KR100537694B1 - Method and system for providing multi access functions to a cell phone connected with a personal digital assistant using one directory number - Google Patents

Abstract

The present invention relates to a method and system for providing a one-number service that supports a multi-access function using a single phone number for a PDA and a mobile phone in an exchange in a mobile communication network managing a mobile phone combined with a personal digital assistant (PDA). . The method for providing a one-number service according to the present invention comprises the steps of receiving a visitor registration signal from a mobile phone to which a PDA is coupled, entering a service area of an exchange, and receiving a call location information request signal including telephone number information from a visitor location register (VLR). Or transmitting to a home location register (HLR), receiving two temporary mobile station identifier (TMSI) numbers generated corresponding to telephone number information from the VLR or HLR, and making a call to a mobile phone to which the PDA is coupled. Or identifying the mobile phone or PDA using two TMSI numbers for the incoming call, wherein the mobile phone operates as the last terminal for the circuit switched call established between the mobile phone to which the PDA is coupled and the switch. Or the PDA acts as the last terminal for a packet switched call, or two sets established by a circuit switched call and a packet switched call. Using the channel characterized in that the mobile telephone to call the PDA is coupled with a multi-call mode.

Description

Method and system for providing multi access functions to a cell phone connected with a personal digital assistant using one directory number}

The present invention relates to a method and system for providing a multi-access function using a single phone number to a mobile phone to which a personal digital assistant is combined.

In general, mobile phones support only voice calls between people, so they are simply used to call the phone number. On the other hand, with the development of technology in the field of electronic communication, mobile phones support various call modes. That is, the calling terminal and the called terminal can talk in various call modes. Call modes include, for example, voice calls, video calls, chats, data communications, and the like.

As such, recent mobile phones have two types of communication functions: circuit switched and packet switched. An example of such a mobile phone is the mobile phone FOMA, which is currently used in Japan. Forma's circuit-switched system handles data such as televisions and phones at up to 64kb / sec as well as voice calls. The packet exchange system processes packet data such as i mode at a maximum of 384 kb / sec. As such, Forma has a multi-access function that can simultaneously process circuit switched data and packet switched data by implementing both circuit switched and packet switched functions.

By using the multi-access function of Forma, the use of a mobile phone can be greatly expanded since data communication can be performed at the same time. For example, you can connect your laptop and cell phone to meet with other employees in your company on the outside, and you can talk on the phone while looking at the same site over the Internet. You can also talk with your friends on your cell phone and schedule your weekend trips with the I-mode while viewing the same sites as your friends. In this way, the Forma is able to set up multiple data channels simultaneously with one terminal as terminal functions are improved.

Multi-access is basically handled in the core network combined with the mobile switching system. The structure is as follows. As shown in FIG. 1A, the terminal first transmits several different control signals to the radio control station using the same control channel. The radio control station has a function of dividing each signal into a circuit control section and a packet control section of a switching station when the circuit switching and packet switching control signals are mixed. Each control unit secures a data channel with a terminal for transmitting and receiving actual data while receiving a control signal. In this way, circuit-switched data and packet-switched data can be transmitted simultaneously over multiple channels. That is, it is possible to secure several channels simultaneously with one terminal.

Multi-access can receive a new incoming call without interruption if there is an incoming call of packet data during a voice call. In general, upon receiving a packet incoming request, the packet controller first transmits a 'paging signal' indicating that the terminal has received an incoming call. This signal is sent to all terminals in the area where the terminal is located. In general, a paging signal is transmitted on a paging channel, which is a dedicated wireless channel, during packet reception. However, the situation is different if you are in a multi-access voice call. That is, as shown in FIG. 1B, the wireless control station searches for the corresponding terminal, transmits a paging signal to the terminal using a preset control channel, and notifies the arrival of a packet. Subsequently, a packet data channel is newly set up while transmitting and receiving a call setup signal for a packet using a communication control channel. In this way, multi-access is possible, which enables packet data communication while making a voice call.

However, in order to use the multi-access function, the user must purchase and use a mobile terminal that supports the multi-access function such as the above-mentioned poma or another new mobile phone, PDA phone or smart phone. In other words, the user has to pay a high cost to purchase a mobile terminal having at least multi-access capability. In addition, since the aforementioned multi-access function is actually supported only in the latest models of mobile terminals, a user having a mobile phone such as an old mobile phone or a personal information terminal such as an old PDA cannot use such a new communication service. In other words, most information communication devices that are currently in widespread use do not support the multi-access function, and thus users cannot use such services. Therefore, if there is a system or method that supports a multi-access function by using an existing information communication device, a great response will be obtained to the users of the existing information communication device.

SUMMARY OF THE INVENTION An object of the present invention is to provide a method and system for providing a one-number service that allows a subscriber having a mobile phone and a personal digital assistant to simultaneously use a circuit switched call and a packet switched call using one telephone number.

Another object of the present invention is to register and manage the subscriber's mobile phone and PDA with a single phone number in a service providing system including an exchange, an HLR, and automatically distinguishes a circuit switched call and a packet switched call so that the subscriber calls in a multi-call mode. It is to provide a one-number service providing method and system for performing call setup.

In order to achieve the above object, according to an aspect of the present invention, in a switchboard in a mobile communication network that manages a mobile phone to which a personal digital assistant (PDA) is coupled, the PDA and the mobile phone are multiplied using one telephone number. A method for providing a one-number service supporting an access function, the method comprising: receiving a visitor registration signal from a mobile phone to which the PDA entering a service area of the exchange is coupled, wherein the visitor registration signal is the PDA and the mobile phone; Including telephone number information corresponding to, transmitting a called location information request signal including the telephone number information to a visitor location register (VLR) or a home location register (HLR), two temporary from the VLR or the HLR. Receiving a Temporary Mobile Station Identity (TMSI) number, wherein the two TMSI numbers are Correspond to telephone number information, and for the outgoing call from the mobile phone to which the PDA is coupled or the incoming call to the mobile phone to which the PDA is coupled, the mobile phone or the PDA as an outgoing terminal or a destination terminal. Identifying using the two TMSI numbers, wherein the call is set to any one of a voice call, an AMR (Adaptive MultiRate Call), and a circuit switched call established between the mobile telephone to which the PDA is coupled and the switch. Wherein the mobile phone operates as the originating terminal or the called terminal, and the PDA operates as the calling terminal or the called terminal for a packet exchange call established between the mobile telephone to which the PDA is coupled and the switch. It is possible to provide a one-number service providing method characterized in that.

According to another aspect of the present invention, a one-number service supporting a multi-access function by using a single phone number for the PDA and the mobile phone in an exchange in a mobile communication network managing a mobile phone to which a personal digital assistant (PDA) is coupled; A providing method, comprising: receiving a visitor registration signal from a mobile phone to which the PDA entering a service area of the exchange is coupled, wherein the visitor registration signal includes telephone number information corresponding to the PDA and the mobile phone; Transmitting a called location information request signal including the telephone number information to a visitor location register (VLR) or a home location register (HLR); and two temporary mobile station identifiers (TMSI) from the VLR or the HLR. Identity) receiving a number, wherein the two TMSI numbers correspond to the telephone number information, and Identifying the outgoing call from the mobile phone to which the PDA is coupled or the incoming call to the mobile phone to which the PDA is coupled, identifying the mobile phone or PDA as an outgoing terminal or called terminal using the two TMSI numbers; The mobile telephone to which the PDA is coupled comprises: making a call in a multi-call mode by using a channel set by at least two of a voice call, a circuit switched call, an AMR (Adaptive MultiRate Call), and a packet switched call. It is possible to provide a one-number service providing method characterized in that.

In a preferred embodiment, the method for providing a one number service according to the present invention further comprises the step of the VLR or the HLR determining whether the telephone number information is combined with two TMSI numbers.

In addition, the method for providing a one number service according to the present invention further comprises the step of determining whether the VLR or the HLR is active in the mobile phone and the PDA corresponding to the two TMSI numbers, respectively. It is done.

In addition, the method of providing a one-number service according to the present invention is characterized in that the VLR or the HLR further comprises the step of identifying the mobile phone and the PDA corresponding to the two TMSI numbers, respectively, according to priority.

In addition, the two TMSI numbers are registered in the subscriber DB at the time of service subscription, and transmitted from the subscriber DB to the HLR.

The circuit-switched call processing function or the packet-switched call processing function for the last terminal or the basic terminal as the calling terminal or the called terminal is set in at least one of the mobile phone and the PDA.

In addition, the PDA and the mobile phone is characterized in that coupled by at least one of the combination method of direct connection, cable connection, wireless connection.

According to another aspect of the present invention, a one-number service supporting a multi-access function using a single phone number for the PDA and the mobile phone in a mobile communication network managing a mobile phone to which a personal digital assistant (PDA) is coupled; A providing system, comprising: a program stored in a memory and a processor coupled to the memory to perform the program, wherein the processor is coupled to the mobile phone to which the PDA entering the service area of the exchange is coupled by the program. Receive a visitor registration signal from the visitor registration signal, wherein the visitor registration signal includes phone number information corresponding to the PDA and the mobile telephone; and sends a called location information request signal including the phone number information to the visitor location register (VLR). Or transmit to a home location register (HLR), two from the VLR or the HLR. Receive a Temporary Mobile Station Identity (TMSI) number, wherein the two TMSI numbers correspond to the telephone number information, and an outgoing call from a mobile phone to which the PDA is coupled or the PDA The incoming call to the combined mobile phone is identified using the two TMSI numbers of the mobile phone or the PDA as the calling terminal or the called terminal, and the voice set between the mobile phone to which the PDA is coupled and the switch. The mobile phone acts as the originating terminal or the called terminal for any one of a call, an adaptive multirate call, and a circuit switched call, and is set up between the mobile phone to which the PDA is coupled and the switch. When providing the one number service, the PDA operates as the originating terminal or the called terminal for a packet switched call. The system can provide.

According to another aspect of the present invention, a one-number service supporting a multi-access function using a single phone number for the PDA and the mobile phone in a mobile communication network managing a mobile phone to which a personal digital assistant (PDA) is coupled; A providing system, comprising: a program stored in a memory and a processor coupled to the memory to perform the program, wherein the processor is coupled to the mobile phone to which the PDA entering the service area of the exchange is coupled by the program. Receive a visitor registration signal from the visitor registration signal, wherein the visitor registration signal includes phone number information corresponding to the PDA and the mobile telephone; and sends a called location information request signal including the phone number information to the visitor location register (VLR). Or transmit to a home location register (HLR), two from the VLR or the HLR. Receive a Temporary Mobile Station Identity (TMSI) number, wherein the two TMSI numbers correspond to the telephone number information, and an outgoing call from a mobile phone to which the PDA is coupled or the PDA For the incoming call to the combined mobile phone, the mobile phone or the PDA as the calling terminal or the called terminal is identified using the two TMSI numbers, wherein the mobile phone to which the PDA is combined is a voice call, a circuit switched call, an AMR. It is possible to provide a one-number service providing system, characterized in that a call is made in a multi-call mode using a channel set by at least two calls of an adaptive multirate call and a packet switched call.

Next, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 schematically illustrates a network configuration for applying a service (one number service) to provide a multi-access function using a single phone number to a mobile phone to which a personal information terminal is combined according to an exemplary embodiment of the present invention. The figure shown.

Referring to FIG. 2, the network configuration for the one-number service according to the present invention includes a mobile telephone 201 coupled with a personal digital assistant (PDA) 203 and an exchanger 207 coupled with a base station 205. Communication network 209 including a public switched public network (PSTN) 225 and the Internet 221, a mobile switching system and a core network, and a home location register (HLR) 219 coupled to the communication network 209; Include. In addition, the network configuration for the one-number service according to the present invention is a smart phone 211, PDA phone 213, the exchange 217 combined with the base station 215, the Internet 221 and the general public switched network 225 It may further include a computer terminal 223 and a wired terminal 227 respectively coupled to the communication network 209.

The personal digital assistant (PDA) 203 includes a portable terminal integrating an information processing function and a wireless communication function in a size that can be carried by one hand. For example, the PDA 203 includes a so-called PDA phone. When the PDA 203 is used, various office programs such as Korean, Word, and Excel can be used while moving, and wireless Internet such as Internet connection and e-mail checking can be used. Further, the PDA 203 has its wireless communication function turned off for one number service. That is, in the present invention, the PDA 203 is basically directly connected to the mobile phone 201 described below with the wireless communication function turned off, or is connected to a wired connection method such as a cable or a wireless connection method such as infrared or Bluetooth. .

The mobile telephone 201 includes a portable terminal that is equipped with a wireless access function and does not support a multi-access function. The mobile telephone 201 also includes a so-called smartphone equipped with an information processing function together with a wireless connection function. In particular, the mobile telephone 201 according to the present invention is coupled to the PDA 203 in a wired or wireless connection manner. At this time, the packet switched call function of the mobile telephone 201 is turned off. And the packet switched call function of the PDA 203 combined with the mobile phone 201 is ON. Therefore, the mobile phone 201 and the PDA 203 transmit and receive line data and packet data, respectively, via a circuit switched channel and a packet switched channel between the mobile telephone 201 and a wireless control station such as the switch 207. .

In a mobile phone combined with a PDA, when the PDA itself does not have a wireless communication function, but the wireless communication function is used by a mobile phone, when the packet switched call is connected to the PDA, the circuit switched call processing function is set to ON and the packet switched The call processing function is set to OFF. On the other hand, when the PDA is coupled to the cellular phone, the circuit switched call processing function or the packet switched call processing function may be set to OFF in the cellular phone and to ON in the PDA. On the other hand, when the PDA is equipped with a wireless communication function, the circuit switched call processing function and packet switched call processing function including the AMR call of the cellular phone can be set to OFF, and the function can be set to ON in the PDA.

For example, if a PDA is connected to a cellular phone while the circuit switched call (CS call) function of the cellular phone is set to ON and the packet switched call (PS) function is set to ON, the PS of the cellular phone is controlled by the cellular phone or the PDA. Set the call function to OFF and the PDA PS function to ON. The PDA is then connected to the PS call via a mobile phone. Through the above process, the PDA executes various mails, the Internet, and various document creation programs. Circuit-switched call processing and packet-switched call processing are controlled ON / OFF by a mobile phone or a PDA, respectively.

In the present invention, the exchange 207 is referred to as one of the radio control stations. Exchange 207 also includes a visitor location register (VLR). The exchanger 207 is installed in the mobile switching system, exchanges control signals with the mobile telephone 201 to which the PDA 203 is coupled, sets up a circuit switching channel and a packet switching channel according to the control signal, respectively, and the HLR. The mobile phone combined with the PDA 203 is connected to the mobile phone 201 through a mobile station identifier such as a Temporary Mobile Station Identity (TMSI) or an Electronic Serial Number (ESN). PDA 203 is identified. In this specification, the description will be made based on TMSI.

The home location register (HLR) 219 obtains service subscription information registered by the service subscriber from the subscriber database (DB). The service is set for the subscriber based on the service subscription information. Through this process, the HLR 219 includes service setting information for the one number service according to the present invention. In addition, the HLR 219 identifies the destination terminal corresponding to the corresponding TMSI number according to the request of the destination location information of the exchanges 207 and 215, and transmits the information along with the destination location information to the exchange.

As such, the one-number service according to the present invention receives a visitor registration signal from a mobile phone to which a PDA is coupled, which enters the service area of the exchange, and receives a caller location information request signal including telephone number information from the visitor location register (VLR). Or transmit to a home location register (HLR), receive two temporary mobile station identifier (TMSI) numbers generated corresponding to telephone number information from the VLR or HLR, and make an outgoing call to a mobile phone to which the PDA is coupled, or For the incoming call, the mobile phone or PDA is identified using two TMSI numbers, and the mobile phone acts as an end terminal for the circuit switched call established between the mobile phone and the exchange to which the PDA is coupled, A mobile device that acts as an end station for a PDA or is a PDA combined using two channels established by circuit switched and packet switched calls. It characterized by angry calls to the multi-currency mode.

3 is a signal flowchart schematically showing a subscription procedure of a one number service according to an embodiment of the present invention.

Referring to FIG. 3, when a subscriber subscribes to a service by connecting to a call center, an answering machine, a web server, or a WAP server through a wired or wireless telephone or a computer terminal, the subscriber's service is provided. Subscription information is stored in the subscriber DB (step 301). Here, the call center, the answering machine service system, the web server and the swap server are used as a window for receiving the subscription of the one number service according to the present invention.

The subscriber DB, which has obtained the service subscription information from the subscriber, transmits the service subscription information to the HLR. It is forwarded to the HLR as a message requesting the subscriber to subscribe to the service (step 303). Thereafter, the HLR sets up the service in a predetermined manner. In other words, in the present invention, the HLR stores two pieces of mobile terminal information corresponding to one telephone number in predetermined memory locations, respectively (step 305). The HLR then sends a service setup completion message to the subscriber DB as necessary (step 307).

 Meanwhile, the one-number service according to the present invention may be performed because the subscriber selects a specific telephone number button, a service button, or a service menu for subscribing to the service through a PDA or a mobile phone. In this case, the subscriber can use the mobile phone and the PDA independently and use the one number service according to the present invention by combining the PDA with the mobile phone as necessary.

4A is a signal flowchart schematically illustrating a terminal registration procedure according to entry into a mobile communication service area according to an embodiment of the present invention. In addition, Figure 4b is a view for explaining the terminal registration procedure according to the entry into the mobile communication service area according to an embodiment of the present invention.

4A and 4B, when the mobile phone 421 to which the PDA 423 is coupled enters the service area 429 that the specific base station 427 is responsible for, the mobile phone 421 indicates its presence. The visitor location register (VLR) is informed (step 401). The VLR 425 sends the visit registration information of the mobile phone 421 to the HLR 431 (step 403). At this time, the VLR 425 transmits, for example, the telephone number of the mobile phone 421 to the HLR 431. This is for explaining the case where the subscriber is set to perform the service for the telephone number of his mobile phone when subscribing to the service. Of course, in addition to the telephone number of the mobile telephone, an electronic serial number of the mobile telephone and the like can be used.

The HLR 431, which has received the visit registration information of the mobile phone 421 to which the PDA 423 is coupled, searches for the service setting set in the visit registration terminal 421 at predetermined memory locations R1 and R3 of the database. (Step 405). At this time, the memory location (R1, R3) is stored in the TMSI number according to the service setting of the subscriber, respectively. The HLR 431 extracts two TMSI numbers corresponding to the visited registration terminal 421 from the retrieved service setting information (step 407). Here, the two TMSI numbers are temporary mobile station identification numbers set corresponding to the mobile phone 421 and the PDA 423 included in the service subscription information received by the HLR 431 from the subscriber DB.

The HLR 431 transmits the extracted two TMSI numbers to the VLR 425 of the corresponding exchange (MSC) (step 409). The two TMSI numbers are stored (step 411) in predetermined memory locations R3 and R4 of the VLR 425, respectively, and the exchange MSC stores the mobile phone 421 and the PDA 423 with respective TMSI numbers, respectively. Identify and manage.

Meanwhile, in the present invention, regardless of a state in which a PDA or a mobile phone is registered in the VLR or one of the two mobile terminals is registered in the VLR using a specific service shortcut for the one-number service, the PDA or the mobile phone are not coupled to each other. Mobile phones combined with PDAs can have their presence registered with the corresponding VLR and HLR via a TMSI number.

5 to 8 are signal flow diagrams illustrating a signal processing procedure of a one number service according to an embodiment of the present invention.

First, a case in which a mobile telephone combined with a PDA, which has subscribed to the one number service according to the present invention, makes a first call.

Referring to FIG. 5, when a mobile phone combined with a PDA enters a service area of a base station in charge of a specific area, the mobile phone registers its presence in the visitor location register (VLR). The visitor location register then links with the home location register (HLR) to upgrade the current mobile phone's registration information. That is, when the mobile phone is subscribed to the one-number service, the HLR extracts the TMSI number of the mobile phone for the circuit switched call and the TMSI number of the PDA for the packet switched call from the service setting information of the registration terminal, respectively. Is registered (step 501).

Any first originating terminal then sends a first call connection request signal to the originating exchange (MSC) (step 503). Here, the first call connection request signal includes a calling terminal identifier corresponding to the first calling terminal and a called terminal identifier corresponding to the called terminal. In this specification, the calling terminal identifier includes the telephone number of the calling terminal, and the called terminal identifier includes the telephone number of the mobile phone to which the PDA is coupled as the called terminal.

The originating exchange sends a called location information request message LocReq to the HLR for call connection to the called terminal (step 505). The HLR retrieves the destination location information corresponding to the called phone number from the database. The HLR then sends the called location information corresponding to the called phone number to the calling exchange (step 507). The calling exchange then sends a call establishment message, such as an Initial Address Message (IAM), to the called exchange to the called exchange (step 509). The called exchange sends a response message to the calling exchange, such as an Address Complete Message (ACM), to the calling exchange to the calling exchange (step 511).

Thereafter, the called side exchange drives the control unit in accordance with the call mode of the call. For example, if the call is a circuit switched call, the circuit controller is driven. If the call is a packet switched call, the packet controller is driven. That is, the called side exchange identifies the mobile telephone or PDA as the called terminal according to the mode of the call (step 513). In other words, if the call requested to be connected is a circuit switched call, the mobile phone is identified as the called terminal, and if it is a packet switched call, the PDA is identified as the called terminal. The called side exchange then calls the corresponding called terminal identified (step 515). When the called terminal answers the call (step 517), a call path is established between the calling terminal and the called terminal, and the calling terminal and the called terminal make a call (first call) using the call path (step 519). .

Next, the case where the mobile telephone combined with the PDA makes the first call will be described.

Referring to FIG. 6, first, similar to step 501 of FIG. 5, the mobile phone is registered with the VLR and the HLR of the corresponding service area (step 601). The mobile phone then sends a first 'call connection request signal to the calling exchange (step 603). The calling exchange identifies the mobile phone or PDA as the calling terminal from the visitor registration information of the mobile phone (step 605).

Thereafter, the calling side exchange performs a call setup procedure according to the first 'call connection request signal. For example, in case of a circuit switched call, the originating exchange may establish a call in association with the HLR and the destination exchange or IWF (Inter Working Function), and in the case of a packet switched call, a packet data serving node (PDSN) and a packet data gateway (PDGN). Node), IWF, IP, etc. to set up the call. In this embodiment, a case where the calling exchange establishes a call through the HLR and the called exchange will be described as an example.

Upon receiving the first call connection request signal from the mobile phone, the calling exchange sends a called location information request message (LocReq) to the HLR and receives the response (step 607, step 609). The originating exchange having obtained the called location information from the HLR transmits a call setup message such as an initial address message (IAM) to the called exchange (step 611) and receives the response message (ACM) (step 613). The called party exchange calls the first called terminal (step 615). When the first called terminal answers (step 617), a call path is established between the calling terminal and the first called terminal, and the calling terminal and the first called terminal make a call (first call) using the call path ( Step 619).

The following describes the second incoming or second outgoing call processing procedure of the mobile phone with PDA according to the present invention following the signal processing procedure of FIG. 5 or 6 described above with reference to FIGS. 7 and 8.

First, consider a case where a subscriber receives an e-mail from any user, for example, while a mobile phone combined with a PDA is busy. Such a case will be described with reference to FIG. 7.

Referring to FIG. 7, first, a control channel is formed between the mobile telephone to which the PDA is connected for the first call or the first 'call of FIG. 5 or FIG. 6 and the called party exchange (step 701). In the first call between the mobile phone or the first 'call state between the mobile phone and the first called terminal (step 703), the calling exchange receives a second call connection request signal from any second calling terminal (step 703). 705). The calling exchange obtains the called location information from the HLR (step 707, step 709), sends a call setup message to the called exchange and receives a response message (step 711, step 713).

Thereafter, the called side exchange exchanges the control signal for call setup according to the second call connection request signal to the control channel which is already formed between the called side exchange and the mobile phone for call setup according to the second call connection request. (Step 715). The called side exchange then establishes a new channel according to the second call connection request signal with the mobile telephone (step 717). Through the above process, the second calling terminal and the mobile phone make a second call through the new channel. As such, the mobile phone to which the PDA according to the present invention is coupled may make a second call in the first call or the first 'call state. In this case, the first call or the first call and the second call may use calls of different modes. For example, the first call or the first 'call may use a circuit switched call and the second call may use a packet switched call. That is, you can receive e-mails from your PDA while making video calls with your mobile phone.

Next, when the mobile phone combined with the PDA is busy, for example, the subscriber may wish to use the wireless Internet through the PDA. Such a case will be described with reference to FIG. 8.

Referring to FIG. 8, first, a control channel is established between the mobile telephone to which the PDA is coupled for the first call or the first 'call of FIG. 5 or FIG. In the first call between the mobile phone or the first 'call state between the mobile phone and the first destination terminal (step 803), the subscriber establishes a call to the wireless Internet service provider to the calling exchange through a PDA coupled to the mobile phone. Requires. In fact, the call establishment request is performed through a procedure in which the PDA and the originating exchange (the destination exchange in FIG. 5) exchange call establishment signals over a preset control channel for the first call or the first 'call (step 805). . The packet data channel is then established by the control signal exchange between the PDA and the originating exchange (step 807).

Thereafter, the calling exchange performs call setup to the called terminal / server using the called telephone number or URL received from the PDA. For example, a signal processing procedure for a packet data call is performed through a router, a switch, a network interworking device, and a packet data exchange network (PDSN). In this embodiment, a process of establishing a packet data call through the HLR and the destination exchange will be described.

Referring back to FIG. 8, the calling exchange obtains called location information from the HLR (step 809, step 811), sends a call setup message to the called exchange and receives a response message (step 813, step 815). The called party exchange calls the second destination terminal and receives a response signal (step 817, step 819). Due to the response of the second called terminal / server, a call path is established between the PDA and the second called terminal / server, and the PDA and the second called terminal / server make a call (third call) using the call path (step 3). 821). Through the above process, the mobile phone combined with the PDA according to the present invention can make a third call in the first call or the first 'call state. In this case, the first call or the first call and the third call may use calls of different modes. For example, the first call or the first 'call may use a circuit switched call and the third call may use a packet switched call. That is, the wireless Internet can be used by using a PDA while making a phone call with a mobile phone.

As such, a mobile phone coupled to a PDA in accordance with the present invention may receive a call from any third party originating terminal or request a call to any third party terminating terminal in a busy state. At this time, the exchange managing the mobile phone combined with the PDA identifies the terminal according to the TMSI number of the mobile telephone or PDA, and then performs a call connection procedure to or from the terminal. At this time, the exchange identifies a mobile telephone and a PDA with one telephone number and connects a circuit switched call and a packet switched call.

In addition, when receiving or originating a second or third call connection request during the first call or the first 'call, the exchange is configured to establish a new channel through the control channel previously set up for the first call or the first' call. Exchange control signals. Through this process, a mobile phone combined with a PDA can implement a multi-access function with one phone number.

9 is a flowchart schematically illustrating a one-number service providing procedure according to another embodiment of the present invention. In the present embodiment, the service procedure in the home location register will be described.

9, the home location register (HLR) receives a called location information request signal for a specific called phone number from the calling exchange (step 901). The HLR first determines whether the incoming telephone number received is associated with two TMSI numbers (step 903). As a result of the determination, if the called telephone number is combined with the two TMSI numbers, it is checked whether the terminal corresponding to the two TMSI numbers is active (step 905). As a result of the check, when the terminals corresponding to the two TMSI numbers are both active, the terminal having the priority is identified as the called terminal (step 907). For example, a mobile telephone processing a circuit switched call (CS call) including a voice call is set to a first priority and a packet switched call (PS call) is set to a second priority. The called location information is transmitted to the calling exchange (step 913). At this time, the identified TMSI number may be transmitted together with the calling exchange.

On the other hand, if the incoming telephone number is not associated with two TMSI numbers in step 903 above, i.e. not subscribed to the One Number service according to the present invention, or if the service setting is OFF, the HLR is After transmitting routing information request messages to a plurality of destination side exchanges in the same manner as the destination location information procedure of, the location information of the destination terminal corresponding to the destination telephone number is obtained from a specific destination side exchange, and the destination location information is transferred to the source side exchange. (Step 909, step 913).

On the other hand, if neither of the terminals corresponding to the two TMSI numbers are active at step 905 above, the HLR sends a routing information request message to the plurality of destination exchanges, and then the active destination terminal of the active destination terminal from the specific destination exchange. The location information is obtained and the called location information is transmitted to the calling exchange (steps 911 and 913).

Through the above process, the exchange managing mobile phone combined with PDA not only establishes CS and PS calls by identifying mobile phones and PDAs in the exchange itself, but also works with HLR and identifies mobile phones and PDAs more effectively by identifying CS calls. And PS number can be set.

The present invention is not limited to the above embodiments, and many variations are possible by those skilled in the art within the spirit of the present invention.

According to the present invention, a subscriber having an existing mobile phone and a personal digital assistant (PDA) can simultaneously use a circuit switched call and a packet switched call using a single phone number assigned to a mobile phone combined with a PDA.

According to the present invention, in a service providing system including an exchanger, an HLR, and the like, a subscriber's mobile phone and PDA are registered and managed by one phone number, and the circuit switched call and packet switched call are automatically identified and divided into the corresponding mobile phone or PDA. By providing an accessing service, subscribers can talk in multiple call mode using a single phone number to a mobile phone combined with a PDA.

1A and 1B are signal flow diagrams for explaining the multi-access function of a conventional mobile phone.

FIG. 2 is a service for providing a multi-access function using a single phone number to a mobile phone to which a personal information terminal is coupled according to an exemplary embodiment of the present invention (hereinafter referred to as 'one number service'). A schematic representation of the network configuration.

3 is a signal flow diagram schematically illustrating a subscription procedure of a one number service according to an embodiment of the present invention.

4A is a signal flow diagram schematically illustrating a terminal registration procedure according to entry into a mobile communication service area according to an embodiment of the present invention.

Figure 4b is a view for explaining a terminal registration procedure according to the mobile communication service area entry according to an embodiment of the present invention.

5 to 8 are signal flow diagrams illustrating a signal processing procedure of a one number service according to an embodiment of the present invention.

9 is a flowchart schematically illustrating a one-number service providing procedure according to another embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

201: Mobile Phone 203: PDA (Personal Digital Assistant)

205: base station 207: exchange (MSC)

209: Communication network 219: HLR (Home Location Register)

Claims (10)

Claims [1] A method for providing a one number service supporting a multi-access function using a single phone number for the PDA and the mobile phone in an exchange in a mobile communication network managing a mobile phone combined with a personal digital assistant (PDA), Receiving a visitor registration signal from a mobile phone to which the PDA entering the service area of the exchange is coupled, wherein the visitor registration signal includes telephone number information corresponding to the PDA and the mobile phone; Transmitting a called location information request signal including the telephone number information to a visitor location register (VLR) or a home location register (HLR); Receiving two Temporary Mobile Station Identity (TMSI) numbers from the VLR or the HLR, wherein the two TMSI numbers correspond to the telephone number information; And Identifying the outgoing call from the mobile phone to which the PDA is coupled or the incoming call to the mobile phone to which the PDA is coupled, identifying the mobile phone or PDA as an outgoing terminal or called terminal using the two TMSI numbers; Steps to Including but not limited to: The mobile phone operates as the calling terminal or the called terminal for any one of a voice call, an AMR call (Adaptive MultiRate Call), and a circuit switched call set up between the mobile phone to which the PDA is coupled and the switching device; And the PDA acts as the originating terminal or the called terminal for a packet switched call established between the mobile telephone to which the PDA is coupled and the switch. One number service providing method characterized in that. Claims [1] A method for providing a one number service supporting a multi-access function using a single phone number for the PDA and the mobile phone in an exchange in a mobile communication network managing a mobile phone combined with a personal digital assistant (PDA), Receiving a visitor registration signal from a mobile phone to which the PDA entering the service area of the exchange is coupled, wherein the visitor registration signal includes telephone number information corresponding to the PDA and the mobile phone; Transmitting a called location information request signal including the telephone number information to a visitor location register (VLR) or a home location register (HLR); Receiving two Temporary Mobile Station Identity (TMSI) numbers from the VLR or the HLR, wherein the two TMSI numbers correspond to the telephone number information; And Identifying the outgoing call from the mobile phone to which the PDA is coupled or the incoming call to the mobile phone to which the PDA is coupled, identifying the mobile phone or PDA as an outgoing terminal or called terminal using the two TMSI numbers; Steps to Including but not limited to: The mobile phone to which the PDA is coupled is a one-numbered call using a channel established by at least two of a voice call, a circuit switched call, an AMR call (Adaptive MultiRate Call), and a packet switched call. How we deliver the service. The method according to claim 1 or 2, Determining by the VLR or the HLR whether the telephone number information is associated with two TMSI numbers One number service providing method characterized in that it further comprises. The method according to claim 1 or 2, Determining, by the VLR or the HLR, whether the mobile phone and the PDA corresponding to the two TMSI numbers, respectively, are active One number service providing method characterized in that it further comprises. The method according to claim 1 or 2, The VLR or the HLR identifying the mobile phone and the PDA corresponding to the two TMSI numbers, respectively, in order of priority One number service providing method characterized in that it further comprises. The method according to claim 1 or 2, The two TMSI numbers are registered in the subscriber DB at the time of service subscription, and transmitted from the subscriber DB to the HLR. The method according to claim 1 or 2, The circuit-switched call processing function or the packet-switched call processing function for the originating terminal or the base terminal as the called terminal is set in at least one of the mobile phone and the PDA. The method according to claim 1 or 2, The PDA and the mobile phone are combined by at least one of a direct connection, a cable connection, and a wireless connection method. One number service providing method characterized in that. A one number service providing system supporting a multi-access function using a single phone number for the PDA and the mobile phone in a mobile communication network for managing a mobile phone combined with a personal digital assistant (PDA), A program stored in a memory and a processor coupled to the memory to perform the program, wherein the processor is configured to perform the program by the program; Receive a visitor registration signal from a mobile phone to which the PDA entering the service area of the exchange is coupled, wherein the visitor registration signal includes telephone number information corresponding to the PDA and the mobile phone; Send a called location information request signal including the information to a visitor location register (VLR) or a home location register (HLR), and receive two Temporary Mobile Station Identity (TMSI) numbers from the VLR or the HLR- Here, the two TMSI numbers correspond to the telephone number information—the calling terminal or the called terminal for an outgoing call from a mobile phone to which the PDA is coupled or a call to a mobile phone to which the PDA is coupled. Identify the mobile phone or the PDA as the two TMSI numbers, wherein the PDA is coupled to the mobile phone and the switchboard. The mobile telephone acting as the calling terminal or the called terminal for any one of a voice call, an AMR call (Adaptive MultiRate Call), and a circuit switched call set up between the mobile telephone and the switch, wherein the PDA is coupled. Operating the PDA as the originating terminal or the called terminal for a packet switched call established between One number service providing system, characterized in that. A one number service providing system supporting a multi-access function using a single phone number for the PDA and the mobile phone in a mobile communication network for managing a mobile phone combined with a personal digital assistant (PDA), A program stored in a memory and a processor coupled to the memory to perform the program, wherein the processor is configured to perform the program by the program; Receive a visitor registration signal from a mobile phone to which the PDA entering the service area of the exchange is coupled, wherein the visitor registration signal includes telephone number information corresponding to the PDA and the mobile phone; Send a called location information request signal including the information to a visitor location register (VLR) or a home location register (HLR), and receive two Temporary Mobile Station Identity (TMSI) numbers from the VLR or the HLR- Here, the two TMSI numbers correspond to the telephone number information—the calling terminal or the called terminal for an outgoing call from a mobile phone to which the PDA is coupled or a call to a mobile phone to which the PDA is coupled. Identify the mobile phone or the PDA using the two TMSI numbers, wherein the mobile phone to which the PDA is coupled is a voice call, Switched call, call AMR (Adaptive MultiRate Call) and a packet call to a multi-communication mode by using the channel set by at least two arcs of the switched call One number service providing system, characterized in that.