KR100619314B1 - SERVICE METHOD FOR INTELLIGENT NETWORK CARD 0N VoIP ENVIRONMENT - Google Patents

Abstract

The present invention relates to a method for providing an intelligent network card service in a VoIP environment.

The present invention, when receiving a specific card service number dialed through the caller's VoIP terminal in the SCP (Service Control Point) instructing the IP (Intelligent Peripheral) announcement for the caller's card number collection; The IP is configured to transmit an announcement for requesting card number input, and collect the card number inputted from the caller and transmit the information to the SCP; The SCP confirming the existence of the corresponding card and the balance, and instructing the IP to guide the call for collecting the called number; The IP is configured to transmit a guide broadcast requesting an input of a called number, collect the called number input from the caller, and transmit the received calling number to the SCP; The SCP instructing a service switching point (SSP) to call setup to the called number; And the SCP is characterized in that it comprises the step of terminating the call by instructing the end of the call to the SSP after generating the billing information, when the caller is connected to the called party and the call termination request.

VoIP, intelligent network, card service, MGC, SG, SSP, IP, SCP, ISUP

Description

SERVICE METHOD FOR INTELLIGENT NETWORK CARD 0N VoIP ENVIRONMENT}             

1 is a comprehensive network conceptual diagram according to the present invention;

2 is a conceptual diagram of a protocol applied to each component of a network according to the present invention;

FIG. 3 is a schematic diagram illustrating a process of converting an ISUP message through an SG to an SCP through a SSP, and receiving a call control to use an intelligent network service of a PSTN according to the present invention;

4 is a flowchart illustrating an intelligent network card service in a VoIP environment according to the present invention.

* Explanation of symbols for main parts of the drawings

102: caller VoIP terminal 104: Internet network

106: MGC 108: SG

110: SSP 112: IP

114: SS7 signal network 116: SCP

118: DB 120: PSTN Switching Network

122: TG 124: LE

126: called party terminal

The present invention relates to a method for providing an intelligent network card service, and more particularly, to a method for providing an intelligent network service provided through a PSTN network in a VoIP environment.

Intelligent Network is a network that connects a computer to a conventional public telephone network so that new technologies can be easily integrated.The central network is used to control various exchanges or terminals in the network through a central service control computer. It is a network connected organically by line.

Such an intelligent network has a transmission network for exchanging and transmitting information such as voice and data, a signal network for transmitting control signals between elements of the transmission network through a common line signaling method (No. 7), and an intelligent network service while retaining data on users. It consists of a service network to control the.

The additional services provided by the intelligent network may include an incoming billing service, a credit call service, a personal number service, an internal internal calling device service, an emergency response service, a public information service, and a ring back tone service.

On the other hand, there is still no way to provide a variety of additional services over the VoIP network. Therefore, there is a need to provide a method for using various additional services provided through a PSTN network without any special limitation in a VoIP environment. In particular, there will be a great need to provide a service method associated with a card.

Accordingly, the present invention has been made to meet the above needs, and provides a method (eg, calling card, prepaid card, etc.) for providing services related to cards among the intelligent network services provided through the PSTN network in a VoIP environment. have.

In order to achieve the above object, an intelligent network card service providing method in a VoIP environment according to the present invention, when receiving a specific card service number dialed through the caller's VoIP terminal from the SCP (Intelligent Peripheral) Instructing the caller to collect the caller's card number; The IP is configured to transmit an announcement for requesting card number input, and collect the card number inputted from the caller and transmit the information to the SCP; The SCP confirming the existence of the corresponding card and the balance, and instructing the IP to guide the call for collecting the called number; The IP is configured to transmit a guide broadcast requesting an input of a called number, collect the called number input from the caller, and transmit the received calling number to the SCP; The SCP instructing SSP (Service Switching Point) to call setup to the called number; And the SCP is characterized in that it comprises a step of terminating the call by instructing the end of the call to the SSP after generating the billing information, when the caller is connected to the called party and the call termination request.

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

1 is a schematic diagram of a comprehensive network according to the present invention, which illustrates that a VoIP call using an intelligent network service of a PSTN network must be controlled by a SCP (Service Control Point) located in a PSTN network.

FIG. 2 is a conceptual diagram of a protocol applied to each component of a network according to the present invention, and describes a accessible path and a corresponding protocol when a terminal of a VoIP network wants to use an intelligent network service or other services.

In general, if VoIP does not have the service switching function (SSP) function of the PSTN, the VoIP intelligent network call is converted into an Integrated Services Digital Network User Part (ISP) message through a signaling gateway (SG) to convert the service switching point (SSP). It is delivered to SCP (Service Control Point) through which service is provided.

However, if there is a separate device with SSP function, the PSTN intelligent network card service call generated from the VoIP terminal is delivered as a SIP (Session Initiation Protocol) message and converted into an INAP (Intelligent Network Application Protocol) message through the SSP. It is immediately forwarded to SCP.

The INAP is a next-generation intelligent network application protocol, and is a protocol of an application layer above the TCAP for supporting interaction between physical entities such as SCP-SSP, Intelligent Peripheral (SCP-IP), etc. using No.7 common line signaling. to be.

3 is a schematic diagram illustrating a process of converting an ISUP message through an SG, using an SSP, and being transferred to an SCP via an SSP to control a call according to the present invention.

Referring to FIG. 3, "102" is a caller VoIP terminal, "104" is an internet network, "106" is a MGC (Media Gateway Controller), "108" is a signaling gateway (SG), and "110" is a service switching. Point), "112" is Intelligent Peripheral (IP), "114" is SS7 Signaling Network, "116" is Service Control Point (SCP), "118" is Database, "120" is PSTN Switching Network, "122" is TG (Trunk Gateway), "124" represents LE (Local Exchange), and "126" represents a called party terminal, respectively. A network including these components can provide an intelligent network service provided through a PSTN network in a VoIP environment.

4 is a flowchart illustrating an intelligent network card service in a VoIP environment according to the present invention.

Referring to the figure, when a caller dials a designated card service number to use a card service using his VoIP terminal 102, the card service number is transferred from the MGC 106 to the SG 108 and the SSP 110. Rough and then passed to SCP 116 (S402, S404).

At this time, the SG 108 transmits the card service number to the SSP 110 through the ISUP message. Then, the SSP 110 determines the prefix of the card service, generates an InitialDP, and delivers it to the SCP 116.

On the other hand, when SCP 116 instructs the IP 112 to announce the announcement for the caller's card number collection, IP 112 transmits the announcement requesting the card number input (S406, S408). Then, when the caller enters the card number through its terminal 102, IP 112 collects the input card number and delivers it to SCP (116) (S410, S412).

Then, SCP 116 checks the existence of the card and the balance, and instructs the IP 112 to guide the call for collecting the called number (S414, S416). Subsequently, the IP 112 transmits a guide broadcast requesting the input of the called number, and when the caller inputs the called number through his terminal 102, the IP 112 collects it and delivers it to the SCP 116 (S418, S420). S422).

Next, when the SCP 116 instructs the SSP 110 to set the call to the called number, the SSP 110 requests the caller terminal 126 to set up the call (S424, S426). Subsequently, when the caller requests a call termination after the caller is connected to the called party and requests a call termination, SCP 116 generates charging information according to the call (S428, S430, S432).

Finally, when the SCP 116 instructs the SSP 110 to terminate the call, the SSP 110 requests the caller terminal 126 to terminate the call (S434, S436).

As described above, in the method of providing an intelligent network card service in a VoIP environment, by providing a card-related service among the intelligent network services provided through a PSTN network in a VoIP environment, VoIP terminal users on the Internet can use the intelligent network card service without any special restrictions. .

On the other hand, the present invention is not limited to the above-described embodiment and can be variously used or applied in the field of intelligent network services of the VoIP environment by those skilled in the art without departing from the technical spirit.

Claims (3)

In a method for providing an intelligent network card service in a VoIP environment, Receiving a specific card service number dialed through the caller's VoIP terminal, instructing an IP (Intelligent Peripheral) to guide the caller to collect the caller's card number; The IP is configured to transmit an announcement for requesting card number input, and collect the card number inputted from the caller and transmit the information to the SCP; The SCP checking the presence or absence of the input card number and a balance, and instructing the IP to guide announcement for collecting a called number; The IP is configured to transmit a guide number requesting the called number input, collect the called number input from the caller, and deliver the received call number to the SCP; The SCP instructing SSP (Service Switching Point) to call setup to the incoming call number; And The SCP includes the step of terminating the call by instructing the SSP to terminate the call after generating the charging information when the caller requests the call termination after the caller is connected to the called party. The card service number received by the SCP is an InitialDP generated by a Media Gateway Controller (MGC) and transmitted through a Signaling Gateway (SG) and the SSP based on a prefix of a specific card service number dialed from a caller. How to provide intelligent network card service in VoIP environment. delete The method of claim 1, The SG provides an intelligent network card service in a VoIP environment, characterized in that for transmitting the card service number to the SSP through an ISUP message.

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