JPH10341461A - Communication equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a communication equipment capable of receiving a call even in the case that the call number does not match. SOLUTION: This communication equipment connected to a communication channel 2 and plural communication terminals 31-3n for informing the information of the called number, a caller number and termination attributes, etc., accompanying the start of communication is provided with a channel control part 11 connected to the communication channel 2 for receiving the information of the called number, the caller number and the terminal attributes, etc., a call control part 12 for receiving the information from the channel control part 11 and processing the information of the call number, the caller number and the terminal attributes, etc., plural call control parts 151-15n for receiving call selection signals from the call control part 12 and sending out call signals to the plural communication terminals 31-3n and storage parts 13 and 14 connected to the call control part 12 for storing the information of a dial-in number, the caller number and the terminal attributes, etc. Even when the call number does not match the dial-in number, but matches the other information, the call is received.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication apparatus connected to a communication network to which information such as a called number, a caller number and a terminal attribute is notified at the start of communication.

[0002]

2. Description of the Related Art FIG. 5 is a block diagram showing a configuration of an example of a conventional apparatus. This device is a communication device using dial-in, in which extension telephones 31 and 32 are connected to a PBX exchange 30 connected to an office line 33, and an extension telephone corresponding to the PBX dial-in number received from the public line 2. Is connected preferentially.

FIG. 6 is a block diagram showing the configuration of another example of the conventional apparatus. As shown in FIG. 6, the communication devices 61 and 62 that are connected to the basic rate ISDN line 60 in a multipoint manner select whether or not to receive a call according to the called number in the call setting information received from the ISDN line 60. In addition, it is possible to preferentially receive a call to a specific communication device.

Further, Japanese Patent Application Laid-Open No. 3-123295 discloses a method in which, when a telephone corresponding to a PBX dial-in number is busy, a dial can be added from a telephone at the origin and connected to another telephone. Have been.

[0005]

The above-mentioned conventional PBX
In dial-in, a telephone that does not support the dial-in number cannot receive the call, or only when the telephone corresponding to the dial-in number is busy, the call can only be received by adding a dial. There is a problem that it is not possible to receive calls selectively.

In the conventional ISDN, a fax
However, there is a problem that even if the HLC notifies the terminal adapter that the incoming call is for a fax, the incoming call cannot be received because the called number is different.

Accordingly, an object of the present invention is to provide a communication device capable of receiving an incoming call even when the called numbers do not match in order to solve the above-mentioned problem.

[0008]

In order to achieve the above object, the present invention is connected to a communication line and a plurality of communication terminals, and, when communication starts, a called number, a caller number, a terminal attribute, and the like. A communication device connected to a communication line and receiving information such as a called number, a caller number, and terminal attributes; and receiving information from the line control unit to receive a called number, a caller number, An incoming call control unit that processes information such as terminal attributes, and receives an incoming call selection signal from the incoming call control unit,
A plurality of terminal control units for transmitting incoming signals to the plurality of communication terminals; and a storage unit connected to the incoming control unit and storing information such as a dial-in number, a caller number, and a terminal attribute.
Even if the called number does not match the dial-in number, an incoming call can be received if other information matches.

Further, it is preferable that the incoming call control section sends out an incoming call selection signal when the caller number notified from the line control section matches the caller number stored in the storage section.

Further, it is preferable that the incoming call control section sends out an incoming call selection signal when the terminal attribute notified from the line control section matches the terminal attribute stored in the storage section.

Still further, the incoming call control section simultaneously sends out an incoming call selection signal to the plurality of terminal control sections, and outputs the earliest response from the communication terminals connected to the plurality of terminal control sections. It is preferable to connect to a communication line.

When the communication line is a public line and the communication terminal is an extension telephone, it preferably functions as a PBX exchange.

Further, the communication line is an ISDN line,
When the communication terminal is a telephone or a facsimile machine, it is preferable that the line control unit functions as an ISDN line control unit, the terminal control unit functions as an analog terminal control unit, and functions as a terminal adapter.

Further, a G4 facsimile apparatus is connected to the ISDN line, and the called number,
It is preferable that an incoming call notification signal including HLC besides information such as a caller number and terminal attributes is notified.

The communication apparatus according to the present invention is particularly applicable to a communication apparatus connected to a communication system in which information such as a called number, a caller number, or a terminal attribute is notified when a communication is started. And a storage device for storing information such as a caller number and terminal attributes. Even if the called number does not match the stored dial-in number, the notified caller number is stored in the stored caller ID. When the information matches the caller ID or when the notified information such as the terminal attribute matches the stored information, the incoming call is received.

With the above arrangement, the present invention enables a terminal having a non-matching called number to receive a call based on information such as a caller ID and terminal attributes.

[0017]

Next, an embodiment of the present invention will be described.
This will be described in detail with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of the communication device of the present invention. This device includes a public line 2 and a communication terminal 3
1 to 3n. The configuration of the communication device 1 includes a line control unit 11, an incoming call control unit 12, a storage unit a13,
Storage unit b14, terminal control unit A151 to terminal control unit N15
n. The public line 2 is a line control unit 1 of the communication device 1.
1 and notifies the line control unit 11 of information such as an incoming call notification signal, a called number, and a caller number. The communication terminals 31 to 3n are connected to the terminal control unit A151 to the terminal control unit N15n of the communication device 1 and receive an incoming notification signal from the terminal control unit A151 to the terminal control unit N15n, and then via the communication device 1. Is connected to the public line 2 and performs communication.
The line control unit 11 is connected to the public line 2 and the incoming call control unit 12, receives information such as an incoming call notification signal, a called number, and a caller number from the public line 2.
It transmits information such as an incoming request signal, a called number, and a caller number. The incoming call control unit 12 includes a line control unit 11, a storage unit a1
3, storage unit b14, terminal control unit A151 to terminal control unit N
15n, and receives information such as an incoming request signal, a called number, and a calling number from the line control unit 11, and
After receiving the dial-in number information from the storage unit 13 and the caller number information from the storage unit b14, and comparing these pieces of information, an incoming call selection signal is transmitted to one of the terminal control units A151 to N15n. Terminal controller A151-
The terminal control unit N15n includes an incoming call control unit 12, a communication terminal 31,
To 3n, receives an incoming call selection signal from the incoming call control unit 12, and transmits the incoming call signal to the terminals 31 to 3n.

Next, a procedure for performing communication will be described with reference to FIG. An incoming call notification signal is sent from the public line 2 to the communication device 1, and the communication terminal 31 is connected to the public line 2 to perform communication. To explain sequentially, first, the public line 2 sends an incoming notification signal, a called number,
Sends out the caller ID and other information. Line control unit 11
Is the incoming call notification signal, called number,
It receives information such as a caller number and transmits information such as an incoming call request signal, a called number, and a caller number to the incoming call controller 12. Upon receiving the incoming call request signal, the called number, the caller number, and the like from the line control unit 11, the incoming call control unit 12 stores
3, the dial-in number information is extracted and compared with the called number, thereby transmitting an incoming call selection signal to the terminal control unit 15n. At the same time, the incoming call control unit 12
Information such as a caller number received from the line control unit 11;
The mobile terminal compares the database with the database recorded in the storage unit b14, and transmits an incoming call selection signal to the terminal control unit A151.
When receiving the incoming call selection signal from the incoming call control unit 12, the terminal control unit A 151 sends out an incoming call signal to the communication terminal 31. Upon receiving the incoming call selection signal from the incoming call control unit 12, the terminal control unit N15n sends out an incoming call signal to the communication terminal 3n. The communication terminal 31 is connected to the public line 2 by starting reporting to the communication control unit A151 faster than the communication terminal 3n, and starts communication.

FIG. 2 is a block diagram showing the configuration of the first embodiment of the communication apparatus of the present invention. As the communication device of FIG.
The BX exchange 4 may be an example in which an extension telephone is applied as a communication terminal. The configuration of the PBX exchange 4 includes a line control unit 41, an incoming call control unit 42, a storage unit a43, a storage unit b44,
It comprises terminal control units A451 to N45n. Public line 2
Is connected to the line controller 41, and notifies the line controller 41 of information such as an incoming call notification signal, a called number, and a caller number by a modem signal. Extension telephones 51-5n
Are connected to the terminal control units A451 to N45n, receive an incoming notification signal from the terminal control units A451 to N45n, and are connected to the public line 2 via the PBX exchange 4 for communication. The line control unit 41 is connected to the public line 2 and the incoming call control unit 42, receives an incoming call notification signal and a modem signal from the public line 2, demodulates these signals, and transmits information such as a called number and a caller number. Then, information such as an incoming request signal, a called number, and a caller number is transmitted to the incoming call control unit 42. The incoming call control unit 42 includes a line control unit 41, a storage unit a
43, a storage unit b44, and terminal control units A451 to N45n, and receives information such as an incoming request signal, a called number, and a caller number from the line control unit 41. And the storage unit b4
4, and receives the caller number information and the extension telephone correspondence information from each other, and compares them.
45n is transmitted to any one of the terminals 45n. The terminal control units A451 to N45n are connected to the incoming call control unit 42 and the extension telephones 51 to 5n, receive an incoming call selection signal from the incoming call control unit, and transmit incoming signals to the extension telephones 51 to 5n.

Next, a procedure for performing communication will be described with reference to FIG. The communication is performed by sending an incoming notification signal from the public line 2 to the PBX exchange 4 and connecting the communication terminal 51 to the public line 2. First, public line 2
Sends an incoming notification signal, called number,
A line controller 41 for transmitting a modem signal including a caller number and other information receives an incoming call notification signal and a modem signal from the public line 2, demodulates the modem signal and demodulates the modem signal such as a called number and a caller number. The information is obtained, and information such as an incoming request signal, a called number, and a caller number is transmitted to the incoming call control unit 42. Upon receiving the incoming request signal, called number, caller number, and the like from the line control unit 41, the incoming call control unit 42 extracts dial-in number information and extension telephone correspondence information from the storage unit a43, and compares them with the called number. , And transmits an incoming call selection signal to the terminal control unit 45n. At the same time, the incoming call control section 42 searches the caller ID information received from the line control section 41 and the caller ID and extension telephone correspondence database recorded in the storage section b44, and also receives an incoming call to the terminal control section A451. Send the selection signal. Upon receiving the incoming call selection signal from the incoming call control unit 42, the terminal control unit A451 sends out an incoming call signal to the extension telephone 51. Upon receiving the incoming call selection signal from the incoming call control unit 42, the terminal control unit N45n sends out an incoming call signal to the extension telephone 5n. The extension telephone 51 is connected to the public line 2 and starts communication by issuing connection information to the communication control unit A451 faster than the extension telephone 5n.

Next, a second embodiment of the present invention will be described in detail.

FIG. 3 is a block diagram showing the configuration of a second embodiment of the communication apparatus according to the present invention. In this embodiment, a terminal adapter 7 is used as the communication device in FIG. 1, a telephone 81 and a facsimile device 82 are used as communication terminals, and an ISDN line 6 is used as a public line. In the terminal adapter 7 as a communication device, reference numeral 71 denotes an ISDN line control unit, an incoming call control unit 72, a storage unit a73, a storage unit b74, an analog terminal control unit a751, and an analog terminal control unit b752. The ISDN line 6 is connected to the ISDN line control unit 71 and notifies the ISDN line control unit 71 of an incoming notification signal (SETUP) including information such as a called number, a caller number, and HLC. The analog telephone 81 is connected to the analog terminal control unit a751,
After receiving the incoming call notification signal from the terminal 751, the terminal is connected to the ISDN line 6 via the terminal adapter 7 to perform communication. The facsimile device 82 includes an analog terminal control unit b7
52, after receiving an incoming signal from the analog terminal control unit b752, via the terminal adapter 7,
It is connected to the ISDN line 6 and performs communication. The ISDN line control unit 71 is connected to the ISDN line 6 and the incoming call control unit 72, receives an incoming call notification signal (SETUP) including information such as a called number and HLC from the ISDN line 6, and And information such as an incoming call request signal, a called number, and HLC. The incoming call control unit 72 is connected to the ISDN line control unit 71, the storage unit a73, the storage unit b74, the analog terminal control unit a751, and the analog terminal control unit b752.
Incoming request signal, called number, HL from ISDN line control unit
C, etc., and stores the dial-in number and the correspondence information of the analog terminal control unit from the storage unit a 73 from the storage unit b.
From 74, the information of the analog terminal controller connected to the facsimile is received and compared, and then an incoming call selection signal is transmitted to one of the analog terminal controllers a751 and b752. The analog terminal control units a751 and b752 include an incoming call control unit 72, a telephone 81, and a facsimile machine 82.
And receives an incoming call selection signal from the incoming call control section 72 and transmits the incoming call signal to the telephone 81 and the facsimile 82.

Next, a procedure for performing communication will be described with reference to FIG. Communication is performed by sending an incoming notification signal (SETUP) from the ISDN line 6 to the terminal adapter 7 and connecting the facsimile 82 to the ISDN line 6. First, the ISDN line 6 sends an incoming notification signal (SETUP) including information such as a called number, a caller number, HLC, and the like to the ISDN line control unit 71. The ISDN line control unit 71
Receiving the incoming call notification signal (SETUP), extracting the called number and HLC contained therein (HL in SETUP)
C may not be added), and transmits the incoming request signal, called number, and HLC to the incoming control unit 72. next,
When receiving the incoming request signal, called number, and HLC from the ISDN line control unit 71, the incoming call control unit 72 extracts the attribute information of the terminal connected to the analog terminal control circuit from the storage unit b74, and determines whether there is no HLC or G2 / If the fax is not a G3 fax, the dial-in number and the corresponding information of the terminal connected to the analog terminal control circuit are extracted from the storage unit a73, the called number is compared with the dial-in number, and the incoming call selection signal is sent to the analog terminal control circuit a751. To think,
Also, when the HLC is a G2 / G3 fax, an incoming call selection signal is output to the analog terminal control unit b752 based on the attribute information of the terminal connected to the analog terminal control circuit. Here, proceeding with the case where the HLC is a G2 / G3 fax, when receiving the incoming call selection signal from the incoming call control unit 72, the analog terminal control unit b752 sends the incoming call signal to the facsimile apparatus 82. When receiving the incoming signal from the analog terminal control unit b752, the facsimile apparatus 82 outputs connection information to the analog terminal control unit b752 and is connected to the ISDN line 6,
Start communication.

FIG. 4 is a block diagram showing the configuration of a third embodiment of the communication apparatus according to the present invention. In this embodiment, a terminal adapter 7 and an ISDN line 6 are connected to an analog telephone 81,
It comprises a facsimile machine 82 and a G4 facsimile machine 9. The ISDN line 6 is connected to the terminal adapter 7 and the G4 facsimile machine 9 and the G4 facsimile machine 9
Then, it receives a call request signal (SETUP) and transmits an incoming notification signal (SETUP) to the terminal adapter 7. The forms of the terminal adapter 7, the telephone 81, and the facsimile machine 82 are the same as those of the second embodiment of the present invention.

Next, a communication procedure will be described with reference to FIG. First, in the G4 facsimile apparatus 9, the HLC makes a call to the ISDN line 6 using the G4 facsimile apparatus.
Next, the ISND line 6 sends to the terminal adapter 7 an incoming call notification signal (SETUP) indicating that the HLC is a G4 facsimile machine. Since the terminal adapter 7 does not have a G4 fax machine, the terminal adapter 7 does not respond to the incoming call notification signal (SETUP). The terminal connected to the terminal adapter 7 at the multipoint with the ISDN line 6 has a G4 fax machine. If there is no response, no response is made to the incoming call notification signal (SETUP), and the ISDN line 6 transmits a disconnection or release message to the G4 fax machine 9. The terminal adapter 7 records in the storage unit, for example, the storage unit b74, that there is no terminal responding to the G4 fax machine and the caller number. Next, the G4 fax machine 9
Since there is no HLC responding to the call from the G4 fax device 9, a re-call is made to the ISDN line 6 to communicate with the G2 / G3 fax. The terminal adapter 7 receives an incoming call notification signal (SETUP) from the ISDN line 6, and sends an incoming signal to the facsimile apparatus 82 when the caller number in the signal matches the number stored earlier. Here, terminal adapter 7
Has a timer 76, and only when the HLC receives the incoming call notification signal (SETUP) of the same caller number within a predetermined time after receiving the incoming call notification signal (SETUP) as a G4 fax machine, Alternatively, an incoming signal may be given priority. In this way,
The facsimile 82 can communicate with the G4 facsimile machine 9.

[0027]

According to the communication apparatus of the present invention, the caller number is monitored, and if the caller number matches the stored number, the incoming call is received even if the incoming call number is different from the own dial-in number. . Therefore, there is an effect that communication can be performed even for an incoming call whose called number is different from its own dial-in number.

Also, by monitoring the terminal attribute information such as HLC or the retransmission sequence,
Even if the called number is different from your dial-in number,
Judgment is made from a facsimile machine, and an incoming call is received. Therefore, there is an effect that the facsimile apparatus can receive the incoming call more reliably.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration of a communication device according to the present invention.

FIG. 2 is a block diagram illustrating a configuration of a first exemplary embodiment of a communication device according to the present invention.

FIG. 3 is a block diagram showing a configuration of a communication apparatus according to a second exemplary embodiment of the present invention.

FIG. 4 is a block diagram illustrating a configuration of a third exemplary embodiment of a communication device according to the present invention.

FIG. 5 is a block diagram showing a configuration of an example of a conventional device.

FIG. 6 is a block diagram showing the configuration of another example of a conventional device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Communication apparatus 2 Public line 31-3n Communication terminal 11 Line control unit 12 Incoming call control unit 13 Storage unit a 14 Storage unit b 151 Terminal control unit 1 15n Terminal control unit N 4 PBX exchange 51-5n Extension telephone 41 Line control unit 42 Incoming call control unit 43 Storage unit a 44 Storage unit b 451 to 45n Terminal control unit 6 ISDN line 7 Terminal adapter 81 Telephone 82 Facsimile device 71 ISDN line control unit 72 Incoming call control unit 73 Storage unit a 74 Storage unit b 751 Analog terminal control unit a 752 analog terminal controller b 9 G4 facsimile machine 76 timer 33 central office 30 PBX exchange 31, 32 extension telephone 60 ISDN line 61, 62 communication device

Continued on the front page (51) Int.Cl. ⁶ Identification code FI H04Q 3/545 H04L 11/02 Z

Claims (7)

[Claims] A communication line connected to a plurality of communication terminals;
A communication device which is notified of information such as a called number, a caller number, and a terminal attribute along with the start of communication, and is connected to the communication line and receives information such as the called number, a caller number, and a terminal attribute. A control unit, receiving the information from the line control unit,
An incoming call control unit that processes information such as a caller number and a terminal attribute; a plurality of terminal control units that receive an incoming call selection signal from the incoming call control unit and send out an incoming call signal to the plurality of communication terminals; And a storage unit for storing information such as a dial-in number, a caller number, and a terminal attribute. If the other information matches even if the called number does not match the dial-in number, A communication device capable of receiving an incoming call. 2. The method according to claim 1, wherein the incoming call control section sends the incoming call selection signal when the caller number notified from the line control section matches the caller number stored in the storage section. The communication device according to claim 1, wherein: 3. The incoming call control signal is transmitted when the terminal attribute notified from the line control unit matches the terminal attribute stored in the storage unit. The communication device according to claim 1, wherein 4. The incoming call control section sends out the incoming call selection signal to the plurality of terminal control sections simultaneously, and the earliest one of the responses from the communication terminals connected to the plurality of terminal control sections. The communication device according to any one of claims 1 to 3, wherein the communication device is connected to the communication line. 5. The communication device according to claim 1, wherein the communication line functions as a PBX exchange when the communication line is a public line and the communication terminal is an extension telephone. 6. When the communication line is an ISDN line and the communication terminal is a telephone or a facsimile apparatus, the line control unit becomes an ISDN line control unit, the terminal control unit becomes an analog terminal control unit, The communication device according to claim 1, wherein the communication device functions as an adapter. 7. A G4 facsimile apparatus is connected to the ISDN line, and the ISDN line control unit stores the destination number,
7. The communication device according to claim 6, wherein an incoming call notification signal including an HLC in addition to information such as a caller number and a terminal attribute is notified.