KR100764475B1 - Method and system for service premium telephony using mobile communication network for the same - Google Patents

Abstract

A method and a system for service premium telephony using mobile communication network for the same are provided to improve the reception response rate of a receiving side through SMS(Short Message Service) of reception mobile terminal and reduce the response time of receiving side using a traffic channel allocated in SMS transmission, thereby quickly performing communication service. A system for service premium telephony using mobile communication network for the same comprises the followings: a transmission switching system(103) for transmitting SMDPP(Short Message Delivery Point to Point) to SMSC(Short Message Service Center); a transmission home location register(104) for transmitting a response signal including TLDN(Temporary Local Directory Number) information to a reception switching system; a short message center(300) for SMDPP to an associated reception switching system; a reception home location register(204) for SMS addresses to the short message center; and a reception switching system(203) for connecting communication paths between transmission terminal and reception terminal.

Description

Method and system for premium call service using mobile communication network {Method and system for service premium telephony using mobile communication network for the same}

1 is a system network diagram showing a premium call service system using a mobile communication network according to an embodiment of the present invention;

2 is a flowchart illustrating a premium call service method using a mobile communication network according to an embodiment of the present invention;

3 is a flowchart illustrating a detailed operation of the tenth step (S10) of the premium call service method according to FIG.

4 is a flowchart illustrating a detailed operation of the thirtieth step S30 of the premium call service method according to FIG. 2;

FIG. 5 is a flowchart illustrating a detailed operation of step 40 of the premium call service method according to FIG. 2.

6 is a flowchart illustrating a detailed operation of the 50 th step S50 of the premium call service method according to FIG. 2;

7 is a flowchart illustrating a premium call processing between the systems shown to explain a premium call service method using a mobile communication network according to the present invention.

<Explanation of symbols for main parts of the drawings>

101: outgoing mobile terminal 102: wireless access network

103: outgoing exchange 104: outgoing home location register

201: Incoming mobile terminal 202: Wireless access network

203: incoming exchange 204: incoming home location register

300: Short Message Center (SMSC)

The present invention relates to a method and system for premium call service using a mobile communication network. More particularly, the present invention relates to a new call connection method for improving an incoming call response rate of a called party. If SMS is transmitted through the assigned traffic channel to the called mobile terminal and the called party's SMS connection response is provided, the call service can be immediately provided through the pre-allocated traffic channel. The present invention provides a premium calling service method and system using a mobile communication network.

Today, with the development of mobile telecommunications, the convenience of mobile phones and the falling prices of mobile phones, mobile phones have emerged as a necessity in daily life, and the number of subscribers has exploded.

In addition, mobile subscribers can be provided with various functions and services, such as online / offline games, e-mail, text service, stock management, schedule management, and financial settlement, beyond simple phone functions according to their preferences and terminal usage. Personal Digital Assistant (PDA), Cellular Phone, Personal Communication Service (PCS) Phone, Global System for Mobile (GSM) Phone, Wideband CDMA (W-CDMA) Phone, CDMA-2000 Phone, Mobile Broadband System (MBS) Phone Various terminals are purchased and used.

As such, various functions and services provided to various types of terminals contribute to the convenience of the user and the time management and the improvement of the quality of life. In particular, the short message service is one of very high-use services among various additional services provided by mobile communication because it can transmit its intention as a simple message without a direct call connection with the called party.

In addition, as the hardware technology of the mobile terminal is developed, as the video telephone service is enabled in the mobile communication network, various services for the video telephone that can be generalized in the future are also required.

Even with the provision of various additional services due to the development of the mobile communication technology and the development of the hardware technology of the mobile terminal, many mobile communication subscribers feel uncomfortable because the call cannot be made due to non-answering of the called party. In most cases, the called party is not aware that the call has been received, and a new call connection service is required to solve the inconvenience of the mobile subscribers.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, an object of the present invention is to send SMS through the traffic channel assigned to the destination mobile terminal during the premium call processing of the mobile terminal user subscribed to the outgoing call authorization service If the SMS connection response is provided while the traffic channel is queued, the incoming call rate is immediately connected through the pre-allocated traffic channel to improve the incoming call response rate, and the premium outgoing call authority is granted to the caller to improve the call connection service. To provide a premium call service method and system using a mobile communication network to be provided.

In order to achieve the above object, the present invention provides a premium call through a wireless access network from an originating mobile terminal and requests a confirmation of service authority for the premium call, and uses a pre-written SMS for the premium call in response. An originating exchange for transmitting SMDPP to the message center (SMSC); Request for the service right for the premium call is requested from the originating exchange and confirms the right according to the premium service subscription of the originating mobile terminal, and responds to the originating exchange, and receives a connection request signal from the destination exchange to the call to secure the TLDN. An originating home location register for transmitting a location request to the originating exchange to receive a response and transmitting a response signal including TLDN information to the destination exchange; A short message center for receiving a response by requesting verification of an SMS address of the called mobile terminal by using the called mobile terminal information included in the SMDPP received from the calling exchange, and transmitting the SMDPP to the called exchange; An incoming home location register requesting confirmation of an SMS address of an incoming mobile terminal from the short message center and responding to the short message center according to the SMS address; And receiving the SMDPP from the short message center, requesting resource allocation to the corresponding radio access network, and when a traffic channel is allocated between the radio access network and the terminating mobile terminal, the SMS is transmitted to the terminating mobile terminal through the assigned traffic channel. When the receiver connection response is provided from the called mobile terminal at the set response waiting time, the connection request signal is transmitted to the calling home location register for the TLDN secured call, and the answering signal is used to connect the calling exchange and ISUP relay call. A call exchanger for connecting a call path between the calling mobile terminal and the called mobile terminal waiting to be assigned to the call; It discloses a premium call service system using a mobile communication network configured to include.

In order to achieve the above object, the present invention provides an outgoing exchange used to provide a premium call service using a mobile communication network, and receives a premium call for premium voice or video call connection and checks a user service right for the premium call. When receiving the service authorization check, the SMS is sent to SMDPP in advance for the premium call, and when the call release request signal is provided, the call is released to the calling mobile terminal, and the TLDN request for call routing ( The present invention provides an outgoing exchange, which receives an RTR_REQ, transmits a response signal (loc_req-rr) including TLDN information about the request, and connects an incoming exchange to an ISDN User Protocol (ISP) relay call.

The present invention for achieving the above object is a destination exchange used to provide a premium call service using a mobile communication network, receiving SMDPP and using the SMDPP to request resource allocation to the corresponding wireless access network, The SMS of SMDPP is transmitted to the destination mobile terminal through the assigned traffic channel, and the call path is maintained without releasing the assigned traffic channel, and upon receiving the acknowledgment letter (sms received ACK) according to the SMS transmission, the received SMDPP is received. Transmits a response signal (smdpp) according to the present invention, and upon receiving an acknowledgment character (sms reception ACK), drives a reception standby timer and waits for a response from the called party for a response waiting time set to a predetermined value after the reception standby timer is driven. If there is no SMS voice connection response during the response waiting time, a call release request signal is generated and transmitted. When receiving the sexual connection response, the location request (LOC_REQ) is transmitted by using the calling number in SMDPP to secure the TLDN for the call connection, and the response signal (loc_req-rr) including the TLDN information for call routing is provided. The present invention discloses an incoming exchange, which connects an originating exchanger and an ISDN (ISDN User Protocol) relay call.

The present invention for achieving the above object, the tenth step of the originating exchange receiving the premium call from the originating mobile terminal confirms the service authority for the premium call;

A twenty step of the originating exchange transmitting a Short Message Delivery Point to Point (SMDPPP) to a Short Message Center (SMSC) using a pre-written SMS for an outgoing call authorization service;

A thirty-stage step of the short message center requesting the called home location register to confirm the called SMS address and transmitting SMDPP to the called exchange;

Step 40, wherein the terminating exchange transmits an SMS to a terminating mobile terminal through a traffic channel allocated between a radio access network and a terminating mobile terminal and waits without releasing the traffic channel;

A 50th step in which, when the SMS voice connection response is provided from the terminating mobile terminal at the set response waiting time, the terminating exchange transmits a connection request signal to a calling home location register for a call to secure a Temporary Local Directory Number (TLDN); And

The destination exchange connects an originating exchanger to an ISDN User Protocol (ISP) relay call using a response according to a call connection request, and allocates a call to the caller terminal through a traffic channel connection of a waiting destination terminal. And a sixty-stage step of connecting the call paths.

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

1 is a system network diagram showing a premium call service system using a mobile communication network according to a preferred embodiment of the present invention, Figure 7 is a premium between the system shown to explain the premium call service method using a mobile communication network according to the present invention Call processing flow chart.

For convenience of description, the mobile terminal is divided into an outgoing mobile terminal 101 and a terminating mobile terminal 201, and the components of the mobile communication network also include the calling party's components 102, 103, 104 and the called party's component 202. 203, 204).

Premium call service system using a mobile communication network according to a preferred embodiment of the present invention, as shown in Figure 1 or 7, outgoing / incoming mobile terminals (101, 201), wireless access network (102, 202), outgoing / incoming It is composed of exchangers (103, 203), originating / receiving home location registers (104, 204), and short message center (300).

In addition, the system of the present invention further includes a visitor location register (VLR) and an intelligent network controller (SCP) included in the mobile communication network, and in the case of the synchronous mobile communication network, a packet data service node (PDSN) and a data core network (DCN). The asynchronous mobile communication network may further include a Serving GPRS Support Node (SGSN), a General Packet Radio Service (GPRS) network, and a Gateway GPRS Support Node (GGSN). In addition, a preferred embodiment of the present invention as described above includes both synchronous (CDMA) and asynchronous (W-CDMA) communication network, GSM mobile communication network, TDMA mobile communication network, IMT-2000 mobile communication network, W -It should be understood as a broad concept including all mobile communication networks relaying call connection processing between mobile terminals such as CDMA mobile communication network, CDMA mobile communication network, and high speed mobile communication network.

The originating mobile terminal 101 is a user terminal subscribed to an outgoing call authorization service in order to receive a premium call service provided by a mobile communication service provider, and transmits a premium call.

In this case, the premium call is transmitted as a feature code, and in the present invention, the premium call may be divided into a feature code for premium voice call connection and a feature code for premium video call connection.

Here, the feature code of the premium call is composed of the following calling code strings. In the following example, the voice call connection and the feature code at the time of the video call connection are not particularly limited. This is because it must be understood as a change by the designer.

Example: Calling Code Column: ## 82 + Mobile Directory Number (MDN)

In addition, the calling mobile terminal 101 may be a PDA (Personal Digital Assistant), a cellular phone, a Trunked Radio System (Trunked Radio System) phone, a PCS (Personal Communication Service) phone, a GSM (Global System for Mobile) phone, W-CDMA (Wideband CDMA) phone, CDMA-2000 phone, Mobile Broadband System (MBS) phone can be used for voice calls or video calls, where MBS phone refers to a mobile phone to be used in the fourth generation system currently being discussed.

The originating exchange 103 is a system for performing basic and additional service processing in a mobile communication network, incoming and outgoing call processing of subscribers, location registration procedure and handoff procedure processing, interworking with other networks, and the like. When a premium call is provided through the wireless access network 102 from 101, the service request for the premium call is confirmed to the calling home location register 104.

Subsequently, in response to the originating home location register 104, a short message delivery point to point (SMDP) is transmitted to the short message center 300 by using a pre-written SMS for the premium call.

In this case, a wireless access network 102 is provided between the originating mobile terminal 101 and the originating exchange 103 to perform a matching function by wired or wireless connection. The wireless access network 102 is a synchronous mobile communication system (CDMA). In FIG. 1, a base station (BTS) and a control station (BSC) may be configured. In an asynchronous mobile communication system (W-CDMA), a base station transmitter (RTS) and a base station controller (RNC) may be configured.

The originating home location register 104 serves to provide the system of the communication network requesting the information while storing and managing the location and status information and the subscriber information of the mobile terminal, and services from the originating exchange 103 to the premium call. When the authority check request is received and the authority according to the premium service subscription of the originating mobile terminal 101 is confirmed, the originating exchange 103 responds to the originating exchange 103.

At this time, the originating home location register 104 is configured to further include a feature code (FC) table for confirming the service authority of the mobile terminal 101 subscribed to the outgoing call authorization service.

Subsequently, when the originating home location register 104 receives a connection request signal from the destination exchange 103 to the call, the originating home location register 104 transmits a location request for securing a Temporary Local Directory Number (TLDN) to the originating exchange 103 to receive a response. The exchange 203 transmits a response signal including the TLDN information.

The terminating mobile terminal 201 is a user terminal for voice call or video call connection with the calling mobile terminal 101. The mobile terminal 201 receives an SMS while a call path is allocated to the wireless access network 202 and establishes a DTMF ( Dual Tone Multi Frequency).

In this case, the incoming mobile terminal 201 may be a terminal subscribed to an outgoing call authorization service like the outgoing mobile terminal 101, and may not be a terminal subscribed to the outgoing call authorization service.

In addition, the incoming mobile terminal 201 is one of the same as the outgoing mobile terminal 101 such as a PDA, a cellular phone, a common frequency communication phone, a PCS phone, a GSM phone, a W-CDMA phone, a CDMA-2000 phone, and an MBS phone. It can be used for a voice call or a video call.

The destination exchange 203 performs the basic and additional service processing, the subscriber's incoming and outgoing call processing, the location registration procedure and the handoff procedure processing, the interworking function with the other network, etc., in the mobile communication network like the outgoing exchange 103 above. The system is configured to receive SMDPP from the short message center 300 and request resource allocation to the radio access network 202 so that a traffic channel is allocated between the radio access network 202 and the destination mobile terminal 201. The SMS is transmitted to the destination mobile terminal 201 through the assigned traffic channel.

In addition, when the called mobile terminal 201 receives the caller connection response from the incoming mobile terminal 201 to the DTMF at the set response waiting time, the connection request signal is transmitted to the calling home location register 104 by the call to secure the TLDN, and the response is received. By connecting the outgoing exchange 103 and the ISUP relay call serves to connect the call path between the originating mobile terminal 101 and the incoming mobile terminal 201 waiting to be assigned to the call.

In this case, a wireless access network 202 is also provided between the terminating mobile terminal 201 and the terminating exchange 203 and performs a matching function. The wireless access network 202 is the wireless access network 102 described above. The description is the same since the configuration is the same as that of.

The destination home location register 204 is a system for storing and managing the location and status information and subscriber information of the mobile terminal. If the SMS message confirmation of the destination mobile terminal 201 is requested from the short message center 300, the SMS address accordingly is received. Responds to the short message center (300).

Here, the incoming home location register 204 does not perform the process of checking and responding to the service right for the premium call, but a feature code (FC) table for checking the service right of the mobile terminal subscribed to the outgoing call right service. It includes, and performs the same procedures and functions as the calling home location register 104 when the location from the called party to the calling party is changed.

Short message center 300 is a system for providing a text message service to the mobile subscribers performs a message input, message management and message delivery functions, and the destination mobile terminal included in the SMDPP received from the source exchange 103 Requests the SMS address confirmation of the incoming mobile terminal 201 to the incoming home location register 204 using the information and receives a response, and transmits SMDPP to the corresponding destination exchange 203.

Next, a premium call service method using a mobile communication network according to a preferred embodiment of the present invention having the above configuration will be described with reference to the accompanying drawings.

2 is a flowchart illustrating a premium call service method using a mobile communication network according to a preferred embodiment of the present invention, and FIG. 7 is a diagram illustrating a system for premium call service using a mobile communication network according to the present invention. Premium call processing flow chart.

First, the originating exchange 103 is provided with a premium call from the originating mobile terminal 101, and confirms the service authority for the premium call (S10).

Referring to Figure 3 attached to the detailed operation of the confirmation process of the service authority for the premium call as follows.

The outgoing exchange 103 receives a premium call as a feature code from the outgoing mobile terminal 101 (S11), and sends a feature code confirmation signal (FEA_REQ) for confirming a service right for the premium call. It transmits to the home location register 104 (S12).

Subsequently, the originating exchange 103 receives a feature code response signal fea_req_rr for the feature code confirmation signal FEA_REQ from the originating home location register 104 (S13).

At this time, the originating home location register 104 checks the originating call authorization service through comparison with the feature code (FC) table that it configures, and identifies and responds to the service type.

At this time, the feature code for notifying premium call is a premium outgoing call right service code of a mobile subscriber for premium voice call connection service or a premium outgoing call right service code of a mobile subscriber for premium video call connection service. In the present invention, it is applied and used for voice call connection and video call connection service.

Next, the originating exchange 103 transmits a short message delivery point to point (SMDP) to the short message center 300 by using the SMS pre-written for the outgoing call authorization service (S20).

Subsequently, the short message center 300 requests the destination home location register 104 to confirm the recipient SMS address and transmits the SMDPP to the destination exchange 203 (S30).

A detailed operation of the confirmation of the called party's SMS address in the short message center 300 will be described with reference to FIG. 4.

First, the short message center 300 receiving the SMDPP from the originating exchange 103 transmits an address verification request signal SMS_REQ to the called home location register 204 to confirm the called SMS address (S31).

Then, the incoming home location register 204 confirms the SMS address of the called party registered in the self according to the address confirmation request signal, and the short message center 300 receives the address confirmation request signal from the incoming home location register 204. An address verification response signal sms_req including an SMS address for SMS_REQ is received (S32).

The short message center 300 receiving the address verification response signal sms_req checks the SMS address of the address verification response signal sms_req, and transmits the SMDPP to the destination exchange 203 (S33).

Next, the destination exchange 203 transmits an SMS to the destination mobile terminal 201 through a traffic channel allocated between the radio access network 202 and the destination mobile terminal 201 and waits without releasing the traffic channel (S40). ).

A detailed operation process for the allocation of the traffic channel of the incoming mobile terminal 201 and the maintenance of the channel assignment state is described below with reference to FIG. 5.

First, the destination exchange 203 requests resource allocation to the radio access network 202 of the called party by using the received SMDPP (S41).

Then, the radio access network 202 under the control of the destination exchanger 203 allocates a traffic channel to a radio section with the destination mobile terminal 201 to form a communication path, and waits without releasing the traffic channel (S42). .

Thereafter, the destination exchange 203 transmits an SMS to the destination mobile terminal 201 in which a call path is formed (S43), and receives an acknowledgment letter (sms received ACK) according to the SMS transmission from the destination mobile terminal 201. Receive (S44).

In this case, a character string to be displayed on the incoming mobile terminal 201 may be provided with a character such as "a voice connection request has been entered.

When an acknowledgment letter (sms reception ACK) is received according to the SMS transmission, a reception wait timer (not shown) is started thereafter to wait for a connection response of the called party, and the response waiting time after driving the reception waiting timer is predetermined. The response latency is preferably set to 15 to 20 seconds, but it should be understood that this can be changed by the designer.

During the response waiting time, the allocated traffic channel between the called mobile terminal 201 and the wireless access network 202 should be maintained without being released, and the call path is waited for a predetermined time.

In addition, the incoming exchange 203 receives an acknowledgment character and transmits a response signal smmdpp according to SMDPP to the short message center 300 (S45).

Next, when the SMS voice connection response is provided from the terminating mobile terminal 201 at the set response waiting time, the terminating exchange 203 transmits a connection request signal to the calling home location register (TLDN) to secure a Temporary Local Directory Number (TLDN). 104, and receives the response (S50). In this case, the SMS voice connection response is made through a process in which a called party using the called mobile terminal 201 selects dual tone multi-frequency (DTMF).

A detailed operation of securing the TLDN according to the call connection request signal will be described with reference to FIG. 6.

First, as shown in FIG. 6, when the incoming exchange 203 receives an SMS voice connection response from the incoming mobile terminal 201 to the DTMF (S51), the called exchange 203 receives a TLDN ( In order to secure a Temporary Local Directory Number, a location request (LOC_REQ) is transmitted to the calling home location register 104 using the calling number in SMDPP (S52).

At this time, the originating home location register 104 transmits a Temporary Local Directory Number (TLDN) request (RTR_REQ) for call routing for the location request (LOC_REQ) to the originating exchange 103 (S53), and the originating exchange ( 103 transmits the response signal (rtr_req_rr) including the TLDN information according to the TLDN request (RTR_REQ) to the originating home location register (104) (S54).

Thereafter, the originating home location register 104 transmits a response signal loc_req_rr including the TLDN information for the location request LOC_REQ to the destination exchange 203 (S55).

Then, the incoming exchange 203 first connects the outgoing exchange 103 and the ISUP (ISDN User Protocol) relay call using a response according to the call connection request, and assigns the call to the waiting mobile terminal 201. Through the connection of the traffic channel connects the call path between the calling / incoming mobile terminals (101, 201) (S60).

Accordingly, the users who use the caller / incoming mobile terminal 101 or 201 proceed with the voice call or the video call according to the service type of the premium call requested by the caller.

In this case, it should be understood that the video call is based on the premise that the call originating / receiving mobile terminal 101 or 201 is a terminal having a video call function, which is applicable to both a synchronous mobile communication system and an asynchronous mobile communication system. It is possible.

On the other hand, after the 40th step (S40), if the SMS voice connection response is not provided from the incoming mobile terminal 201 at the set response waiting time, the destination exchange 203 is sent to the SMS sent to the destination mobile terminal 201 After confirming the non-answer of the called party, the call release request signal is transmitted to the originating exchange 103 to release the call to the assigned call path between the originating mobile terminal 101 and the originating exchange 103 (S70).

As described above, the present invention provides a premium call connection service between calling / calling terminals in a state in which the allocated traffic channel is not released while waiting for SMS transmission to the called mobile terminal. It also applies to the connection service, providing the convenience of call connection to the customer.

Although the present invention has been described in more detail with reference to the examples, the present invention is not necessarily limited to these embodiments, and various modifications can be made without departing from the spirit of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted by the following claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

As described above, according to the premium call service method and system using the mobile communication network according to the present invention, the incoming response rate of the called party is improved by sending SMS to the called mobile terminal, and without releasing the traffic channel allocated during SMS transmission. By shortening the response time of the called party can be used to provide a quick call service.

In addition, the present invention provides an enhanced call connection service by providing differentiated outgoing call rights to the subscribers subscribed to the outgoing call right service with the premium call service of the new call connection method, thereby increasing the service awareness of the mobile communication service provider. The height is effective.

Claims (12)

The outgoing exchange receives premium calls from the outgoing mobile terminal through the wireless access network, requests confirmation of service rights for the premium calls, and sends SMDPP to the Short Message Center (SMSC) using the pre-written SMS for the premium call. ; Request for the service right for the premium call is requested from the originating exchange and confirms the right according to the premium service subscription of the originating mobile terminal, and responds to the originating exchange. When receiving a connection request signal from the destination exchange to the call, An originating home location register for transmitting a location request to the originating exchange to receive a response and transmitting a response signal including TLDN information to the destination exchange; A short message center for receiving a response by requesting verification of an SMS address of the called mobile terminal by using the called mobile terminal information included in the SMDPP received from the calling exchange, and transmitting the SMDPP to the called exchange; An incoming home location register requesting confirmation of an SMS address of an incoming mobile terminal from the short message center and responding to the short message center according to the SMS address; And Receives SMDPP from the short message center and requests resource allocation to the corresponding radio access network. When a traffic channel is allocated between the radio access network and the terminating mobile terminal, the SMS is transmitted to the terminating mobile terminal through the assigned traffic channel. When the receiver connection response is provided from the incoming mobile terminal in response waiting time, the connection request signal is transmitted to the calling home location register for the TLDN secure call, and the response is received by connecting the calling exchanger and the ISUP relay call using the response signal. A call exchanger for connecting a call path between the mobile terminal and the called mobile terminal waiting to be assigned to the call path; Premium call service system using a mobile communication network configured to include. The method of claim 1, The premium call is a premium call service system using a mobile communication network, characterized in that consisting of a feature code (Feature Code) for premium voice or video call connection. The method of claim 2, The originating mobile terminal is a terminal subscribed to an outgoing call right service for premium voice or video call, and the originating home location register is a feature code (FC) for confirming the service right of the mobile terminal subscribed to the outgoing call right service. Premium call service system using a mobile communication network comprising a table. It is an outgoing exchange used to provide premium calling service using mobile communication network. Receive a premium call for a premium voice or video call connection and request verification of user service rights for the premium call; Upon receipt of a service entitlement confirmation, a pre-written SMS for that premium call is sent to SMDPP. When the call release request signal is provided, the call assigned to the calling mobile terminal is released. Receiving a TLDN request (RTR_REQ) for call routing and transmitting a response signal (loc_req-rr) including TLDN information for the request, Between the destination exchange and the ISUP (ISDN User Protocol) An originating exchange, characterized in that. As an incoming exchange used to provide premium calling service using a mobile communication network, Receive SMDPP and request resource allocation to corresponding wireless access network using SMDPP, Send SMS of SMDPP to the destination mobile terminal through the traffic channel assigned traffic channel and maintain the traffic channel assigned traffic channel without releasing, When receiving an acknowledgment letter (sms reception ACK) according to the SMS transmission transmits a response signal (smdpp) according to the provided SMDPP, When receiving the acknowledgment (sms reception ACK), the reception wait timer is driven and waits for the response of the called party for the response waiting time set to a predetermined value after the reception waiting timer is driven. If there is no SMS voice connection response during the set response waiting time, a call release request signal is generated and transmitted. When the SMS voice connection response is provided at the set response waiting time, the location request (LOC_REQ) is transmitted by using the calling number in the SMDPP to secure the TLDN for the call. A response signal (loc_req-rr) including TLDN information for call routing is provided. Connects an originating exchange with an ISDN User Protocol (ISP) relay A call exchanger, characterized in that. A tenth step in which the outgoing exchange receiving the premium call from the outgoing mobile terminal verifies the service right for the premium call; A twenty step of the originating exchange transmitting a Short Message Delivery Point to Point (SMDPPP) to a Short Message Center (SMSC) using a pre-written SMS for an outgoing call authorization service; A thirty-stage step of the short message center requesting the called home location register to confirm the called SMS address and transmitting SMDPP to the called exchange; Step 40, wherein the terminating exchange transmits an SMS to a terminating mobile terminal through a traffic channel allocated between a radio access network and a terminating mobile terminal and waits without releasing the traffic channel; A 50th step in which, when the SMS voice connection response is provided from the terminating mobile terminal at the set response waiting time, the terminating exchange transmits a connection request signal to a calling home location register for a call to secure a Temporary Local Directory Number (TLDN); And The destination exchange connects an originating exchanger to an ISDN User Protocol (ISP) relay call using a response according to a call connection request, and allocates a call to the caller terminal through a traffic channel connection of a waiting destination terminal. A sixty step of connecting a communication path; Premium call service method using a mobile communication network configured to include. The method of claim 6, After the 40 th step, if the SMS voice connection response is not provided from the terminating mobile terminal at the set response waiting time, the terminating exchange checks the non-responder of the SMS transmitted to the terminating mobile terminal and sends a call release request signal to the originating exchange. And a seventy step of transmitting and releasing a call to the assigned call between the originating mobile terminal and the originating exchange. The method of claim 7, wherein The tenth step may include: an eleventh step of receiving, by the originating exchange, a premium call from a originating mobile terminal as a feature code; A twelfth step of the originating exchange transmitting a feature code confirmation signal (FEA_REQ) to the originating home location register for confirming the service right for the premium call; And And a thirteenth step of receiving, by the originating exchange, a feature code response signal (fea_req_rr) for a feature code confirmation signal (FEA_REQ) from the originating home location register. The method of claim 7, wherein The thirty-third step may include: a thirty-first step of transmitting, by the short message center, an address verification request signal (SMS_REQ) for verifying a recipient SMS address to a called home location register; Step 32, wherein the short message center receives an address verification response signal sms_req including an SMS address for the address verification request signal SMS_REQ from the incoming home location register; And The short message center checks the SMS address of the address confirmation response signal (sms_req) received from the destination home location register, and transmits the SMDPP to the destination exchange; using a mobile communication network, comprising: Premium call service method. The method of claim 7, wherein The forty-seventh step may include: a forty-first step of requesting resource allocation to a wireless access network of a called party using the SMDPP received by the called exchange; Step 42, by the wireless access network under the control of the terminating exchange, allocating a traffic channel to a wireless section with the terminating mobile terminal to form a communication path and waiting without releasing the traffic channel; A 43rd step of sending, by the destination exchange, an SMS to the destination mobile terminal having a communication path; A 44th step in which the terminating exchange receives an acknowledgment letter (sms reception ACK) according to SMS transmission from a terminating mobile terminal; And And a forty-fifth step of transmitting the response signal (smdpp) according to SMDPP to the short message center after receiving the acknowledgment letter by the destination exchange. The method of claim 7, wherein The fifty-stage step may include the fifty-seventh step of the terminating exchange receiving an SMS voice connection response from the terminating mobile terminal; A 52nd step, wherein the called exchange sends a location request (LOC_REQ) to the calling home location register by using a calling number in SMDPP to secure a Temporary Local Directory Number (TLDN) for connecting to a call; Step 53, the originating home location register sends a Temporary Local Directory Number (TLDN) request (RTR_REQ) for call routing to a location request (LOC_REQ) to an originating exchange; Step 54, the originating exchange transmitting a response signal (rtr_req_rr) including TLDN information according to a TLDN request (RTR_REQ) to an originating home location register; And And a step 55 of transmitting, by the calling home location register, a response signal (loc_req_rr) including TLDN information about a location request (LOC_REQ) to the destination exchange. . The method according to any one of claims 6 to 11, When the terminating exchange receives an acknowledgment letter (sms reception ACK) from the terminating mobile terminal, a process of driving a reception waiting timer and a response waiting time after driving the reception waiting timer are set to a predetermined value to respond to the called party. Premium call service method using a mobile communication network comprising the step of waiting for the.

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