KR100713384B1 - Method and apparatus for deliver message, using bluetooth in a public switched telephone network - Google Patents

Abstract

The present invention provides a method and apparatus for sending and receiving a message using Bluetooth in a public switched telephone network. Registering the Bluetooth phone user's identification number and Bluetooth address in a subscriber database through a Bluetooth phone and a Bluetooth link and channel setting; receiving a message from a public switched telephone network (PSTN) short message center; and including in the message And searching the subscriber database with the called party identification number to find out the Bluetooth address of the Bluetooth phone, and transmitting the message through paging and link and channel setting with the Bluetooth phone.

PSTN, Access Point, BLUETOOTH, SMS, MMS,

Description

Method and apparatus for deliver message, using bluetooth in a public switched telephone network

1 is a diagram illustrating a network structure for providing a message service in an existing cellular mobile communication network and a PSTN telephone network.

2 is a diagram illustrating a short message service network structure according to a preferred embodiment of the present invention.

3 is a view showing a functional structure of a connecting device AP according to a preferred embodiment of the present invention.

4 is a diagram illustrating a registration procedure of a Bluetooth phone according to a preferred embodiment of the present invention.

5 is a diagram illustrating a procedure for a Bluetooth phone to receive a short message according to an exemplary embodiment of the present invention.

6 is a diagram illustrating a procedure for transmitting a short message by a Bluetooth phone according to a first embodiment of the present invention.

7 is a diagram illustrating a procedure for transmitting a short message by a Bluetooth phone according to a second embodiment of the present invention.

The present invention relates to a public switched telephone network (hereinafter referred to as "PSTN"), and more particularly, to a method and apparatus for delivering a short or multimedia message to a user accessing a PSTN.

1 is a diagram illustrating a network structure for providing a short message service in an existing cellular mobile communication network and a PSTN telephone network.

Each network component is briefly described. Base Transceiver System (102) is a system that processes radio access standards and manages radio resources with a mobile terminal device in a cellular mobile communication network, and a base station controller (104) controls base stations in a cellular mobile communication network. It is a system.

The Mobile Switch Center 120 is an exchange system that connects between mobile terminal devices or between a mobile terminal device and a PSTN telephone network, and the Home Location Register (HLR) 132 is cellular. A system for storing and managing service profiles and location registration information for users connected to a mobile communication network, and a short message center 140 is a device for providing a short message service to a subscriber of a mobile communication service.

The short message gateway 150 is a gateway device for delivering a short message between different communication providers, and the PSTN short message center 145 provides a short message service to a user connected to a PSTN telephone network. It is equipment.

In addition, the telephone exchange 135 is an exchange system that provides a telephone service to PSTN subscribers, and the access point 115 is a device that processes a wireless telephone and a wireless access standard and connects a user to a PSTN telephone network.

When the user accesses the cellular mobile communication network, the mobile terminal 100 is connected to the mobile switching center 120 through the base station 102 and the base station controller 104, and the short messages sent or received by the mobile terminal 100 are short messages. It is processed in the message center 140. The mobile terminal 100 and the base stations 102 are interconnected through various wireless access standards such as Code Division Multiple Access (CDMA), Wideband (CDMA), Global System for Mobile Communication (GSM), and the like. When the user connects to the PSTN telephone network, he / she is connected to telephone exchange 135 using wired telephone 125 or wireless telephone 105. When the user uses the radiotelephone 105, the user is connected to the telephone exchange 135 through the connection device 115.

The radiotelephone 105 and the connection device 115 are interconnected through various radio access standards including 900MHz radio signal or Bluetooth, B-CDMA (B-CDMA). The mobile switch 120 of the cellular mobile communication network, the HLR 132, and the short message centers 140 are interconnected through an SS7 (Signaling System 7) network, and the short message gateway 150 is a PSTN short message of the PSTN telephone network. The center 145 and the short message center 140 of the cellular mobile communication network are interconnected through an SS7 network or an IP network.

For example, when a subscriber accessing a cellular mobile communication network sends a short message, it is delivered to the short message center 140 via the mobile switch 120. When the short message center 140 decrypts the called party number of the short message and the called party joins the same mobile communication service provider as the sender, the short message center 140 transmits the location information of the called party to the HLR 132. The inquiry transmits a short message through the mobile switch 120 connected to the called party's terminal. When the receiver of the short message is a mobile communication service provider or a PSTN telephone network subscriber different from the sender, the short message center 140 delivers the short message to the short message gateway 150 to be delivered to each provider network.

When the subscriber accesses the PSTN telephone network, the short message is transmitted to the PSTN short message center 145 via the telephone exchange 135. When the PSTN short message center 145 decrypts the called party number of the short message and the called party accesses the PSTN telephone network, the PSTN short message center 145 sends the short message to the called party phone through the telephone exchange 135. To pass. In addition, when the recipient of the short message is a mobile communication service subscriber, the PSTN short message center 145 delivers the short message to the short message gateway 150, and the short message gateway 150 is the short message center of the corresponding mobile communication service provider. The short message is delivered to the called party through the 140 and the mobile switch 120.

In providing a short message service in a PSTN telephone network according to the prior art operating as described above, when forwarding a short message to a telephone connected to the PSTN telephone network by Bluetooth, an incoming telephone number that cannot distinguish an individual user who uses the telephone is provided. Because of this, whenever an incoming call to the short message occurs, all phones using the phone number ring at the same time. In addition, all telephones using the same called telephone number without receiving distinction of individual users can receive a short message, which has personal privacy and security problems.

Therefore, the present invention, which was devised to solve the problems of the prior art operating as described above, when transmitting a short message to Bluetooth telephones connected to the PSTN telephone network, only a specific telephone among the telephones using the same called telephone number A method and apparatus are provided for using a separate subscriber identification number for each Bluetooth phone to receive a short message.

The present invention provides a method and apparatus for calling only a specific telephone by managing identification numbers of telephones connected to the same in a connection apparatus of a PSTN telephone network.

According to the present invention, when a plurality of Bluetooth phones are connected to a PSTN telephone network to receive a short message service through a connection device (AP) that provides a Bluetooth wireless access function, a subscriber identification number is divided to deliver a message only to a specific Bluetooth phone. It provides a method and apparatus.

In accordance with another aspect of the present invention, there is provided a method for sending and receiving a message using Bluetooth in a public switched telephone network, the method comprising: registering an identification number and a Bluetooth address of a Bluetooth telephone user in a subscriber database through a Bluetooth phone, a Bluetooth link, and a channel setting; Receiving a message from a public switched telephone network (PSTN) short message center; searching the subscriber database with a called party identification number included in the message to find out the Bluetooth address of the Bluetooth phone; and And a process of delivering a message through paging and link and channel establishment.

Another embodiment of the present invention provides a message call origination device using Bluetooth in a public switched telephone network, comprising: a Bluetooth module for performing a link and channel setting with a Bluetooth phone and transmitting and receiving a message; The subscriber's database that registers an identification number and a Bluetooth address, a PSTN module that transmits and receives a message to and from a public switched telephone network (PSTN) message center, and identifies the Bluetooth phone by searching the subscriber database using a called party identification number included in the short message. If it is confirmed that the number, characterized in that it comprises a message processing unit for transmitting the message to the Bluetooth module.

Hereinafter, the operating principle of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, if it is determined that a detailed description of a known function or configuration may unnecessarily flow the gist of the present invention, the detailed description thereof will be omitted. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or custom. Therefore, the definition should be made based on the contents throughout the specification.

According to the present invention, when a short message is transmitted to Bluetooth phones connected to a PSTN telephone network, an individual subscriber identification number for each Bluetooth phone can be received so that only a specific phone can receive the short message without ringing other phones having the same called number. use.

In this specification, various types of telephones that provide a subscriber with a short message service (hereinafter, referred to as "SMS") are collectively referred to as Bluetooth telephones. For example, a terminal may be connected to a PSTN telephone network through a Bluetooth module and a Bluetooth connection device, and a dual mode terminal may be simultaneously connected to a cellular mobile communication network and a PSTN telephone network. The dual mode terminal connects to a PSTN telephone network using a Bluetooth module and a cellular mobile communication network using a module such as CDMA, WCDMA, or GSM.

In addition, in this specification, the call of the short message according to the SMS has been described, but it can be used as a multimedia message service (hereinafter, referred to as "MMS").

In delivering a short message to a user connected to a PSTN telephone network, the present invention proposes a method of providing a short message to a Bluetooth telephone when the Bluetooth telephone accesses the PSTN telephone network through a Bluetooth connection device and transmits the short message to a subscriber telephone number. This is a method and procedure for delivering short messages by classifying each Bluetooth phone.

2 is a diagram illustrating a structure of a short message service network according to a preferred embodiment of the present invention.

All Bluetooth phones, such as the landline phone 225, the wireless phone 205, and the dual mode phone 201, are connected to a connection device 215 equipped with a Bluetooth module and a PSTN module at the same time, and through the connection device 215. Connect to the PSTN telephone network. The other configuration is the same as the conventional method of FIG.

3 is a view showing a functional structure of a connecting device AP according to a preferred embodiment of the present invention.

The connection device 300 is connected to the plurality of Bluetooth phones 305 using the Bluetooth module 320 and to the PSTN telephone network 315 using the PSTN module 325. The subscriber connection control unit 330 processes a registration request message transmitted by the Bluetooth phone, manages registration status for each subscriber, and stores subscriber registration information in the subscriber database 340.

The short message processing unit 335 processes short messages transmitted between the PSTN telephone network 315 and the Bluetooth phone 305, and registers a subscriber when receiving a short message delivered to a subscriber accessing the PSTN telephone network 315 through Bluetooth. This function finds the Bluetooth phone in use by the subscriber and delivers a short message to the Bluetooth phone. The subscriber database 340 stores subscriber-specific registration information.

As described above, the operation of each functional component of the connection device 300 will be described below.

1) When the Bluetooth phone first connects to the PSTN telephone network via Bluetooth.

The Bluetooth phone 305 establishes a Bluetooth link and channel between the Bluetooth phone 315 and the connecting device 300 to access the PSTN telephone network 315 and includes registration information (the Bluetooth address and the subscriber identification number of the Bluetooth phone). When the registration request message is generated and delivered to the connection device 300, the subscriber connection control unit 330 processing the registration request message stores the registration information in the subscriber database 340 and sends the registration response message to the Bluetooth phone 305. To pass.

2) The Bluetooth phone sends a short message

When the Bluetooth phone 305 completes the registration process and transmits a short message through the Bluetooth link, the Bluetooth phone 305 transmits the short message received by the Bluetooth module 320 of the connection device 300 to the short message processing unit 335. The short message processing unit checks the called party's telephone number and called party identification number included in the received short message and processes the short message according to the following cases.

  ① In the subscriber database 340 retrieves the registration information for the called party by the called party identification number, checks the Bluetooth address included in the called party registration information, and delivers a short message to the called party Bluetooth phone. .

  ② If the subscriber database 340 does not have registration information for the called party, the short message is delivered to the PSTN short message center through the PSTN module 325.

3) When the Bluetooth phone receives a short message

After the Bluetooth phone 305 completes the registration process, the short message delivered to the Bluetooth phone 305, which is the called party, via the PSTN telephone network 315 is transmitted through the PSTN module 325 of the connection device 300. 335). The short message processing unit 335 checks the called party's telephone number and identification number included in the received short message, and processes the short message in the following cases.

  ① In the subscriber database 340, if the registration information for the called party is retrieved by the called party identification number and has registration information for the called party, the short message is sent to the called party Bluetooth phone 305 corresponding to the Bluetooth address included in the called party registration information. Pass the message.

  ② If the subscriber database 340 does not have registration information on the called party, the called party's Bluetooth phone 305 is not registered yet. When the phone 305 completes the registration process, the stored short message is transmitted to the called party's Bluetooth phone 305. If the called party's Bluetooth phone 305 does not perform the registration process even after a certain time has elapsed, the stored short message is discarded.

According to the function of the connection device 300, even if a plurality of Bluetooth phones are connected to the PSTN telephone network 315 through the same connection device 300, the short message is sent / received using a separate identification number assigned to each user can do. In other words, when sending a short message to a called Bluetooth phone, the calling side Bluetooth phone transmits the short message including the called party identification number as well as the called party number that can be shared by several Bluetooth phones. For example, the called party identification number is transmitted by attaching a number of digits to the end of the called party's telephone number.

4 is a diagram illustrating a registration procedure of a Bluetooth phone according to a preferred embodiment of the present invention.

In FIG. 4, a Bluetooth phone 400 first accessing a PSTN telephone network through Bluetooth shows a process of registering a subscriber's identification number and a Bluetooth address with a connection device 405. The detailed procedure is as follows.

In step 410, a Bluetooth link and channel setting procedure is performed between the Bluetooth phone 400 and the connection device 405. The setting procedure is as specified in the Bluetooth standard. In step 415, the Bluetooth phone 400 generates a registration request message including a subscriber identification number and a Bluetooth address and transmits the registration request message to the connection device 405.

Upon receiving the registration request message, the connection device 405 stores the subscriber identification number and the Bluetooth address as registration information in the subscriber database, and in step 420 generates a registration response message and transmits the registration response message to the Bluetooth phone 400. When the Bluetooth phone 400 receives the registration response message, the Bluetooth phone 400 releases the Bluetooth link and channel with the connection device 405 in step 425.

5 is a diagram illustrating a procedure of receiving a short message by a Bluetooth phone according to an exemplary embodiment of the present invention.

In FIG. 5, after the Bluetooth phone 500 completes the registration process of FIG. 4, the short message including the called party's telephone number and the identification number transmitted from the outside using the called party's identification number is transmitted to the Bluetooth phone 500. It shows the process of conveying the information to the client. The detailed procedure is as follows.

In step 515, the short message transmitted to the Bluetooth phone 500 connected to the PSTN telephone network is transmitted to the PSTN short message center 510 from the outside. The PSTN short message center 510 establishes a PSTN voice channel by calling the connection device 505, and generates a short message delivery message including a short message to be delivered to the called party's Bluetooth phone 500 in step 520. It delivers to the connection device 505 having the called party's telephone number through the voice channel.

The connection device 505 searches the subscriber database by the called party identification number included in the short message, finds the Bluetooth address of the Bluetooth phone 500 corresponding to the called party identification number, and then the called party corresponding to the Bluetooth address in step 525. A paging procedure is performed between the Bluetooth phone 500 and the connection device 505. In step 530, a Bluetooth link and channel setting procedure is performed between the called party's Bluetooth phone 500 and the connection device 505.

After completing the link / channel setup, in step 530, the connection device 505 delivers the short message transfer message to the called-party Bluetooth phone 500. The receiving side Bluetooth phone 500 receiving the short message transmits the short message response message to the connection device 505 in step 540, and the connection device 505 sends the PSTN short message center 510 to the connection device 505 in step 545. After completing the short message by transmitting the short message response message, the PSTN voice channel between the connection device 505 and the PSTN short message center 510 is released.

6 is a diagram illustrating a procedure for transmitting a short message by a Bluetooth phone according to a first embodiment of the present invention.

After the Bluetooth phone 600 completes the registration procedure of FIG. 4, the Bluetooth phone 600 shows a process of sending a short message to an external network. The detailed procedure is as follows.

In step 615, a Bluetooth link and channel setting procedure is performed between the Bluetooth phone 600 and the connection device 605 to set the link and channel, and the Bluetooth phone 600 sends a short message to the called party's Bluetooth phone in step 620. A short message delivery message including a message is generated and delivered to the connection device 605. The connection device 605 searches the subscriber database by the called party identification number included in the short message. If there is no registration information corresponding to the called party identification number, the connection device 605 calls the PSTN short message center 610 in step 625. Set up the PSTN audio channel. If the short message does not include the called party identification number, the process immediately proceeds to step 625.

The connection device 605 transmits the short message delivery message to the PSTN short message center 610 through the PSTN voice channel in step 630, and the PSTN short message center 610 checks the received short message in step 635. The short message response message is transmitted to the connection device 605.

As described above, since the short message transmission is completed, in step 640, the PSTN voice channel between the connection device 605 and the PSTN short message center 610 is released, and in step 645, the connection device 605 is a Bluetooth phone ( In step 600, the short message response message is transmitted, and the PSTN short message center 610 transmits the short message to the outside.

7 is a diagram illustrating a procedure for transmitting a short message by a Bluetooth phone according to a second embodiment of the present invention.

In FIG. 7, after the Bluetooth phone 700 completes the registration process of FIG. 4, the Bluetooth phone 700 transmits a short message to another Bluetooth phone 710 registered in the same connection device 705. The detailed procedure is as follows.

In step 715, if the link and channel setting procedure is completed between the calling Bluetooth phone 700 and the connection device 705 by completing the link and channel setting procedure, the calling Bluetooth phone 700 calls the called party in step 720. A short message delivery message including a short message to be delivered to the Bluetooth phone is generated and delivered to the connection device 705.

The connection device 605 searches the subscriber database by the called party identification number included in the short message, and if there is a registration information corresponding to the called party identification number, the called device is called by the Bluetooth address of the called Bluetooth phone 710 in step 725. The paging procedure is performed between the Bluetooth phone 710 and the connection device 605, and a Bluetooth link and channel setting procedure is performed between the called Bluetooth phone 710 and the connection device 605 in step 730.

In step 735, the connection device 705 transmits a short message transfer message to the called party's Bluetooth phone 710, and in step 740, the called party's Bluetooth phone 710 confirms the short message to the connection device 705. Send short message response message. Thereafter, in step 745, the connection device 705 delivers a short message response message to the calling Bluetooth phone 700.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the scope of the following claims, but also by those equivalent to the scope of the claims.

In the present invention operating as described in detail above, the effects obtained by the representative ones of the disclosed inventions will be briefly described as follows.

According to the present invention, when a user located inside a hotspot or building is provided with SMS and MMS services through a PSTN telephone network, an individual identification number may be used, and by using the individual identification number, all subscribers connected to the same access device are identical. You can solve the privacy problem in the traditional way of using numbers. In addition, there is an effect that can be directly sent and received messages between Bluetooth phones connected to the same access device without going through the PSTN telephone network.

Claims (7)

In the method of sending and receiving a message using Bluetooth in a public switched telephone network, Registering an identification number and a Bluetooth address of the user of the Bluetooth phone in a subscriber database through a Bluetooth phone and a Bluetooth link and channel setting; Receiving messages from PSTN short message centers; Searching the subscriber database by the called party identification number included in the message to find out the Bluetooth address of the Bluetooth phone; And transmitting the message through paging and link and channel setting with the Bluetooth telephone. The method of claim 1, wherein if the message is received from the Bluetooth telephone, Searching for a subscriber database by a called party identification number included in the message, and if there is no registration information corresponding to the called party identification number, setting a voice channel with a PSTN message center and transmitting the message. Calling method. The method of claim 1, wherein if a message is received from the Bluetooth telephone, Search the subscriber database with the called party identification number included in the message, and if there is registration information corresponding to the called party identification number, through the paging and Bluetooth link and channel setting with the called party's Bluetooth phone using the registered Bluetooth address Message sending and receiving method comprising the step of delivering a message. The method of claim 1, wherein the message, Message sending and receiving method, characterized in that a short message or a multimedia message. In the message originating device using Bluetooth in a public switched telephone network, A Bluetooth module that performs link and channel setup with a Bluetooth phone to send and receive messages, A subscriber database for registering an identification number and a Bluetooth address of the Bluetooth telephone user through the Bluetooth module; A PSTN module for sending and receiving messages to and from a public switched telephone network (PSTN) message center; And a message processing unit for searching the subscriber database with the called party identification number included in the short message and confirming that the identification number is the identification number of the Bluetooth phone, and forwarding the message to the Bluetooth module. The method of claim 4, wherein the message processing unit, If a message is received from the terminal, And searching the subscriber database by the called party identification number included in the message, and if there is no registration information corresponding to the called party identification number, transmitting the message to the PSTN module. The method of claim 4, wherein the message processing unit, If a message is received from the terminal, And searching the subscriber database by the called party identification number included in the message, and if there is registration information corresponding to the called party identification number, transmitting the message to the Bluetooth module.

Images