KR20090037614A - System and method for connecting the in-plant wired network and mobile communication network in order to provide in-plant wireless and wired integrated service - Google Patents

Abstract

A system and a method for connecting an in-plant wired network with a mobile communication network in order to provide an in-plant wireless and wired integrated service are provided to reduce the cost for connecting an in-plant wired network to a mobile communication network by using a service control device which is an infra of a communication network without using an additional exchange device and a private base station device. A system for connecting an in-plant wired network to a communication network includes an interworking gateway(170), a private exchange(180), a mobile communication switching center(130), a service control device(160) and an HRL(Home Location Register)(140). The mobile communication switching center transmits an in-plant call to a mobile communication terminal or the interworking gateway through the interworking with the service control device. If the mobile communication terminal is placed in a service region, the service control device makes the mobile communication terminal originate or answer the in-plant call through the interworking with the mobile communication switching center.

Description

System and Method for Connecting the In-plant Wired Network and Mobile Communication Network in Order to Provide In-plant Wireless and Wired Integrated Service}

The present invention relates to a system and method for connecting a wired network with a mobile communication network in order to provide an integrated wired / wireless service. More specifically, the present invention relates to a system and method for providing wired / wireless integrated services in a premises by connecting a private exchange of a wired network with a mobile communication exchange of a mobile communication network using a service control point.

On-premises wired network services allow private exchanges, such as Private Automatic Branch eXchange (PABX) and Digital Private Branch eXchange (PBX), to connect with public telephone networks so that private and public calls can be made in the corporate or school premises. This service is mainly used by organizations with high volume of money in the premises such as companies and schools.

On the other hand, by additionally building a separate switching equipment and private base station equipment in the wired network in the premises can connect to the private exchange can provide wired and wireless integrated services in the premises. Here, the wired / wireless integrated service in the premises is a service that combines the wired network service with the wired network service in the premises wireless network service that allows you to use both regular calls and premises calls at the same time as a mobile communication terminal. When located in the premises of schools, factories, buildings, etc., the mobile communication terminal can be used as an intercom in the campus wired network. That is, in-house calls that occur between mobile communication terminals located in the premises and other mobile communication terminals located in the premises or intercommunication mobile phones and premises intercoms are free, and call charges are charged for general calls through the mobile communication network.

In order to provide such wired / wireless integrated services to mobile communication subscribers, it is necessary to connect separate switching equipment and private base station equipment to the private exchange as described above, and thus excessive costs for constructing separate switching equipment and private base station equipment. There is a problem that this takes.

In order to solve the above problems, the present invention provides a system and method for providing a wired / wireless integrated service by connecting a private exchange of a wired network and a mobile communication exchange of a mobile communication network using a service control point. Its purpose is to.

In order to achieve the above object, the present invention, in the system for connecting the wired network and mobile communication network in the premises, a call between the mobile communication terminal located in the service zone (Zone) that provides the wired and wireless integrated service in the premises and the premises call (Call) A system for connecting between an on-premises wired network and a mobile communication network to connect a network, the system comprising: an interworking gateway for performing protocol conversion between the mobile communication network and the on-premises wired network; A private exchange transmitting the internal call to the interworking gateway or receiving the internal call from the interlocking gateway; Receive the premise call from the interlocking gateway and transmit it to the mobile communication terminal through interworking with the service control device, or receive the premise call from the mobile communication terminal and interwork with the service control device. A mobile communication switching center transmitting to the gateway; Stores wired / wireless integrated service subscription information of wired / wireless integrated service subscribers of the premises and checks whether the mobile communication terminal is located in the service area, and if the mobile communication terminal is located in the service area, The service control device for receiving or originating the internal call; And determining whether the call originated from the mobile communication terminal is the premises call call in association with the mobile communication exchange station, and if the call originating from the mobile communication terminal is the premises call call, the mobile communication exchange station interworks with the service control device. It provides a system for connecting the premises wired network and mobile communication network comprising a home location register to enable.

In addition, according to another object of the present invention, when the premises telephone call located in the service area of the premises wired and wireless integrated service to the mobile communication terminal subscribed to the premises wired and wireless integrated service, a method of connecting the wired network and the mobile network A method comprising: (a) transmitting, at a private exchange, a wireless called number for an internal call to an interworking gateway; (b) transmitting, at the interworking gateway, a wireless called number for the local call, a routing number for a service control device, and a service area number of the service area to a mobile communication switching center; (c) transmitting, at the mobile communication switching center, a service key indicating the wired / wireless integrated service, a routing number for the service control device, and the service area number to a service control device; performing a procedure of locating a location of a mobile communication terminal corresponding to the called party's telephone number or the virtual extension number; (e) if the mobile communication terminal is located in a service area, transmitting an outgoing service characteristic indicator and an identification number of the mobile communication terminal to the mobile communication switching center; (f) performing a routing information transmission procedure including the originating service indicator at the mobile communication switching center; and (g) in step (b), if the mobile communication terminal is not located in the service area, an announcement broadcast is performed in the premises. It provides a method for connecting the wired network and the mobile communication network in the premises to provide wired and wireless integrated services in the premises comprising the step of performing a procedure for transmitting to the telephone.

In addition, according to another object of the present invention, in the case of subscribing to the wired / wireless integrated service in the premises, and the mobile communication terminal located in the service area of the wired / wireless integrated service in the premises to call the internal call to the premises telephone located in the service area, A method of connecting a wired network and a mobile communication network, the method comprising: (a) transmitting, at a mobile communication terminal, a wired called number for an internal call to a mobile communication switching center; (b) requesting an on-premises wired / wireless integrated service intelligent network access code (INAC), which is an access code of the on-premises wired / wireless integrated service, to the home location register from the mobile telecommunication switching center, and receiving the on-premises wired / wireless integrated service INAC from the home location register; step; (c) receiving, at the mobile communication exchange station, a service key indicating the wired / wireless integrated service in the premises, the landline telephone number for the premises call, location information, and an originating service characteristic indicator to a service control device; (d) confirming that the mobile communication terminal is subscribed to the on-premises wired / wireless integrated service through the service key and the on-premises wired / wireless integrated service INAC at the service control device, and confirming the location information so that the mobile communication terminal provides a service area. Confirming that the call is from; (e) transmitting, at the service control device, the routing number for the private exchange in the service area, the called number for the premises call, and the originating service characteristic indicator to the mobile communication switching center; And (f) transmitting the routing number for the private exchange and the called number for the internal call to the interworking gateway at the mobile communication switching center. Provides a way to connect.

As described above, according to the present invention, since the service control device, which is an infrastructure of the mobile communication network, is used to connect the wired network and the mobile communication network without using separate switching equipment and private base station equipment, There is less cost to connect.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different 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 block diagram schematically showing the configuration of a system for providing wired / wireless integrated services according to a preferred embodiment of the present invention.

In the wired / wireless integrated service of the present invention, the mobile telephone network is connected to the mobile wired network using the service control device 160 to transmit the internal call from the premises telephone 190 to the mobile communication terminal 110 or the mobile communication terminal 110. Transmits the call to the premises telephone 190.

A system according to a preferred embodiment of the present invention includes a mobile communication terminal 110, a base station 120, a mobile communication switching station 130, a home location register (HLR) 140, a signal communication network 150, a service. The control device 160, the interlocking gateway 170, the private exchange 180, and the local telephone 190 are included. Here, since the description of the base station 120 is a known technique, a detailed description thereof will be omitted.

The mobile communication terminal 110 is a terminal for performing a voice call through a mobile communication network including a base station 120, a mobile communication switching center 130, and a home location register 140, and according to the present invention, the mobile communication terminal 110. Is subscribed to the premises wired / wireless integrated service, and is located in the service zone (Zone) that provides premises wired / wireless integrated services, that is, in the premises of a company or school using wired / wireless integrated services, the wired / wireless wireless network according to the preferred embodiment of the present invention. Incoming or outgoing calls to the premises using the integrated service.

The mobile communication switching center 130 has a control function for efficiently operating the base station 120 and a connection function with a switch of a public telephone network (not shown). When the mobile communication switching station 130 registers the location of the mobile communication terminal 110 through the base station 120, a visitor location register (VLR) (not shown) in the mobile communication switching station 130 is shown. After temporarily storing the subscriber information of the mobile communication terminal 110, and requests the location registration of the mobile communication terminal 110 to the home location register 140.

In the present invention, the mobile communication switching center 130 manages an area including a service area of the wired / wireless integrated service in the premises.

The mobile communication switching center 130 provides a wired / wireless integrated service to a service subscriber according to a preferred embodiment of the present invention, that is, a service control device by receiving a premise call originated from an internal telephone 190 located in a service area within a management area. Interworking gateway 170 through the interworking with the service control device to receive the call from the mobile communication terminal 110 from the mobile communication terminal 110 through the interworking with the 160 or the mobile communication terminal 110 located in the service area. By transmitting the premise call to the on-premises telephone 190 to receive the premise call. Detailed description thereof is as follows.

In the present invention, when the mobile telephone terminal 110 receives the internal call from the premises telephone 190, the mobile communication station 130 is the recipient telephone number including the identifier and the characteristic code and of the virtual extension number including the identifier. The interworking gateway 170 transmits a first initial address message (IAM) including one of a wireless terminating number for an internal call, a routing number (RN) for a service control device, and a service area number (Zone Number). And the at least one of the identifier and the characteristic code included in the first initial address message are recognized to recognize that the internal telephone 190 has transmitted the internal telephone call to the mobile communication terminal 110. Here, the called party's telephone number is any one of a Mobile Directory Number (MDN) and a Mobile Station ISDN (MSISDN), and an identifier is a special character for identifying that the number entered after the identifier is an attribute code or virtual extension number or extension number. (Either one of # and *) or a number, and the characteristic code is an identification code for indicating the intention to use the wired / wireless integrated service, and may be defined in various ways such as 99 or 88. In addition, the virtual extension number is an extension number assigned to the mobile communication terminal 110 using the wired / wireless integrated service in the premises, and is defined as a number that can designate the called party by a combination of relatively small numbers instead of the actual mobile phone number. 123 'or' 1234 'may be defined in various ways.

The mobile communication switching center 130 manages the routing number for the service control device included in the first initial address message by N-CSI (CAMEL Subscription Info), and sets the service key to indicate the wired / wireless integrated service in the premises. .

The mobile communication switching center 130 transmits a service call request message (Initial DP) to a wireless call number for a premise call, a service key, a routing number for a service control device, and a service area number to transmit a premise call to the mobile communication terminal 110. ) To be transmitted to the service control device 160. From the following description, for convenience of explanation, a service processing request message including a wireless terminating number for an internal call, a service key, a routing number for a service control device, and a service area code is referred to as a 'first service processing request message'.

Thereafter, the mobile communication switching center 130 receives a first connection message, which is a connection message including an originating service feature indicator (OSFI) and an identification number of the mobile communication terminal 110, from the service control device 160. Or a second connection message, which is a connection message including an incoming extension number including an identifier, an outgoing service characteristic indicator, and a routing number for the private exchange. Here, the identification number of the mobile communication terminal 110 is any one of a Mobile Identification Number (MIN), an International Mobile Subscriber Identity (IMSI), a Personal Digital Cellular (PDC), and a mobile subscriber number (MSN). When the communication terminal 110 is not located in the service area, it is the extension number of the premises telephone, that is, the incoming premises telephone, which replaces the mobile communication terminal 110 and receives the premises call. Here, the extension number may be defined in various ways such as '123' or '1234'.

When the mobile communication switching station 130 receives the first access message, the mobile communication terminal 110 is located in a service area, and the mobile communication switching station 130 transmits routing information including an outgoing service characteristic indicator (SRI). Routing Info) procedure, and when the mobile communication switching center receives the second access message, the mobile communication terminal 110 is not located in the service area, and the mobile communication switching station 130 is assigned to the routing number for the private switching center. Attempt to connect the internal call to the corresponding interworking gateway 170, that is, the destination extension including the identifier and the routing number for the private exchange are included in the initial address message and transmitted to the interworking gateway 170. From the following description, for convenience of explanation, the initial address message including the called extension number including the identifier and the routing number for the private exchange is referred to as a 'second initial address message'.

Here, the outgoing service characteristic indicator is an indicator indicating a registration state of a specific service subscribed to by a mobile communication subscriber among a plurality of additional services provided by a mobile communication system utilizing an intelligent network including a signal communication network 150 and a service control device 160. In the present invention, the incoming call to the mobile communication terminal 110 or the outgoing call originating from the mobile communication terminal 110 represents the internal call.

The mobile communication switching center 130 may charge the outgoing service characteristic indicator by applying a free or predetermined discount rate to the on-premises call received at the mobile communication terminal 110 or the on-premises call originating from the mobile communication terminal 110. have.

On the other hand, in the present invention, when the mobile communication terminal 110 located in the service area makes an internal call to the premises telephone 190, the mobile communication switching station 130 receives the wired called number for the premises call including the identifier and the extension number. Received from the mobile communication terminal 110, by recognizing the identifier recognizes that the mobile communication terminal 110 has made the internal call to the mobile communication terminal (110).

The mobile communication switching center 130 requests a service key, a landline telephone number for the on-premises call, and a mobile communication terminal to request the home location register 140 to access an on-premises wired / wireless integrated service controlled by the service control device 160. The location information of 110 and the originating service characteristic indicator are included in the service processing request message and transmitted to the home location register 140. In the following description, for convenience of explanation, the service processing request message including the service key, the landline telephone number for the internal call, the location information of the mobile communication terminal 110, and the originating service characteristic indicator is referred to as a 'second service processing request message'.

Subsequently, the mobile communication switching center 130 receives the wired / wireless integrated number for the internal call from the home location register 140 and the wired / wireless integrated service intelligent network access code (INAC), which is an access code of the wired / wireless integrated service. After receiving the 3rd access message, which is the access message, including the connection message, the INW detects the wired / wireless integrated service INAC, and then services the service key, the landline telephone number for the call, location information, the wired / wireless integrated service INAC, and the originating service characteristic indicator. It is included in the processing request message and transmitted to the service control device 160. In other words, the mobile communication switching center 130 receives the access code of the wired / wireless integrated service from the home location register 140 and requests the service control device 160 to access the wired / wireless integrated service.

Here, the wired / wireless integrated service INAC is a code for allowing the mobile communication switching station 130 to access the wired / wireless integrated service from among a plurality of additional services controlled by an intelligent network including the signal communication network 150 and the service control device 160. to be.

In the following description, for convenience of explanation, a service processing request message including a service key, a landline telephone number for a local call, location information, an integrated wired / wireless integrated service INAC, and an originating service characteristic indicator is referred to as a 'third service processing request message'.

When the mobile communication switching station 130 receives the fourth access message, which is an access message including the routing number for the private exchange, the landline telephone number for the internal call, and the originating service characteristic indicator, from the service control device 160, the internal communication call is transmitted to the premises wired network. Attempts to connect to provide the wired and wireless integrated service to the mobile communication terminal (110).

In other words, the mobile switching center 130 attempts to connect the premises call to the interworking gateway 170 corresponding to the routing number for the private exchange, that is, the wired called number for the premises call and the routing number for the private exchange are included in the initial address message. To the interworking gateway 170. From the following description, for convenience of explanation, the initial address message including the wired called number for the premises call and the routing number for the private exchange is referred to as a 'third initial address message'.

As such, in the present invention, the mobile communication switching station 130 receives one of the first access message, the second access message, and the fourth access message from the service control device 160, thereby providing the wired / wireless integrated service to the service subscriber. That is, a procedure for transmitting the premises call originated from the premises phone 190 to the mobile communication terminal 110 or the called premises phone (not shown), or to perform the premises call call originated from the mobile communication terminal 110 The procedure for transmitting to the premises telephone 190 is performed.

The home location register 140 is a database storing service profiles related to subscriber information of the mobile communication terminal 110. The mobile location register 140 includes a mobile identification number (MIN), an international mobile subscriber identity (IMSI), and a PDC of the mobile communication terminal 110. One of (Personal Digital Cellular) and MSN (mobile subscriber number) has a terminal unique number (ESN: Electronic Serial Number) and information about the type of service.

In addition, the home location register 140 performs a function of storing subscriber information including information of the base station 120 where the mobile communication terminal 110 is located and the mobile communication switching center 130.

In the present invention, the home location register 140 determines whether the call originated from the mobile communication terminal 110 is an internal call when the mobile communication exchange requests the access code of the wired / wireless integrated service in the premises, and the call originates from the mobile communication terminal 110. If a call is a premise call, the mobile communication exchange 130 transmits the premise wired / wireless integrated service INAC, which is an access code of the premise wired / wireless integrated service. In other words, in the present invention, the home location register 140 determines whether the call originating from the mobile communication terminal 110 is a call in the premises in cooperation with the mobile communication switching station 130, and the call originating from the mobile communication terminal 110 is determined. If the call is on the premises, the mobile communication switching center 130 is able to interwork with the service control device 160.

Detailed description thereof is as follows.

The home location register 140 receives the second service processing request message from the mobile communication switching center 130, and transmits the mobile communication terminal 110 through the service key included in the second service processing request message and the wired called number for the premises call. Confirm that the call originated from the internal call, and includes the third access message, that is, the wired telephone number for the internal call and the wired / wireless integrated service INAC in the access message to the mobile communication exchange station 130.

The signal communication network 150 performs a function of providing a communication path for transmitting various signals between the mobile communication switching center 130, the home location register 140, and the service control device 160, and uses a common line signaling method. Includes .7 networks;

The service control device 160 includes a service control point (SCP) that performs service control such as eligibility check of information received from the service exchanger (SSP), translation of routing information, and the like.

In the present invention, the service control device 160 stores the wired / wireless integrated service subscription information of the wired / wireless integrated service subscribers in the premises, checks whether the mobile communication terminal 110 is located in the service area, and locates the wired / wireless integrated service in the premises. Control, that is, in conjunction with the mobile communication switching station 130 performs a function to allow the mobile communication terminal 110 to receive or make a call in the premises as follows. Here, the wired / wireless integrated service subscription information may include routing numbers for private exchanges of service subscribers, virtual extension numbers assigned to mobile communication terminals of service subscribers, mobile phone numbers of mobile communication terminals, identification numbers of mobile communication terminals, and service subscribers. Include the incoming extension.

In the present invention, when the internal telephone 190 sends the internal telephone call to the mobile communication terminal 110, the service control device 160 receives the first service processing request message from the mobile communication switching station 130, the first The service key included in the service processing request message and the routing number for the service control device are used to recognize the call as an on-premises call, and the service area where the call is originated using the service area number included in the first service processing request message is identified. Figure out.

Thereafter, the service control device 160 performs a procedure of identifying the location of the mobile communication terminal 110 corresponding to the wireless terminating number for the premises call included in the first service processing request message. Here, the procedure for determining the location of the mobile communication terminal 110 by the service control device 160 may include a procedure for identifying a location using a location based service (LBS), but since this is a known technology, a detailed description thereof will be provided. Omit it.

As a result of determining the position of the mobile communication terminal 110, if the mobile communication terminal 110 is located in the service area, the first access message, that is, the originating service characteristic indicator and the identification number of the mobile communication terminal 110 are included in the access message. And transmits it to the mobile communication switching center 130. Here, the outgoing service characteristic indicator indicates that the incoming call to the mobile communication terminal 110 is an internal call, or the outgoing call from the mobile communication terminal 110 is an internal call.

If the mobile communication terminal 110 is not located in the service area, the service control device 160 announces the announcement (for example, "You cannot receive a call due to the customer's convenience. A procedure for sending a call to the premises telephone 190 that has originated the premises call through the private exchange 180, and includes a second connection message, i.e., an originating service characteristic indicator, a routing number and identifier for the private exchange. The line number is included in the connection message and transmitted to the mobile communication switching station 130. Here, the service control device 160 uses the premises wired and wireless integrated service subscription information to determine the routing number for the private exchange of the called party and the called extension number.

Meanwhile, in the present invention, when the mobile communication terminal 110 transmits an internal call to the premises telephone 110, the service control device 160 receives a third service processing request message from the mobile communication switching station 130, Through the service key and the wired / wireless integrated service INAC and the wired / wireless integrated service subscription information included in the third service processing request message, confirming that the mobile communication terminal 110 is subscribed to the wired / wireless integrated service on the premise, and the third service processing request message. Check the location information included in the mobile terminal 110 to confirm that the originating from the service area.

In addition, the service control device 160 recognizes that the call originated from the mobile communication terminal 110 is an internal call via the wired / wireless integrated service INAC included in the third service processing request message and the wired called number for the internal call. 4 The access message, that is, the routing number for the private exchange in the service area where the mobile communication terminal 110 is located, the landline telephone number for the internal call, and the originating service characteristic indicator are included in the access message and transmitted to the mobile communication switching center 130.

The interlocking gateway 170 is a functional unit or device that converts protocols by interconnecting a plurality of communication networks having incompatible protocols.

In the present invention, the interworking gateway 170 includes a base station 120, a mobile communication switching station 130, a home location register 140, a signal communication network 150, and a service control device 160. Performing protocol conversion between the wired network in the premises, that is, converting the protocol of the premises call originated from the private exchange 180 and transmitting it to the mobile communication switching station 130, or of the premises call originating from the mobile communication switching station 130. The protocol is converted and transmitted to the private exchange 180. Detailed description thereof is as follows.

In the present invention, when the internal telephone 190 transmits an internal telephone call to the mobile communication terminal 110, the interworking gateway 170 is a virtual number including the called party's telephone number or identifier including the identifier and the characteristic code from the private exchange 180 After receiving the extension number, the first initial address message, i.e., the called party's telephone number including the identifier and the property code, or the virtual extension including the identifier, a routing number (RN) for the service control device and a zone number (Zone Number). ) Is included in the initial address message and transmitted to the mobile communication switching center 130.

On the other hand, when the interworking gateway 170 receives the second initial address message from the mobile communication switching station 130, the interworking gateway 170 deletes the identifier included in the second initial address message and the routing number for the private exchange, and then returns to the private exchange 180. A call connection is attempted, i.e., a fourth initial address message is deleted from the second initial address message and the routing number for the private exchange is sent to the private exchange 180. Here, the fourth initial address message includes the called extension number.

In addition, when the interworking gateway 170 receives the third initial address message from the mobile communication switching station 130, the interworking gateway 170 deletes the identifier included in the third initial address message and the routing number for the private exchange, and then sends the private exchange 180 to the private exchange 180. A call connection is attempted, i.e., a fifth initial address message is deleted from the third initial address message and the routing number for the private exchange is sent to the private exchange 180. Here, the fifth initial address message includes the extension number.

The private exchange 180 is an automatic telephone exchange configured to process an internal call through a telephone network installed in the premises and connect a public telephone network to make an external telephone call. In the present invention, the private exchange 180 is an internal telephone 190 The internal call transmitted from the) is transmitted to the mobile communication switching station 130 through the interworking gateway 170, or the internal calling call transmitted from the mobile communication switching center 130 is received through the interworking gateway 170. Detailed description thereof is as follows.

The private exchange 180 attempts to make a call on the premises by transmitting the identifier, the characteristic code, and the called party's phone number input from the premises phone 190 to the interworking gateway 170, or the identifier and the virtual input from the premises phone 190 The extension number is transmitted to the interworking gateway 180 to attempt the call of the premises call.

In addition, when the private exchange 180 receives the fourth initial address message or the fifth initial address message from the interworking gateway 170, the private exchange 180 calls the internal telephone call to the extension telephone number or the extension telephone 190 corresponding to the extension number.

The extension telephone 190 is a fixed-lined landline telephone, which transmits an internal call to the mobile communication terminal 110 or another internal telephone, or calls an internal call originated from the mobile communication terminal 110 or another internal telephone. Incoming.

2 to 4 are flowcharts illustrating a process of providing an integrated wired / wireless integrated service according to a preferred embodiment of the present invention.

2 is a premises for transmitting from the premises phone 190 to the mobile communication terminal 110 when the mobile communication terminal 110 is located in the service area in the process of providing the wired / wireless integrated service according to the preferred embodiment of the present invention. A flowchart showing the process of processing a call.

When the private exchange 180 transmits the wireless destination number for the internal call to the interworking gateway 170, the interworking gateway 170 routes the called party's telephone number including the identifier and the characteristic code or the virtual extension number including the identifier and the service control device. A first initial address message (IAM) including a routing number (RN) and a service area number (Zone Number) is transmitted to the mobile communication switching center 130 (S210 and S220).

The mobile communication switching center 130 transmits the first service processing request message including the wireless terminating number for the internal call, the service key, the routing number for the service control device, and the service area code to the service control device 160 (S230). Here, the mobile communication switching station 130 manages the routing number for the service control device included in the first initial address message by N-CSI (CAMEL Subscription Info), so that the service key indicates the wired / wireless integrated service in the premises. Set it.

The service control device 160 performs a procedure of identifying the location of the mobile communication terminal 110 corresponding to the wireless terminating number for the premise call included in the first service processing request message (S240). Here, the service control device 160 recognizes that the call is an internal call through the service key included in the first service processing request message and the routing number for the service control device, and the service area number included in the first service processing request message. Use to determine the service area where the internal call was made.

As a result of determining the location of the mobile communication terminal 110, when the mobile communication terminal 110 is located in the service area, the service control device 160 includes a first service characteristic indicator and a first identification number including the identification number of the mobile communication terminal 110. The access message is transmitted to the mobile switching center 130, and the mobile switching center 130 performs a Send Routing Info (SRI) procedure including an outgoing service characteristic indicator (S250 and S260).

Since the process is performed the same process as the call processing of the conventional wireless network.

3 is a diagram illustrating a case where a mobile communication terminal 110 is transmitted from a mobile phone terminal 110 to a mobile communication terminal 110 when a mobile communication terminal 110 is not located in a service area during a process of providing wired / wireless integrated service according to a preferred embodiment of the present invention. This is a flowchart showing the process of processing internal call.

When the private exchange 180 transmits the wireless destination number for the internal call to the interworking gateway 170, the interworking gateway 170 routes the called party's telephone number including the identifier and the characteristic code or the virtual extension number including the identifier and the service control device. A first initial address message (IAM) including a routing number (RN) and a service area number (Zone Number) is transmitted to the mobile communication switching center 130 (S310 and S320).

The mobile switching center 130 transmits a first service processing request message including the wireless terminating number for the internal call, the service key, the routing number for the service control device, and the service area code to the service control device 160 (S330). Here, the mobile communication switching station 130 manages the routing number for the service control device included in the first initial address message by N-CSI (CAMEL Subscription Info), so that the service key indicates the wired / wireless integrated service in the premises. Set it.

The service control device 160 performs a procedure of determining the location of the mobile communication terminal 110 corresponding to the wireless terminating number for the premise call included in the first service processing request message (S340). Here, the service control device 160 recognizes that the call is an internal call through the service key included in the first service processing request message and the routing number for the service control device, and the service area number included in the first service processing request message. Use to determine the service area where the internal call was made.

If the mobile communication terminal 110 is not located in the service area, the service control device 160 announces the announcement (for example, "You cannot receive a call due to the customer's convenience. Performs a procedure for transmitting a call to the premises telephone 190 that has originated the premises call, and sends a second access message including the called extension number including the outgoing service characteristic indicator, the routing number for the private exchange, and the identifier to the mobile switching center 130; (S350, S360). Here, the service control device 160 uses the premises wired and wireless integrated service subscription information to determine the routing number for the private exchange of the called party and the called extension number.

The mobile switching center 130 attempts to connect the internal call to the interworking gateway 170 corresponding to the routing number for the private exchange, that is, interworking a second initial address message including the destination extension number including the identifier and the routing number for the private exchange. Transmits to the gateway 170, the interworking gateway 170 deletes the identifier included in the second initial address message and the routing number for the private exchange, and then attempts to connect to the private exchange 180, that is, the second initial address. The fourth initial address message having the identifier and the routing number for the private exchange removed from the message is transmitted to the private exchange 180 (S370 and S380). Here, the fourth initial address message includes the called extension number.

5 is a flowchart illustrating a process of processing an internal call made by a mobile communication terminal 110 located in a service area to an internal telephone 190 in a process of providing an integrated wired / wireless integrated service according to an exemplary embodiment of the present invention.

When the mobile communication terminal 110 attempts to make a call to the internal telephone 190, the mobile communication switching station 130 receives the wired called number for the internal call from the mobile communication terminal 110, the service key, the wired incoming for the internal call. The second service processing request message including the number, the location information of the mobile communication terminal 110, and the originating service characteristic indicator is transmitted to the home location register 140 (S410 and S420).

The home location register 140 transmits a third access message including the wired called number for the internal call and the wired / wireless integrated service INAC to the mobile communication switching station 130 (S430). Here, the home location register 140 confirms that the call originated from the mobile communication terminal 110 is an internal call through the service key included in the second service processing request message and the wired called number for the internal call.

After detecting the premises wired / wireless integrated service INAC included in the third access message, the mobile telecommunication switching center 130 includes a service key, a landline called number for premises calling, location information, an premises wired / wireless integrated service INAC, and an outgoing service characteristic indicator. 3 The service processing request message is transmitted to the service control device 160 (S440).

The service control apparatus 160 confirms that the mobile communication terminal 110 is subscribed to the premises wired / wireless integrated service through the service key included in the third service processing request message and the premises wired / wireless integrated service INAC and the premises wired / wireless integrated service subscription information. In operation S450, the mobile terminal 110 checks the location information included in the third service processing request message.

The service control device 160 transmits a fourth access message including the routing number for the private exchange in the region where the mobile communication terminal 110 is located, the wired called number for the internal call, and the outgoing service characteristic indicator to the mobile communication exchange station 130. (S460).

The mobile switching center 130 attempts to connect the premises call to the interworking gateway 170 corresponding to the routing number for the private exchange, that is, interworking a third initial address message including a wired called number for the premises call and a routing number for the private exchange. It transmits to the gateway 170 (S470).

The interworking gateway 170 deletes the identifier included in the third initial address message and the routing number for the private exchange, and then attempts a call connection to the private exchange 180, that is, the identifier and the private exchange route in the third initial address message. The fifth initial address message of which the number has been deleted is transmitted to the private exchange 180 (S480). Here, the fifth initial address message includes the extension number.

As such, in the wired / wireless integrated service of the present invention, the service control device 160 checks whether the mobile communication terminal 110 is located in the service area, and if the mobile communication terminal 110 is located in the service area, the phone 190 is located in the service area. In order to transmit the internal call originating from the mobile communication terminal 110 to transmit the first access message, and the mobile communication terminal 110 is not located in the service area, the internal telephone 190 Transmits a second connection message to the mobile communication switching center 130 to transmit the call originated from the call to the destination premises telephone (not shown), and the premises telephone 190 while the mobile communication terminal 110 is located in the service area. When the internal call is transmitted to the premises, a fourth connection message is transmitted to the mobile communication switching station 130 to transmit the premises call to the premises telephone 190 to provide the premises wired / wireless integrated service. To control.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics 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 protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

As described above, the present invention is applied to the field of wired / wireless integrated service in the premises, and uses a service control device that is an infrastructure of a mobile communication network without using a separate exchange equipment and a private base station equipment to connect the wired network and the mobile communication network in the premises. In addition, the invention is a very useful invention that results in a low cost for connecting the wired network and the mobile communication network.

1 is a block diagram schematically showing the configuration of a system for providing wired / wireless integrated services in a premises according to an embodiment of the present invention;

2 to 4 are flowcharts illustrating a process of providing an integrated wired / wireless integrated service according to a preferred embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

110: mobile communication terminal 120: base station

130: mobile switching center 140: home location register

150: communication network 160: service control device

170: interworking gateway 180: private exchange

190: local telephone

Claims (14)

In the system for connecting the wired network and mobile communication network, In the system for connecting the wired network and the mobile communication network in order to connect the internal call call between the mobile communication terminal located in the service zone (Zone) that provides wired and wireless integrated service in the premises and the premises switcher, An interworking gateway performing protocol conversion between the mobile communication network and the premises wired network; A private exchange transmitting the internal call to the interworking gateway or receiving the internal call from the interlocking gateway; Receive the premise call from the interlocking gateway and transmit it to the mobile communication terminal through interworking with the service control device, or receive the premise call from the mobile communication terminal and interwork with the service control device. A mobile communication switching center transmitting to the gateway; Stores wired / wireless integrated service subscription information of wired / wireless integrated service subscribers of the premises and checks whether the mobile communication terminal is located in the service area, and if the mobile communication terminal is located in the service area, The service control device for receiving or originating the internal call; And In response to the mobile communication exchange station determining whether the call originating from the mobile communication terminal is a call on the premises, and if the call originating from the mobile communication terminal is the call on the premises, the mobile communication exchange station interworks with the service control device. Home location register System for connecting the premises wired network and mobile communication network comprising a. The method of claim 1, When the premises telephone transmits the premises call to the mobile communication terminal, the service control device is configured to send a wireless call number for the premises call from the mobile communication switching center, a service key indicating the premises wired / wireless integrated service, and routing for a service control device. A system for connecting a wired network with a mobile communication network for providing wired / wireless integrated service in a premises comprising receiving a first service processing request message including a number and a service area code. The method of claim 2, The wireless telephone number for the premise call is a system for connecting a wired network and a mobile communication network to provide an integrated wired / wireless integrated service of any one of an called party's telephone number including an identifier and a feature code and a virtual extension number including the identifier. The method of claim 2, The service control device receives the first service processing request message, recognizes that the corresponding call is the premises call, identifies the service area where the premises call is originated, and performs the procedure of locating the location of the mobile communication terminal. System for connecting the wired and mobile network in the premises to provide wired and wireless integrated services in the premises. The method of claim 4, wherein If the mobile communication terminal is located in the service area, the service control device transmits the internal call to the mobile communication switching center by sending a first access message including an outgoing service characteristic indicator and an identification number of the mobile communication terminal to the mobile communication switching center. A system for connecting a wired network with a mobile communication network to provide wired and wireless integrated services in a premises, characterized in that the communication terminal is called. The method of claim 4, wherein If the mobile communication terminal is not located in the service area, the service control device performs a procedure for transmitting an announcement broadcast to the premises telephone, and the called extension number including the identifier, the originating service characteristic indicator, and the routing for the private exchange. A system for connecting a wired network with a mobile communication network in order to provide a wired / wireless integrated service in a premises, comprising transmitting a second access message including a number to the mobile communication switching center. The method of claim 1, When the mobile communication terminal transmits the premises call to the premises telephone, the service control device is a service key indicating the premises wired / wireless integrated service from the mobile communication switching center, location information of the mobile communication terminal, premises wired / wireless integrated service. A system for connecting a wired network with a mobile communication network for providing wired / wireless integrated service in a premises comprising receiving a third service processing request message including an intelligent network access code (INAC) and an outgoing service characteristic indicator. The method of claim 7, wherein The service control device receives the third service processing request message, confirms that the mobile communication terminal is subscribed to the premises wired / wireless integrated service, confirms that the mobile communication terminal originated from the service area, and performs the mobile communication. After recognizing that the call originated from the terminal is the premises call, the mobile communication terminal transmits a fourth access message including a routing number for the private exchange, a landline called number for the premises call, and the originating service characteristic indicator to the mobile communication exchange station. And connecting the wired network with the mobile communication network in order to provide the wired / wireless integrated service in the premises, wherein the premises call is transmitted to the premises telephone. In the method of connecting an on-premises wired network and a mobile communication network, when an on-site telephone call is transmitted from an on-premises telephone located in a service area of an on-premises wired / wireless integrated service to a mobile terminal subscribed to on-premises wired / wireless integrated service, (a) transmitting, at the private exchange, the wireless destination number for the internal call to the interworking gateway; (b) transmitting, at the interworking gateway, a wireless called number for the local call, a routing number for a service control device, and a service area number of the service area to a mobile communication switching center; (c) transmitting, at the mobile communication switching center, a service key indicating the wired / wireless integrated service, a routing number for the service control device, and the service area number to a service control device; performing a procedure of locating a location of a mobile communication terminal corresponding to the called party's telephone number or the virtual extension number; (e) if the mobile communication terminal is located in a service area, transmitting an outgoing service characteristic indicator and an identification number of the mobile communication terminal to the mobile communication switching center; performing a routing information transmission procedure including the originating service indicator at the mobile communication switching center; And (g) in step (b), if the mobile communication terminal is not located in the service area, performing a procedure for transmitting an announcement broadcast to the local telephone. Method for connecting the wired network and the mobile network in the premises to provide wired and wireless integrated services in the premises comprising a. 10. The method of claim 9, prior to step (d) (d-1) The service control device recognizes that the corresponding call is the premises call through the service key and the routing number for the service control device, and identifies the service area where the premises call is originated through the service area number. step How to connect the wired and mobile network in the premises to provide wired and wireless integrated services in the premises characterized in that it further comprises. The method of claim 9, (h) transmitting, at the service control device, the originating service characteristic indicator, the routing number for the private exchange, the identifier and the called extension number to the mobile communication switching center; (i) transmitting, at the mobile communication switching station, the routing number for the private exchange, the identifier and the called extension number to the interworking gateway; And (j) deleting the routing number and the identifier for the private exchange at the interworking gateway, and transmitting the called extension number to the private exchange. How to connect the wired and mobile network in the premises to provide wired and wireless integrated services in the premises characterized in that it further comprises. In the case of subscribing to the wired / wireless integrated service in the premises and making a call from the mobile communication terminal located in the service area of the wired / wireless integrated service to the premises telephone located in the service area, the method for connecting the wired network to the premises wired network ,  (a) transmitting, at the mobile communication terminal, the wired called number for the internal call to the mobile communication switching center; (b) requesting an on-premises wired / wireless integrated service intelligent network access code (INAC), which is an access code of the on-premises wired / wireless integrated service, to the home location register from the mobile telecommunication switching center, and receiving the on-premises wired / wireless integrated service INAC from the home location register; step; (c) receiving, at the mobile communication exchange station, a service key indicating the wired / wireless integrated service in the premises, the landline telephone number for the premises call, location information, and an originating service characteristic indicator to a service control device; (d) confirming that the mobile communication terminal is subscribed to the on-premises wired / wireless integrated service through the service key and the on-premises wired / wireless integrated service INAC at the service control device, and confirming the location information so that the mobile communication terminal provides a service area. Confirming that the call is from; (e) transmitting, at the service control device, the routing number for the private exchange in the service area, the called number for the premises call, and the originating service characteristic indicator to the mobile communication switching center; And (f) transmitting, at the mobile communication switching station, the routing number for the private exchange and the called number for the internal call to an interworking gateway; Method for connecting the wired network and the mobile network in the premises to provide wired and wireless integrated services in the premises comprising a. The method of claim 12, (g) deleting, from the interworking gateway, the identifier included in the routing number for the private exchange and the called number for the premises call, and transmitting the extension number included in the called number for the premises call to the private exchange. How to connect the wired and mobile network in the premises to provide wired and wireless integrated services in the premises characterized in that it further comprises. The method of claim 12, The wired called number for the premises call comprises an identifier and the extension number to connect the wired network and the mobile communication network to provide a wired and wireless integrated service in the premises.

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