting and communication, and receives an IP set-top box (STB) in addition to receiving broadcast signals transmitted from a program provider (PP) or terrestrial, cable, and satellite. It is a digital TV connected to) and provides ICOD (Internet Contents On Demand) service through high speed internet network.

The main components of an IPTV service system include an IPTV headend system, an IP backbone network (IP backbone), a subscriber network (eg xDSL, HFC, FTTC, FTTH structure), and a subscriber terminal (IP STB, TV).

IPTV service is a digital convergence service that provides Triple Play Service (TPS) including VoIP (telephone), high-speed Internet (Internet), IPTV service (broadcasting), and from IPTV headend system. It is a premium service that provides broadcasting and internet contents such as news, weather, VOD, movies, dramas and sports to user terminals in the form of Internet Contents On Demand (ICOD) through a broadband high-speed communication network.

The standardization of IPTV's Data Broadcasting is the use of terrestrial data broadcasting by the Digital Video Broadcasting-Multimedia Home Platform (DVB-MHP) of satellite data broadcasting at the European Telecommunication Standards Institute (ETSI) in Europe and the Advanced Television System Committee (ATSC) ACAP (Advanced Common Application Platform) and SCTE (Society of Cable Television Engineers) are pushing for standardization of data broadcasting for cable TV's OCAP (Open Cable Application Platform), and in the IP set-top box (STB) JAVA) to provide IPTV services.

ACAP (Advanced Common Application Platform) is a terrestrial data broadcasting standard that provides data broadcasting service to a TV by installing ACAP middleware for terrestrial data broadcasting in a set-top box (STB) connected to SD / HD digital TV.

The digital TV connected to the IP set-top box (STB) selects the desired program in the electronic program guide (EPG) by using the remote control or the key input of the TV and authenticates the user. The content will use the IPTV service.

In addition, IPTV communication service provides a variety of communication services, such as SMS, messenger in conjunction with the intelligent network (IN: Intelligent Network).

However, IPTV does not require you to enter a phone number, but also provides a click-to-call method using an intelligent network to make a phone number published by a friend clicked on a call list. It did not provide a function to automatically connect a call between people, and if a friend's phone number was not disclosed, it did not provide a call function by inputting it into a phone number input window.

The present invention has been proposed to solve the problems of the prior art, and after selecting a dialing menu of the T-communication menu in the IPTV terminal, using the IPTV communication client (messenger) including a dialing module to call a friend in the call list Select and press the OK button in the dialing menu and send to the intelligent network via the intelligent network interworking server, intelligent network AS, and Parlay G / W through the dialing service server (messenger server), and click-to-call method using the intelligent network. By providing a dialing service, the IPTV terminal dials a phone number published by a friend without having to enter a phone number, and automatically connects the call to the home phone and the receiver's phone. IPTV calls, which provide the ability to make calls by entering the recipient's phone number in the window. It is an object to provide a system and method based services.

In order to achieve the object of the present invention, the present invention provides a system for providing a dialing service using IPTV, comprising: a data broadcasting system for generating portal screen data including information on a dialing service using IPTV; A return path server system connected to the IPTV terminal through a IPTV network via a return channel and transmitting and receiving bidirectional data with the IPTV terminal in a unicasting manner to provide a dialing service using an interactive IPTV; Receiving an authentication request message for an IPTV dialing service from an IPTV terminal using an IPTV network through the return pass server system, generating an authentication key (Unique Key, UK) in response to the authentication request message, and returning the authentication request message. A personalization authentication server transmitting to the IPTV terminal through a pass server system; And a dialing main system that communicates with the IPTV terminal by the IPTV communication client in the IPTV terminal and is responsible for performing a dialing service using the IPTV.

A dialing service system using IPTV may include: a multiplexing system for multiplexing the portal screen data and program specific information (PSI) and then outputting the multiplexed stream by IP packetizing; And a network switch system for transmitting the IP packetized transport stream received from the multiplexing system to a plurality of IPTV terminals through an IP network in a multicast manner.

The dialing main system may include: a front end server configured to establish and maintain a connection session with the IPTV terminal; An authentication server for performing authentication of the IPTV terminal or authentication of an individual dialing service subscriber using IPTV according to the information received from the IPTV terminal; A dialing service server receiving the dialing request from the IPTV terminal and transmitting a dialing request message to the intelligent network interworking server; And an intelligent network interworking server transmitting a dialing request message to the intelligent network system according to the dialing request received from the dialing service server.

The dialing main system may further include a connection distribution server that manages connection location information of the IPTV terminal and designates a connection front end server to be connected when the connection request of the IPTV terminal is made.

The access distribution server may further include a function of generating a seed value for encryption of authentication data including a unique key when performing authentication according to the authentication request of the IPTV terminal, and delivering the seed value to the IPTV communication client. Characterized in that.

The dialing main system may further include a presence server configured to perform login processing of an IPTV communication client of an IPTV terminal subscribed to a dialing service using IPTV, and to manage a connection state of the IPTV communication client. It features.

A dialing service system using an IPTV is connected to the dialing main system through an information communication network, and according to a dialing request received from the dialing main system, the caller's telephone number and the called party's number are requested. It further comprises an intelligent network system for connecting the call.

The intelligent network system includes: an intelligent network service switching system (SSP) using a No.7 signaling protocol and connected to an exchange through a gateway to provide a call control function and a service exchange function for a dialing service using the intelligent network; An intelligent information providing system (IP) that provides various announcements necessary for the intelligent network service and provides a voice interface; A service management system (SMP) for storing and managing information of intelligent network service subscribers; The intelligent network is connected to the gateway and the intelligent network service switching system (SSP) and is connected to a telephone terminal of a specific subscriber who has requested a dialing service to a telephone service system using an IPTV and a telephone terminal of a called party requested by the subscriber. And a service control system (SCP) that makes a request to the service switching system (SSP).

The IPTV terminal includes a TV with an IP set-top box, an IP set-top box connected to a user's TV, a computer, and a laptop.

The L3 network equipment used for the IP network uses a Protocol Independent Multicast-Sparse Mode (PIM-SM) multicast routing protocol, and the user terminal uses an IGMP Join / Leave message to select / release a broadcast channel. The L2 network equipment of the subscriber network connecting the IP network and the user terminal uses an IGMP snooping protocol to recognize an IGMP transmission / reception message of a user terminal requesting a channel.

In order to achieve the object of the present invention, the present invention provides a dialing service system using IPTV to provide a dialing service using IPTV according to the subscriber's request, (a) subscribers to the dialing service using IPTV (hereinafter subscribed) When the IPTV terminal requests terminal authentication through the IPTV network, performing terminal authentication; (b) when the channel join request for the portal screen channel of the dialing service system using the IPTV is received from the subscriber's IPTV terminal, providing the portal screen data including information on the dialing service using the IPTV. step; (c) receiving a dialing service request from the IPTV terminal; (d) transmitting a dialing service request including the calling information to an intelligent network system.

The caller information may include a caller's phone number and a receiver's phone number associated with the user ID.

In step (a), the terminal authentication request from the IPTV terminal is characterized in that is performed at the time of booting the IPTV terminal.

The terminal authentication of step (a) corresponds to the SAID when (a1) the personalization authentication server of the telephone service system using IPTV receives a terminal authentication request message including an ID (SAID) of the terminal from the IPTV terminal. Generating and transmitting a terminal authentication key to the IPTV terminal; (a2) when the dialing main system of the dialing service system using the IPTV receives the authentication request including the SAID and the terminal authentication key from the IPTV terminal, performing authentication and transmitting a result to the IPTV terminal; And (a3) when the dialing main system of the dialing service system using the IPTV receives a login request from the IPTV terminal, performing a login and transmitting a result to the IPTV terminal.

The method for providing a dialing service using IPTV may further include performing personal authentication for providing a dialing service using the IPTV between steps (b) and (c).

The personal authentication of the step (b1), (b11) the personalization authentication server of the telephone service system using the IPTV from the IPTV terminal, the ID (SAID) of the terminal and the personal identification number (Personal Identification Number, input from the subscriber), Receiving a personal authentication request message including a PIN), generating a personal authentication key corresponding to the SAID and the PIN and transmitting the personal authentication key to the IPTV terminal; (b12) when the dialing main system of the dialing service system using the IPTV receives an authentication request including the SAID and the personal authentication key from the IPTV terminal, performing authentication and transmitting a result to the IPTV terminal; And (b13) when the dialing main system of the dialing service system using the IPTV receives a login request from the IPTV terminal, performing a login and transmitting a result to the IPTV terminal.

The authentication request received in step (b12), characterized in that the ID and password input from the subscriber.

After the step (d), (e) the intelligent network system checks the information of the subscriber of the dialing service using IPTV, and if the subscriber is identified as a subscriber, connects the call to the subscriber's telephone number and the recipient's telephone number through the gateway through the gateway. Requesting; And (f) controlling the communication channel to be established between both terminals when the subscriber and the receiver both receive a call.

In order to achieve another object of the present invention, the present invention provides an IPTV terminal and a telephone service system and IPTV network using IPTV by an IPTV communication client program (hereinafter, referred to as an "IPTV communication client") which is executed inside the terminal. A method for providing a dialing service using an IPTV to an IPTV service subscriber, the method comprising: (a) requesting terminal authentication to a dialing service system using an IPTV through an IPTV network, and performing terminal authentication; (b) performing a channel join on the portal screen channel of the telephone service system using IPTV; (c) receiving a portal screen from a dialing service system using the IPTV; (d) displaying the portal screen provided in step (c) on the screen of the IPTV terminal; (e) receiving a selection of a dialing service using IPTV among IPTV communication services from the subscriber in the provided portal screen; And (f) when a dialing service request is input from the subscriber, transmitting a dialing service request including a counterpart phone number to the dialing service system using the IPTV.

In step (a), the terminal authentication request from the IPTV terminal is characterized in that is performed at the time of booting the IPTV terminal.

The terminal authentication process of step (a) may include: (a1) transmitting a terminal authentication request message including an ID (SAID) of the IPTV terminal to a personalization authentication server of a telephone service system using the IPTV; (a2) When the terminal authentication key is received from the personalization authentication server of the dialing service system using the IPTV, an authentication request message including the received terminal authentication key and the SAID is dialed main system of the dialing service system using IPTV. Transmitting to; And (a3) receiving a message indicating that authentication has been passed from the dialing main system of the dialing service system using IPTV, sending a login request to the dialing main system of the dialing service system using IPTV and receiving a login result. Steps.

Between step (d) and step (e), (d1) characterized in that it further comprises the step of performing a personal authentication for providing a dialing service using the IPTV.

The personal authentication of step (d1), (d11) provides a personal identification number (PIN) input window on the IPTV terminal screen, if the PIN is entered from the specific subscriber ID (SAID) of the IPTV terminal and the Transmitting a personal authentication request message including a PIN input from a subscriber to a personalization authentication server of a telephone service system using IPTV; (d12) when receiving the personal authentication key from the personalization authentication server, transmitting an authentication request including the SAID and the personal authentication key to a dialing main system of a dialing service system using IPTV; And (d13) receiving an authentication result from the dialing main system of the dialing service system using the IPTV, and if the authentication passes, sending a login request to the dialing main system of the dialing service system using the IPTV and logging in. Characterized in that it comprises the step of receiving.

In step (d12), the authentication request sent to the dialing main system of the dialing service system using the IPTV, characterized in that the ID and password input from the subscriber.

In order to achieve another object of the present invention, the present invention is performed in the IPTV terminal, IPTV communication including a dialing service using IPTV to the IPTV communication service subscribers while communicating with the dialing service system using the IPTV An IPTV communication client program providing a service (hereinafter referred to as IPTV communication client) is a recording medium. The IPTV communication client establishes a communication main session by performing a terminal authentication process with a dialing service system using IPTV. A communication main module responsible for controlling the IPTV communication service; And an IPTV communication client including a dialing module which is performed when the IPTV subscriber selects a IPTV dialing service among the IPTV communication services to communicate with a dialing service system using IPTV and is responsible for performing a dialing service using IPTV. Provide a recorded recording medium.

The IPTV communication client is characterized in that executed when the IPTV terminal booting.

The communication main module transmits a terminal authentication request message including an ID (SAID) of the IPTV terminal to the dialing service system using the IPTV when the IPTV terminal is booted, and communicates with the dialing service system using the IPTV. It is characterized by establishing a communication main session by performing the authentication process.

The communication main module may be controlled by an observer module that recognizes a command input from a subscriber.

The communication main module, when inputting a dialing service request from a subscriber, calls a personal authentication request message including a personal identification number (PIN) and an ID (SAID) of an IPTV terminal received from the subscriber. And transmitting to a dialing service system, communicating with a dialing service system using the IPTV, and performing a personal authentication process.

The dialing module may include a function of providing a subscriber with a user interface for dialing; And a function of transmitting a call request message including the caller information received from the subscriber to the call service system using the IPTV.

The calling information is characterized by including a calling party number and a calling party number associated with the user ID.

The dialing module may include a function of receiving a dialing service result message from the dialing service system using the IPTV and displaying the result to the subscriber.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention. Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It is to be understood that equivalents and modifications are possible.

1 is a block diagram of an IPTV system for an IPTV communication service (hereinafter referred to as T-communication).

The IPTV service system includes data for data broadcasting, program specific information (PSI), and service information (SI), including T-communication information from a program provider (PP), terrestrial or IPTV content provider (CP), data provider (DP). , An IPTV headend system 200 for transmitting a portal screen including a T-communication menu with a dialing function, a premium network using a unicast or multicast routing protocol as an IP network, and a subscriber network ( Examples: Ethernet, xDSL, HFC, FTTC, FTTH), and IPTV terminal 20. FIG.

The subscriber network may be composed of any one of Ethernet, xDSL (ADSL, VDSL), Hybrid Fiber Coax (HFC), Fiber To The Curb (FTTC), and Fiber To The Home (FTTH) structures.

The IPTV terminal 20 uses a digital TV with an IP set-top box (IP STB) or one of an IP set-top box, a computer, and a laptop connected to the digital TV of the user.

The IPTV terminal 20 includes a hardware layer composed of STB hardware such as a CPU, a media processor, a flash RAM, and an Ethernet module, a system software layer including a device driver and an operating system, a Java virtual machine (JVM), and a JNI. (Java Network Interface), ACAP API (ACAP-J, ACAP-X API) (Java TV, Havi UI, JMF, DAVIC, CA Interface), Conditional Access System (CAS) module or Digital Rights Management (DRM) : Digital Rights Management interface module, middleware layer with MPEG (Navigator, Audio streaming API, VOD, Flash player, HDS Client, SSO Client), streaming protocol (RTP, RTSP) for IP media service, MPEG2, MPEG4, Supports multiple codecs such as MPEG7, H.264, WMV-9, and other codecs, and supports four layers of the application layer including electronic program guide (EPG) clients, web browsers, or IPTV communication clients. Layer.

The IPTV terminal 20 may be used in connection with a VDSL modem or in connection with a Fast Ethernet Switch (FES), and may be used in connection with a home gateway.

The IPTV terminal 20 is assigned an IPv4 address or an IPv6 address.

The set-top box ID (SAID) of the IPTV terminal 20 is a unique ID assigned to the terminal by the communication company when the service is opened. The personalization authentication server (HDS authentication server) and the HDS client of the STB terminal manage the information (SAID, IP Address, MAC Address, terminal model name) of the opened STB terminal. In addition, the IPTV terminal 20 includes a single sign on (SSO) client, an HDS client for managing opening terminal information, and stores the SAID of the terminal in the HDS client in the set-top box (STB). In the case of a service based on personal authentication, a single master PIN number (composed of four digits) may be allocated to a home and a plurality of PIN information may be allocated to a home member at the time of PIN (Personal Identification Number) authentication.

2 is a block diagram of an IPTV head-end system.

The IPTV headend system 200 includes a baseband system 205, a compression multiplexing system 210, a network switch system 215, a return pass server system 220, a personalization authentication server (HDS) 225, and an EPG providing system. 230, data broadcast system 235, media management system 240, reception restriction system 245, billing processing system 250, and monitoring system 255.

The baseband system 205 is basically a tuner (Tuner) for receiving an analog broadcast signal to a broadcast signal, such as a program provider (PP), terrestrial wave, such as DS-3 optical end station, Yagi antenna, Integrated Receiver Decoder (IRD), A signal divider such as a frame synchronizer for converting and correcting the received source signal into an SDI signal and synchronizing frames, and an A / V router that connects / concentrates all broadcast signal channels for operational management; And a subtitle generator for inserting an advertisement, a logo, and a subtitle into the SDI signal to edit and process the signal.

The data broadcasting system 235 generates portal screen data for a dialing service using IPTV.

The compression multiplexing system 210 multiplexes the portal screen data for the telephony service using IPTV and program specific information (PSI) related to the T-communication service, and then multiplexes the multiplexed program specific information (PSI). The MPEG2-TS stream is IP packetized and transmitted to the network switch system 215.

The network switch system 215 uses IPv4 multicast or IPv6 multicast. In case of using IPv4 multicast, the rendezvous point (RP) of the premium network is configured by using the IP packetized transport stream (MPEG-2 TS) in the form of UDP / IP packet based on the IPv4 Class D multicast address. A plurality of IPTV terminals (STB + TV) 20 joined to the corresponding channel (multicast group) are transmitted.

Previously, when using the PIM-SM multicast routing protocol, the network switch system 215 transmits a Register message to a rendezvous point RP and in response to a PIM JOIN message from a rendezvous point RP. The registration process is performed at the rendezvous point RP, which is received by the switch system 215 and sets a path.

In addition, IP multicasting may use IPv4 multicast or IPv6 multicast technology. In one embodiment, if the router and the L3 switch use the PIM-SM Multicasting Routing Protocol and the subscriber's IP set-top box uses an IPv4 address, the subscriber concentrator (L2 network equipment) 360 using IGMP v2 / v3. Send to subscriber switch (L3 switch) 350 through IGMP Snooping of to join the desired broadcast channel, or when using IPv6 address, transmit to subscriber switch (L3 switch) 350 using MLD v1 / v2 Join to the broadcast channel.

In one embodiment, when the network switch system 215 uses IPv4 multicast, the IPv4 multicast address is 224.0.0.0 to 239.255.255.255, which is different for each broadcast channel (eg, 100 channels). Use When using IPv4 multicast, SBS uses 230.1.1.1 multicast address, KBS uses 230.1.1.2 multicast address, and EBS uses 230.1.1.3 multicast address as broadcast channel.

The media operation system (MOC) 240 operates broadcasting programs such as broadcast program organization information, content and media management information, contract information between a program provider (PP) and a content provider (CP), and product information. Manage various business process information.

 The media management system (MOC) 240 includes contract management in terms of acquisition, media and content metadata management, EPG information acquisition / management as broadcast schedule information, and real time broadcasting in terms of operation. Marketing analysis reporting, delivery of CP / CA, subscriber viewing tendency, etc. in terms of VOD channel formation management, agent management with each subsystem, VOD catalog creation management, various product analysis, and analysis aspects ), Broadcast transmission monitoring, video server transmission management and VoD subscriber authentication, transmission result recording / management for settlement with CP / CA, and data synchronization with each subsystem.

The billing processing system 250 is a provisioning system for billing processing, and performs billing processing for using a dialing service using IPTV for each subscriber.

The subscriber management system 260 provides membership registration and termination and member information management for IPTV dialing services.

The monitoring system 255 is a control system that monitors a transmission failure of an A / V broadcast signal for IPTV broadcasting, a downlink of an IPTV headend system, and a reception failure and subtitle confirmation.

The EPG providing system 230 provides an electronic program guide (EPG) for channels and programs to the IPTV terminal, the electronic program guide of any one of Box List EPG, Text EPG, Mosaic EPG, Mini EPG, Tree Navigator EPG. (EPG) can be used.

When using the mosaic EPG, the mosaic A / V data transmitted from the EPG providing system 230 is encoded by the Mosaic A / V encoder of the compression multiplexing system 210 to be multicasted through the network switch system 215. Send to the user terminal.

The data broadcasting system (DBS) 235 authors, verifies, organizes, and transmits data for data broadcasting, and transmits T-communication related information which is periodically updated from a data agent (DA) of a content provider (CP). It has a data manager (DM) for receiving transmission. The data manager (DM) of the data broadcasting system (DBS) updates an object carousel (OC) including periodically updated T-communication service information received from a data agent (DA). The data is received and transmitted to a plurality of IPTV terminals 20 joined to the corresponding channel in a multicast manner through a network switch system.

The data broadcasting system (DBS) 235 includes a data agent manager for managing data encoding, a PSI generator for generating PSI information for a T-communication service menu, and a T-communication service. An SI generator for generating SI information for a channel, a data server / data encoder for encoding data for data broadcasting such as portal screen data, the data broadcasting data and the PSI information, and A multiplexer manager (MM) for managing the multiplexing function of the SI information, and a scheduler user interface (Scheduler UI).

Program Specific Information (PSI) includes Program Association Table (PAT) and Program Map Table (PMT) information.

The return path server system 220 is connected to the subscriber's IPTV terminal 20 in a unicast manner to transmit and receive bidirectional data, record user log information, and transmit / receive T-communication service start / end time information. Record it.

IP multicast routing protocols for routers and L3 switches in premium networks include Distance Vector Multicast Routing Protocol (DVMRP), Multicast Extensions to OSPF (MOSPF), Core Based Tree (CBT), and Protocol Independent Multicast-Sparse (PIM-SM). Mode) and PIM-DM (Protocol Independent Multicast-Dense Mode) may use one of the multicast routing protocols.

Each router including a Rendezvous Point (RP) of an IPTV backbone network / access network / subscriber network according to the present invention, a metro switch (L3 switch), an N-Topia switch (L3 switch) (N-Topia: in a group building in which UTP is installed Layer 3 network devices including high speed internet service and subscriber switch (L3 switch) through installed LAN equipment each use Protocol Independent Multicast-Sparse Mode (PIM-SM) multicast routing protocol.

The IPTV terminal (STB + DTV) 20 and the subscriber concentrator (xDSL concentrator, DSLAM) (Layer 2 equipment) 360 use IGMP and IGMP Snooping protocols, respectively.

The Internet Group Management Protocol (IGMP) sends an IGMP Join / Leave message to the L3 switch (e.g., subscriber switch, router) 350 to request the broadcast channel selection / release from the IPTV terminal 20, and accepts the request. Used between L3 switches (eg subscriber switch, router) 350.

The IGMP Snooping protocol is a Layer 2 device (e.g. subscriber aggregation device (DSLAM) located between an IPTV terminal 20 terminal of a subscriber requesting channel selection / release and an L3 switch (e.g. subscriber switch) 350 accepting the request. , xDSL concentrator)) 360.

The L3 switch (subscriber switch) 350 transmits two IGMP group specific query messages every one second to the subscriber concentrating device (L2 equipment) 360 to check whether there is another STB watching the current broadcast for each broadcasting channel. Through a plurality of IPTV terminal 20 to transmit.

The Layer 2 equipment (subscriber concentrator) 360 driven by the IGMP snooping protocol recognizes an IGMP transmission / reception message between the IPTV terminal 20 and the L3 switch (subscriber switch) 350, and requests the channel to the IPTV terminal 20. Send channel information.

3 is a block diagram of a system for making a call service using an intelligent network in an IPTV according to the present invention.

The IPTV terminal undergoes STB SAID terminal authentication at the personalization authentication server (HDS server) 225 at the first boot, and establishes a communication main session after terminal authentication. The communication main session provides various notification services. After establishing a communication main session, a personal authentication using a personal identification number (PIN) (hereinafter referred to as PIN authentication) is performed to use individual T-communication services.

When the STB SAID is authenticated, the personalization authentication server 225 of the IPTV headend system returns an authentication request message including SAID and APP information from the IPTV communication client including the dialing module of the IPTV terminal 20. ) And generates a UK (Uniqueue Key) in response to the request, and transmits the authentication result including the UK to the IPTV communication client of the IPTV terminal 20 through the return pass server system 220. Here, the APP information means application information of the IPTV communication client.

In addition, the personalization authentication server 225 receives an authentication request message including PIN, SAID and APP information from the messenger client of the IPTV terminal 20 for use of the T-communication service at the time of PIN authentication, and in response thereto. A unique key (UK) is generated and an authentication result including the UK is transmitted to the IPTV communication client of the IPTV terminal 20.

Thereafter, the return pass server system 220 of the IPTV headend system records log information for the billing service for each member, and records start / end time information of the T-communication service.

As a result, the T-communication service interacts with the IPTV headend system 200 in general STB authentication and log recording.

The dialing service provided as a landline telephone supplementary service selects the dialing menu of the T-Communication menu on IPTV and provides the Click To Call service from the call list, or inputs the receiving party's telephone number and sets the preset home and destination telephones. Provide a call (mobile terminal or telephone).

The user selects the dialing menu from the T-Communication menu of the IP set-top box (STB) connected to the digital TV, selects a friend using the IPTV communication client including the dialing module, and clicks the OK button on the dialing menu. -to-call method to use the dialing service using the intelligent network (IN).

The dialing service server 120 is connected to the IPTV communication client 111 by HTTP or TCP / IP, and is transmitted from the IPTV communication client 111 including the dialing module using the presence information or subscriber information for each member. Provides click to call service using intelligent network using outgoing information.

The intelligent network interworking server 140 receives the outgoing information transmitted through the dialing service server 120 from the IPTV communication client, stores the outgoing history, transmits the information to the intelligent network AS 150, and calls the information from the intelligent network AS 150. It receives the result and transmits to the IPTV communication client 111 through the dialing service server 120.

The intelligent network AS (Parlay AS) 150 is interworked with the Parlay G / W 160, handles call processing and SMS transmission requests for dialing, informs the result of the call, and receives call notification and SMS reception notification. Notify the intelligent network interworking server 140 of the messenger system. Thereafter, the call is transmitted to the IPTV communication client 111 of the IPTV terminal 20 through the main system.

The signaling generated from the actual service is transmitted to the Parlay gateway 160 through the IPTV terminal 20, the dialing service server 120, the intelligent network interworking server 140, and the intelligent network AS 150, and the Parlay G / At W) 160, the IP signal is converted to the PSTN and transmitted to the PSTN exchange to request a call connection to the PSTN telephone. In the opposite case, the PSTN call is transmitted to the intelligent network AS 150, the intelligent network interworking server 140, the dialing service server 120, and the IPTV terminal (STB + TV) 20 after the protocol conversion in the parlay gateway 160. .

The parlay gateway 160 is a standardized service platform that allows third parties and application service providers (ASPs) to create and provide various additional services using network resources regardless of the network type. It is in charge of integrating party server.

The parlay gateway 160 is an intelligent network service gateway that provides a multiprotocol gateway function. The equipment using No. 7 in the intelligent network is interworked with SSP, IP, SCP, HLR, and MSC, and uses TCP / IP. It is interlocked with AAA, SMSC, LMSC, etc., and can be interworked with SIP server of all-IP network, Call Session Control Function (CSCF), etc., and serves as gateway of NGN (Next Generation Network) network.

The intelligent network (IN) is linked to a public switched telephone network (PSTN) and a mobile communication network through a parlay gateway (Parlay G / W) 160, and SS No. 7 from a communication terminal to an intelligent network service switching point (SSP). Provides voice and packet data services using signaling methods.

The intelligent network system includes an intelligent network service switching system (SSP), a service control point (SCP), a service management point (SMP), a service development environment system (SCEP), And Intelligent Peripheral (IP).

Intelligent Network Service Switching Point (SSP) uses No.7 signaling protocol and is connected to PSTN exchange and mobile communication exchange to call control function (CCF: call control function) It provides a control agent function (CCAF) and a service switching function (SSF).

Service Control Point (SCP) has various service logic programs and data for intelligent network, and receives home call information from intelligent network AS 150 and Faray gateway 160, and subscriber's home phone number and receiver's phone number are called. The incoming call request is sent to the SSP.

Intelligent Peripheral (IP) provides various announcements necessary for intelligent network services and provides information to intelligent network subscribers using voice interface.

Service Management Points (SMPs) work with customer centers to store and manage subscriber information, distribute it to multiple SCPs, and use multiple operations and maintenance functions to manage multiple SCPs and IPs. Allow management of

Service Creation Environment System (SCE) is usually called Service Creation Environment Point (SCEP), and provides the ability to create Service Logic Program (SLP) for intelligent network service, and before applying intelligent network service to network. In addition, a simulation environment is provided to enable pre-verification.

4 is a system configuration diagram of an IPTV communication client, a dialing service server, and a personalization authentication server.

The dialing service server 120 is connected to the personalization authentication server 225 through the return pass server 220 and provides an authentication module 121 for messenger family authentication and a click to call service using an intelligent network. Intelligent network module 122, and a messenger module 123 for providing an IPTV messenger service.

The IPTV communication client 111 includes a communication main module 117, a dialing module 112, and a messenger module 113.

The IPTV communication client 111 includes: a communication main module 117 which performs a terminal authentication process with a dialing service system using IPTV, establishes a communication main session, and controls IPTV communication services; And a dialing module 112 which is performed when an IPTV subscriber selects a dialing service using an IPTV among the IPTV communication services to communicate with a dialing service system using an IPTV and performs a dialing service using an IPTV. This is done at IPTV terminal boot.

The communication main module 117 transmits a terminal authentication request message including an ID (SAID) of the IPTV terminal 20 to the dialing service system using the IPTV when the IPTV terminal is booted, and makes a dialing service using the IPTV. It establishes a communication main session by communicating with the system and performing a terminal authentication process.

The communication main module 117 is controlled by an Observer module 123 that recognizes a command input from a subscriber's remote controller.

The communication main module 117 sends a personal authentication request message including a personal identification number (PIN) and an ID (SAID) of an IPTV terminal received from the subscriber when a dialing service request is input from the subscriber. The method further includes a function of transmitting to the dialing service system, communicating with the dialing main system using the IPTV, and performing a personal authentication process.

The dialing module 112 provides a function of providing a user interface for dialing a subscriber; Transmitting a call request message including the caller information received from the subscriber to a call service system using the IPTV; And a function of receiving a dialing service result message from the dialing service system using the IPTV and displaying the received message to the subscriber.

The calling information includes at least a calling party telephone number and a recipient telephone number information related to the user ID.

The IPTV communication client 111 provides a user interface for interworking with the Observer 123 through the communication main module 117 and the IXC interface, and is connected to the dialing service server 120. The communication main module 117 is connected with a personalization authentication server (HDS server) 225 through a return pass server 102.

5 is a hardware configuration diagram of a dialing main system.

The dialing main system 127 manages the connection location information of the IPTV terminal 20, and a connection distribution server for designating a connection front end server to be connected when the connection request of the IPTV terminal 20; A connection front end server for establishing and maintaining a connection session with the IPTV terminal 20; An authentication server for performing authentication of the IPTV terminal or authentication of an individual dialing service subscriber using IPTV according to the information received from the IPTV terminal 20; A dialing service server 120 for receiving a dialing request from the IPTV terminal and transmitting a dialing request message to the intelligent network interworking server 140; An intelligent network interworking server 140 transmitting a dialing request message to an intelligent network system (Intelligent Network AS, Parlay GW, SSP / SCP / SMP / IP) according to a dialing request received from the dialing service server 120; And a presence server configured to manage a connection state of the IPTV communication client 111 by performing a login process of the IPTV communication client 111 of the IPTV terminal subscribed to the dialing service using the IPTV.

The access distribution server generates a seed value for encryption of authentication data including a unique key when performing authentication according to the authentication request of the IPTV terminal, and transmits the seed value to the IPTV communication client 111. It includes more.

The dialing main system 127 is connected through an information communication network and, according to a dialing request received from an IPTV client, connects a call to the caller's telephone number requesting the dialing and the requested incoming telephone number. Is connected to the system.

The telephony function of the telephony module of the IPTV communication client 111 can perform phone calls, call forwarding, missed announcements, transmission / reception, and the like through a phone registered with the SAID and UK (Unique Key) of the IP set-top box (STB). It is a service.

The dialing function is implemented in the IPTV communication client's telephone and family calendar address book, and the inbox inquiry is implemented in the telephone call list of the inbox.

Call from Today window when IPTV communication service starts Main system (127), intelligent network interworking server (140), intelligent network system (Intelligent network AS (150), Parlay G / W (160), SSP / SCP / IP / SMP / SCE) ) Provides intelligent network subscription information inquiry, call setting and call reception mode setting and inquiry function.

Inquiry of the intelligent network subscription information subscribed to can be inquired using a user member number, a user ID, a set-top box ID (SAID), and a UK (Uniqueue key). The intelligent network maps the user ID to the subscriber's telephone number.

The intelligent network call reception mode is set by the dialing service server 120 in association with the presence server, and the user's telephone number, user ID, the user's own intelligent network subscription phone number, the presence status, and the telephone reception mode (eg 1: U2 Phone). To call, 2: call to call number, 31: away, 32: out of office, 33: out, 34: on vacation, 35: in a meeting, 36 business closed, 37: customized guide, 41: call blocking The setting information can be changed using such information.

The intelligent network telephone reception mode inquiry uses the session key, the UK, the set-top box ID (SAID), and the user's own intelligent network subscription telephone number to inquire configuration information about the intelligent telephone telephone reception method.

IPTV dialing service using the intelligent network using the IPTV communication client 111 in the IPTV terminal 20 dials outgoing information including the user member number, user ID, set-top box ID (SAID), home phone number, recipient number The intelligent network AS 150 is transmitted through the intelligent network interworking server 140 through the service server 120.

IPTV communication client installed in a set-top box connected to SD / HD-level digital TV can be set up with simple clicks for additional services such as dialing, call forwarding and missed announcements using presence information and various interfaces. Caller ID display (CID), incoming and outgoing call list is possible.

A connection distribution server (access distribution and seed issuing server) manages connection location information of the IPTV terminal (STB + DTV), and generates access point server information and a SEED value for encryption when requesting the connection of the IPTV terminal 20. To the IPTV communication client, and designate the access server to be connected.

The IM server receives the SAID from the IPTV communication client 111 of the IPTV terminal 20 and requests a login to the presence server using the SAID to manage the access session with the SAID, and manages the IPTV of the IPTV terminal 20. The main session login result is transmitted to the communication client 111 to maintain the connection session.

The authentication server receives a SAID authentication request from the IPTV communication client 111 of the IPTV terminal 20 using the HTTP protocol during the communication main session authentication, and transmits the authentication result to the IPTV communication client 111 of the IPTV terminal 20. do. In addition, the authentication server sends a personalized ID authentication request message including a set-top box ID (SAID), UK (Unique Key), ID, and Passwd from the IPTV communication client 111 of the IPTV terminal 20 during personal authentication. It receives the received information, looks up the UK information, stores it, and transmits the authentication result to the IPTV communication client 111 of the IPTV terminal 20.

The presence system is composed of a presence server, a notification server, and a watcher server.

For IPTV wired telephone supplementary service, the presence server is connected to an access management server (access management server) to register / change / cancel the presence information such as login / logout / status change of messenger clients, and the visitor connects to T-communication service. It checks whether it is connected to, manages session with SAID of authenticated IPTV terminal, and manages buddy list information.

The Watcher Server is responsible for finding Watchers that are interested in changing the presence.

The notification server is connected to the connection front end server and delivers the notified messages (ex, online / offline / away, etc.) transmitted through various paths to the IPTV communication client through the access front end server.

The Noti. Server distributes the load of the Notify message by connecting to all connecting front-end servers.

6 is a screen of a dialing service using an IPTV communication client according to an embodiment of the present invention.

When the user selects the dialing menu of the T-communication menu on the IPTV terminal 20, selects a buddy using the IPTV communication client, selects the 'call' button in the submenu, and the HTTP dialing module of the messenger is used. Communication is sent to the dialing service server, which selects a friend and presses the OK button on the dialing menu, and attempts to make a dialing service using the intelligent network (IN).

In addition, the IPTV communication client 111 dials a phone number published by a friend without entering a number on the phone, automatically connects a call between a home phone and a receiver phone (eg, a mobile communication terminal), and makes a call. If the phone number of the other buddy is not entered when a friend is selected (a friend's phone number is not disclosed), the caller inputs the phone number directly in the phone number input window of the messenger client.

7 is a diagram illustrating an authentication process when using an IPTV dialing service.

Referring to FIG. 7, the personalization authentication server (HDS server) 225 receives terminal authentication request information including SAID and APP information during STB booting from the IPTV communication client 111 including the dialing module of the IPTV terminal 20. Received (S501), generates an authentication key (UK, Unique Key) and transmits the terminal authentication result including the UK to the IPTV communication client 111 of the IPTV terminal 20 (S502).

The access distribution server 101 receives a request for access point and Seed value inquiry from the IPTV communication client 111 of the IPTV terminal 20 (S503), generates an access point server information and a SEED value for encryption, and generates an IPTV terminal ( The IPTV communication client 111 transmits to the IPTV communication client 111 and designates the connection front end server 103 to be connected (S504). The IPTV communication client 111 of the IPTV terminal 20 generates an encryption key using the Seed value.

The authentication server 102 receives a set-top box ID (SAID) for T-Comm main session authentication by the HTTP protocol from the IPTV communication client 111 of the IPTV terminal 20 when authenticating the T-communication main session ( In operation S505, the authentication result is transmitted to the IPTV communication client 111 of the IPTV terminal 20 in operation S506.

The access front end server 103 receives the SAID for the communication main session login request from the IPTV communication client 111 of the IPTV terminal (S507), manages the SAID login session and logs in to the presence server 107 with the received SAID. Request (S508), receives the login result from the presence server 107 (S509) determines whether the SAID is valid and transmits the login result of the communication main session to the IPTV communication client 111 of the IPTV terminal 20. Maintain the communication main session (510).

The personalization authentication server (HDS server) 225 receives PIN request information including PIN, SAID, and APP information from the IPTV communication client 111 of the IPTV terminal 20 through the return pass server 220 for PIN authentication. In operation S511, when the PIN authentication is confirmed, a UK (Unique Key) is generated and the PIN authentication result including the UK is transmitted to the IPTV communication client 111 of the IPTV terminal 20 through the return pass server 220 (S512). ).

After the PIN authentication, when the messenger login blue authentication server 102 is logged in with a personal ID using the SAID, UK from the IPTV communication client 111 having the dialing module of the IPTV terminal 20 (S513), personal ID The authentication result is transmitted to the IPTV communication client 111 of the IPTV terminal 20 (S514).

When the authentication server 102 logs in with the personalized login ID (ID / Passwd) using SAID, UK, ID, and Passwd from the IPTV communication client 111 of the IPTV terminal 20 (S516), the login ID authentication result To the IPTV communication client 111 of the IPTV terminal 20 (S517).

The access shear server 103 receives a messenger login request from the IPTV communication client 111 of the IPTV terminal 20 (S518), requests a login to the presence server 107 (S519), and logs in in response thereto. Receive the message (S520), set personalization information, and transmit a messenger login result to the IPTV communication client 111 of the IPTV terminal 20 (S521).

As a result, the IPTV service undergoes STB SAID terminal authentication at the personalization authentication server (HDS authentication server) 225 at the first IPTV terminal booting, and undergoes PIN (Personal Identification Number) authentication and messenger authentication at IPTV communication client login. Thereafter, the return pass server system 220 records log information for the billing service for each member, and records start / end time information of the dialing service using the intelligent network.

8 is a configuration diagram of a dialing service using an IPTV communication client.

Previously, the user agrees to the terms and conditions for the Click to Call service using the intelligent network and sends member registration information (member ID, password, name, address, social security number, etc.) and home phone number to the member management server. The registration process is made by dialing the service by entering the authentication number sent to the home phone number when registering.

The user selects the dialing menu of the T-communication menu on the IPTV terminal, selects a buddy managed by the buddy server using the IPTV communication client, and selects the 'call' button in the submenu to make a call. The module is transmitted to the dialing service server 120 through HTTP communication, which dials the phone number of the other buddy using an intelligent network.

At this time, the IPTV communication client 111 logs in to the dialing service server 120 using the authentication key (UK, Unique Key) received at the time of authentication, and enters the recipient's telephone number in the input window while the dialing session is generated. Or, select a friend from the registered call list (buddy list) and press the dialing confirmation button intelligent network interworking server 140 through the dialing service server 120 for the outgoing information for the dialing service using the intelligent network (IN) (S1).

The calling information includes a user member number, a user ID, a set-top box ID (SAID), a home phone number, and a receiver phone number.

The intelligent network interworking server 140 receives the transmission information, stores the transmission history (S2), and transmits the transmission information to the intelligent network AS 150 (S3).

The intelligent network AS 150 transmits the outgoing information to a service control point (SCP) through the parlay gateway 160 (S4 and S5).

The service control system (SCP) connects to the service management point (SMP) from the received outgoing information to check the information of the subscriber of the dialing service using the intelligent network, and the outgoing information (user's telephone number, user ID, set-top box). ID (SAID), home phone number, and recipient's phone number), if the subscriber is a dialing service subscriber using the intelligent network, the subscriber's home telephone number through the intelligent network service switching system (SSP) and the parlay gateway 160 to the corresponding call exchange. Requests the connection between the incoming and outgoing calls of

Subsequently, the intelligent network service exchange system (SSP) converts the protocol through the PRAYN gateway 160 and connects the call to the home telephone number of the subscriber of the dialing service subscriber using the IPTV set at the time of membership registration through the PSTN exchange of the PSTN network (S6). At the same time, the protocol is converted through the Parlay gateway 160 to connect the call to the receiver's telephone number through the mobile communication switch (S7).

When the IPTV viewer hears a ringing tone on his / her home phone, and the receiver's phone (for example, a mobile communication terminal) hears the ringing tone and receives a call, the caller and caller's call number is set (S8), and the caller and the called party's voice call (S9). , Release the call (S10).

In this process, the service control system (SCP) is the IPTV of the IPTV terminal 20 through the parlay gateway 160, intelligent network AS 150, intelligent network interworking server 140, dialing service server (messenger server) 120 The call result is transmitted to the communication client 111 (S11-S14).

9 is a flowchart illustrating a call service method using IPTV according to an embodiment of the present invention.

The data broadcasting system DBS of the IPTV headend system 200 transmits portal screen data including a T-communication menu having a dialing function to the requested IPTV terminals 20 (step S20).

Referring to FIG. 7, the personalization authentication server (HDS server) 225 receives terminal authentication request information including SAID and APP information during STB booting from the IPTV communication client 111 including the dialing module of the IPTV terminal 20. In step S501, an authentication key (UK, Unique Key) is generated and the terminal authentication result including the UK is transmitted to the IPTV communication client 111 of the IPTV terminal 20 (S502) (step S21).

The access distribution server 101 receives a request for access point and Seed value inquiry from the IPTV communication client 111 of the IPTV terminal 20 (S503), generates an access point server information and a SEED value for encryption, and generates an IPTV terminal ( The IPTV communication client 111 transmits to the IPTV communication client 111 and designates the connection front end server 103 to be connected (S504). The IPTV communication client 111 of the IPTV terminal 20 generates an encryption key using the Seed value.

The authentication server 102 receives a set-top box ID (SAID) for T-Comm main session authentication by the HTTP protocol from the IPTV communication client 111 of the IPTV terminal 20 when authenticating the T-communication main session ( In operation S505, the authentication result is transmitted to the IPTV communication client 111 of the IPTV terminal 20 in operation S506.

An access proxy server (IM Proxy) 103 receives an SAID for a communication main session login request from the IPTV communication client 111 of the IPTV terminal (S507), manages an SAID login session, and uses a received server with the presence SAID. 107), if the login request is made (S508), the login result is received from the presence server 107 (S509), and if the SAID is valid, the communication main session to the IPTV communication client 111 of the IPTV terminal 20 is determined. Maintains the communication main session by transmitting a login result of 510.

The personalization authentication server (HDS server) 225 receives PIN request information including PIN, SAID, and APP information from the IPTV communication client 111 of the IPTV terminal 20 through the return pass server 220 for PIN authentication. (S511) (step S22), if the PIN authentication is confirmed (step S23), generate a unique key (UK) to return the PIN authentication result including the UK via the return path server 220 of the IPTV communication client of the IPTV terminal 20 The process then transmits to 111 (S512) (step S24).

After the PIN authentication, when the messenger login blue authentication server 102 is logged in with a personal ID using the SAID, UK from the IPTV communication client 111 having the dialing module of the IPTV terminal 20 (S513), personal ID The authentication result is transmitted to the IPTV communication client 111 of the IPTV terminal 20 (S514).

When the authentication server 102 logs in with the personalized login ID (ID / Passwd) using SAID, UK, ID, and Passwd from the IPTV communication client 111 of the IPTV terminal 20 (S516), the login ID authentication result To the IPTV communication client 111 of the IPTV terminal 20 (S517).

The access shear server 103 receives a messenger login request from the IPTV communication client 111 of the IPTV terminal 20 (S518), requests a login to the presence server 107 (S519), and logs in in response thereto. Receives the result (S520), sets personalization information, and transmits the messenger login result to the IPTV communication client 111 of the IPTV terminal 20 (S521).

First, the user agrees to the terms and conditions for the dialing service using the intelligent network of the T-Communication menu, and sends member registration information (member ID, password, name, address, social security number, etc.) and home phone number to the member management server 130. Send and register, and enter the authentication number sent to the home phone number when registering as a member registration process is made. That is, the member management server 130 of the dialing main system 127 receives the dialing service membership registration information using the intelligent network from the IPTV terminal (STB + TV) 20 (step S25).

The dialing service server 120 inputs the recipient's telephone number in the input window from the communication client 111 of the IPTV terminal or selects a friend from the call list (Buddy list) and presses the dialing confirmation button to transmit the information. Receive

The IPTV viewer selects the dialing menu of the T-communication in the IPTV terminal 20. The viewer logs into the dialing service server 120 using the SAID, UK (Unique key), ID, and Passwd as the IPTV communication client 111, and connects to the dialing module 112 connected to the dialing service server 120. The caller's phone number in the call input window or by selecting a friend from the call list (Buddy list) and pressing the dialing confirmation button (user membership number, user ID, SAID, home phone number, recipient's phone number) Is transmitted to the dialing service server 120 (step S26).

The dialing service server 120 transmits the received outgoing information to the intelligent network interworking server 140 (step S27).

The intelligent network interworking server 140 receives the origination information, stores the origination history, and transmits the origination information to the intelligent network AS 150 (S28).

The intelligent network AS 150 transmits the origination information to a service control point (SCP) through the parlay gateway (Parlay G / W) 160 (S29).

The service control system (SCP) checks the information of the subscriber of the dialing service using the intelligent network by connecting to a service management point (SMP) from the outgoing information received through the intelligent network AS 150 and the parlay gateway 160. If the subscriber of the dialing service using the intelligent network by analyzing the outgoing information (step S30), the incoming / outgoing call of the subscriber's home telephone number and the recipient's telephone number is connected to the corresponding incoming / exit exchange through the parlay gateway 160 to the intelligent network service switching system (SSP). Ask if possible.

After that, the intelligent network service exchange system (SSP) converts the protocol through the PRAYN gateway 160 to connect the call to the home telephone number of the subscriber of the dialing service subscriber using the IPTV set at the time of membership registration through the PSTN exchange of the PSTN network. At the same time, the protocol is converted through the gateway gateway 160 to connect the call to the receiver phone number through the mobile communication exchange. When the IPTV viewer rings with his / her home phone and the receiver's phone (for example, a mobile communication terminal) receives a call with a ringing tone, the call call of the caller and the called party is set, and after the voice call, the call is released (step S31).

In this process, the service control system (SCP) is a call of the IPTV communication client 111 of the set-top box through the parlay gateway 160, intelligent network AS 150, intelligent network interworking server 140, dialing service server 120 The ringing result is sent to the dialing module (step S32).

In the dialing process, the return pass server system 220 records the log information of the user for the billing service for each member, and stores the start / end time information of the dialing service using the intelligent network (step S33).

Thereafter, the billing processing system (back office system) performs billing on a monthly basis for the use of the dialing service using the intelligent network for each member (step S34).

In conclusion, the IPTV dialing service system provides a IPTV dialing service in response to a subscriber's request. The IPTV terminal 20 of the IPTV dialing service subscriber (hereinafter referred to as a subscriber) uses an IPTV network. Requesting terminal authentication through the terminal, performing terminal authentication; When the channel join request for the portal screen channel of the dialing service system using the IPTV is received from the IPTV terminal 20 of the subscriber, the portal screen data including information on the dialing service using the IPTV is provided. process; Receiving a call service request from the IPTV terminal; And transmitting a dialing service request including the calling information to an intelligent network system.

The calling information includes at least a calling party telephone number and a recipient telephone number associated with the user ID.

The terminal authentication request from the IPTV terminal 20 is performed at the time of booting the IPTV terminal.

In the terminal authentication, when the personalization authentication server of the telephone service system using the IPTV receives the terminal authentication request message including the ID (SAID) of the terminal from the IPTV terminal, the terminal authentication key (UK: Uniqueue) corresponding to the SAID generating a key) and transmitting the generated key to the IPTV terminal 20; When the dialing main system of the dialing service system using the IPTV receives the authentication request including the SAID and the terminal authentication key from the IPTV terminal, performing authentication and transmitting a result to the IPTV terminal 20; Performing personal authentication for providing a dialing service using the IPTV; And when the dialing main system of the dialing service system using the IPTV receives a login request from the IPTV terminal 20, performing a login and transmitting a result to the IPTV terminal.

In the personal authentication, the personalization authentication server of the telephone service system using the IPTV includes the ID (SAID) of the terminal and a personal identification number (Personal Identification Number, PIN) input from the subscriber. Receiving a personal authentication request message, generating a personal authentication key corresponding to the SAID and the PIN and transmitting the personal authentication key to the IPTV terminal; When the dialing main system of the dialing service system using the IPTV receives the authentication request including the SAID and the personal authentication key from the IPTV terminal 20, performing authentication and transmitting a result to the IPTV terminal; When the dialing main system of the dialing service system using the IPTV receives the login request from the IPTV terminal 20, performing a login and transmitting a result to the IPTV terminal; Checking, by the intelligent network system, information of a subscriber of a dialing service using IPTV and requesting connection of a call to a subscriber's telephone number and a receiver's telephone number to a corresponding call exchange through a gateway when the subscriber is identified as a subscriber; And when both the subscriber and the receiver receive a call, controlling a call channel between the two terminals.

The authentication request, characterized in that the ID and password input from the subscriber.

The IPTV terminal 20 is connected to a telephone service system using IPTV through an IPTV network by an IPTV communication client program (hereinafter, referred to as an "IPTV communication client") performed in the terminal, thereby providing IPTV service to an IPTV service subscriber. The method for providing a dialing service using the method comprises: requesting terminal authentication to a dialing service system using IPTV through an IPTV network, and performing terminal authentication; Performing a channel join on the portal screen channel of the telephone service system using IPTV; Receiving a portal screen from a dialing service system using the IPTV and displaying the portal screen on a screen of an IPTV terminal; Receiving a selection of a dialing service using an IPTV from an IPTV communication service from the subscriber in the provided portal screen; And when a dialing service request is input from the subscriber, transmitting a dialing service request including the other party's telephone number to the dialing service system using the IPTV.

The terminal authentication request from the IPTV terminal 20 is performed when the IPTV terminal 20 is booted.

The terminal authentication process may include transmitting a terminal authentication request message including an ID (SAID) of the IPTV terminal to a personalization authentication server 225 of a telephone service system using IPTV; Receiving a terminal authentication key (UK) from the personalization authentication server 225, transmitting an authentication request message including the received terminal authentication key and the SAID to the dialing main system 120; Performing personal authentication for providing a dialing service using the IPTV; And receiving a message indicating that authentication has passed from the dialing main system 120, transmitting a login request to the dialing main system and receiving a login result.

The personal authentication provides a personal identification number (PIN) input window on an IPTV terminal screen, and when a PIN is input from the specific subscriber, the ID (SAID) of the IPTV terminal and a PIN input from the subscriber are included. Transmitting a personal authentication request message to the personalization authentication server 225; When receiving the personal authentication key from the personalization authentication server 225, transmitting an authentication request including the SAID and the personal authentication key to the dialing main system 120 of the dialing service system using IPTV; And receiving an authentication result from the dialing main system 120, and in case of an authentication pass, transmitting a login request to the dialing main system 120 and receiving a login result.

The authentication request sent to the dialing main system 120 of the dialing service system using the IPTV includes an ID and password input from the subscriber.

Therefore, the IPTV viewer can call the friend's public phone number by Click to Call without inputting the telephone number in the telephony module of the IPTV communication client 111. If the friend's phone number is not public, By making a call by entering the recipient's phone number in the phone number input window, you can make a voice call by automatically connecting an incoming / outgoing call between the home phone and the receiver's phone (eg, mobile communication terminal).

As described above, the method of the present invention can be embodied as a program and stored in a computer-readable recording medium (CD-ROM, RAM, ROM, floppy disk, hard disk, magneto-optical disk, etc.).

As described above, although described with reference to a preferred embodiment of the present invention, those skilled in the art various modifications of the present invention without departing from the spirit and scope of the invention described in the claims below Or it may be modified.

As described above, the telephone service system and method using the IPTV according to the present invention, after selecting the dialing menu of the T-communication menu in the IPTV terminal, using an IPTV communication client (messenger) having a dialing module If you select a friend from the call list and press the dialing confirmation button, it is sent to the intelligent network through the intelligent network interworking server, intelligent network AS, and Parlay G / W through the dialing service server (messenger server). By providing a Click-to-Call call service, a friend's phone number is automatically dialed by a friend's public phone number without having to enter a phone number in the messenger of the IPTV terminal. If the number is not public, enter the recipient's phone number in the phone number field. This has the effect of providing a dialing function.

Claims (32)

A system for providing a dialing service using IPTV, A data broadcasting system for generating portal screen data including information on a dialing service using IPTV; A return path server system connected to an IPTV terminal through a IPTV network via a return channel and transmitting and receiving bidirectional data with the IPTV terminal in a unicasting manner to provide a dialing service using an interactive IPTV; Receiving an authentication request message for a dialing service using IPTV from the IPTV terminal using an IPTV network through the return pass server system, generating an authentication key (Unique Key, UK) in response to the authentication request message; Personalization authentication server for transmitting to the IPTV terminal via a return path server system; A dialing main system which is in communication with the IPTV terminal by an IPTV communication client in the IPTV terminal and is responsible for performing a dialing service using IPTV; Dialing service system using IPTV including a. The method according to claim 1, A multiplexing system for multiplexing the portal screen data and program specific information (PSI) and then outputting the multiplexed stream into IP packets; And A network switch system for transmitting the IP packetized transport stream received from the multiplexing system to a plurality of IPTV terminals through an IP network in a multicast manner; Dialing service system using IPTV, characterized in that it further comprises. The method according to claim 1, The dialing main system, A connection front end server for establishing and maintaining a connection session with the IPTV terminal; An authentication server for performing authentication of the IPTV terminal or authentication of an individual dialing service subscriber using IPTV according to the information received from the IPTV terminal; A dialing service server receiving the dialing request from the IPTV terminal and transmitting a dialing request message to the intelligent network interworking server; And An intelligent network interworking server transmitting a dialing request message to an intelligent network system according to a dialing request received from the dialing service server; Dialing service system using IPTV comprising a. The method of claim 3, The dialing main system, An access distribution server which manages connection location information of the IPTV terminal and designates a connection front end server to be connected at the time of connection request of the IPTV terminal; Dialing service system using IPTV, characterized in that it further comprises. The method of claim 4, The connection distribution server, Generating a seed value for encryption of authentication data including a unique key when performing authentication according to the authentication request of the IPTV terminal, and transmitting the seed value to an IPTV communication client; Dialing service system using IPTV, characterized in that it further comprises. The method of claim 3, The dialing main system, A presence server that performs login processing of an IPTV communication client of an IPTV terminal subscribed to a dialing service using IPTV, and manages a connection state of the IPTV communication client; Dialing service system using IPTV, characterized in that it further comprises. The method according to claim 1, An intelligent network system connected to the dialing main system through an information communication network and connecting a call to a caller's telephone number and a requested incoming telephone number according to a dialing request received from the dialing main system; Dialing service system using IPTV, characterized in that it further comprises. The method of claim 7, The intelligent network system, An intelligent network service switching system (SSP) using a No.7 signaling protocol and connected to an exchange through a gateway to provide a call control function and a service exchange function for a dialing service using an intelligent network; An intelligent information providing system (IP) that provides various announcements necessary for the intelligent network service and provides a voice interface; A service management system (SMP) for storing and managing information of intelligent network service subscribers; And The intelligent network is connected to the gateway and the intelligent network service switching system (SSP) and is connected to a telephone terminal of a specific subscriber who has requested a dialing service to a telephone service system using an IPTV and a telephone terminal of a called party requested by the subscriber. A service control system (SCP) which makes a request to the service switching system (SSP); Dialing service system using IPTV comprising a. The method according to claim 1, The IPTV terminal, IP set-top box built-in TV, IP set-top box connected to the user's TV, computer, a notebook service system using IPTV, characterized in that it comprises a laptop. delete A method for providing a dialing service using an IPTV by a telephone service system using an IPTV according to a subscriber's request, (a) performing terminal authentication when an IPTV terminal of a dialing service subscriber (hereinafter referred to as a subscriber) using IPTV requests terminal authentication through an IPTV network; (b) when the channel join request for the portal screen channel of the dialing service system using the IPTV is received from the subscriber's IPTV terminal, providing the portal screen data including information on the dialing service using the IPTV. step; (c) receiving a dialing service request from the IPTV terminal; And (d) transmitting a dialing service request including the calling information to the intelligent network system; Dialing service providing method using an IPTV comprising a. The method of claim 11, In the outgoing information, Method for providing a dialing service using IPTV, characterized in that it comprises a calling party telephone number, a recipient telephone number associated with the user ID. The method of claim 11, The terminal authentication request from the IPTV terminal in step (a) Method for providing a dialing service using IPTV, characterized in that performed at the boot of the IPTV terminal. The method of claim 11, The terminal authentication in the step (a) (a1) When the personalization authentication server of the telephone service system using the IPTV receives the terminal authentication request message including the ID (SAID) of the terminal from the IPTV terminal, the terminal generates a terminal authentication key corresponding to the SAID and generates the IPTV terminal. Transmitting to; (a2) when the dialing main system of the dialing service system using the IPTV receives the authentication request including the SAID and the terminal authentication key from the IPTV terminal, performing authentication and transmitting a result to the IPTV terminal; And (a3) when the dialing main system of the dialing service system using the IPTV receives a login request from the IPTV terminal, performing a login and transmitting a result to the IPTV terminal; Dialing service providing method using an IPTV comprising a. The method of claim 11, Between step (b) and step (c), (b1) performing personal authentication for providing a dialing service using the IPTV; Dialing service providing method using an IPTV, characterized in that it further comprises. 16. The method of claim 15, The personal authentication of step (b1) (b11) The personal authentication request message of the personalization authentication server of the telephone service system using the IPTV includes an ID (SAID) of the terminal and a personal identification number (PIN) input from the subscriber. Receiving a message, generating a personal authentication key corresponding to the SAID and the PIN and transmitting the generated personal authentication key to the IPTV terminal; (b12) when the dialing main system of the dialing service system using the IPTV receives an authentication request including the SAID and the personal authentication key from the IPTV terminal, performing authentication and transmitting a result to the IPTV terminal; And (b13) when the dialing main system of the dialing service system using the IPTV receives a login request from the IPTV terminal, performing a login and transmitting a result to the IPTV terminal; Dialing service providing method using an IPTV comprising a. 18. The method of claim 16, In the authentication request received in step (b12), Method for providing a dialing service using IPTV, characterized in that the ID and password input from the subscriber is included. The method of claim 11, After the step (d), (e) checking, by the intelligent network system, information on a subscriber of a dialing service subscriber using IPTV, and requesting connection of a call to a subscriber's telephone number and a recipient's telephone number through a gateway to a corresponding incoming / outgoing exchange through a gateway; And (f) controlling a call channel to be established between both terminals when the subscriber and the receiver both receive a call; Dialing service providing method using an IPTV, characterized in that it further comprises. The IPTV terminal is connected to the IPTV dialing service system using the IPTV through the IPTV network by an IPTV communication client program (hereinafter referred to as an 'IPTV communication client') that is executed inside the terminal, and makes an IPTV call to the subscriber of the IPTV service. As a method of providing a service, (a) requesting terminal authentication to a telephone service system using IPTV through an IPTV network, and performing terminal authentication; (b) performing a channel join on the portal screen channel of the telephone service system using IPTV; (c) receiving a portal screen from a dialing service system using the IPTV; (d) displaying the portal screen provided in step (c) on the screen of the IPTV terminal; (e) receiving a selection of a dialing service using IPTV among IPTV communication services from the subscriber in the provided portal screen; And (f) if a dialing service request is input from the subscriber, transmitting a dialing service request including a counterpart's telephone number to the dialing service system using the IPTV; Dialing service providing method of the IPTV terminal comprising a. The method of claim 19, The terminal authentication request from the IPTV terminal in step (a) Method for providing a dialing service of an IPTV terminal, characterized in that performed at the boot of the IPTV terminal. The method of claim 19, The terminal authentication process of step (a) (a1) transmitting a terminal authentication request message including an ID (SAID) of the IPTV terminal to a personalization authentication server of a telephone service system using the IPTV; (a2) When the terminal authentication key is received from the personalization authentication server of the dialing service system using the IPTV, an authentication request message including the received terminal authentication key and the SAID is dialed main system of the dialing service system using IPTV. Transmitting to; And (a3) When receiving a message indicating that authentication has been passed from the dialing main system of the dialing service system using IPTV, sending a login request to the dialing main system of the dialing service system using IPTV and receiving a login result. step; Dialing service providing method of an IPTV terminal comprising a. The method of claim 19, Between step (d) and step (e), (d1) performing personal authentication for providing a dialing service using the IPTV; Dialing service providing method of the IPTV terminal, characterized in that it further comprises. 23. The method of claim 22, Personal authentication of the step (d1), (d11) When a PIN is input from the subscriber by providing a personal identification number (PIN) input window on the IPTV terminal screen, a personal authentication request including an ID (SAID) of the IPTV terminal and a PIN input from the subscriber is provided. Transmitting a message to a personalization authentication server of a dialing service system using IPTV; (d12) when receiving the personal authentication key from the personalization authentication server, transmitting an authentication request including the SAID and the personal authentication key to a dialing main system of a dialing service system using IPTV; And (d13) Receive the authentication result from the dialing main system of the dialing service system using the IPTV, and if the authentication passes, send a login request to the dialing main system of the dialing service system using the IPTV and receive the login result. Making; Dialing service providing method of an IPTV terminal comprising a. 24. The method of claim 23, In the step (d12) the authentication request sent to the dialing main system of the dialing service system using the IPTV, Dialing service providing method of the IPTV terminal, characterized in that it contains the ID and password input from the subscriber. An IPTV communication client program performed in an IPTV terminal and providing an IPTV communication service including an IPTV communication service to a subscriber of the IPTV communication service while communicating with a dialing service system using the IPTV (hereinafter referred to as an IPTV communication client). Computer-executable recording medium having recorded thereon, The IPTV communication client includes: A communication main module configured to perform a terminal authentication process with a telephone service system using IPTV, establish a communication main session, and control an IPTV communication service; And A dialing module which is performed when an IPTV subscriber selects a dialing service using an IPTV among the IPTV communication services to communicate with a dialing service system using an IPTV and is responsible for performing a dialing service using an IPTV; Recorded media recorded by the IPTV communication client comprising a. 26. The method of claim 25, The IPTV communication client includes: A recording medium on which an IPTV communication client is recorded, which is executed when the IPTV terminal is booted. 26. The method of claim 25, The communication main module includes: When the IPTV terminal is booted, the terminal authentication request message including the ID (SAID) of the IPTV terminal is transmitted to the dialing service system using the IPTV, and communicates with the dialing service system using the IPTV and performs the terminal authentication process. A recording medium on which an IPTV communication client is recorded, which establishes a main session. 26. The method of claim 25, The communication main module includes: Recording medium in which an IPTV communication client is controlled by an Observer module that recognizes a command input from a subscriber. 26. The method of claim 25, The communication main module includes: When inputting a dialing service request from a subscriber, a personal authentication request message including a personal identification number (PIN) and an ID (SAID) of an IPTV terminal received from the subscriber is transmitted to a dialing service system using IPTV. And a function of communicating with the IPTV dialing service system using the IPTV and performing a personal authentication process. 26. The method of claim 25, The dialing module, Providing a user interface for dialing a subscriber; And Transmitting a call request message including the caller information received from the subscriber to a call service system using the IPTV; Recorded media recorded on the IPTV communication client comprising a. The method of claim 30 The call information is, A recording medium having recorded thereon an IPTV communication client, comprising a calling party number and a called party number associated with a user ID. The method of claim 30 The dialing module, Receiving and displaying a result message of a dialing service from a dialing service system using the IPTV; Recorded media recorded on the IPTV communication client comprising a.

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