KR100367306B1 - Apparatus for separating and interfacing between wireless and wired communication network and method for processing a call thereof - Google Patents

Abstract

The present invention relates to a wired / wireless communication network disconnection apparatus and a call processing method according thereto, wherein the wired / wireless communication network disconnection apparatus is provided with a wired communication terminal and a wireless communication terminal or connected to each other in the wired / wireless communication network connection separating apparatus. Call detection means for detecting whether a call is received from the communication terminal; Incoming signal generation means for generating an incoming signal for notifying the incoming call and outputting the incoming signal to the wired communication terminal; Hook on / off detection means for detecting a hook on / off state of the wired communication terminal; Control means for establishing an incoming call in the wireless communication terminal as a call in accordance with the hook on / off state; And connection means for connecting and connecting the established call to the wired communication terminal. When requesting a call connection with the wired communication terminal by using the wireless communication terminal, the wireless communication is performed without using a wired communication network. It is a very useful invention to minimize the interface between the wired communication network and the wireless communication network by directly connecting the call connection using only the communication network, and by connecting the wireless received call to the wired communication terminal through the wireless communication terminal.

Description

Apparatus for separating and interfacing between wireless and wired communication network and method for processing a call

The present invention relates to a wired / wireless communication network disconnection apparatus and a call processing method thereof, and more particularly, when a call connection with a wired communication terminal is requested using a wireless communication terminal, such as a public switched telephone network (PSTN). The present invention relates to a wired / wireless communication network connection separating apparatus and a call processing method according to the present invention, in which a call connection is directly made using only a wireless communication network without using a communication network.

First, FIG. 1 illustrates a plurality of communication terminals connected to a general wired communication network and a wireless communication network, respectively. In the wired communication network, for example, a public switched telephone network (100), wired telephones (11, 14) and faxes (12) are shown. 15, and wired communication terminals such as personal computers (PCs) 13 and 16 with modems are connected and connected, and the wireless communication network, for example, code division multiple access (CDMA) Mobile communication network 200 using a mobile communication system (PCS) such as a personal communication service (PCS), a personal computer 24 equipped with a wireless modem, and a plurality of wirelines installed in a local area. Wireless communication terminals such as a wireless local loop (WLL) 22 connected to a communication terminal are connected to each other. A plurality of wired communication terminals and wireless communication terminals are connected to each other as described above. As shown in FIG. 1, a communication path for call connection and exchange between the wired communication terminal and the wireless communication terminal is formed between the wired communication network 100 and the wireless communication network 200 belonging to each other. Call connection and exchange between a wired communication terminal and a wireless communication terminal requiring connection use becomes possible.

For example, a call connection process for connecting a call to a wired telephone 11 connected to a public switched telephone network 100 using the mobile telephone 21 connected to the mobile communication network 200 will be described below. Same as

First, the mobile subscriber or any user enters a specific telephone number, for example, '02 -123-4567 'using the dial of the mobile telephone 21 connected to the mobile communication network 200, and then calls When the connection is requested, a call connection request signal including the specific telephone number is included in the mobile switching network (MSC) through a base station (BTS) and a base station controller (BSC) included in the mobile communication network 200. The MSC determines that the communication terminal requiring the call connection is a wired communication terminal connected to the public switched telephone network 100 based on the telephone number included in the call connection request signal. Done.

Accordingly, the MSC transmits a call connection request signal including the telephone number to the public switched telephone network 100 for the call connection with the wired communication terminal using the telephone number '02 -123-4567 '. It is transmitted to the switching center (SC) that is configured to include, the switching center (SC) is to perform a series of call connection and exchange operations such that the call connection with the specific wireline telephone 11 using the telephone number is made. Therefore, the wired telephone 11 is connected to the mobile telephone 21 requesting a call connection through the mobile switching network 200 and the public telephone switching network 100 to establish a call.

As described above, in order to use a mobile telephone to connect a call with a wired telephone, both the wireless communication network and the wired communication network must be used. Therefore, the user of the mobile telephone can simultaneously pay the telephone charges for using the wireless communication network and the wired communication network. There is a problem of paying unnecessary telephone charges, and in addition, it is necessary to negotiate the division of telephone fees between the wire carriers operating the wired communication network and the wireless carriers operating the wireless communication network. There was a problem caused.

Therefore, the present invention was created to solve the above problems, and when a call connection with a wired communication terminal is requested using a wireless communication terminal, the call connection is directly performed using only a wireless communication network without using a wired communication network. In addition, by providing a wired communication terminal by connecting and connecting a wirelessly received call through a wireless communication terminal, to provide a wired and wireless communication network connection separation device and a call processing method according to it can minimize the interface between the wired communication network and the wireless communication network. There is a purpose.

1 illustrates a plurality of communication terminals connected to a general wired communication network and a wireless communication network,

2 illustrates a configuration of a wired / wireless communication network disconnection apparatus according to the present invention,

3 illustrates a configuration of a wireless communication network to which a call processing method according to the present invention is applied,

4 illustrates a routing information table in a call transfer server (CRS) according to the present invention.

5 is a flowchart illustrating an operation of a call exchange method in a mobile switching center (MSC) according to the present invention;

6 is a flowchart illustrating an operation of a call processing method in an apparatus for disconnecting a wired or wireless communication network according to the present invention.

※ Explanation of code for main part of drawing

100: wired communication network 200, 400: wireless communication network

300: wired and wireless communication network connection separation device 21: mobile phone

31, 33, 34: signal matching section 32: selective connection section

35: DFM / hook detection unit 36: control unit

37: storage unit 38: call detection unit

39: call waiting / ring signal generation unit 40: wireless transmission and reception unit

41: base station 42: base station controller

43: mobile switch 44: call transfer server

45: mobile phone network

Wired and wireless communication network connection separating apparatus according to the present invention for achieving the above object, in the wired and wireless communication network connection separating apparatus provided or connected to a wired communication terminal and a wireless communication terminal, whether the call is received from the wireless communication terminal; Call detection means for detecting a; Incoming signal generation means for generating an incoming signal for notifying the incoming call and outputting the incoming signal to the wired communication terminal; Hook on / off detection means for detecting a hook on / off state of the wired communication terminal; Control means for establishing an incoming call in the wireless communication terminal as a call in accordance with the hook on / off state; And connecting means for connecting and connecting the opened call with the wired communication terminal.

In addition, the call processing method in the wired / wireless communication network connection separating apparatus according to the present invention, in the wired / wireless communication network connection separating apparatus provided with or connected to a wired communication terminal and a wireless communication terminal, when the call to the wireless communication terminal, Step 1 of notifying the call to the wired communication terminal; And establishing a call path between the wired communication terminal and the wireless communication terminal at the same time as establishing a call to the wireless communication terminal according to the hook-off of the wired communication terminal.

In addition, the call processing method in the call switching server according to the present invention, in the call processing method in the call switching server configured in the wireless communication network, when the call received by the mobile switch is a wired telephone, the transmission from the mobile switch Checking a wireline number included in the received routing information; And searching and reading the wireless telephone number set corresponding to the identified landline telephone number and transmitting the same to the mobile switcher.

In addition, a call processing method in a mobile switching system according to the present invention is a call processing method in a mobile switching device included in a wireless communication network. Transmitting the routing information included in the request information to the call transfer server; And routing information corresponding to the radio telephone number in the routing information received from the call transfer server, and performing two steps of wirelessly exchanging and processing the call through the corresponding base station controller.

Hereinafter, a preferred embodiment of a wired / wireless communication network disconnection apparatus and a call processing method according to the present invention will be described in detail with reference to the accompanying drawings.

2 shows a configuration of a wired / wireless communication network connection separating apparatus according to the present invention, wherein the wired / wireless communication network connection separating apparatus 300 is connected by wire connection with a wired communication network 100 such as a public switched telephone network (PSTN). And a wireless communication network 200, such as a mobile communication network using a code division multiple access (CDMA) scheme, is provided in the apparatus or wirelessly connected through a wireless transmission / reception unit (Unit) 40 connected to the apparatus. The configuration of the wire / wireless communication network connection separating apparatus may include: a first signal matching unit 31 connected to a wired communication terminal such as a personal computer (PC) equipped with a wired telephone, a fax machine, or a modem to match a signal on a communication path; A DFM / hook detector (35) for detecting a dual tone multiple frequency (DTMF) signal and a hook on / off state according to a dial input of the wired communication terminal; A selective connection unit 32 for selectively connecting a call connection with the wired communication terminal to a wired communication path using a wired communication network or a wireless communication path using a wireless communication network; A second signal matching unit 33 for matching a signal on a communication path between the selective connection unit 32 and a wired communication network; A third signal matching unit 34 for matching a signal on a communication path between the selective connection unit 32 and a wireless communication network; A call detection unit (38) for detecting a call connection and a call reception state with the wired or wireless communication network; A wireless transmission / reception unit 40 wirelessly connected to the wireless communication network; A call waiting / ring signal generation unit 39 for generating and outputting a ring signal or a call waiting signal for notifying call reception according to a hook on / off state of the wired communication terminal when a call is received by the wireless transmitting / receiving unit; Control unit 36 that controls the switching operation of the selective connection unit 32 and the call establishment of the wireless transmission / reception unit 40 according to the signal detected from the call detection unit 38 or the DFM / hook detection unit 35. ); And a storage unit 37 for storing and storing various data necessary for the control operation, wherein the wireless transmission / reception unit 40 is integrally included in a removable mobile phone or a wired / wireless communication network connection device. Can be.

3 illustrates an overall configuration of a wireless communication network to which a call processing method according to the present invention is applied, and the wireless communication network 400 includes a plurality of mobile phones described above with reference to FIGS. 1 and 2. A base station transceiver (BTS) 41 including wireless repeaters in an area in which (21a, 21b ... 21n) and a Separating Interfacing Device (SID) 300 are located; A base station controller (BSC) 42 for controlling the relay operation of the base station 41; A mobile switching center (MSC) 43 connected to the base station controller 42 to manage call exchange; A call routing server (CRS) providing wireless routing information corresponding to the wired request call so as to be able to transfer a wired request call to a radio request call through an interface with the mobile switch 43; And a mobile communication network 45 having a lower concept including another base station (BTS), a base station controller (BSC), and a mobile switching center (MSC), wherein the plurality of mobile telephones 21a, 21b ... 21n are included. And the wired / wireless communication network connection separating apparatus 300 are connected to the wireless communication network 400 configured as described above, and can establish a call connection and a call between each other.

On the other hand, in the call transfer server (CRS) 44, routing information for converting a wired request call to a radio request call through an interface with the mobile switch 43 is recorded in a table form. For example, as shown in FIG. 4, in the call transfer server 44, the wired telephone number TP_Ns received from the mobile switching center 43 and the wireless telephone number corresponding thereto. After retrieving the routing information table to which MP_Ns is associated, the routing information corresponding to the retrieved wireless telephone number MP_Ns is transmitted to the mobile switch 43, whereby the mobile switch 43 makes a wired request call. Is changed to a radio request call so that call exchange and call processing can be performed.

As described above, a call processing method in a mobile exchange that changes a wired request call to a wireless request call and exchanges and handles a call will be described in detail with reference to the accompanying drawings.

First, FIG. 5 is a flowchart illustrating an operation of a method of call exchange and call processing in a mobile switching center (MSC) according to the present invention. When a specific telephone number, for example, '02 -123-4567 'is input by using the dials of the telephones 21a, 21b ... 21n, and a call connection is requested, a call connection including the specific telephone number is included. The request signal is transmitted to the mobile switching center 43 through a base station (BTS) and a base station controller (BSC) included in the mobile communication network 400, and in the mobile switching center 42, a call is received from the base station controller BSC. Information to request an exchange is received (S10).

Accordingly, the mobile switch 43 searches and confirms routing information included in the received call exchange request information, that is, routing information corresponding to a telephone number for which call connection is requested (S11). It is determined whether the corresponds to the radio telephone number (S12).

As a result of the determination, when the confirmed telephone number corresponds to a wireless telephone number, a normal call exchange and call processing operation of exchanging a call is performed through a base station controller (BSC) included in the mobile communication network 400 ( S16), when the determination result, the confirmed telephone number corresponds to a landline telephone number, for example, when it corresponds to a landline telephone number such as '02 -123-4567 ', the landline telephone number '02- Routing information including 123-4567 'is transmitted to the call transfer server (CRS) 44.

Accordingly, as described above with reference to Fig. 4, the call transfer server 44 searches the routing information table that is recorded and managed, and establishes a wireless telephone number set in association with the landline telephone number '02 -123-4567 ', For example, after checking '011-765-4321', routing information including the same is transmitted to the mobile switch 43.

On the other hand, if the wired telephone number '02 -123-4567 'is not recorded and managed in the routing information table, the pre-qualified flag information is transmitted to notify this, or the null data is padded. Processing is then sent to the mobile switch 43.

Accordingly, the mobile switch 43 searches for the wireless telephone number after receiving the routing information transmitted from the call transfer server 44 (S14), when the wireless telephone number is confirmed to be searched. In S15, the landline telephone subscriber using the landline telephone number '02 -123-4567 'is subscribed to an additional service proposed by the present invention, that is, an additional service for calling a wired request call to a wireless request call. By discriminating, based on the confirmed wireless telephone number '011-765-4321', a wireless call exchange and call processing operation for exchanging a call through the base station controller BSC is performed (S16).

On the other hand, in the case where the pre-qualified flag information or null data is transmitted in a padded manner to inform that the wired telephone number is not recorded and managed in the routing information table, the wired telephone number '02 -123- ' Determine that the wireline subscriber using 4567 'is not subscribed to an additional service for transferring the wired request call to the wireless request call, and perform the normal wired call exchange and call processing operation through the public switched telephone network (100). (S17).

Accordingly, the mobile switch 43 performs a call switching operation of exchanging a call by selecting and changing a wired request call to a wireless request call through an interface with the call switching server 44. When the wireless call is received by the wireless transmission / reception unit 40 of the wired / wireless network disconnection connection device 300 by an operation, the wired telephone connected to the wireless transmission / reception unit 40 or the wired / wireless network disconnection connection device in a wired manner (TP). The call processing method in the wired / wireless communication network separating connection device for establishing a call through) will be described below in detail with reference to the accompanying drawings.

FIG. 6 is a flowchart illustrating a call processing method in the apparatus for disconnecting a wired / wireless communication network according to the present invention. When a call is received at the radio transceiver unit 40 described above with reference to FIG. 38 detects this, and outputs it to the control unit 36. The control unit 36 detects a call reception signal input from the call detection unit 38 (S30). Is not a signal received by the wireless transmitting / receiving unit 40 (S31), that is, when a call is received through the wired communication network 100, the control unit 36 controls the selective connection unit 32 to control the wired / wireless communication network. The call path is formed with the wired communication terminal connected to the connection separation device 300 by wire (S38), and when the detected call reception signal is a signal received by the wireless transmission / reception unit 40, wired or wireless Network connection minutes For connecting the connection wire communication device for example, by wire to the device 300, it will verify the hook ON / OFF states of the wired telephone (TP) (S32).

That is, the hook on / off of the wireline telephone TP is based on the hook on / off detection signal input from the DTF / hook detection unit 35 that detects the hook on / off state of the wireline telephone TP. If the state of the landline is a hook off state during a call, the call waiting / ring signal generation unit 39 is operated to control the state. Intermittent output to the incoming call waiting sound (S34).

On the other hand, when the state of the wired telephone is a hook on state waiting for a call, a ring signal indicating that a call has been received by the wireless transmission / reception unit by controlling the call waiting / ring signal generator 39. A, to be output as a ring tone to the landline telephone (TP) (S35).

Accordingly, when the user who uses the wired telephone is hooked off to open a call, the control unit 36 according to the hook-off detection signal detected by the DFM / hook detection unit 35. Then, it is confirmed that the landline phone is switched to the hook off state (S36),

Subsequently, the wireless transmission / reception unit 40 is operated to establish a call, and the switching operation of the selective connection unit 32 is controlled to form a call path with the wired telephone (S37). The call established in the wireless transmission / reception unit 40 is connected to a wired telephone.

Therefore, when a call is received by the wireless transmission / reception unit 40, a ringing tone is output to a wired telephone connected to the wired / wireless communication network connection separating apparatus 300 by wire, and when a hook-off of the wired telephone is turned off, a call is opened. At the same time, a call route is formed to enable a telephone call using the wired telephone.

Above, preferred embodiments of the present invention described above are disclosed for the purpose of illustration, those skilled in the art will be able to change, replace or add through the spirit and scope of the present invention disclosed in the appended claims.

The wired / wireless communication network connection separating apparatus and the call processing method according to the present invention constituted and constructed as described above, when the call connection with the wired communication terminal is requested using the wireless communication terminal, does not use the wired communication network. In addition, the call connection is made directly, and by connecting and connecting the wirelessly received call to the wired communication terminal through the wireless communication terminal, it is possible to minimize the interface between the wired communication network and the wireless communication network, It is a very useful invention that can greatly reduce the telephone charges caused by the interface and the telephone bill splitting dispute between the wire carrier and the wireless carrier, as well as provide convenience of the call.

Claims (11)

delete delete delete delete delete A call processing method in a call switching server included in a wireless communication network, If the call received by the mobile exchange corresponds to a landline, a first step of confirming the landline number included in the routing information received from the mobile exchange; And If the identified landline telephone number is a landline telephone number of a subscriber who has subscribed to a call transfer additional service, a step of searching for and reading a wireless telephone number set corresponding to the landline telephone number and transmitting the same to the mobile switch is performed. Call processing method in the call conversion server, characterized in that. The method of claim 6, In step 2, when the wireless telephone number corresponding to the identified wireline telephone number is not retrieved, identification information for informing this is generated and transmitted to the mobile switching server. . The method of claim 6, The call transfer method of the call transfer server, characterized in that the database in the form of a table records the radio telephone number corresponding to the landline telephone number of the subscriber subscribed to the call transfer additional service. In the call processing method in the mobile switching system included in the wireless communication network, If the call exchange request information received from the base station controller corresponds to a wired telephone, transmitting the routing information included in the call exchange request information to a call switching server; And When the routing information received from the call transfer server includes routing information corresponding to the radio telephone number, the mobile switching system comprises two steps of exchanging and processing the call wirelessly through the corresponding base station controller. How to handle calls. The method of claim 9, In the step 1, if the call exchange request information received from the base station controller corresponds to a wireless telephone, the call processing method of the mobile switching center, characterized in that for performing the call exchange and processing wirelessly through the base station controller. The method of claim 9, Wherein the step 2, if the routing information received from the call transfer server, the routing information corresponding to the radio telephone number, the mobile switching exchange comprises a call exchange and processing through a wired communication network comprises a Call handling in.