KR20060004083A - System and method of telephone called service using wireless-representative number - Google Patents

Abstract

The present invention relates to a telephone incoming call service system using a wireless representative number and a method thereof, wherein the system according to the present invention is provided in a subsidiary company of a wireless telephone service in a premises and provides a telephone incoming call to an on-premises wireless switching device that provides wireless telephone service in a premises. Assigns a wireless representative number for the network, registers the representative number server with the destination location information of the wireless representative number in the HLR, and receives the incoming routing information in response to a request for incoming routing information for setting up a call from the HLR to the representative number server. Provide a specific wireless representative number and extension number by setting up a call with GS / MSC based on the incoming routing information, and transmit the extension number to the premises wireless exchange device of the subsidiary corresponding to the received wireless representative number. Representative number server to form a call path by transmitting and establishing a call; Register the representative number server with the destination location information of the wireless representative number by interworking with the representative number server, and when the destination location information for the wireless representative number is requested from GS / MSC, request the incoming routing information to the representative number server and transmit the result. HLR for transmitting the incoming routing information to GS / MSC; And an extension number assigned to each subscriber who can use the on-site wireless telephone service, and registers setting status information of the called terminal for the assigned extension number in a separate DB. When a specific extension number is transmitted from the representative number server together with a call setup request, it analyzes the setting status information of the called terminal for the extension number and establishes a call with the called terminal based on the analysis result. An exchange device.

Description

System and method of telephone called service using wireless-representative number}

1 is a schematic configuration diagram of an incoming call service system using a wireless representative number according to the present invention;

Figure 2 is a procedure for the registration process of the wireless representative number in the incoming call service method using the wireless representative number according to the present invention,

3A and 3B are flowcharts illustrating a method for receiving an incoming call service using a wireless representative number according to the present invention.

The present invention relates to a telephone call service system and a method thereof, and more particularly, to a wireless private automatic branch eXchange (WPABX) provided in various corporations (for example, a large corporation, a university, a general building, etc.). If a specific wireless representative number (for example, 01x-yyyy-zzzz, etc.) for incoming calls is assigned and a caller located outside of the enterprise makes a call using the corporate representative's wireless representative number as the destination telephone number, The present invention relates to a telephone incoming call service system using a wireless representative number and a method for receiving a telephone call through a wireless switching device in a premises.

In general, most enterprises have on-site wired switch devices such as Private Automatic Branch eXchange (PABX), Key-Phone, etc. to enable telephone conversations between members of the enterprise without charge.

The premises wired switching device allocates a unique extension number to each of a plurality of premises telephones (or premises wired telephones) connected by wire, thereby supporting extension calls between wired telephones within the premises. In addition, the premises wireline switching device connects a public network communication operator and a trunk line to support telephone conversation with the outside of the enterprise, and supports outgoing calls from the inside of the enterprise and incoming calls from outside the enterprise.

Here, the public network communication service provider assigns a unique wired representative number to each company's premises wireline switching device to support incoming calls from outside the enterprise. That is, when a caller located outside the enterprise makes a call using the wired representative number of the corresponding company as the called phone number, the public network operator identifies the company corresponding to the wired representative number, which is the called phone number, and then connects the wired switching device of the company. Incoming calls from outside the enterprise are supported. Since such a public network communication service provider is generally a wired business operator, the wired representative number of the premises wireline switching device interworking with the public network communication service provider follows the telephone number system of the wired network.

On the other hand, in recent years, by incorporating CDMA wireless technology into PABX, an on-premises wireless switching device (for example, WPABX: Wireless Private Automatic Branch) that allows a general mobile terminal (eg, a mobile phone) to be used as a wireless telephone in a specific service area. eXchange) is being introduced.

That is, the on-premises wireless switching system is provided in the enterprise, and is assigned within the service area of the on-premises wireless switching system in the enterprise, and assigns a unique extension number to the subscribers who can use the wireless telephone service in the enterprise, and thus each subscriber Using the mobile terminal as a wireless telephone in the premises, it is possible to make an extension call, and interworking with the wired telephone exchange device in the enterprise to enable an extension call between the subscriber of the wireless telephone and the subscriber of the wired telephone connected to the wired telephone exchange device. Support.

Therefore, if the above-mentioned wireless switching system in the premises is provided in the enterprise, it will be possible to replace the wired representative number of the enterprise currently having the telephone number system of the wired network with the wireless representative number having the telephone number system of the wireless network.

However, most companies currently use fixed line numbers with a fixed number system.

Therefore, the present invention assigns a wireless representative number to make an incoming call from outside the enterprise to the on-premises wireless switching device provided in each enterprise, so that the caller located outside the enterprise uses the wireless representative number of the enterprise as the called telephone number. In order to make a call, an object of the present invention is to provide a call receiving service system using a wireless representative number and a method for making a phone call with a called party within an enterprise by receiving a call with a wireless switching device within an enterprise.

Telephone reception service system using the wireless representative number according to the present invention for achieving the above object is provided in the subscribing company of the wireless telephone service in the premises and the wireless representative number for incoming calls to the premises wireless switching device to provide the wireless telephone service in the premises , Registers the representative number server with the destination location information of the wireless representative number in the HLR, provides the incoming routing information in response to the request of the incoming routing information for the call setup from the HLR to the representative number server, and the corresponding incoming call. Set up a call with GS / MSC based on routing information, receive a specific wireless representative number and extension number, and transmit the extension number to the premises wireless exchange device of the subscribing company corresponding to the received wireless representative number. A representative number server thereby forming a currency path; Register the representative number server with the destination location information of the wireless representative number by interworking with the representative number server, and when the destination location information for the wireless representative number is requested from GS / MSC, request the incoming routing information to the representative number server and transmit the result. HLR for transmitting the incoming routing information to GS / MSC; And an extension number assigned to each subscriber who can use the on-site wireless telephone service, and registers setting status information of the called terminal for the assigned extension number in a separate DB. When a specific extension number is transmitted from the representative number server together with a call setup request, it analyzes the setting status information of the called terminal for the extension number and establishes a call with the called terminal based on the analysis result. An exchange device.

In addition, the telephone incoming call service method using the wireless representative number in accordance with the present invention for achieving the above object is (a) wireless for the telephone call to the on-premises wireless switching apparatus provided in the enterprise of the subscription number telephone service of the representative number server Assigning a representative number and registering the representative number server with the destination location information of the wireless representative number in HLR in association with the HLR; (b) When a call origination with a specific radio representative number is called by an external caller located outside the subscribing entity, and the destination location information for the specific radio representative number is requested from the GS / MSC, the HLR Recognizing the representative number server as the called location information of the wireless representative number, requesting incoming routing information to the corresponding representative number server, and transmitting the incoming routing information received as a result to GS / MSC; (c) When a specific radio representative number is transmitted with a call establishment request based on incoming routing information from GS / MSC, the representative number server responds to the call establishment request to GS / MSC and then externally via GS / MSC. Requesting a caller to input an extension number, receiving an input, and requesting call setup by transmitting the extension number to the premises wireless switching device of the subscribing company corresponding to the corresponding wireless representative number; And (d) the on-premises radio switching device receives a specific extension number along with a call setup request from the representative number server, identifies a called terminal corresponding to the received extension number, and sets up a call with the called terminal. After responding to the call setup request with the number server, supporting the telephone call between the subscriber of the called terminal and the external caller.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of a system for receiving a telephone service and a method using a wireless representative number according to the present invention will be described in detail.

1 is a schematic configuration diagram of an incoming call service system using a wireless representative number according to the present invention.

As shown in FIG. 1, a call receiving service system using a wireless representative number according to the present invention includes a representative number server 10, a server DB 11 interworking with the representative number server 10, and a home location register. (30) and subscriber DB (31) linked to the HLR (30), GS (Gateway Switch) (51), MSC (Mobile Switching Center) 52, the on-premises wireless telephone service provider 70a Premises wireless switching device (WPABX) 70 for providing wireless telephone service in the premises and the terminal information DB 71 interworking with the premises wireless switching device 70 and a corresponding wireless switching device for the premises ( It is provided in the premises wireless terminals (or premises wireless telephones) 701 and 703 and the subscribing enterprises 70a of the subscribers who can use the premises wireless telephone service within the service area of 70) to cooperate with the premises wireless switching device 70. The wired switchboard 80 and the wired switchboard 80 in the premises Connected premises wired terminal (or premises wired telephone) 801, 803, wired telephone 91, mobile terminal (e.g. mobile phone, etc.) 92, mobile communication network 1, TCP / IP network 2, PSTN / Public Switched Telephony Network / Public Land Mobile Network (PLMN) 3.

The representative number server 10 is provided in the network of the mobile communication service provider, and any caller (hereinafter referred to as an external caller) located outside the subsidiary company 70a of the on-site wireless telephone service is connected to the premise radio within the subsidiary company 70a. A wireless representative number for incoming calls to the premises wireless switching device 70 so that a telephone call can be made to the subscriber of the premises wireless telephone service located in the service area of the premises wireless switching device 70 through the switching device 70 ( For example, 01x-yyyy-zzzz, etc.) are allocated, and the assigned wireless representative number and the unique information of the premises wireless switching device 70 (for example, an electronic serial number (ESN, etc.)) are mapped to each affiliate company 70a. The registration is managed in the server DB 11 by). Here, the representative number server 10 may register the extension number of each subscribing company 70a and the department information corresponding to the extension number in the server DB 11.

Then, the representative number server 10 registers the representative number server 10 as the destination location information for the wireless representative number to the HLR 30 through the mobile communication network (1).

In addition, the representative number server 10 interlocks with the HLR 30 through the mobile communication network 1 to receive incoming routing information (eg, TLDN (Temporary Local Directory Number)) for call setup to the representative number server 10. Provides in response to a request of the HLR 30, and receives a specific radio representative number and extension number while connecting the call with the GS 51 or the MSC 52 based on the incoming routing information through the mobile communication network (1). . In addition, the representative number server 10 identifies the premises wireless switching device 70 of the subsidiary company 70a corresponding to the specific wireless representative number received by the corresponding wireless switching device 70 and the TCP / IP network (2). By forming a call path through the call.

The HLR 30 performs all of the corresponding basic operations in the mobile communication network 1, in particular, in connection with the representative number server 10 through the mobile communication network 1, from the representative number server 10 to the wireless representative number. Receives a request for registration of the representative number server 10 as the destination location information for the destination, and performs the operation of registering the representative number server 10 in the subscriber DB (31) with the destination location information of the corresponding wireless representative number.

In addition, when the HLR 30 requests destination location information for a specific radio representative number from the GS 51 / MSC 52 through the mobile communication network 1, the destination location for the corresponding radio representative number is the representative number server. Recognizing that the state is registered as (10), the incoming routing information for the call set-up to the representative number server 10 is requested by the representative number server 10 and received, and received by the GS (51) / MSC (52) Incoming routing information is transmitted in response to the location information request.

The GS 51 is a switching system that provides a connection function between the mobile communication network 1 and an external network of the mobile communication network 1, that is, the PSTN / PLMN 3, and is a wired telephone apparatus via the PSTN / PLMN 3. When the telephone call for the telephone call of (91) is received, the incoming telephone number (here, the incoming telephone number is the wireless representative number) included in the received telephone call is transmitted to the HLR 30 through the mobile communication network 1 Requesting the location information of the called party for the called telephone number, and establishing a call to the representative number server 10 through the mobile communication network 1 based on the received information (that is, called routing information). To perform.

On the other hand, the MSC 52 is a switching system that performs all the basic operations in the mobile communication network 1, and when a telephone call for a telephone call of the mobile terminal 92 is received through a base station (not shown), the received telephone call is received. Incoming telephone number included in the call (where the incoming telephone number is the wireless representative number) is transmitted to the HLR 30 through the mobile communication network (1) to request the location information of the called party for the called telephone number, and as a result Based on the received information (that is, incoming routing information) to perform a call to the representative number server 10 through the mobile communication network (1). As mentioned above, in the present invention, the GS 51 and the MSC 52 operate similarly. However, GS 51 only supports the calling of the caller when the caller is not a subscriber of the same mobile network as the called party, and the MSC 52 supports the calling of the caller when the caller is a subscriber of the same mobile network as the called party. Support outgoing.

The premises wireless switching device 70 is provided in the subsidiary company 70a of the premises wireless telephone service, assigns an extension number to each of the subscribers in the premises wireless telephone service in the subsidiary company 70a, and assigns the assigned extension number and its extension number. Registration status information of the called terminal corresponding to the subscriber is registered and managed in the called terminal information DB 71 for each subscriber. Here, the called terminal setting state information may include any one of the premises wireless terminals 701 and 703 information of the premises wireless telephone service subscriber and the premises wired terminals 801 and 803 information.

In addition, the premises wireless switching device 70 is interlocked with the premises wired switching device 80 provided in the subsidiary company 70a, so that the premises wireless terminals 701 and 703 located within the service area of the premises wireless switching device 70 are provided. An extension call is supported between the subscriber and the subscriber of the wired terminal 801 or 803 connected to the wired wired exchange device 80. In addition, the premises wireless switching device 70 supports extension calls between subscribers of the premises wireless terminals 701 and 703 located in the premises wireless telephone service area. The function of such an on-premises radio switching device 70 is general, and further detailed description thereof will be omitted.

On the other hand, the premises wireless switching device 70 receives a specific extension number while connecting a call with the representative number server 10 through the TCP / IP network (2), the extension based on the called terminal information DB (71) The called terminal corresponding to the number is identified, and the call is connected to the called terminal to form a call path. Here, the details of forming the communication path according to the terminating terminal corresponding to the extension number in the premises wireless switching apparatus 70 will be described in detail with reference to FIGS. 3A and 3B.

Finally, the premises wired switching device 80 is interlocked with the premises wireless switching device 70, receives a specific extension number from the premises wireless switching device 70, the premises wired terminal (801, corresponding to the extension number) 803) to support the incoming call to the corresponding landline terminals (801, 803). On the other hand, the wired wired switch device 80 of course supports extension calls between subscribers of the wired wired terminals (801, 803).

2 is a procedure for registering a wireless representative number in the method for receiving an incoming call using the wireless representative number according to the present invention.

As shown in FIG. 2, first, if a specific company subscribes to a premise wireless telephone service to use a premise wireless telephone service, and the premise wireless switching device is provided within the enterprise, a caller located outside the subscribing business is a subscribing company. An on-premises radio provided with an operator of a representative number server (hereinafter referred to as a server operator) 100 in a subscribing enterprise so as to be able to make a call to a subscriber who is subscribed to an on-premises wireless telephone service while being located in a service area of an on-premises wireless switching system. Allocates a wireless representative number for incoming call to the switching device, and inputs the assigned wireless representative number and the unique information of the corresponding wireless switching device in the representative number server 10 to request registration (s10).

Then, the representative number server 10 maps the wireless representative number input by the server operator 100 and the unique information of the premises wireless switching device to register in the server DB 11 for each subsidiary (S15).

Then, the representative number server 10 transmits the wireless representative number and the corresponding representative number server information registered in step s15 to the HLR 30, and requests registration of the representative number server information as the destination location information for the wireless representative number. (s20).

At this time, the HLR 30 receives the representative number server information from the representative number server 10 for the called location registration request and the called location information of the wireless representative number from the representative number server 10 through step s20, and the wireless representative number and The representative number server information is registered in the subscriber DB 31 as the reception position information of the wireless representative number (s25). Subsequently, the HLR 30 transmits predetermined profile information (eg, unpaid fee information, whether to use coloring, etc.) to the representative number server 10 in relation to registration of the wireless representative number (S30). Here, step s30 is a procedure that is performed as a result of initial registration when the HLR 30 initially registers a specific number. Since such a procedure is generally performed in the HLR 30, a detailed description thereof will be omitted.

Finally, when the representative number server 10 transmits the profile information of the wireless representative number from the HLR (30), it recognizes the registration of the destination location information for the corresponding wireless representative number, the server operator 100 for the subscription company Notification of completion of registration of the wireless representative number (s35).

3A and 3B are flowcharts illustrating a method for receiving an incoming call service using a wireless representative number according to the present invention.

3A and 3B, first, the representative number server 10 maps a wireless representative number assigned to a subsidiary company of a premise wireless telephone service and unique information of a premise radio switching device provided in each subsidiary company. Manage by registering to the server DB for each company (s100_1).

In addition, the HLR 30 interworks with the representative number server 10 and subscribes the representative number server information to each subscribing company with the wireless representative number assigned to the subsidiary of the premises wireless telephone service and the destination location information of the wireless representative number. Register and manage in DB (s100_2). Here, the detailed description of the step s100_1 and the step s100_2 is already mentioned when the operation of the representative number server 10 and the HLR 30 with reference to Figure 2 will be omitted.

On the other hand, the on-premises wireless switching device 70 is provided in the subsidiary company 70a of the on-site wireless telephone service, so that the use of the on-site wireless telephone service within the service area of the on-premises wireless switching device 70 in the subsidiary company 70a is prevented. By assigning an extension number to each of the possible subscribers, the assigned extension number and setting status information of the called terminal corresponding to the extension number are registered and managed for each subscriber in the called terminal information DB (s100_3).

Next, a predetermined caller (external caller) 200 located outside the subsidiary company 70a of the on-site wireless telephone service uses the wired telephone 91 or the mobile terminal 92 to wirelessly access the subsidiary company 70a. When the representative number is dialed to the called phone number (s105), GS (51) / MSC (52) receives a telephone call from the wired telephone 91 or mobile terminal 92 of the external caller 200, After recognizing the wireless representative number which is the incoming telephone number based on the received telephone call, the wireless representative number is transmitted to the HLR 30 to request the reception location information on the wireless representative number (S110).

The HLR 30 receives the requesting location information on the radio representative number from the GS 51 / MSC 52 through step s110 and recognizes the registration of the representative number server information as the destination location information on the corresponding radio representative number. (s115), request the incoming routing information to the representative number server (10) (s120).

At this time, the representative number server 10 transmits the incoming routing information as a result of the request of the HLR 30 in step s120 (s125).

The HLR 30 receives the incoming routing information from the representative number server 10 through step s125, and transmits the received incoming routing information to the GS 51 / MSC 52 of the called location information for the wireless representative number. In response to the request (s130).

The GS 51 / MSC 52 receives the incoming routing information as the destination location information for the radio representative number from the HLR 30 through step s130, and corresponds to the incoming routing information by using the received incoming routing information. A call to the representative number server 10 is set (s135). At this time, GS (51) / MSC (52) is the representative number server 10 is the calling terminal (for example, wired telephone 91, mobile terminal 92, etc.) of the external caller 200 and the incoming telephone number Send the wireless representative number.

The representative number server 10 corresponds to the external caller 200 through the corresponding GS 51 / MSC 52 after the response to the call setup of the GS 51 / MSC 52 in step s135. A request for input of an extension number belonging to a subscription company 70a is performed (s145). Here, when the representative number server 10 registers and manages the extension number for each subsidiary of the company's wireless telephone service and the department information of the extension number in advance through the server DB, the representative number server 10 is in step S135. By identifying a subscribing company corresponding to the received wireless representative number, the extension number for each department in charge of the subscribing company may be guided to the external caller 200.

Then, when the external caller 200 enters the extension number (s150), the representative number server 10 obtains the extension number input by the external caller 200, and then through the step s135 GS (51) / MSC On the basis of the wireless representative number received from the 52, the wireless communication device 70 of the subsidiary company 70a corresponding to the wireless representative number is identified, and a call to the corresponding wireless switching device 70 is set (s155). ). At this time, the representative number server 10 transmits the extension number to the campus wireless switching device (70).

The premises wireless switching apparatus 70 receives a specific extension number in response to the call setup from the representative number server 10 through step s155, and the called terminal corresponding to the received extension number based on the called terminal information DB. Analyze the set state information of (S160).

As a result of the analysis of step s160, when the information on the premises wireless terminals 701 and 703 is recognized as the setting state information of the called terminal for the extension number, the premises wireless switching device 70 calls a call to the corresponding premises wireless terminals 701 and 703. Attempts to set (s165) and, on the other hand, if the information on the premises wired terminal (801, 803) is recognized as the setting status information of the called terminal for the extension number, and attempts to set up a call to the premises wired switch (80) (s165_1). . In step S165_1, the campus wireless switching device 70 transmits the extension number to the campus wired switching device (80). At this time, the premises wired switch 80 receives the extension number for the call setup from the premises wireless exchange device 70 through step s165_1, and identifies the premises wired terminal (801, 803) for the received extension number, Attempt to set up a call to the premises wired terminal (801, 803) (s166). Thereafter, when the wired switching device 80 in the premises receives a response to the call setting from the premises wired terminals 801 and 803 (s166_1), the wired switching device 80 transmits a response signal for the call setting to the premises wireless switching device 70 (s170_1). ).

Subsequently, in response to step s165, the response to the call setup is made from the premises wireless terminals 701 and 703 in step S165, or in response to the call setup from the premises wired switch 80 in response to step s165_1. (s170_1), the on-premises wireless switching device 70 transmits the response signal for the call setup of the step s155 to the representative number server 10 (s175), the external caller 200 and the on-premises wireless terminals (701, 703) Support the phone call between the subscriber or the external caller 200 and the subscriber of the wired terminal (801, 803) (s180, s180_1).

So far I looked at the center of the preferred embodiment for the present invention. Those skilled in the art will appreciate that the present invention can be implemented in a modified form without departing from the essential features of the present invention. Therefore, the disclosed embodiments should be considered in descriptive sense only and not for purposes of limitation. The scope of the present invention is shown in the claims rather than the foregoing description, and all differences within the scope will be construed as being included in the present invention.

According to the present invention, by using the wireless representative number as the representative number for the subscribing company of the wireless telephone service in the premises, it is possible to bring an increase in the income for the use of the wireless network to the wireless network operator by inducing a call to the wireless representative number. There is an advantage. In addition, the present invention has the advantage that it is possible to improve the awareness of the wireless network operators to the general public by using the wireless representative number which is the access number of the wireless network operator as the representative number for the subsidiary of the wireless telephone service in the premises.

Claims (9)

Subscribing to the wireless telephone service in the premises, the wireless representative number is allocated to the on-premises wireless switching device that provides the wireless telephone service in the premises, and the representative number server is registered in the HLR as the called location information of the wireless representative number. In response to a request for incoming routing information for establishing a call from the HLR to the representative number server, the incoming routing information is provided, and a call with the GS / MSC based on the incoming routing information is set to indicate a specific wireless representative number and Representative number server receiving an extension number, and forming a call path by transmitting the extension number to the premises wireless switching device of the subscribing enterprise corresponding to the received wireless representative number to establish a call; Register the representative number server with the destination location information of the wireless representative number by interworking with the representative number server, and when the destination location information for the wireless representative number is requested from GS / MSC, request the incoming routing information to the representative number server and transmit the result. HLR for transmitting the incoming routing information to GS / MSC; And The extension number is assigned to each subscriber who is provided in the subsidiary company of the premises wireless telephone service and can use the premises wireless telephone service, and registers the setting status information of the called terminal for the assigned extension number in a separate DB. When a specific extension number is transmitted from the number server together with a call setup request, the wireless communication in the premises that analyzes the setting status information of the called terminal for the extension number and establishes a call with the called terminal based on the analysis result. Telephone incoming service system using a wireless representative number characterized in that the device is configured. According to claim 1, wherein the representative number server Mapping the wireless representative number of the subsidiary company of the premises wireless telephone service and the unique information of the premises wireless switching device provided in the subsidiary company, the wireless representative number characterized in that the registration and management in a separate server DB for each subsidiary company Telephone incoming service system using. According to claim 2, wherein the representative number server When the GS / MSC transmits a specific radio representative number with a call establishment request based on the incoming routing information, after the response to the call establishment request to the GS / MSC, the GS / MSC is located outside the subscribing company corresponding to the radio representative number. A call receiving service system using a wireless representative number, characterized in that the external caller who has dialed the wireless representative number to the incoming telephone number is inputted by requesting an input of an extension number belonging to the affiliated enterprise. The wireless switching system of the premises according to claim 3 Interworking with the wired switchboard in the premises, As a result of analyzing the receiver terminal setting status information for the extension number received from the representative number server, if the premises wireless terminal is set as the called terminal corresponding to the extension number, the call is established with the corresponding premises wireless terminal, and the representative number server After responding to the call setup request, and supports a telephone call between the subscriber and the external caller of the premises wireless terminal, As a result of the analysis, if the premises wired terminal is set as a called terminal corresponding to the extension number, the extension is transmitted to the premises wired exchange device along with the call setup request, and a response to the call setup request is made from the premises wired exchange device. When the response to the call setup request to the representative number server, the telephone incoming call service system using a wireless representative number, characterized in that for supporting a telephone call between the subscriber and the external caller of the wired terminal in the premises. (a) The representative number server allocates a wireless representative number for incoming calls to the on-premises wireless switching system provided in the enterprise that subscribes to the wireless telephone service in the premises, and links the HLR to the HLR as the called location information of the wireless representative number. Registering a server; (b) When a call origination with a specific radio representative number is called by an external caller located outside the subscribing entity, and the destination location information for the specific radio representative number is requested from the GS / MSC, the HLR Recognizing the representative number server as the called location information of the wireless representative number, requesting incoming routing information to the corresponding representative number server, and transmitting the incoming routing information received as a result to GS / MSC; (c) When a specific radio representative number is transmitted with a call establishment request based on incoming routing information from GS / MSC, the representative number server responds to the call establishment request to GS / MSC and then externally via GS / MSC. Requesting a caller to input an extension number, receiving an input, and requesting call setup by transmitting the extension number to the premises wireless switching device of the subscribing company corresponding to the corresponding wireless representative number; And (d) The premise radio switching device receives a specific extension number along with a call establishment request from the representative number server, identifies a called terminal corresponding to the received extension number, sets up a call with the called terminal, and sets the representative number. And after the response to the call setup request to the server, supporting the telephone call between the subscriber and the external caller of the called terminal. The method of claim 5, wherein step (a) Receiving service using the wireless representative number, characterized in that the representative number server maps the wireless representative number assigned to the subscribing company and the unique information of the premises wireless switching apparatus provided in the subscribing company and registers and manages it in a separate server DB. Way. The method of claim 5, The on-premises wireless switching system allocates the extension number to each subscriber who can use the on-site wireless telephone service in the subsidiary, and separately assigns the assigned extension number and the setting status information of the called terminal to the extension number for each subscriber. Call receiving service method using a wireless representative number, characterized in that it further comprises the step of registration management in the DB. The method of claim 7, wherein step (d) As a result of the analysis of the called terminal setting state information corresponding to the extension number by the premise wireless switching device, when the called terminal is identified as the premise wireless terminal, it sets up a call with the corresponding premise wireless terminal and establishes a call between the subscriber and the external caller of the premise wireless terminal. Telephone receiving service method using a wireless representative number, characterized in that for supporting a telephone call. The method of claim 7, wherein step (d) When the on-premises wireless switching device analyzes the called terminal setting state information corresponding to the extension number, and when the called terminal is identified as the wired terminal in the premises, the extension number is requested together with the call setting request to the premises wired switching device provided in the subsidiary. When the transmission is made and a response to the call establishment request is made from the wired switching device, the telephone incoming call service using the wireless representative number is characterized by supporting telephone calls between the subscriber and the external caller of the wired terminal. Way.

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