JPH08331650A - Radio communication terminal and circuit connection method - Google Patents

Abstract

PURPOSE: To ensure the effective connection of radio calls to a base station by performing a proper outgoing operation in each of such cases where the outgoing destination is included in the same business office as a private base station, in another business office that is communicable via an exclusive circuit or in a line wire respectively. CONSTITUTION: A PHS terminal 9 receives the CS-ID sent from a base station and decides the present communicable service area of a specific base station. If the present base station is equal to a private base station 8 included in a business office and the outgoing destination is included in the same office, four digits of an outgoing telephone number are defined as an extension number via a PBX. If the outgoing destination is included in another business office that is communicable via a private circuit, the business office number, the station number and the 4-digit number are transmitted as an outgoing number. If the outgoing destination is included in a line wire, the line wire outgoing '0' is added to the head of a telephone number consisting of a toll number, a station number and a 4-digit number. Thus the operational/ economical burden of a user can be reduced when a radio communication terminal is connected to a circuit.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wireless communication terminal for sending a calling number through a base station connected to a communication line network to connect a line with another terminal, and to a communication line network. The present invention relates to a line connection method for connecting a communication line based on a calling number sent via a base station.

[0002]

2. Description of the Related Art In recent years, a portable information terminal (for example, a mobile phone, a PHS terminal: Perso) that is carried by a user and mutually communicates voice and data with other terminals including a general home telephone.
nal Handy Phone System Terminal, Pager, PDA: Pe
rsonal Digital Assistant, etc.) and a base station that is connected to a communication line and wirelessly communicates with the mobile information terminal and connects the mobile information terminal to the communication line. In this communication system, as a base station, a public base station connected to a telephone line network and installed in an unspecified location indoors or outdoors, an exchange (hereinafter referred to as PBX) installed in a public facility, etc. (for example, a business office) ) Connected to the self-employed base station, or installed in each home, there is a self-employed master unit (also referred to as master unit) that functions as a master unit of the mobile information terminal. The portable information terminal (also referred to as a child device) is connected to the communication line via the public base station, the self-employed base station, or the self-employed parent device, and can communicate with the partner terminal.

The portable information terminal is driven by a secondary battery or the like so that it can be used while being carried, and stores various data such as the telephone number of the other party, an address book, a schedule, and memos in text / voice. In addition to being able to do so, information (voice, voice data, text data, image data, etc.) can be exchanged with other terminals via a telephone network. The above telephone number is the area code, area code,
It consists of a number and is stored in multiple numbers along with an individual name or company name. When making a call to the above-mentioned individual or company, when the user inputs the name of the callee by key operation etc., the corresponding phone number is searched and displayed on the display unit, and the phone number is sent according to the predetermined call operation. Is sent.

[0004]

By the way, in the above-mentioned conventional portable information terminal and the transmitting method thereof, there is a case where a call is made to a partner in the same office via a self-employed base station installed in the office. In other words, even when making a call using an extension, the call is made using a telephone number consisting of the area code + area code + number. Therefore, the communication network within the same facility, that is, the same private network (PBX)
Even if the other party (extension line) is accommodated in, the call will be made via the public communication network in the same way as when making an external call, so a usage fee will be charged for the public communication network, which is an economical burden. There was a problem that.

Further, even if a dedicated line that enables communication between related business establishments is connected between business establishments, the telephone number (area code) stored in the portable information terminal is used. If a call is made with (+ office number + number), the call will be made through the public communication network, so that there is also a problem that a usage fee is charged for the public communication network, which causes an economic burden.

[0006] Therefore, an object of the present invention is to provide a wireless communication terminal and a line connection method which can automatically make a call with an appropriate calling number according to the destination and reduce the user's operation and economical burden. To do.

[0007]

In order to achieve the above object, a wireless communication terminal according to the invention of claim 1 is a wireless communication terminal which communicates with another terminal via a base station connected to a communication network, The input means for inputting the telephone number of the transmission destination, the transmission form identification means for identifying the transmission form of the transmission destination telephone number input by the input means, and the transmission form identification means for identifying the transmission form And a calling means for converting the destination telephone number input by the input means into a calling number and making a call.

In a preferred mode, the transmission mode identifying means identifies the type of the base station currently connectable, for example, and outputs the type of the base station as the transmission mode. You may make it equip with a base station identification means.

Further, as a preferred mode, the transmission mode identification means has a base station identification means for identifying the type of the currently connectable base station and the destination telephone number, for example. A link identification means for identifying a connection relationship between a base station connectable to a terminal and a base station connectable to itself, a base station type identified by the base station identification means, and a base identified by the link identification means It may be provided with a transmission mode determining means for determining the transmission mode based on the connection relationship between the stations.

Further, the line connection method according to the invention of claim 4 establishes a communication line with another terminal based on the calling number from the wireless communication terminal sent through the base station connected to the communication line network. In the line connection method for connection, the type of base station to which the wireless communication terminal is connected and the connection relationship between the base station to which the wireless communication terminal is connected and the base station to which the other terminal is connected The connection method between the wireless communication terminal and the other terminal is changed based on the above.

[0011]

In the present invention, the transmission mode identification means identifies the transmission mode of the destination telephone number input by the input means.
Next, the transmission means converts the transmission destination telephone number input by the input means into a transmission number based on the transmission mode identified by the transmission mode identification means and transmits the transmission number. Therefore, the base station to be transmitted can be automatically selected, and the user's operation and financial burden can be reduced.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. In this embodiment, an example applied to a PHS terminal will be described. A. Configuration of Example A-1. Configuration of Wireless Communication System FIG. 1 is a block diagram showing the configuration of a wireless communication system such as a PHS terminal according to an embodiment of the present invention. In the figure, 1
Is a network management station, which stores location registration information, authentication information, and billing information in the database 3, controls the telephone line network 4 to manage communication between terminals, and stores various kinds of voice mail in the database 3. PHS that stores data and is described later
Various services are provided to provide users with the above voice mail and data in response to requests from terminals. Next, the telephone line network 4 is a normal analog telephone line network (PSTN network) or a digital line network (for example, ISDN network) spread all over the country. In the telephone line network 4, a self-employed master unit (also simply referred to as a master unit) 5 installed in each home, a plurality of public base stations 6 and 6 installed at predetermined intervals, and a self-employed base station switch (PBX). A plurality of self-employed base stations 8, 8, 8 installed in the office are connected via 7.

The self-employed base unit 5 wirelessly connects a line to the PHS terminal 9, which is the handset unit, in addition to the function of an ordinary telephone. Further, the public base station 6 is installed in an unspecified location indoors and outdoors, and by communicating wirelessly with the PHS terminal 9 existing in its own service area,
The S terminal 9 is connected to the telephone line network 4. The self-employed base station 8 is also its own service area (floor, department, etc.).
The PHS terminal 9 is connected to the telephone line network 4 via the PBX 7 or the PBX 7 by wirelessly communicating with the PHS terminal 9 existing therein. In other words, the public base stations 6 and 6 and the self-employed base stations 8, 8 and 8 function as a relay station between the telephone line network 4 and the PHS terminal 9. The PHS terminals 9, 9, ..., 9 described above
Is carried by the user and wirelessly issues a line connection request to the self-employed base station 5, the public base station 6, or the self-employed base station 8 to issue another PHS terminal 9 or the self-employed master station 5 at home. And to receive services from the network management station 1.

In particular, according to the present invention, the CS
-The ID is stored, the CS-ID indicating the type of the base station, etc., which is transmitted from the self-employed base unit 5, the public base station 6, and the self-employed base station 8 at the time of power-on or periodically at the time of transmission,
That is, the telephone number stored in the PHS terminal 9 is organized based on the currently communicable base station and the telephone number to be transmitted, the transmission number is created, and the transmission number is transmitted. For example, when calling to a partner within the same office (extension), use the extension number only, and when calling to a partner connected by a dedicated line, add the dedicated line number (office number). "0" for outgoing call when calling to the other party (external line) via the public line.
Is added to make a call. The details of these will be described later.

A-2. Configuration of PHS Terminal FIG. 2 is a block diagram showing the configuration of a PHS terminal according to an embodiment of the present invention. In the figure, 10 is a transmission / reception unit,
It is composed of a frequency conversion unit including a receiving unit and a transmitting unit, and a modem including a receiving unit and a transmitting unit. The reception unit of the frequency conversion unit mixes the signal received by the antenna ANT, which is input via the antenna switch for distributing the transmission / reception, with the local oscillation signal of the predetermined frequency output from the PLL synthesizer. 9 GHz
The frequency is converted from the band to an IF (intermediate frequency) signal near the 1 MHz band. In addition, the transmission unit of the frequency conversion unit outputs the π / 4 shift QPSK modulated wave supplied from the modem, which will be described later, to the P wave.
By mixing with a local oscillation signal of a predetermined frequency output from the LL synthesizer, the frequency is converted into the 1.9 GHz band, and the antenna ANT radiates through the antenna switch. Next, the reception unit of the above-mentioned modem demodulates the IF signal from the frequency conversion unit, separates it into IQ data into a data string, and sends it to the communication control unit 11. Further, the transmission section of the modem creates IQ data from the data supplied from the communication control section 11, modulates it by π / 4 shift QPSK, and sends it to the frequency conversion section of the transmission / reception section 10.

Next, the communication control section 11 is composed of a transmission side and a reception side, and performs frame synchronization and slot data format processing. The receiving side extracts data for one slot from the received data supplied from the modem of the transmitting / receiving unit 10 at a predetermined timing, extracts a unique word (synchronizing signal) from this data, and generates a frame synchronizing signal. After descrambling the control data section and the audio data section, the control data is sent to the control section 16 and the audio data is sent to the audio processing section 12. Further, the transmission side adds control data and the like to the audio data supplied from the audio processing unit 12, adds unique words and the like after adding scramble and the like, and creates transmission data for one slot, It is inserted into a predetermined slot in the frame at a predetermined timing and sent to the modem of the transmission / reception unit 10.

Next, the voice processing unit 12 described above is composed of a speech codec and a PCM codec. The speech codec performs compression / expansion processing of digital data, and is composed of a receiving side and a transmitting side. On the receiving side, the ADPCM audio signal (4 bits × 8 KHz = 3) supplied from the communication control unit 11
2 Kbps for PCM audio signal (8 bits x 8 KHz =
Decompressed to 64Kbps and expanded to PCM
Output to codec. The transmission side encodes the PCM audio signal supplied from the PCM codec into an ADPCM audio signal, compresses it, and sends it to the communication control unit 11. The PCM codec described above performs analog / digital conversion processing, and the receiving side converts the PCM audio signal supplied from the speech codec into an analog audio signal by D / A conversion, causes the speaker 13 to generate sound, and transmits it. The side converts the analog audio signal input from the microphone 14 into a PCM signal by A / D conversion and sends it to the speech codec.

Next, the key input unit 15 is composed of a numeric keypad for inputting the telephone number of the other party, a switch for performing on-hook / off-hook, a volume switch for changing the voice output, and the like. The state of these keys and switches is controlled by the control unit 1.
6. Next, the control unit 16 controls the entire device according to a predetermined program. The ROM 17 stores programs executed by the control unit 16 and various parameters. In addition, the RAM 18 stores data generated by the control of the control unit 16 and is used as a working area. Phonebook DB2
0 stores, for example, the address of the other party to make a call and data such as an address book including data such as telephone numbers. In particular, in the present embodiment, a plurality of destination names and a plurality of telephone numbers including the area code + area code + 4-digit number are stored. In addition, the data indicating the CS-ID of the business office and the self-employed base station arranged in the business office (PBX), and the data indicating which of the plurality of telephone numbers corresponds to which business office are also stored. Has been done. Details of these will be described later.

The PHS terminal 9 is a self-employed base unit 5 or a public base station 6.
(Area code) + if present in the service area of
The area code + 4-digit number is used as the telephone number. The area code is added as necessary. Further, when the PHS terminal 9 exists in the service area of the self-employed base station 8, there are the following three calling methods depending on the other party who is going to make a call. That is, if the other party is an outside line, "0" +
The area code + area code + 4-digit number is used. If the partner is an extension, only the 4-digit number is used, and if the partner is a leased line, the office number + 4-digit number is used. In the case of an extension, the line is connected via the PBX 7 in the office. The memory of the telephone directory DB 20 is held by a power source such as a secondary battery (not shown). Next, the display unit 19 is composed of a liquid crystal display for displaying various data such as an operation mode, a telephone number and a call time, and an LED for turning on / off a switch and the like. Display various data under control. In addition, the display unit 1
9 is a touch panel, the displayed icon,
Data can be input by touching the data and the like with a touch pen described later.

A-3. Establishment and CS-ID Next, FIG. 3 is a conceptual diagram regarding CS-ID information stored in the PHS terminal according to the embodiment of the present invention. In the figure, in the above-mentioned telephone directory DB 20, the C of each self-employed base station 8 connected to the PBX 7 of the business office
The S-ID is stored. The PHS terminal 9 receives the CS-ID transmitted from the self-employed master 5, the public base station 6, and the self-employed base station 8 when the power is turned on or periodically.
Upon receiving the CS-ID, the PHS terminal 9 determines that the currently communicable base station is the self-employed master device 5,
It is determined whether it is the public base station 6 or the self-employed base station 8. Further, the PHS terminal 9 compares the received CS-ID with the CS-ID of each self-employed base station 8 shown in FIG. 3 to determine in which business office it is currently located.

A-4. Telephone Number and Business Office Next, FIG. 4 is a conceptual diagram of telephone numbers and business offices stored in the PHS terminal according to the embodiment of the present invention. In the figure, in the above-mentioned telephone directory DB 20, in order to indicate that the stored telephone number is any extension number of a plurality of business establishments, the corresponding telephone number is associated with each business establishment. Remembered For each telephone number, this is whether or not the telephone number is an extension number of the private branch network (PBX), and whether it can be transmitted by a dedicated line connected to the private branch network (PBX). You may make it memorize | store so that discrimination | determination is possible. Thus, when the user selects the telephone number, it is possible to determine whether the call destination is an extension. Therefore, if the base station that is currently able to communicate is a self-employed base station and the destination is the same office, you can use the extension (only the number), and both are different offices. , If you can talk on a dedicated line,
All you have to do is call the office number + number.

B. Operation of Embodiment Next, the operation of the PHS terminal 9 according to the above-described embodiment will be described. In the following description, the operation of each unit associated with a call is the same as the operation of a normal PHS terminal, and thus the description thereof is omitted.

FIG. 5 is a flow chart for explaining the operation of the PHS terminal 9 according to this embodiment. In the figure, in step S10, the telephone directory DB2 is set by the user.
The calling information (for example, the name of the called party) is selected from the telephone directory data stored in 0. As a result, the destination telephone number is determined. Next, in step S12, the CS-ID transmitted from the nearby base station, which is received when the PHS terminal 9 is powered on, has the system call code indicating the self-employed base station 8 installed in the business office. Judge whether or not. Then, when the received CS-ID belongs to the self-employed base station 8, the determination result in step S12 is “YES”, and the process proceeds to step S14.

In step S14, it is determined whether the calling information selected in step S10, that is, the telephone number is an outside line. That is, based on the information shown in FIG. 4, if the above-mentioned telephone number does not correspond to any business establishment,
Judge as an outside line. If the telephone number is not an outside line, the result of the determination in step S14 is "NO", and the process proceeds to step S16. In step S16, CS
-It is determined whether or not the current business establishment determined by the ID is the same as the call origination information selected in step S10, that is, the business establishment of the transmission destination indicated by the telephone number. This determines whether the received CS-ID exists based on the data shown in FIG. 3, and if the CS-ID exists, it identifies which office corresponds. Next, based on the data shown in FIG. 4, it is specified which office the destination telephone number corresponds to. Then, by comparing the two establishments, it can be determined whether or not they are the same establishment.

(1) Extension calling If both are the same business office, the result of the determination in step S16 is "YES", and the process proceeds to step S18. In step S18, only the 4-digit number of the telephone number is set as the calling number. For example, as shown in FIG. 6A, when the telephone number is "0425-79-1234", "1234" is set as the calling number. Next, the process proceeds to step S20, and the call is made according to the call number. In this case, since the call is sent via the PBX 7 provided in the business office, the public line network is not used. And step S
At 22, it is judged whether or not there is a response from the other terminal,
If there is a response, go to step S24, connect the line,
Make a call. When the line is disconnected in step S26, the process ends.

(2) Dedicated line transmission On the other hand, if they are not the same office, the determination result in step S16 is "NO", and step S16
Proceed to 28. In step S28, the establishment number + four-digit number is set as the calling number. For example, as shown in FIG. 6B, when the telephone number is “0425-79-1234”, “9-42” is added to the four-digit number as the office number, and “9-42-1234” is added. Is the calling number. Hereinafter, the process proceeds to the above-described step S20, the call is made according to the calling number, and it is determined in step S22 whether or not there is a response from the partner terminal. Then, when there is a response, the process proceeds to step S24, and the line is connected. In this case, the lines are connected by a dedicated line connecting the offices.
Then, in step S26, it is determined whether or not the line is disconnected, and if disconnected, the process ends.

(3) Outgoing line transmission On the other hand, if the telephone number indicates an outside line in step S14, the process proceeds to step S30. Step S3
At 0, "0" is added to the beginning of the telephone number for making an outside line call, and "0" + (city code) + station number + 4-digit number is set as the calling number. For example, as shown in FIG. 6C, when the telephone number is "0425-79-1234", "0" for making an outside line is added to the head of the telephone number, and "0" is added.
"-0425-79-1234" is set as the calling number. Hereinafter, the process proceeds to the above-described step S20, the call is made according to the calling number, and it is determined in step S22 whether or not there is a response from the partner terminal. Then, when there is a response, the process proceeds to step S24, and the line is connected. In this case, the line is connected using a public line network. Then, in step S26, it is determined whether or not the line is disconnected, and if disconnected, the process ends.

(4) Others (self-employed base station or public base station) If the received CS-ID is not the CS-ID of the business establishment (self-employed base station) shown in FIG. 3, the determination result in step S12 is ""NO", and step S20 as it is
Go to. That is, in this case, the currently communicable base station is the self-employed master device 5 or the public base station 6. Therefore, in step S20 described above, the call is transmitted in accordance with the call information selected in step S10, that is, (the area code) + the area code + the four-digit number. For example, FIG.
As shown in (d), the telephone number is "0425-79-1.
234 ”, it is“ 0425-79-12 ”as it is.
34 ”as the calling number. Then, in step S22,
It is determined whether or not there is a response from the partner terminal. Then, when there is a response, the process proceeds to step S24, and the line is connected. Next, in step S26, it is determined whether or not the line is disconnected, and if disconnected, the process ends.

In the above embodiment, the PH of the present invention is used.
Although the example has been described in which the present invention is executed by the S terminal 9, the present invention is not limited to this, and the present invention may be executed by the PBX 7. That is, a control unit (not shown) in the PBX 7 is provided with a database as shown in FIG. 4, and the flowchart shown in FIG. 7 is executed. The information about which base station the PHS terminal is connected to can be grasped by the location registration from the PHS terminal 9.

First, in step S40, when the outgoing information sent from the PHS terminal 9 via the base station 8 is received,
In step S42, the database shown in FIG. 4 is searched to see if the partner terminal is registered in the database. If it is determined that the line is an outside line according to the search result in step S42 (step S44), the outside line is transmitted in step S46. When the partner terminal responds to this call in step S48, the communication line with the partner terminal is connected and communication becomes possible (step S50). When the line disconnection is confirmed by the on-hook of the partner terminal or the self terminal, the process ends (step S52).

On the other hand, if the result of the determination in step S44 is that it is an extension, it is determined in step S54 whether the originating terminal and the destination terminal belong to the same business office based on the currently connected base station. . As a result, if it is determined that the terminals are in the same office, the other party's terminal is called in extension in step S56. If it is determined in step S54 that they are not in the same office, the private line is called in step S58. Hereinafter, when there is a response from the destination terminal in step S48, the communication line is connected in step S50,
When the line is disconnected at 52, the process ends.

Further, in the above embodiment, the same telephone number is used for the extension, the outside line and the leased line. But,
Without being limited to this, for example, by setting different telephone numbers for the extension, the outside line, or the leased line for the name in advance, it is possible to set different telephone numbers for the extension, the outside line, or the leased line. Can be applied.

[0033]

According to the present invention, the base station identifying means identifies the type of the base station with which the wireless communication terminal is currently able to communicate, and based on the identification result of the base station identifying means, the transmitting means Stored in the telephone number storage means,
The telephone number to be called is organized to create a calling number, and the calling number is used for calling, so that the following effects can be obtained. (1) If the base station is a self-employed base station and the callees are at the same business office, use the public line network because the telephone number is organized to create an extension number and the extension number is used to make the call. Without the need for automatic extension calls. (2) Also, if the base station is a self-employed base station and the destination is at another business site that can communicate by a dedicated line, create a dedicated line number by organizing the telephone number Since you make a call using a line number, you can automatically make a call on a dedicated line. (3) Also, if the base station is a self-employed base station and the destination is an outside line, the above telephone number is organized to create an outside line number, and the outside line number is used to make a call. , It is possible to make a call via a public line network. (4) Therefore, since it is possible to automatically make a call with an appropriate calling number according to the called party, that is, the call can be made without being aware of the calling number, the user's operation and financial burden can be reduced.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a wireless communication system such as a PHS terminal according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a PHS terminal according to the present embodiment.

FIG. 3 is a C stored in a PHS terminal according to this embodiment.
It is a conceptual diagram regarding S-ID information.

FIG. 4 is a conceptual diagram regarding a telephone number and a business office stored in a PHS terminal according to the present embodiment.

FIG. 5 is a flowchart for explaining the operation of the PHS terminal according to this embodiment.

FIG. 6 is a conceptual diagram showing a calling number that the PHS terminal according to the present embodiment calls according to the situation.

FIG. 7 is a flowchart for explaining an operation of an example in which the present invention is applied to a PBX (exchange).

[Explanation of symbols]

1 network management station 3 database 4 telephone line network (communication line network) 5 self-employed master unit (base station) 6 public base station (base station) 7 PBX (private branch exchange) 8 self-employed base station (base station) 9 PHS terminal (wireless) Communication terminal) ANT antenna 10 Transmission / reception unit (transmission means) 11 Communication control section 12 Voice processing section 13 Speaker 14 Microphone 15 Key input section (input means) 16 Control section (transmission form identification means, base station identification means, link identification means, Calling mode determining means) 17 ROM 18 RAM 19 Display unit 20 Phonebook DB

Claims (4)

[Claims] 1. A wireless communication terminal that communicates with another terminal via a base station connected to a communication network, and input means for inputting a telephone number of a destination, and a destination telephone input by the input means. A transmission mode identifying means for identifying the transmission mode of the number, and a transmission means for converting the destination telephone number input by the input means into a transmission number based on the transmission mode identified by the transmission mode identification means and transmitting the number. A wireless communication terminal comprising: 2. The transmission mode identification means comprises a base station identification means for identifying the type of the base station that is currently connectable and outputting the type of the base station as the transmission mode. The wireless communication terminal according to item 1. 3. The transmission mode identification means is capable of connecting the base station identification means for identifying the type of the base station currently connectable, the base station connectable to the terminal having the destination telephone number, and the own terminal. Link identifying means for identifying a connection relationship with a different base station, the base station type identified by the base station identifying means and the connection relationship between the base stations identified by the link identifying means The wireless communication terminal according to claim 1, further comprising: transmission mode determining means for determining. 4. A line connection method for connecting a communication line to another terminal based on a calling number from the wireless communication terminal sent via a base station connected to a communication line network, wherein the wireless communication terminal is Based on the type of the connected base station and the connection relationship between the base station to which the wireless communication terminal is connected and the base station to which the other terminal is connected, the wireless communication terminal and the other terminal Line connection method characterized by changing the connection method of.