JP3942417B2 - Private branch exchange and control method thereof - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a private branch exchange capable of accommodating an I-number line, which is an ISDN supplementary service, and in particular, converts a port number notified from the I-number line into a dial-in incoming call number and calls an extension terminal. The present invention relates to a private branch exchange and a control method thereof.
[0002]
[Prior art]
An I-number is provided by NTT as an additional service of the INS network 64 of ISDN (Integrated Service Digital Network), and telephones and facsimiles connected to a TA (terminal adapter) corresponding to the service via the I-number line Is a service that assigns “2 numbers” or “3 numbers” per line to subscribers who use.
[0003]
A telephone number corresponding to “2 number” or “3 number” from the external terminal (for example, “03-XXX-XXX-0001” or “03-XXX-XXX-0002”) Is dialed, the telephone number is converted into I-number information (for example, port number “1” or port number “2”) by ISDN, and the telephone of the subscriber is connected from the I-number line via the TA (terminal adapter). Or a fax.
[0004]
On the other hand, dials that can be called directly from an outside line by assigning a called number (telephone number) to each of a plurality of extension terminals (telephones, facsimiles, etc.) connected to a private branch exchange at the office. In-service is provided.
[0005]
[Problems to be solved by the invention]
Even if an I-number service is to be used for an extension terminal of a private branch exchange, the private branch exchange is not connected via a TA (terminal adapter) and therefore cannot receive a port number from the I-number line. There is a problem that cannot receive the number service.
[0006]
SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and its purpose is to be able to call an extension terminal by converting a port number notified from an I-number line into a dialed incoming call number. It is an object of the present invention to provide an excellent private branch exchange and its control method.
[0007]
[Means for Solving the Problems]
Private branch exchange according to the present invention for solving the above problem is a main controller for controlling the operation of the entire exchange換機, a storage device for storing exchange operation control program, the station data and a plurality of tables, ISDN supplementary service A telephone line forming a communication path between an office trunk that accommodates an I-number line, an extension trunk that connects extension terminals, and an office trunk that accommodates an I-number line that is an additional service of ISDN A private branch exchange having a path switch , wherein the main controller analyzes the call setting information notified from the I-number line, converts the port number into a dial-in incoming call number, and processes it. Features.
[0008]
The main controller of the private branch exchange according to the present invention analyzes the call setting information notified from the I-number line, converts the port number into a dial-in incoming call number, and processes it. The number can be changed to a dial-in incoming call number and an extension terminal assigned with the dial-in incoming call number can be called, and the convenience can be improved by effectively using the I-number service.
[0009]
The storage device according to the present invention includes a call setting information area for storing a dialed incoming call number and a conversion table area for storing a conversion table for converting a port number into a called number.
[0010]
The storage device according to the present invention includes a call setting information area for storing the dialed incoming call number and a conversion table area for storing a conversion table for converting the port number into the called number. Port numbers can be easily converted into dial-in incoming call numbers, extension terminals can be called using the dial-in incoming call function, and the I number service can be used with a simple configuration of conversion table software processing it can.
[0011]
Furthermore, the control method of the PBX according to the present invention converts the port number reported from I- number line to the called number of dial-in call, a control method of the PBX to handle, the I- number line A means for receiving call setting information including a port number notified from a storage means for storing, as a conversion called number, a dial-in incoming call number corresponding to the port number, with the port number of the received call setting information a step that searches for, determining whether conversion called number in the storage means is set in said determining step, if the conversion destination number is set, is the set the processing of dial-in call by converting called number, characterized by comprising a step of performing call processing for the extension terminal.
[0012]
A method for controlling a private branch exchange according to the present invention is a method for controlling a private branch exchange that converts a port number notified from an I-number line into a dialed-in incoming call number and processes the received number. Receiving the call setting information including the port number to be stored, and searching the storage means for storing the dial-in incoming call number as the conversion incoming call number corresponding to the port number, with the port number of the received call setting information In the step of determining whether the conversion called number is set in the storage means, and in the determining step, if the conversion called number is set, the set conversion called number is set. Dial-in incoming call processing by number and the step of executing extension terminal call processing, so that the port number of the I-number line is dialed. The extension terminal assigned with the dial-in incoming call number can be called by changing to the incoming call incoming call number, and the convenience can be improved by effectively using the I-number service.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the accompanying drawings. The present invention converts the port number notified from the I number line to the dialed-in incoming call number for the extension terminal that cannot use the I-number service, and uses the dialed incoming call function to convert the port number from the private branch exchange. Calls an extension terminal.
[0014]
FIG. 1 is a basic block diagram of an embodiment of a private branch exchange according to the present invention. In FIG. 1, a private branch exchange 1 includes a telephone line switch 2 that forms a communication path between extension telephones TEL1 to TELn that are extension terminals and an ISDN (Integrated Service Digital Network), and the private branch exchange 1 as a whole. A main control device 3 for controlling the operation, a storage device 4 for storing an exchange operation control program, station data and a plurality of tables, and a station trunk GT1 or station for accommodating an I-number line LIN which is an ISDN additional service. Station line trunks GT2 to GTl accommodating lines L1 to LK and extension trunks IT1 to ITn connecting extension telephones TEL1 to TELn which are extension terminals are provided. The speech path switch 2, the main control device 3, and the storage device 4 are connected via the internal bus BS.
[0015]
The extension telephones TEL1 to TELn are connected to the extension trunks IT1 to ITn via the extension lines Lr1 to Lrn, and the subscriber telephone set TEL is connected to the ISDN.
[0016]
The I-number line LIN has “3 number” of the I-number service, and a telephone number (called number) corresponding to this “3 number” is assumed to be assigned to the extension telephones TEL1 to TEL3.
[0017]
The communication path switch 2 forms a time-division switch, etc., and is connected to the extension trunks IT1 to ITn to form a communication path under the control of the main controller 3, and executes an extension call between the extension telephones TEL1 to TELn. Let
[0018]
Further, the communication path switch 2 connects the extension trunks IT1 to IT3 and the office line trunk GT1 to form a communication path under the control of the main control device 3, and the I-number line LIN and the I-numbers of the extension telephones TEL1 to TEL3. In addition to executing an outside line call in the number service, the extension trunks IT4 to ITn and the office line trunks GT2 to GTl are connected to form a communication path, and the outside line calls of the office lines L1 to Lk and the extension telephones TEL4 to TELn are executed.
[0019]
The main controller 3 has various processing functions and sequence functions based on a microprocessor, and controls the operations of the communication path switch 2, the extension trunks IT1 to ITn, and the office line trunks GT1 to GTl.
[0020]
The main controller 3 analyzes the call setting information of the I-number line LIN notified from the office line trunk GT 1, and dial-in incoming message data and conversion data in the call setting information area stored in the storage device 4. Read the conversion data of the area, convert the port number of the I-number line LIN to the dialed incoming call number, and control the extension trunks IT1 to IT3 that accommodate the extension telephones TEL1 to TEL3 corresponding to the converted called number; The extension telephones TEL1 to TEL3 are called from the extension trunks IT1 to IT3.
[0021]
Further, when receiving the dial-in incoming service, main controller 3 analyzes the called party numbers received and notified from the office line trunks GT2 to GTl from the office lines L1 to Lk and stored in the storage device 4 The message data of the dial-in incoming call in the call setting information area is read to control the extension trunks IT4 to ITn that accommodate the extension telephones TEL4 to TELn corresponding to the called numbers, and to call the extension telephones TEL4 to TELn from the extension trunks IT4 to ITn. To.
[0022]
The storage device 4 includes a fixed memory such as a ROM, a rewritable memory such as a RAM, an EEPROM, and a flash memory (FM), and stores various data and programs on the extension side and the outside line necessary for the operation of the private branch exchange 1. In addition, the operation of the control device 3 is supported, and various data are provided according to commands from the control device 3.
[0023]
The storage device 4 includes a call setting information area and a conversion table area. FIG. 3 is a memory area image diagram of the storage device according to the present invention. In FIG. 3, the storage device 4 stores a call setting information area 5 for storing the dialed incoming call number, and a conversion table for converting the port number included in the call setting information of the I-number line LIN into the called number. A conversion table area 6 is provided, and support for specifying the called number from the port number is executed under the control of the main controller 3.
[0024]
FIG. 2 is a sequence diagram of a system including a private branch exchange according to the present invention. In FIG. 2, when a line number for an I-number (for example, “03-XXX-xxx-0001”) is dialed from a subscriber telephone set TEL, the IDN is integrated in ISDN (Integrated Service Digital Network). -A line number for number (for example, "03-XXX-xxx-0001") is converted into a port number (for example, "1"), and call setting information including the converted port number is set. .
[0025]
Subsequently, when the ISDN (Integrated Service Digital Network) notifies the set call setting information to the office line trunk GT1 of the private branch exchange 1 via the I-number line LIN, the call setting information notified of the office line trunk GT1 is transmitted. Notify main controller 3.
[0026]
The main control device 3 analyzes the port number (for example, “1”) included in the call setting information, and uses the port number (for example, “1”) as the dial-in incoming call number (for example, “03-XX”). -Xxxx-0001 "), and the extension telephone TEL1 accommodated in the private branch exchange 1 is connected to the extension telephone TEL1 by sending out the call information to the extension telephone TEL1 corresponding to the called number. You can make a call using the service.
[0027]
Next, I-number incoming call setting information, dial-in incoming message data stored in the call setting information area 5 shown in FIG. 3, and conversion data stored in the conversion table area 6 will be described.
FIG. 4 is a configuration diagram of call setting information. In FIG. 4, call setting information 10 is a message configuration when an I-number is received, and a port number 12 (for example, “1”) is described in the facility information element 11.
[0029]
FIG. 5 is a configuration diagram of dial-in incoming message data. In FIG. 5, dial-in incoming message data 20 includes a called number information element 21, and by analyzing the contents of the called number information element 21, the called number 22 (for example, “03-XXX”). -Xxx * -0001 "), and the telephone can be connected to the extension telephone TEL1.
[0030]
FIG. 6 is a block diagram of the conversion data according to the present invention. In FIG. 6, the conversion data 30 is obtained by converting the port number 12 for I-number (for example, “1”) to the dialed incoming call number 22 (for example, “03-XXX-xxx × -0001”). Represents the entire data structure to be converted into
[0031]
The identification information 31 describes the identification information of the station trunk GT1, and the incoming call information 32 describes the port number (for example, “1”) corresponding to the identification information 31 of the station trunk GT1. Reference numeral 33 describes a conversion called number (for example, “03-XXX-xxx.DELTA.-0001”) corresponding to the incoming information 32 (port number “1”).
[0032]
Also, the conversion data 30 includes the identification information 31 of the station trunk GT1, the incoming information 32 (port number “1”), and the incoming call number 33 (for example, “03−” corresponding to the incoming information 32 (port number “1”)). ○○○-××× △ -0001 ") is one block, is composed of a plurality of blocks, can be freely rewritten according to operating conditions, etc., and accommodates a plurality of I-number lines. The incoming call number for conversion can be arbitrarily determined for each incoming call information (port number).
[0033]
As described above, the main controller 3 of the private branch exchange 1 according to the present invention analyzes the call setting information 10 notified from the I-number line LIN and converts the port number 12 into the dialed-in call destination number 22, Therefore, the port number 12 (for example, “1”) of the I-number line LIN is changed to the dial-in call destination number 22 to change the dial-in call destination number 22 (for example, “03-XXXXX”). XXΔ-0001 ") can be called, and the convenience can be improved by effectively using the I-number service.
[0034]
The storage device 4 according to the present invention further includes a call setting information area 5 for storing the dialed-in incoming number 22 and a conversion table area 6 for storing a conversion table for converting the port number 12 into the called number 22. Therefore, the port number 12 notified from the I-number line LIN can be easily converted into the dial-in incoming call number 22, and an extension terminal (for example, the extension telephone TEL1) can be called using the dial-in incoming call function. The I number service can be used with a simple configuration of software processing of the conversion table.
[0035]
Next, a description will be given of a method for controlling a private branch exchange that converts the I-number port number into a dial-in incoming call number for connection. FIG. 7 is an operation flowchart of the main part of an embodiment of the private branch exchange control method according to the present invention.
[0036]
In step S1, the identification information 31 in the conversion data 30 is searched with the port number 12 of the received call setting information 10, and the conversion destination number 33 is extracted. The operation of step S1 is executed by the local trunk GT1, the main control device 3, and the storage device 4.
[0037]
In step S2, it is determined whether or not the extracted conversion called number 33 is set. If the converted called number 33 is set, the process proceeds to step S3. On the other hand, if the conversion called number 33 is not set, the process proceeds to step S6. The operation of step S2 is executed by the main controller 3.
[0038]
In step S3, the facility information element 11 of the received call setting information 10 is deleted. The operation of step S3 is executed by the main controller 3.
[0039]
In step S4, the incoming call number information element 21 is edited based on the converted incoming call number 33. The operation of step S4 is executed by the main controller 3 and the storage device 4.
[0040]
In step S5, dial-in incoming call processing is performed, and call processing for extension terminals (for example, extension telephones TEL1 to TEL3) is executed. The operation of step S5 is executed by the main controller 3 and the extension trunks IT1 to IT3.
[0041]
In step S6, for example, dial-in incoming call processing is executed. The operation of step S6 is executed by the main controller 3.
[0042]
As described above, the private branch exchange control method according to the present invention searches for the identification information 31 in the conversion data 30 by the port number 12 of the received call setting information 10 and extracts the conversion called number 33. Step S2 for determining whether or not the extracted conversion called number 33 is set, step S3 for deleting the facility information element 11 of the received call setting information 10 if registered, and a conversion called number Step S4 for editing the incoming call number information element 21 based on No. 33, and Step S5 for executing dial-in incoming call processing and executing call processing of extension terminals (for example, extension telephones TEL1 to TEL3). -It is possible to change the port number 12 of the number line to a dial-in incoming call number and call an extension terminal to which the dial-in incoming call number is assigned. , It is possible to improve the convenience by effectively utilizing the I- number service.
[0043]
In this embodiment, one line of I-number line LIN and corresponding extension telephones TEL1 to TEL3 have been described. However, a plurality of I-number lines and corresponding extension telephones may be multiples of three. .
[0044]
【The invention's effect】
As described above, the main controller of the private branch exchange according to the present invention analyzes the call setting information notified from the I-number line, converts the port number into the dialed incoming call number, and processes it. The port number of the I-number line can be changed to a dial-in incoming call number, and the extension terminal assigned by the dial-in incoming call number can be called, and the I-number service can be used effectively to improve convenience Can be achieved.
[0045]
Further, the storage device according to the present invention includes a call setting information area for storing the dialed incoming call number and a conversion table area for storing a conversion table for converting the port number into the called number. Can easily convert the port number notified from a dial-in incoming call number, call an extension terminal using the dial-in incoming call function, and use the I number service with a simple configuration of conversion table software processing be able to.
[0046]
Further, the private branch exchange control method according to the present invention is a private branch exchange control method for converting a port number notified from an I-number line into a dial-in incoming call number, and processing the same. A means for receiving call setting information including a port number notified from a storage means for storing, as a conversion called number, a dial-in incoming call number corresponding to the port number, with the port number of the received call setting information In the step of searching for, in the step of determining whether or not a conversion called number is set in the storage means, and in the step of determining, if the conversion called number is set, the set conversion Dial-in incoming call processing using a called party number and executing a call processing of an extension terminal, so that the port number of the I-number line is set. It is possible to call the extension terminal assigned with the dial-in incoming call number by changing to the dial-in incoming call number, and to effectively use the I-number service to improve convenience.
[Brief description of the drawings]
FIG. 1 is a block diagram of an embodiment of a private branch exchange according to the present invention. FIG. 2 is a sequence diagram of a system including the private branch exchange according to the present invention. FIG. 3 is an image of a memory area of a storage device according to the present invention. [Fig. 5] Configuration diagram of call setting information. [Fig. 5] Configuration diagram of dial-in incoming message data. [Fig. 6] Configuration diagram of conversion data according to the present invention. [Fig. Main part operation flow diagram [Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Private branch exchange 2 Communication path switch 3 Main controller 4 Storage device 5 Call setting information area 6 Conversion table area 10 Call setting information 11 Facility information element 12 Port number 20 Dial-in incoming message data 21 Called number information element 22 Called number 30 Conversion data 31 Identification information: 32 of trunk line GT1 Incoming number (port number): 33 corresponding to identification information 31 Conversion destination number: TEL1 to TELn extension telephone TEL corresponding to port number 32 Subscriber telephones IT1 to ITn Extension trunk GT1 to GTl outside line trunk LIn I-number line L1-Lk office line Lr1-Ln extension BS internal bus

Claims (3)

A main control unit for controlling the exchange換機entire operation, exchange operation control program, and a storage device for storing the station data and a plurality of tables, the office line trunk for accommodating the I- number line, which is a supplementary service I SDN A private branch exchange comprising: an extension trunk for connecting the extension terminal ; and a communication path switch for forming a communication path between the extension trunk and a local trunk that accommodates an I-number line as an additional service of the ISDN. There,
The main control unit analyzes call setting information notified from the I-number line, converts a port number into a dial-in incoming called number, and processes the private branch exchange.   2. The storage device according to claim 1, further comprising: a call setting information area for storing a dialed incoming call number and a conversion table area for storing a conversion table for converting a port number into a called number. Private branch exchange. A method for controlling a private branch exchange, which converts a port number notified from an I-number line into a dialed incoming call number and processes it.
Receiving call setting information including a port number notified from the I-number line;
The port number of the received call setting information; you find a storage means for storing as a conversion destination number called number of dial-in incoming in association with the port number,
And determining whether the conversion destination number in the storage means is set,
In the determining step, a step if the conversion destination number is set, that the process of the dial ring by conversion destination number that was the set, executes the call processing of the extension terminal,
A method for controlling a private branch exchange comprising:

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