JPH05300255A - Connection system for telephone exchange network - Google Patents

Abstract

PURPOSE:To allow the caller to discriminate correctness of dialing by sending in voice whether or not a call destination number is correct by a subscriber based on voice sent from a voice guide section. CONSTITUTION:When a control section 14 detects a call from a subscriber terminal equipment 1, a voice guide section 11 urges the entry of a destination number. When the caller dials a destination number, a dial signal is received by a dial reception section 12 and reported to a control section 14. The control section 14 returns the dial number from a guide section 11 to the caller. The caller listens to the voice message to inform of whether or not the dial number is correct in voice. A voice identification section 13 identifies the voice signal and informs the control section 14 of it. The control section 14 selects to urge redialing to the caller in response to the voice signal or to set a path between the caller and the called party.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone switching network connection system, and more particularly to a telephone switching network connection system for connecting to a called party by dialing from a calling party.

[0002]

2. Description of the Related Art FIG. 5 is a conceptual diagram of a conventional system. 1
Is a subscriber terminal (telephone), 2 is a subscriber circuit connected to the subscriber terminal 1, 3 is an exchange (NW) that is connected to the subscriber circuit 2, and performs an exchange operation, and 4 is a connection to the exchange 3. This is an inter-station relay device.

In the system thus constructed,
It is assumed that the subscriber terminal 1 is the calling party and originates the call. The inter-office relay device 4 receives the destination telephone number relating to the called party sent from the subscriber terminal 1, and transmits the telephone number to the subscriber terminal 1 by voice. After that, the inter-station relay device 4
Set up a path between the calling and called parties.

[0004]

SUMMARY OF THE INVENTION In the above-mentioned conventional system, a call connection operation is performed after a caller is informed of a called party number by voice and then the caller is not confirmed whether the number is correct. Was going on. Therefore, when connecting the calling party and the called party, if the called party number is incorrect, disconnect the call once,
I had to call again. Also, in conventional systems,
A uniform voice (for example, Japanese) regardless of the caller
Since the message can only be sent out, the content of the voice message may not be transmitted to foreigners.

The present invention has been made in view of the above problems. First, it is an object of the present invention to provide a telephone switching network connection system which allows a caller to judge whether a dialing is correct or incorrect. Secondly, it is an object of the present invention to provide a telephone switching network connection system capable of transmitting a voice message in an optimum language according to the caller's attribute (nationality).

[0006]

FIG. 1 is a block diagram showing the principle of the present invention. The same parts as those in FIG. 5 are designated by the same reference numerals. In the figure, 1 is a subscriber terminal, 3 is an exchange, and 1
Reference numeral 0 is an inter-station relay device. These devices make up the telephone exchange network. In the inter-office relay device 10, 11 is a voice guidance unit for sending a voice message to the subscriber terminal 1, 12 is a dial receiving unit for receiving a dial signal from the subscriber terminal 1, and 13 is a voice from the subscriber. Is a voice identification unit, 14 is a control unit that performs overall control operation, and 15 is a bus that connects these components.

[0007]

When the calling from the subscriber terminal 1 is detected, the control unit 14 prompts the voice guidance unit 11 to input the destination number.
When the caller dials the destination number, the dial receiving unit 12 receives the dial signal and notifies the control unit 14. The control unit 14 returns the dialed number from the voice guidance unit 11 to the caller. The subscriber (caller) hears the voice message and gives a voice notification if the dialed number is incorrect. The voice identification unit 13 identifies this voice and notifies the control unit 14 of it. The control unit 14 selects whether to prompt the caller to redial according to the voice (if wrong) or set a path between the caller and the called party (if correct). .. As described above, according to the present invention, the calling party can be made to judge whether the dialing is correct or not, and the troublesomeness of disconnecting the call and redialing the call once is released.

[0008]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 2 is a configuration block diagram showing an embodiment of the present invention. The same parts as those in FIG. 1 are designated by the same reference numerals. In the inter-office relay device 10, reference numeral 19 is a trunk including speech path switches S1 and S2. Reference numeral 16 is a subscriber monitoring unit that detects a call from a subscriber, 17 is a speech path control unit that controls switching of the speech path switches S1 and S2,
Reference numeral 18 is a selection signal transmission unit for transmitting the called number.

Reference numeral 20 is a transmission register for holding a special number from the calling party (subscriber terminal 1), 21 is a marker for performing switching control for switching the path in the exchange 3 from the transmission register 20 to the interoffice relay apparatus 10 side, 22 Is connected to the marker 21 and identifies the subscriber from the accommodation position of the subscriber,
A subscriber information receiving unit 23 is connected to the subscriber identifying unit 22 and receives subscriber information and notifies the control unit 14 of the subscriber information.
Further, in the exchange 3, 3a is an accommodation position for accommodating a plurality of subscriber terminals 1. The operation of the system configured as described above will be described below.

First, the calling party (subscriber terminal) 1 turns a special number dial. This special number dial is held in the transmission register 20. The transmission register 20 activates the marker 21 with the received special number. As a result, the path of the exchange 3 is extended from the caller 1-call origination register 20 up to that point to the caller 1-interoffice relay device 10.

The caller 1 is connected to the caller 1 through the path established in the exchange 3.
And the inter-station relay device 10 are connected. Subscriber monitoring unit 16
When the call from the subscriber is detected, the control unit 14
To notify. When recognizing the call from the subscriber, the control unit 14 activates the voice guidance unit 11, sends a fixed message by voice to the caller 1, and prompts the dial operation. Here, the language of the voice message sent from the voice guide unit 11 is a language corresponding to the attribute (nationality) of the caller 1.
The reason will be described below.

Since the marker 21 can know the accommodation position 3a in which the calling party 1 is accommodated, the accommodation position information can be recognized. This subscriber accommodation position information is the marker 2
The subscriber identification unit 22 is notified from 1. The subscriber identifying unit 22 can recognize the attribute and language of the subscriber corresponding to the subscriber accommodation position from the built-in conversion table 22a.

FIG. 3 is a diagram showing an example of the structure of the conversion table 22a provided in the subscriber identification section 22. As is clear from the figure, the subscriber attribute (nationality) and the corresponding language are stored for each accommodation position number. For example, if the caller who placed the call is in the accommodation position # 1, it is understood that the nationality of the subscriber is American and the language used is English. Such subscriber information is notified to the control unit 14 via the subscriber information receiving unit 23. When the language used by the subscriber is known, the control unit 14 activates the voice guidance unit 11, reads various messages stored in each language, and notifies the calling party 1 of the message. In this way, the message can be sent in the language according to the subscriber attribute.

When the caller 1 is prompted to perform a dial operation by a voice message, the caller 1 dials the destination telephone number. This dial number is received by the dial receiving unit 12 and notified to the control unit 14. The control unit 14 activates the voice guidance unit 11 based on this dial number.
As a result, the caller 1 is notified of the destination telephone number in the language used by the caller 1.

Further, the voice guidance unit 11 displays a message for confirming whether the called number is correct, for example, "○○".
Connect to ○○○○. If you like, "Yes",
If you make a mistake, answer “No”. Message such as ". Upon receiving this message, the calling party 1 answers "yes" or "no". This voice is recognized by the voice identification unit 13 and notified to the control unit 14.

Based on this answer, the control unit 14 recognizes whether the called number is wrong or correct. If the called number is incorrect, the voice guidance unit 11 is activated and a message for requesting the number correction again is sent. If the called party number is correct, the control section 14 activates the selection signal sending section 18 and sends the called party number (called party number).

When the transmission of the called party number is completed, the control unit 1
4 then activates the communication path control unit 17. The call path activation unit 17 connects the call path switches S1 and S2 in the trunk 19 in the opposite manner to the drawing. As a result, a path is set up between the calling party 1 and the called party (not shown), and the telephone call becomes possible. The subscriber monitoring unit 16 monitors the call end between the calling party 1 and the called party, and when detecting the call end, the control unit 1
Notify 4. When the control unit 14 recognizes the call end notification, it activates the call path control unit 17, and the call path switches S1 and S2.
To the original state.

FIG. 4 is a block diagram showing the configuration of another embodiment of the present invention. The same parts as those in FIG. 3 are designated by the same reference numerals. In the figure, 14 is an MPU as a control unit, 3
6 is an RO with a built-in control sequence (program)
M and 37 are RAMs that operate as work areas. Three
Reference numeral 0 is a hybrid circuit that performs conversion of 2 lines / 4 lines, and separates up and down lines. 31 is a codec that performs mutual conversion between analog signals and digital signals, 32 is a message memory in which voice messages are stored for each language, 3
Reference numeral 3 is a digital signal processor (DSP) for performing voice identification, which corresponds to the voice identification unit 13 in FIG.
The message memory 32 and the DSP 33 are connected to the codec 31.

Reference numeral 12a is a PB (push button) signal receiving section connected to the hybrid circuit 30, and 12b is a DP (dial pulse) receiving section connected to the speech path switch S1. These components 12a and 12b correspond to the dial receiving unit 12 of FIG. RL1 and RL2 are relays that are turned on / off by the communication path control unit 17. The call path switch S1 is a contact point of the RL1, and the call path switch S2 is a contact point of the RL2.

Reference numeral 34 is a codec connected to the speech path switch S2, and 35 is an MF connected to the codec 34.
MF signal memory for storing (multi-frequency) signals. The operation of the system configured as described above will be described below.

When the calling party 1 makes a call, the calling register 20
Receives the first dial (special number dial) and then activates the marker 21. The marker 21 controls the exchange 3 based on the first dial so that the subscriber 1 receives the subscriber 1 from the interoffice relay device 10
Connect to. When the caller 1 is connected to the inter-office relay device 10, the subscriber monitoring unit 16 recognizes the call and notifies the MPU 14 of the call.

The MPU 14 reads the designated voice data from the message memory 32. The read data is converted into analog voice by the codec 31. This analog voice is a hybrid circuit 3 that mixes upstream and downstream voices.
Through 0, caller 1 is notified and instructed to dial the called party number.

When the calling party 1 dials the called party number (second dialing), the number is the PB signal receiver 12a.
Alternatively, it is received by the DP signal receiver 12b and notified to the MPU 14. The MPU 14 uses the message memory 32 to convert the callee number into voice and a fixed voice to confirm whether the callee number is “correct” or “error”, for example, as described above. , "Connect to ○○○○ of ○○. If yes, answer" Yes "and if wrong, answer" No "."

With this guidance, the caller 1 replies by voice whether the called number is correct or incorrect. This voice is hybrid circuit 3
Enter codec 31 via 0. Then, it is converted into digital voice by the codec 31 and input to the DSP 33. The DSP 33 recognizes "yes" and "no" and notifies the MPU 14 of it.

When the MPU 14 recognizes that the called party number is incorrect, the MPU 14 activates the message memory 32 and corrects the called party number, for example, "Please dial again." Notify 1. If the called number is correct, the MF signal memory 35 is activated. From the MF signal memory 35, a digital signal of the called number is output.

This digital signal is transmitted to the subsequent codec 3
4, the signal is converted into an analog MF signal and the called number is sent to another station. When transmission of the called party number is completed, MP
U14 activates the communication path control unit 17. Call path control unit 1
Reference numeral 7 drives the relays RL1 and RL2, operates the communication path switches S1 and S2 which are the contacts thereof, and connects the calling party 1 and the called party (not shown).

Here, the subscriber monitoring unit 16 monitors the connection state of the calling party 1 and, when detecting that the calling party 1 or the called party has disconnected the call, notifies the MPU 14 of the disconnection. The M
The PU 14 activates the communication path control unit 17 again. The communication path control unit 17 operates the relays RL1 and RL2 to restore the trunk 19. As a result, the communication path switches S1 and S2 in the trunk 19 return to the state shown in the figure.

In the above series of operations, when sending a voice message from the message memory 32 to the calling party 1, the guidance in the language based on the attribute (nationality) of the calling party 1 is shown in FIG. Same as the embodiment. That is, the subscriber identification unit 22 refers to the conversion table 22a to determine the attribute of the calling party 1 from the accommodation position of the calling party 1,
Select the corresponding language. The subscriber information receiving unit 23 notifies the MPU 14 of this identification result. MPU1
Reference numeral 4 controls the reading of the message memory 32 so that the voice corresponding to the caller 1, for example, English or French, is transmitted.

[0029]

As described above in detail, according to the present invention, it is possible to first provide a telephone switching network connection system which allows a caller to judge whether a dialing is correct or not. In addition, it is possible to provide a telephone switching network connection system capable of transmitting a voice message in an optimal language according to the caller's attribute (nationality), and the practical effect is great.

[Brief description of drawings]

FIG. 1 is a principle block diagram of the present invention.

FIG. 2 is a configuration block diagram showing an embodiment of the present invention.

FIG. 3 is a diagram showing a configuration example of a conversion table.

FIG. 4 is a configuration block diagram showing another embodiment of the present invention.

FIG. 5 is a conceptual diagram of a conventional system.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Subscriber terminal (caller) 3 Switch 10 Inter-station relay device 11 Voice guidance unit 12 Dial receiving unit 13 Voice identification unit 14 Control unit 15 Bus

Claims (5)

[Claims] 1. A system comprising a subscriber terminal (1), a switchboard (3) and an inter-station relay device (10), wherein the inter-station relay device (10) includes a subscriber terminal (1). A voice guidance unit (11) for sending a voice message to the subscriber, a dial reception unit (12) for receiving a dial signal from the subscriber terminal (1), and a voice identification unit (13) for identifying the voice from the subscriber. And a control unit (14) for performing overall control operation, which is a connection system for a telephone switching network. 2. When confirming the call from the subscriber terminal (1), the voice guidance unit (11) in the inter-office relay device (10)
When an instruction message for dial operation is sent to the subscriber terminal (1) and the subscriber terminal (1) responds to the dial operation, the dial receiving unit (12) receives and receives this dial number. The dialing number is sent from the voice guidance unit (11) to the subscriber terminal (1), and the subscriber checks the received voice to see if the calling number is correct. The telephone according to claim 1, wherein "No" is transmitted as a voice in the case, and the received voice response is identified by the voice identification unit (13) on the side of the interoffice relay device (10). Switching network connection system. 3. The voice recognition unit (1)
If the result of identification by 3) is incorrect, the voice guidance unit (11) prompts the dial operation again, and if correct, the path between the calling party and the called party is set. The telephone switching network connection system according to claim 2. 4. A marker (21) for controlling switching of the exchange (3), and a subscriber identification unit (22) connected to the marker (21) for identifying the subscriber from the accommodation position of the subscriber. ) And the output of the subscriber identification unit (22), the control unit (14)
2. The telephone switching network connection system according to claim 1, further comprising a subscriber information receiving section (23) for notifying the subscriber. 5. A conversion table (22a) storing a relationship between a subscriber accommodation position, a subscriber attribute, and a corresponding language is provided in the subscriber identification section (22), and the control section (14) includes: Depending on the contents of the conversion table (22a), the voice guidance unit (1
5. The telephone switching network connection system according to claim 4, wherein the message is sent from 1) to the subscriber terminal.