KR100493579B1 - System and method of Roaming service for mobile communication network and VoIP internet network - Google Patents

Abstract

In the roaming system between the mobile communication network and the VoIP Internet network according to the present invention, a mobile telephone subscriber accesses an arbitrary Internet network around the world using an Internet terminal through an interworking between the mobile communication network and the VoIP Internet network, and sends the call to his mobile phone number. And an additional service including an incoming basic call service and an SMS. In particular, the Internet Roaming Gateway System (IRGS), which manages VoIP roaming subscribers in the mobile network, allows users to set the priority of incoming calls for international roaming services and VoIP roaming services when IRGS also serves as an international roaming gateway for mobile networks. Make sure Then, the international roaming service and the VoIP roaming service can be linked and used at the same time, and the service can be provided through the subscriber's mobile terminal or the Internet terminal based on the incoming priority.

Description

System and method of Roaming service for mobile communication network and VoIP internet network

The present invention relates to roaming between a mobile communication network and a VoIP (Voice over IP) Internet network, and in particular, a mobile subscriber uses a VoIP Internet service using a single number through interworking between the mobile communication network and the VoIP Internet network. The present invention relates to a roaming system and a service method between a mobile communication network and a VoIP Internet network, which enable roaming services to be used simultaneously.

VoIP is a term that refers to IP telephony technology for a set of facilities that deliver voice information using IP. In general, this means that voice information is sent in digital form within discrete packets, rather than traditional protocols based on circuits such as public switched telephone networks (PSTNs).

The main advantage of VoIP and Internet telephony technology is that it integrates telephone service by utilizing existing IP network, allowing telephone users to receive long-distance and international phone service in internet and intranet environment with only local call charge.

To use VoIP, enterprises must install VoIP equipment at the gateway, which receives packets divided into packets from users in the company, forwards them to other parts of the intranet, or uses the P-1N or T1 or E1 interface. To send.

In addition, the mobile communication network is a communication network using the SS7 protocol, it is possible to use a wireless telephone service and a short message service through the interworking between the same mobile communication network or different mobile communication networks.

Meanwhile, in order to simultaneously use the mobile communication network and the VoIP Internet network, the user has been provided with the mobile communication network service using a mobile communication phone number, and uses a VoIP phone to use a VoIP phone number to use the VoIP Internet network. Separately, VoIP Internet service was provided.

Therefore, in order for the user to simultaneously use the mobile communication network and the VoIP Internet network service, registration of each phone number is necessary, and interworking between the two networks is impossible.

In order to solve the above problems, the present invention provides a mobile communication network subscribers can simultaneously receive a VoIP Internet network service using their mobile phone number, and to provide a service in connection with an international roaming service; It aims to provide roaming system and service method between internet protocol.

Roaming system between a mobile communication network and a WiFi Internet network according to the present invention,

A system for providing a wired / wireless integrated supplementary service to a subscriber through interworking between a mobile communication network and a VoIP Internet network, the system comprising: a home location register storing subscriber information including location information of the mobile terminal and the wired / wireless integrated supplementary service profile information; A VoIP call management system storing subscriber information including an IP address of an Internet terminal; An application server that manages the location of the Internet terminal in association with the VoIP call management system and receives an additional service profile stored in the home location register when the location is registered using the Internet terminal; The wired / wireless integrated additional service profile information is transmitted to the application server when the location is registered using the Internet terminal in conjunction with the home location register, serves as an international roaming gateway of the mobile communication network, and serves as the international roaming gateway. An Internet Roaming Gateway System (IRGS), which sets an incoming priority for an international roaming service and a VoIP roaming service, and delivers the incoming priority information to the application server to provide a roaming service based on a set incoming priority; A PX (PCX Gateway System) serving as a gateway between the mobile communication network and the VoIP Internet network; And a traffic conversion function between the PGS of the mobile communication network and an application server of the VoIP internet network, and performs a traffic conversion function between the mobile communication network and the VoIP internet network, and integrates wired and wireless to the mobile terminal or the internet terminal of the subscriber based on the incoming priority. It includes a trunk gateway that provides additional services.

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In addition, a call origination service method between a mobile communication network and a VoIP Internet network according to another aspect of the present invention,

A mobile communication network including a PGS (PCX Gateway System) serving as a switch between an external network and an internal network, a trunk gateway connected to the PGS to perform data conversion for voice call connection, and a VoIP CMS managing subscriber information. And a method for providing a call origination service between VoIP Internet networks including an Internet terminal capable of receiving VoIP service through an Internet network, the method comprising: (a) an incoming mobile terminal allowing the VoIP CMS to make a call from the Internet terminal; Transmitting the IP address information of the Internet terminal; (b) receiving, at the trunk gateway, a call setup request message including an IP address, number information, and serial number information of an incoming mobile terminal from the Internet terminal; (c) when the trunk gateway requests the mobile station confirmation request message using the number information and the serial number information of the mobile station to the PGS according to the call setup request transmitted from the internet terminal, and the corresponding mobile terminal is confirmed; Transmitting a beep to notify the internet terminal that a response is waiting and waiting for a response; And (d) if there is a response from the mobile terminal, notifying the internet terminal of the response at the trunk gateway and connecting a call through a call setup procedure.

Preferably, the Internet terminal of step (a) is characterized in that the user ID, password, priority information and terminal information is registered in the subscriber management server of the mobile communication network and the VoIP Internet network.

Preferably, in the step (a), the Internet terminal making a logon request to the VoIP Internet network; And transmitting a connection request message of the corresponding internet terminal from the VoIP internet network to the mobile communication network, and registering terminal information and location information of the corresponding internet terminal.

In addition, a call reception service method between a mobile communication network and a VoIP Internet network according to another aspect of the present invention,

PCX (Personal Communication Services eXchange), which serves as a switch for wireless and wired communication functions of a mobile terminal, a Home Location Register (HLR) for managing location information of a terminal connected from the mobile terminal and an external network, and the mobile communication network. And an Internet Roaming Gateway (IRGS) that performs signal protocol conversion and management of subscribers for VoIP roaming subscribers in the VoIP (Voice over IP) Internet network, and a PGS (PCX Gateway) serving as a switch between terminals of the mobile network external network. A mobile communication network including a system, a trunk gateway connected to the PGS to perform data conversion for voice call connection through a VoIP Internet service, a VoIP Call Management System (CMS) to manage VoIP Internet service subscriber information, Call receiving service room between VoIP internet network including internet terminal that can receive VoIP service through internet network The method, (a) step of the PCX is in accordance with the call origination request from the mobile terminal, requesting the location information of the called terminal to the HLR; (b) determining, by the HLR, that the called terminal is a terminal of an external network, requesting location information of the called terminal from the IRGS, and transmitting the received location information to the PCX; (c) the PCX transmits the corresponding incoming request message for call connection to the PGS using the location information of the called terminal received from the HLR, and the PGS sends the corresponding incoming request message for call connection to the trunk gateway; Transmitting the IP address information request message of the called terminal to the VoIP CMS; (d) The VoIP CMS transmits IP address information of the called terminal to the trunk gateway, and the trunk gateway transmits a call setup request signal to the Internet phone, which is the called terminal, and receives a response wait signal through the PCX. Transmitting to the mobile terminal and waiting for a response; And (e) the trunk gateway receiving a response from the internet phone and transmitting a corresponding response message to the PCX through the PGS to connect a call between the mobile terminal and the internet terminal to make a call. .

Preferably, in step (b), the location information of the called terminal provided by the IRGS is characterized in that the location information is registered as the IRGS in the process of logging in the Internet phone in the VoIP Internet network.

In addition, the short message transmission method between the mobile communication network and the VoIP Internet network according to another aspect of the present invention,

PCX (Personal Communication Services eXchange), which serves as a switch for wireless and wired communication functions of a mobile terminal, a Home Location Register (HLR) that manages location information of a terminal connected from the mobile terminal and an external network, and the mobile terminal. A short message service center for providing a short message service, and an Internet Roaming Gateway (IRGS) for converting a signal protocol between the mobile communication network and the voice over IP (VoIP) Internet network and subscriber management for VoIP roaming subscribers. In a short message transmission service method between a mobile communication network, an application server connected to the IRGS and responsible for sending and receiving messages through the Internet network, and an Internet terminal capable of receiving VoIP service through the Internet network. (a) a short message to be transmitted from the internet terminal to the mobile terminal by the application server; Subject to step; (b) creating, by the application server, a message received from the Internet terminal as a VoIP short message and delivering the message to the IRGS, wherein the IRGS transmits the VoIP short message to the short message center; And (c) confirming the called terminal of the VoIP short message at the short message center, receiving the location information by contacting the HLR with the location information of the called terminal, and transmitting the corresponding VoIP message to the PCX. To be transmitted to.

In addition, a method for receiving a short message between a mobile communication network and a VoIP Internet network according to another aspect of the present invention,

PCX (Personal Communication Services eXchange), which serves as a switch for wireless and wired communication functions of a mobile terminal, a Home Location Register (HLR) that manages location information of a terminal connected from the mobile terminal and an external network, and the mobile terminal. A short message service center for providing a short message service, and an Internet Roaming Gateway (IRGS) that performs signal protocol conversion and subscriber management for VoIP roaming subscribers with the mobile communication network and the Voice over IP (VoIP) Internet network. In a short message incoming service method between a mobile communication network, an application server connected to the IRGS for transmitting and receiving messages through the Internet network, and an Internet terminal capable of receiving VoIP service through the Internet network, (a) a short message from the mobile terminal received via the PCX at the short message center; Receiving the message, and receiving the location information by inquiring the location information of the called terminal to the HLR for transmission of the short message; (b) transmitting the short message to the IRGS using the location information received from the HLR at the short message service center, and transmitting the short message to the application server at the IRGS; And (c) creating a corresponding short message as a VoIP short message in the application server and transmitting the short message to the Internet phone.

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

1 is a block diagram illustrating a roaming system structure between a mobile communication network and a VoIP Internet network according to an exemplary embodiment of the present invention.

Referring to FIG. 1, a mobile communication network 100 and a VoIP Internet network 200 are connected, and the mobile communication network 100 includes a mobile terminal 110, a base station subsystem (BSS) 120, and a PCX ( Personal Communications services eXchange (130), Customer Care & Billing System (CCBS) 140, Signaling Transfer Point (STP) 150, Home Location Register (HLR) 160, Internet Roaming Gateway System (170), Short Message Center (SMC) 180, and PGS (PCX Gateway System).

The VoIP Internet network 200 includes an Internet phone 210, a computer 220, an IP Internet network 230, an AP server 240, a trunk gateway 250, and a VoIP customer server. 260 and a VoIP Call Management System (CMS) 270.

In this case, the BSS 120 in the mobile communication network 100 performs a wireless communication with the mobile terminal 110 as a sub system composed of a base station controller (BSC) and a base transceiver system (BTS).

The PCX 130 is a wired / wireless hybrid digital switch that serves as a switch of a mobile communication network and provides a wired communication function and a mobile communication function, and the PGS 190 plays a role of a gateway switch between an internal network and an external network.

In addition, CCBS 140 manages the customer management and billing information of mobile subscribers and VoIP subscribers, STP 150 refers to a signal point for delivering a level 3 message from one signal link to another signal link, SMC ( 180) is responsible for the transmission and reception of short messages.

In addition, the HLR 160 is a database that stores information of a mobile communication service subscriber, and registers almost all subscriber data such as when calling from a mobile terminal, registering a location, and receiving a call to a mobile terminal. It serves to provide the device (VLR; Visitor Location Register) and holds the necessary routine information for the call to the mobile terminal.

IRGS 170 is a device that performs signal protocol conversion and VoIP roaming subscriber management of mobile communication network and VoIP Internet network. It is implemented to handle international roaming gateway function at the same time and receives both international roaming service and VoIP roaming service. Respond to the incoming priority adjustment function.

In addition, in the VoIP Internet network 200, the Internet phone 210 is connected to the IP Internet network 230 to enable voice calls over the Internet, and the Internet-enabled terminal device, such as the computer 220, also has an IP Internet network ( 230) to receive VoIP Internet service.

The AP server 240 is an application server connected to the IRGS 170 of the mobile communication network 100 through TCP / IP so that the mobile terminal 110 can receive VoIP Internet service.

In addition, the trunk gateway 250 is connected to the PGS 190 of the mobile communication network 100 and between an Integrated Services Digital Network User Part (ISP) message of the mobile communication network 100 and a Real-time Transport Protocol (RTP) message of the Internet network. It is in charge of the conversion function, and allows the VoIP Internet service user to connect with the mobile terminal (110). At this time, the PGS 190 serves as a gateway exchange of the incoming and outgoing signals from the external network to the internal network.

In addition, the VoIP CMS 270 in the VoIP Internet network 200 is a call management system of the VoIP Internet network 200, and the VoIP customer server 260 is a server that manages information regarding registration and termination of customers and additional services. .

Roaming service between the mobile communication network 100 and the VoIP Internet network 200 according to the embodiment of the present invention configured as described above is performed as follows.

2 is a flowchart illustrating a roaming service opening / registering procedure between a mobile communication network and a VoIP Internet network according to an exemplary embodiment of the present invention.

Referring to FIG. 2, first, when a subscriber applies for subscription through a VoIP agent 300 to subscribe to VoIP Internet service, the VoIP agent 300 is a front-end system that manages customer information. Service Priority (MIN), U-ID (User ID), PWD (Password), and service priority information required when using a VoIP service and a roaming service simultaneously. When requesting a customer registration (S201), CCBS 140 transmits a registration request message to the IRGS 170 and the VoIP customer server 260 of the mobile communication network 100 (S202, S203).

In this case, the message transmitted to the IRGS 170 in the registration request message includes an ESN (Electronic Serial Number), a MIN, and a call priority flag, and the message sent to the VoIP customer server 260 includes MIN and U. -ID, PWD are included.

If an OK response is received from the IRGS 170 and the VoIP customer server 260 with respect to the registration request message (S204 and S205), the VoIP subscriber is registered.

In addition, the opening process is also performed as described above.

3 is a flowchart illustrating a roaming service cancellation / deletion procedure between a mobile communication network and a VoIP Internet network according to an embodiment of the present invention.

3, in order to terminate the roaming service between the mobile communication network 100 and the VoIP Internet network 200, the VoIP agent 300 in the customer's MIN, U-ID, The cancellation / deletion request including the PWD is performed (S301), and according to the request, the CCBS 140 requests the IRGS 170 and the VoIP customer server 260 to delete the corresponding customer information.

At this time, the IRGS 170 requests deletion using MIN and ESN information, and the VoIP customer server 260 requests deletion using MIN, U-ID and PWD.

4 is a flowchart illustrating a log on procedure of a roaming service between a mobile communication network and a VoIP Internet network according to an exemplary embodiment of the present invention.

Referring to FIG. 4, as described above with reference to FIG. 2, in order to log on to a roaming service using an Internet phone 210, a customer registered / opened to a VoIP Internet service and a roaming service, first, owns a MIN and a site. The logon request message including the ID is transmitted to the AP server 240 (S401). At this time, the site ID refers to an identifier unique to the Internet phone 210 as a VoIP client identifier.

The AP server 240 requests a connection to the IRGS 170 of the mobile communication network 100 according to the logon request transmitted from the Internet phone 210 (S402), and receives a response thereto (S403).

Upon receiving the response to the access request, the AP server 240 transmits the VoIP logon request message including the MIN and the site ID received from the Internet phone 210 to the IRGS 170 (S404).

Then, the IRGS 170 transmits a registration notification message (REGNOT) by transmitting the MIN and ESN of the Internet phone to the HLR 160, and receives a response thereto (regnot).

In addition, the IRGS 170 notifies that the Internet phone 210 is logged on to the AP server 240 to inform that the location is registered in the HLR 160 with an OK message (S407). At this time, the OK message includes Call Waiting (CW), Call Transfer (CCT), 3WC (3WC), Conference Call (CW), Calling Number Identification Presentation (CNIP), and Call Number Identification (CNIR), which are additional service information of VoIP roaming subscribers. Restriction) information is included.

In response to receiving the OK message, when the OK message is received, the AP server 240 notifies the OK message that the logon is completed to the Internet phone 210 (408). If the OK message is not received, the IVR (Interactive) Voice Response) notifies you that you are not logged on.

In addition, in the state where the logon is completed, the IRGS 170 transmits the VoIP call status information to the VoIP Internet network 200 in order to reflect the information on the call prohibition and incoming call protection among the additional services in the VoIP Internet network. It transmits to (S409), and receives a response to the OK message (S410). At this time, the message for the VoIP call state includes Orig (Originating) and Term (Terminating) information.

Then, the AP server 240 terminates the connection with the IRGS 170 for logon (S411).

Following the logon process, the logoff procedure is described as follows.

5 is a flowchart illustrating a log off procedure of a roaming service between a mobile communication network and a VoIP Internet network according to an exemplary embodiment of the present invention.

Referring to FIG. 5, when the Internet phone 210 requests log off to the AP server 240 (S501), the AP server 240 requests a connection to the IRGS 170 (S502), and receives a response (S502). S503).

When the AP server 240 transmits the VoIP logoff message to the IRGS 170 together with the MIN information of the Internet phone, the IRGS 170 transmits a MSINAC (Mobile Station Inactive) message to the HLR 160 (S505). Inform log off and receive a response (S506) (msinact).

In response to the response, the IRGS 170 notifies the AP server 240 with an OK message indicating that the location registration deletion is completed (S507), and the AP server 240 terminates the connection with the IRGS 170 (S508). In step S509, the Internet phone 210 notifies that the user has logged off (S509).

On the other hand, in the roaming service between the mobile communication network and the VoIP Internet network, outgoing and incoming call-out items among additional services in the VoIP Internet network should reflect the information of the HLR 160 of the mobile communication network 100 in real time.

For this purpose, the following restricted treatment procedure is performed.

6 is a flowchart illustrating a VoIP call restriction processing procedure of a roaming service between a mobile communication network and a VoIP Internet network according to an embodiment of the present invention.

Referring to FIG. 6, the HLR 160 instructs QUALDIR (Qualification Directive) to the IRGS 170 in order to inform the VoIP Internet network 200 of information about call prohibition and incoming call out of additional services in the VoIP Internet network in real time. The message is transmitted (S601). In this case, the QUALDIR includes Origination Trigger (hereinafter referred to as Orig) and Termination Trigger (hereinafter referred to as Term) information, which is call origination and incoming call rejection information.

Then, the IRGS 170 transmits an access request message to the AP server 240 (602), and receives an access request response message (S603).

When the connection is established, the call outgoing and incoming callout item information of the HLR 160 is transmitted through the VoIP call state information including Orig and Term information (S604), and the VoIP Internet network 200 is notified. After receiving the OK message from the AP server 240 (S605), the connection is terminated (S606).

On the other hand, deleting the VoIP location in the roaming service between the mobile communication network and the VoIP Internet network is as follows.

7 is a flowchart illustrating a VoIP location deletion process of a roaming service between a mobile communication network and a VoIP Internet network according to an embodiment of the present invention.

Referring to FIG. 7, when the VoIP subscriber turns on the mobile terminal in the mobile communication network 100, the HLR 160 sends a REGCANC (Registration Cancelation) message to the IRGS 170 (S701). Check out the subscriber from the network to prevent outgoing, incoming call processing and supplementary services.

In response to the REGCANC message from the HLR 160, the IRGS 170 requests access to the AP server 240 for the checkout request of the corresponding subscriber (S702) and receives a response (S703).

Then, when connected, the IRGS 170 transmits the VoIP checkout request message to the AP server 240 (S704), and the AP server 240 transmits the checkout request to the corresponding Internet phone 210 (S705). In step S706, an OK message is received.

In addition, when the AP server 240 transmits an OK message to the IRGS 170 in order to notify the IRGS 170 of the OK message in step S706 (S707), the IRGS 170 establishes a connection with the AP server 240. After finishing (S708), the HLR (160) informs that the check out (S709) (regcanc).

As described above with reference to FIGS. 2 to 7, in performing roaming services between a mobile communication network and a VoIP Internet network, VoIP call and incoming call processing and a short message service method are performed as follows.

8 is a flowchart illustrating a VoIP call signal processing procedure of a roaming service between a mobile communication network and a VoIP Internet network according to an embodiment of the present invention.

Referring to FIG. 8, an originating Internet phone 210, a VoIP Call Management System (CMS) 270, a trunk gateway 250, and a PGS (VoIP) in a VoIP Internet network 200 for VoIP call processing. PCX Gateway System (190) showing the operation sequence, in order to send a VoIP call from the Internet phone 210, first, destination number information (destNUM) and, in order to know the IP address of the called party to the VoIP CMS 270, The ARQ (Address Resolution Request) message including the user ID (U-ID) information is transmitted (S801), and the IP address information (destIPAddr) and the serial number (MIN) of the destination from the VoIP CMS 270 and the ACF (Address Confirm). Received by the message (S802).

At this time, the required address is to query the IP address of the destination to make a call connection through the IP Internet network 230.

The Internet phone 210 receiving the IP address of the destination for the call connection from the VoIP CMS 270 requests call setup to the trunk gateway 250 (S803), and the trunk gateway 250 of the mobile communication network 100 The IGS (Initial Address Message) message is transmitted to the PGS 190 to transmit a destination number and serial number information to request a call connection (S804), and the PGS 190 transmits the call to an internal or external network.

 In addition, the PGS 190 transmits an ACM (Address Confirm) message to the trunk gateway 250 to notify that the call has been routed (S805), and the trunk gateway 250 responds to the other party. Alerting is sent to allow the caller to hear a dial tone (S806).

As described above, when the call originates and waits for a response, when a response is received from the other party, the PGS 190 sends an ANM (Answer Message) message to the trunk gateway 250 to indicate that there is a response (S807), and the trunk gateway ( 250 informs the response to the Internet phone 210 (S808).

When the other party answers the call, the call setup is completed (S809), and the Internet phone 210 may make a call with the mobile terminal 110 of the mobile communication network 100.

In addition, the method for the Internet phone 210 to receive a call from the mobile terminal 110 of the mobile communication network 100 is as follows.

9 is a flowchart illustrating a VoIP incoming call processing procedure of a roaming service between a mobile communication network and a VoIP Internet network according to an embodiment of the present invention.

9, when the mobile terminal 110 sends a call to the Internet phone 210, the PCX 130 of the mobile communication network 100 transfers the location information of the called terminal to the HLR 160 for call connection. Inquiry (LOCREQ; Location Request) (S901).

The HLR 160 received the location information, checks that the called terminal for providing the location information is a terminal of the external network, and inquires again the location information of the called terminal with the IRGS 170 (ROUTREQ; Routing Request) (S902). In response to the response (routreq) (S903), and transmits the position information back to the PCX (130) (locreq) (S904). At this time, the response message includes TLDN (Temporary Local Directory Number) information to transmit VoIP PFX (Prefix) information and MIN information of the Internet terminal 110 as the called terminal. In this case, the IRGS 170 manages the terminal location information of the external network by playing a role of a VLR (Visitor Location Register) of the mobile communication network.

The PCX 130, which has received the location information as described above, checks the location of the Internet terminal 210, which is the called terminal, and transmits the VoIP PFX and MIN information received from the HLR 160 to the PGS 190 in step S904. Included in the IAM message and transmitted (S905), the PGS 190 transmits the IAM message for the call connection request to the trunk gateway 250 using the MIN (S906).

The trunk gateway 250 receiving the IAM message transmits the ARQ message including the MIN to the VoIP CMS 270 for the IP address inquiry (S908), and the Internet phone 210 having the received MIN at the VoIP CMS 270. IP address information of the server is included in the ACF message and transmitted to the trunk gateway 250 (S908).

The trunk gateway 250 receiving the IP address information requests the call setup to the Internet phone 210 using the corresponding address and the MIN (S909), and the Internet phone 210 picks up the receiver until the user answers. An alerting signal is transmitted to the trunk gateway 250 (S910).

The trunk gateway 250 receiving the alerting signal notifies the PGS 190 by sending an ACM message that it is waiting for a response from the called party (S911), and the PGS 190 notifies this to the PCX 130 again. Informs that it is waiting (S912). At this time, the PCX 130 sends a call connection waiting sound to the mobile terminal 110 which is the calling party according to the received ACM message.

In addition, when the user responds by picking up the handset while the Internet phone 210 emits an alerting signal, the response message is sent to the trunk gateway 250 (S913), and the trunk gateway 250 indicates that there is a response. Notify the PGS (190) (S914), PGS (190) is notified back to the PCM 130 as an ANM message (S915), and through the setup (S916) to make a call.

In addition, the roaming service between the mobile communication network 100 and the VoIP Internet network 200 according to an embodiment of the present invention may provide various additional services such as SMS (Short Message Service) service as well as call origination and reception.

10 is a flowchart illustrating a VoIP short message transmission processing procedure of a roaming service between a mobile communication network and a VoIP Internet network according to an embodiment of the present invention.

Referring to FIG. 10, in order to send an SMS from the Internet phone 210 to the mobile terminal 110, a message is first created, transmitted to the AP server 240, and received a response (S1001 and S1002).

The AP server 240 receiving the message from the Internet phone 210 makes the corresponding message as a VoIP SMS, transmits the message to the IRGS 170, receives a response (S1003, S1004), and the IRGS 170 transmits the corresponding VoIP SMS. In order to transmit to the SMC 180 of the mobile communication network 100 using SMSPP (SMS Delivery Point to Point) including the message content (smdpp) (S1105, S1106).

Upon receiving the SMDPP, the SMC 180 sends an SMSREQ (SMS Request) to inquire the position information of the called terminal to the HLR 160 to transmit the corresponding message (S1107), and receives the position information in response (smsreq). (S1108).

Then, using the location information, the SMC 180 transmits a message to the PCX 130 using SMDPP (S1109), receives a response (smdpp) (S1010), and the PCX 130 is a corresponding mobile terminal 110. Send SMS to.

In addition, a method of transmitting an SMS from the mobile terminal 110 to the Internet phone 210 is as follows.

11 is a flowchart illustrating a VoIP short message incoming processing procedure of a roaming service between a mobile communication network and a VoIP Internet network according to an embodiment of the present invention.

Referring to FIG. 11, the mobile terminal 110 composes an SMS message and transmits it to the PCX 130, and the PCX 130 transfers it to the SMC 180 as an SMDPP message and receives a response (smdpp) (S1101). , S1102).

Then, the SMC 180 inquires the location information of the called terminal by sending an SMSREQ message to the HLR 160 to transmit the corresponding SMS message (S1103), and the HLR 160 responds to the location information of the called terminal by the response message (smsreq). Informs the SMC 180 in step S1104.

Upon receiving the location information of the called terminal, the SMC 180 transmits an SMS message to be transmitted to the IRGS 170 by using an SMDPP message (S1105), and the IRGS 170 transmits the received SMS message as a VoIP SMS message to the AP server. In step S1106, when a response is received in step S1107, the message is transmitted to the SMC 180 (smdpp) (S1108).

The AP server 240 transmits the corresponding SMS message to the Internet phone 210 (S1109), and receives the OK message and ends the message transmission (S1110).

As described above, in connection between the mobile communication network and the VoIP Internet network, a single mobile terminal number is used to connect to the VoIP Internet network through a worldwide Internet network to use various additional services including basic call origination / outgoing call services. Can be.

As described above, the roaming system and the service method between the mobile communication network and the WiFi Internet network according to the present invention, the mobile telephone subscriber is connected to any Internet network around the world by using an Internet phone to call and send to his mobile phone number. Incoming basic call service and additional services including SMS can be provided and can be used simultaneously by connecting international roaming service and VoIP roaming service.

1 is a block diagram illustrating a roaming system structure between a mobile communication network and a VoIP Internet network according to an exemplary embodiment of the present invention.

2 is a flowchart illustrating a roaming service opening / registering procedure between a mobile communication network and a VoIP Internet network according to an exemplary embodiment of the present invention.

3 is a flowchart illustrating a roaming service cancellation / deletion procedure between a mobile communication network and a VoIP Internet network according to an embodiment of the present invention.

4 is a flowchart illustrating a log on procedure of a roaming service between a mobile communication network and a VoIP Internet network according to an exemplary embodiment of the present invention.

5 is a flowchart illustrating a log off procedure of a roaming service between a mobile communication network and a VoIP Internet network according to an exemplary embodiment of the present invention.

6 is a flowchart illustrating a VoIP call restriction processing procedure of a roaming service between a mobile communication network and a VoIP Internet network according to an embodiment of the present invention.

7 is a flowchart illustrating a VoIP location deletion process of a roaming service between a mobile communication network and a VoIP Internet network according to an embodiment of the present invention.

8 is a flowchart illustrating a VoIP call signal processing procedure of a roaming service between a mobile communication network and a VoIP Internet network according to an embodiment of the present invention.

9 is a flowchart illustrating a VoIP incoming call processing procedure of a roaming service between a mobile communication network and a VoIP Internet network according to an embodiment of the present invention.

10 is a flowchart illustrating a VoIP short message transmission processing procedure of a roaming service between a mobile communication network and a VoIP Internet network according to an embodiment of the present invention.

11 is a flowchart illustrating a VoIP short message incoming processing procedure of a roaming service between a mobile communication network and a VoIP Internet network according to an embodiment of the present invention.

<Brief description of the main parts of the drawings>

100: mobile communication network 110: mobile terminal

120: BSS 130: PCX

140: CCBS 150: STP

160: HLR 170: IRGS

180: SMC 190: PGS

200: VoIP Internet Network 210: Internet Phone

220: computer 230: IP Internet network

240: AP server 250: trunk gateway

260: VoIP customer server 270: VoIP CMS

Claims (9)

In a system for providing wired / wireless integrated supplementary services to subscribers through interworking between a mobile communication network and a VoIP Internet network, A home location register for storing subscriber information including location information of the mobile terminal and the wired / wireless integrated supplementary service profile information; A VoIP call management system storing subscriber information including an IP address of an Internet terminal; An application server that manages the location of the Internet terminal in association with the VoIP call management system and receives an additional service profile stored in the home location register when the location is registered using the Internet terminal; The wired / wireless integrated additional service profile information is transmitted to the application server when the location is registered using the Internet terminal in conjunction with the home location register, serves as an international roaming gateway of the mobile communication network, and serves as the international roaming gateway. An Internet Roaming Gateway System (IRGS), which sets an incoming priority for an international roaming service and a VoIP roaming service, and delivers the incoming priority information to the application server to provide a roaming service based on a set incoming priority; A PX (PCX Gateway System) serving as a gateway between the mobile communication network and the VoIP Internet network; And It is connected between the PGS of the mobile communication network and the application server of the VoIP Internet network and performs a traffic conversion function between the mobile communication network and the VoIP Internet network, and the wired / wireless integration is added to the subscriber's mobile terminal or the Internet terminal based on the incoming priority. Roaming system between a mobile communication network including a trunk gateway providing a service and a VoIP Internet network. The method of claim 1, A short message center for transmitting and receiving a short message in the mobile communication network; And And a subscriber information / billing system for managing subscriber information subscribed to the mobile communication network and the VoIP internet network and processing charging information in the mobile communication network. A mobile communication network including a PGS (PCX Gateway System) serving as a switch between an external network and an internal network, a trunk gateway connected to the PGS to perform data conversion for voice call connection, and a VoIP CMS managing subscriber information. In the call origination service providing method between the VoIP Internet network including an Internet terminal capable of receiving VoIP service through the Internet network, (a) transmitting, by the VoIP CMS, IP address information of the called mobile terminal to the Internet terminal so that the Internet terminal can make a call; (b) receiving, at the trunk gateway, a call setup request message including an IP address, number information, and serial number information of an incoming mobile terminal from the Internet terminal; (c) when the trunk gateway requests the mobile station confirmation request message using the number information and the serial number information of the mobile station to the PGS according to the call setup request transmitted from the internet terminal, and the corresponding mobile terminal is confirmed; Transmitting a beep to notify the internet terminal that a response is waiting and waiting for a response; And (d) if there is a response from the mobile terminal, notifying the internet terminal of the response at the trunk gateway and connecting a call through a call setup procedure; Call origination service method between the mobile communication network and the ＰｏＩＰ Internet network comprising a. The method of claim 3, wherein The Internet terminal of step (a), And a user ID, a password, priority information, and terminal information in a subscriber management server of the mobile communication network and the VoIP internet network. The method of claim 3, wherein In the step (a), The Internet terminal making a logon request to the VoIP Internet network; And Registering the terminal information and the location information of the corresponding internet terminal by transmitting an access request message of the corresponding internet terminal from the VoIP internet network to the mobile communication network; Call origination service method between a mobile communication network and a VoIP Internet network comprising a. PCX (Personal Communication Services eXchange), which serves as a switch for wireless and wired communication functions of a mobile terminal, a Home Location Register (HLR) for managing location information of a terminal connected from the mobile terminal and an external network, and the mobile communication network. And an Internet Roaming Gateway (IRGS) that performs signal protocol conversion and management of subscribers for VoIP roaming subscribers in the VoIP (Voice over IP) Internet network, and a PGS (PCX Gateway) serving as a switch between terminals of the mobile network external network. A mobile communication network including a system, a trunk gateway connected to the PGS to perform data conversion for voice call connection through a VoIP Internet service, a VoIP Call Management System (CMS) to manage VoIP Internet service subscriber information, Call receiving service room between VoIP internet network including internet terminal that can receive VoIP service through internet network In, (a) the PCX requesting location information of the called terminal from the mobile terminal according to a call origination request from the mobile terminal; (b) determining, by the HLR, that the called terminal is a terminal of an external network, requesting location information of the called terminal from the IRGS, and transmitting the received location information to the PCX; (c) using the location information of the called terminal received from the HLR in the PCX to transmit a corresponding call request message for call connection to the PGS, and transmit the call request message to the trunk gateway; Transmitting an IP address information request message of a called terminal to the VoIP CMS; (d) The VoIP CMS transmits IP address information of the called terminal to the trunk gateway, and the trunk gateway transmits a call setup request signal to the Internet phone, which is the called terminal, and receives a response wait signal through the PCX. Transmitting to the mobile terminal and waiting for a response; And (e) the trunk gateway receiving a response from the internet phone and transmitting a corresponding response message to the PCX through the PGS to connect a call between the mobile terminal and the internet terminal to make a call; Call reception service method between a mobile communication network and a VoIP Internet network comprising a. The method of claim 6, In the step (b), the location information of the called terminal provided by the IRGS is registered between the mobile communication network and the VoIP Internet network, wherein the location information is registered as the IRGS when the Internet phone logs in the VoIP Internet network. Call forwarding service method. PCX (Personal Communication Services eXchange), which serves as a switch for wireless and wired communication functions of a mobile terminal, a Home Location Register (HLR) for managing location information of a terminal connected from the mobile terminal and an external network, and the mobile communication network. And a mobile communication network including an Internet Roaming Gateway (IRGS) that performs signal protocol conversion and management of subscribers for VoIP roaming subscribers of the Voice over IP (VoIP) Internet network, and is connected to the IRGS to transmit and receive messages through the Internet network. In the short message transmission service method between the application server in charge and the VoIP Internet network including an Internet terminal capable of receiving VoIP service through the Internet network, (a) receiving a short message to be transmitted from the Internet terminal to the mobile terminal in the application server; (b) creating, by the application server, a message received from the Internet terminal as a VoIP short message and delivering the message to the IRGS, wherein the IRGS transmits the VoIP short message to the short message center; And (c) the short message center checks the called terminal of the VoIP short message, inquires the location information of the called terminal to the HLR, receives the location information, and transmits the corresponding VoIP message to the PCX to the called terminal. Steps to be sent Short message transmission service method between a mobile communication network and a VoIP Internet network comprising a. PCX (Personal Communication Services eXchange), which serves as a switch for wireless and wired communication functions of a mobile terminal, a Home Location Register (HLR) that manages location information of a terminal connected from the mobile terminal and an external network, and the mobile terminal. A short message service center for providing a short message service, and an Internet Roaming Gateway (IRGS) that performs signal protocol conversion and management of subscribers for VoIP roaming subscribers of the mobile communication network and the Voice over IP (VoIP) Internet network. In a short message incoming service method between a mobile communication network, an application server connected to the IRGS for transmitting and receiving messages through the Internet network, and an Internet terminal capable of receiving VoIP service through the Internet network, (a) receiving a short message from the mobile terminal received through the PCX at the short message center, and receiving location information by contacting the HLR with the location information of the called terminal for transmission of the short message; (b) transmitting the short message to the IRGS using the location information received from the HLR at the short message service center, and transmitting the short message to the application server at the IRGS; And (c) the application server creating the short message as a VoIP short message and transmitting it to the Internet phone; Short message incoming service method between the mobile communication network and the VoIP Internet network comprising a.