KR100596003B1 - Method for providing barge-in service and IP switch using the method - Google Patents

Abstract

The present invention relates to a method of providing an assignment service, and more particularly, to a method of providing an assignment service using a mixer included in the IP switch system under the control of the IP switch system.

In the switch system according to the present invention, a method for providing an installment service connects a call between a first telephone of a first subscriber and a second telephone of a second subscriber to allow a call between the first subscriber and the second subscriber. In a first step, a second step of receiving a call connection request message including an identification number of either the first phone or the second phone from the third phone of the third subscriber; Transmitting a media channel reset message including the media channel information to the first telephone and the second telephone, transmitting a call connection response message including the media channel information to the third telephone, and transmitting the first telephone through the mixer. And a fourth step of allowing a call between the second telephone and the third telephone.

According to the present invention, there is provided a payment service providing method and an IP exchanger system employing the method, which can provide a payment service to a subscriber by using an IP terminal (telephone) having only a minimum function without a mixer device. .

According to the present invention, the telephone can be provided with an installment service at an inexpensive IP terminal that does not have an additional device such as a mixer device, and the IP exchange system can centrally manage whether the offer service is provided. have.

IP switch system, installment service, mixer.

Description

A method for providing an installment service and an IP switch system employing the method {Method for providing barge-in service and IP switch using the method}

FIG. 1 is a flowchart illustrating a call processing process between telephones performing an assignment service using an IP switch system according to the prior art.

2A is a diagram illustrating a network connection of an IP exchange system according to an embodiment of the present invention.

2B is a block diagram showing an internal configuration of an IP exchange system according to an embodiment of the present invention.

3 is a flowchart illustrating a payment service providing method according to an embodiment of the present invention.

4 is a diagram illustrating an example of a subscriber information database according to one embodiment of the present invention.

5 is an internal block diagram of a general purpose computer device that may be employed to perform the method for registering call service rights in accordance with the present invention.

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

200: IP private exchange system

201: service authorization database 202: call service control unit

203: database management unit 204: call processing unit

205: interface unit 206: OAM

212: external user's telephone 232: subscriber's telephone

The present invention relates to a payment service providing method, and more particularly, to a method of providing a payment service using a mixer provided by the IP switch system under the control of the IP private exchange system.

FIG. 1 is a flowchart illustrating a call processing process between telephones performing an assignment service using an IP switch system according to the prior art.

In step 101, a call is established between the first telephone 111 and the second telephone 112 to make a voice call between the first subscriber and the second subscriber. FIG. 1 illustrates a case where audio data between the first telephone 111 and the second telephone 112 is transmitted and received in real time using RTP.

In step 102 a call connection request message is sent requesting an assignment from the third telephone 113 of the third subscriber to the second telephone 111. The call connection request message includes the telephone number of the second telephone 111, so that an IP exchange system (not shown) transmits the call connection request message identified using the telephone number to the second telephone 111. FIG. Can be relayed. As such, the IP switch system according to the related art does not perform a separate control operation to provide an assignment function.

In addition, in order for the third subscriber to be provided with the assignment function, the second telephone 112 must be equipped with a mixer, and then a three-way call is made through the mixer.

The second telephone 112 transmits the media channel information of the mixer for connecting to the mixer to the first telephone 111 and the third telephone 113 (steps 103 and 104). Accordingly, the first telephone 111 and the third telephone 113 can access the mixer using the media channel information, so that the first telephone 111, the second telephone 112, and the third telephone ( 113) is established. Meanwhile, the second telephone 112 may transmit the media channel information to the third telephone 113 only when it is determined that the third subscriber does not have the right to receive the installment service.

However, according to the related art, the second telephone 112 of the second subscriber who receives the allocation request performs each step of determining whether to provide an installment service to a predetermined subscriber and supporting the installment service. In addition, only when the second telephone 112 is provided with a mixer, the installment service can be provided to the third subscriber.

Therefore, the conventional payment service method has a problem that the telephone itself must have an additional device such as a mixer to support the payment function, and the telephone system controls the allocation function so that the exchange system can control the entire payment system. There was a problem that it is not possible to control whether or not to provide an installment service.

 SUMMARY OF THE INVENTION An object of the present invention is to provide a payment service providing method capable of providing a payment service to a subscriber by using an IP terminal (telephone) having only minimal functions that does not include a mixer device, and an IP exchange system employing the method. It is done.

In addition, an object of the present invention is to enable a telephone to be provided with a pay-as-you-go service at a low-cost IP terminal that does not have additional equipment as in the prior art.

In addition, the present invention is to provide a mixer device in the IP private exchange system to control the call processing between the telephones of each subscriber, so that the IP private exchanger system can centrally manage whether or not to provide the payment service It is an object of the present invention to provide a service providing method and an IP private exchange system employing the above method.

In order to achieve the above object and to solve the above-mentioned problems of the prior art, the method of providing an installment service in the exchange system according to the present invention provides a call between the first telephone of the first subscriber and the second telephone of the second subscriber. A first step of allowing a call between the first subscriber and the second subscriber, an identification number of any one of the first telephone or the second telephone from the third telephone of the third subscriber and an assignment service request code Receiving a call connection request message including a second step; transmitting a media channel reset message including media channel information for a predetermined mixer to the first phone and the second phone; and the third phone. Sends a call connection response message including the media channel information to the first telephone, the second telephone, and the third telephone through the mixer. A fourth step is to allow the call between.

Hereinafter, the terms used in the present specification will be summarized and the present invention will be described in detail with reference to the accompanying drawings.

* Glossary of Terms *

1) telephone

As used herein, the term "telephone" is used as a concept that includes all IP terminals that can communicate with an IP private exchange to support voice calls.

2) call service

As used herein, the term "call service" is provided in connection with a voice call between a caller and a receiver, or a basic service that enables voice and video calls, as well as a call holding service, a call transfer service, and an assignment service. It is used as a concept that includes all the services that are available.

3) installment service

As used herein, the term " assignment service " means that a subscriber authorized to receive an installment service is involved in the call that another user is talking on, between the subscriber, the user, and the user's call counterpart (s). A service that allows you to make a call.

4) IP Switch System

In the present specification, the "IP exchanger system" supports a session initiation protocol (SIP) such as IP Internet Protocol-Private Branch Exchange (IP PBX), IP-Centrex, soft switch, SIP proxy server or gateway (Gateway). Exchange system.

IP-PBX is an enterprise voice communication system that provides telephony service based on IP. The IP-PBX can be classified into 1) IP-Enable, 2) Converged, and 3) All-IP.

IP-Centrex is a group of subscribers' phone lines that can be managed in the same way as an internal PBX but does not require the purchase or maintenance of equipment such as a PBX.

The soft switch, referred to as a "call agent" or a "media gateway controller", refers to a software switch that provides call control and signaling to a Next Generation Network (NGN).

Hereinafter, a case in which the present invention is performed in the IP private exchange system (IP-PBX) of the IP exchange system will be described as an example, but the IP private exchange system is merely exemplary and the present invention is described in various IP exchange system as described above. Of course it can be done.

2A is a diagram illustrating a network connection of an IP private exchange system (IP PBX) according to an embodiment of the present invention.

If the external user 210 wants to talk to the subscriber 231, the external user 210 may have a representative to access the IP private exchange system 200 to which the telephone 232 of the subscriber 231 is connected. Enter the phone number to request the call setup to the exchange system 220. The exchange system 220 relays the call between the IP private exchange system 200 identified using the representative telephone number and the telephone 212 of the external user 211 in response to the call establishment request.

When the IP private exchange system 200 is equipped with an automatic response system (not shown), the automatic response system provides voice guidance for the external user 211 to select a subscriber to call. . When the external user 211 selects the subscriber 231 according to the voice guidance, the IP private exchange system 200 sets a call price between the telephone 232 of the subscriber 231 and the telephone 212 of the external user 211. By controlling so as to allow the subscriber 231 and the external user 211 to make a voice call.

In addition, the IP private exchange system 200 may provide an installment service in addition to the basic service that enables voice calls between the sender and the receiver. Hereinafter, a payment service providing method according to the present invention will be described with reference to FIGS. 2B and 3. 2B is a block diagram illustrating an internal configuration of the IP private switch system according to the present embodiment in more detail. FIG. 3 is a flowchart illustrating a method of providing an allocation service according to the present embodiment.

The IP private exchange system 200 includes a subscriber information database 201, a call processing unit 202, an interface unit 203, an assignment service control unit 204, a mixer device 205, and an OAM 206.

The call processing unit 202 is a module for controlling a call state between the subscriber's telephone 232 and the external user's telephone 221 when a call service request such as a voice call request between an internal subscriber or an external user is input. .

The interface unit 205 is a module for relaying the connection between the switch 120 and the internal telephone (232, etc.). Operations, Administration and Maintenance (OAM) 206 refers to a group of network management functions that indicate network faults or provide performance information and have diagnostic capabilities. Detailed operations of the subscriber information database 201, the payment service control unit 204, and the mixer device 205 will be described later with reference to FIG. 3.

In step 301 the IP private exchange system 200 maintains a subscriber information database 201. The subscriber information database 201 includes assignment service authority information for determining whether to provide an installment service to the subscriber for each subscriber, that is, whether the subscriber has an installment service authority. 4 is a diagram illustrating an example of a subscriber information database 201 according to an embodiment of the present invention.

4 (a) is associated with the service group and the subscriber, Figure 4 (b) shows a data structure associated with the call service identifier for each service group. The assignment service is one of call services, and accordingly, referring to FIG. 4, a call service provided to each subscriber can be identified. For example, since subscriber voice is associated with service group C, and service group C is associated with call transfer service and installment service among call services, IP private exchange system 200 is an installment service for receiving subscriber service from subscriber service. You can judge that you have authority.

However, the subscriber information database 201 having a data structure as shown in FIG. 4 is exemplary, and the scope of the present invention is all subscribers having a data structure generated to determine whether to provide an installment service for each subscriber. Crazy about the information database.

In step 302, the call processing unit 202 of the IP private exchange system 200 establishes a call between the first telephone of the first subscriber and the second telephone of the second subscriber so that the first subscriber and the second subscriber Allows you to talk to each other.

In step 303, the interface unit 203 of the IP private exchange system 200 may assign an identifier (e.g., a telephone number of the first telephone) and an assignment service for the first telephone from the third telephone of the third subscriber. Receive a call connection request message containing a code. The IP private exchange system 200 may know that the third subscriber is requesting an assignment service by using the assignment service code included in the call connection request message.

In step 304, the payment service control unit 204 of the IP private exchange system 200 determines whether to provide the payment service to the third subscriber.

According to an embodiment of the present invention, the payment service control unit 204 refers to the subscriber information database 201 to determine whether the third subscriber is authorized for the payment service. For example, in FIG. 4, when the third subscriber is Song Yun-a, the IP private exchange system 200 does not provide an installment service to the third subscriber, but does not use the installment service to the third subscriber. The same voice guidance can be provided. In this case, when the third subscriber performs a predetermined action such as hanging up the handset, the connection between the third telephone and the IP private switching system 200 is terminated.

In addition, for example, in FIG. 4, when the third subscriber is sensibility, the sensibility is associated with service group A, and service group A is associated with call transfer service, assignment service, and conference call service, respectively. Each process below step 305 is performed to provide an installment service to the third subscriber.

If the third subscriber is entitled to an assignment service, at step 305 the assignment service control unit 204 requests the mixer device 205 to assign a mixer, and the media from the mixer device 205 for a given mixer. Obtain channel information.

In step 306, the assignment service control unit 204 transmits the media channel information obtained as described above in step 306 to the first telephone through the interface unit 203, and in step 307 the media channel information. Is transmitted to the second telephone via the interface unit 203. In this case, the media channel information may be transmitted to the first telephone after the media channel information is transmitted to the second telephone.

In step 308, the assignment service control unit 204 transmits the media channel information to the third telephone through the interface unit 203.

Thus, as a result, the first telephone, the second telephone and the third telephone can all know the media channel information for the mixer, and the first to third telephones can use the media channel information. And call respectively set (step 309).

Accordingly, the first subscriber, the second subscriber, and the third subscriber can make a three-way call through the mixer.

Meanwhile, in the above-described embodiment, the case in which the identifier for the first telephone is input from the third telephone has been described, but the case in which the identifier for the second telephone is input from the third telephone is similar. It will be apparent to those skilled in the art that provisioning services are provided in a manner.

In addition, when a call connection request message including an identifier of the first telephone and an assignment service request code is received from the fourth telephone of the fourth subscriber, the assignment service control unit 204 has an assignment service right to the fourth subscriber. In this case, when the IP private exchange system 200 according to the present invention is used, such as a lion call by transmitting the media channel information to the fourth telephone, the number of channels as many as the number of allowed channels of the mixer provided by the mixer device can be obtained. You can provide a call.

In addition, embodiments of the present invention include computer-readable media containing program instructions for performing various computer-implemented operations. The program recorded on the computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. The media may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts.

5 is an internal block diagram of a general purpose computer device that may be employed to perform the installment service method according to the present invention.

Computer device 500 includes one or more processors 510 connected to a main memory device including random access memory (RAM) 520 and read only memory (ROM) 530. The processor 510 is also called a central processing unit (CPU). As is well known in the art, the ROM 530 serves to transfer data and instructions to the CPU unidirectionally, and the RAM 520 typically transfers data and instructions bidirectionally. Used to. RAM 520 and ROM 530 may include any suitable form of computer readable media. Mass storage 540 is bidirectionally coupled to processor 510 to provide additional data storage capability and may be any of the computer readable recording media described above. The mass storage device 540 is used to store programs, data, and the like, and is a secondary memory device such as a hard disk which is generally slower than the main memory device. Certain mass storage devices such as CD ROM 560 may be used. The processor 510 may include one or more input / output interfaces, such as video monitors, trackballs, mice, keyboards, microphones, touchscreen displays, card readers, magnetic or paper tape readers, voice or handwriting readers, joysticks, or other known computer input / output devices. 550 is connected. Finally, the processor 510 may be connected to a wired or wireless communication network through the network interface 570. Through this network connection, the procedure of the method described above can be performed. The apparatus and tools described above are well known to those skilled in the computer hardware and software arts.

The hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention.

While specific embodiments of the present invention have been described so far, various modifications are possible without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the claims below, but also by the equivalents of the claims.

As described above, the present invention has been described by way of limited embodiments and drawings, but the present invention is not limited to the above-described embodiments, which can be variously modified and modified by those skilled in the art to which the present invention pertains. Modifications are possible. Accordingly, the spirit of the present invention should be understood only by the claims set forth below, and all equivalent or equivalent modifications thereof will belong to the scope of the present invention.

According to the present invention, there is provided a payment service providing method and an IP exchanger system employing the method, which can provide a payment service to a subscriber by using an IP terminal (telephone) having only a minimum function without a mixer device. .

Further, according to the present invention, the telephone can be provided with an assignment service at a low-cost IP terminal that does not have an additional device as in the prior art. Therefore, subscribers who want to receive an installment service have an advantage of only having to purchase a low-cost IP terminal.

In addition, according to the present invention, by providing a mixer device in the IP private exchange system to control the call processing between the telephones of each subscriber, the IP private exchanger system to centrally manage whether or not to provide an installment service There is provided an assignment service providing method and an IP exchange system employing the above method. That is, according to the present invention, the IP exchange system determines whether to provide an installment service to a predetermined subscriber.

Claims (6)

A method of providing an installment service in an exchange system connected to one or more telephones, the method comprising: Maintaining a subscriber information database for recording payment service authority information for each subscriber; Connecting a call between a first telephone of a first subscriber and a second telephone of a second subscriber; Receiving a call connection request message including an identifier for either the first telephone or the second telephone from a third telephone of a third subscriber; Determining whether the third subscriber has an assignment service right by referring to the subscriber information database; If the third subscriber has an allotment service right, transmitting a media channel reset message including media channel information for a given mixer to the first telephone and the second telephone; And Sending a call connection response message including the media channel information to the third telephone, and connecting a call between the first telephone, the second telephone, and the third telephone via the mixer; Assignment service providing method, characterized in that for performing. The method of claim 1, The media channel information, Requesting a predetermined mixer device to assign a mixer; And Receiving media channel information for the mixer from the mixer device Assignment service providing method, characterized in that obtained by performing. delete The method of claim 1, The call connection request message further includes an assignment service request code. The payment service request code is an assignment service providing method, characterized in that the identifier for identifying the payment service in the call system. A computer-readable recording medium having recorded thereon a program for executing the method of any one of claims 1, 2 and 4. An IP exchange system connected to a plurality of telephones to provide one or more call services to subscribers of the telephones. A subscriber information database including assignment service authorization information associated with a subscriber for each subscriber; A call processing unit connecting a call between a first telephone of a first subscriber and a second telephone of a second subscriber to allow a call between the first subscriber and the second subscriber; An interface unit for receiving a call connection request message including an identifier for either the first telephone or the second telephone from a third telephone of a third subscriber; Referring to the subscriber information database, it is determined whether the third subscriber has an assignment service right, and when the determination result is that the third subscriber has an assignment service right, the predetermined subscriber device is controlled to control the media channel information for the given mixer. Obtain a message, control to transmit a media channel reset message including the media channel information to the first telephone and the second telephone through the interface unit, and include the media channel information to the third telephone through the interface unit. An assignment service control unit transmitting a call connection response message to allow a call between the first telephone, the second telephone, and the third telephone through the mixer; Exchanger system comprising a.

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