JPH0666987B2 - Function addition device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention relates to a function adding device capable of easily adding a new function to an electronic exchange.

With the development of the information society, the functions required for the telephone exchange network are becoming more and more diverse. On the other hand, as an automatic exchange constructed in recent years, a stored program control type electronic exchange is widely adopted. This kind of electronic exchange can add various new functions by updating the built-in exchange control program. However, each time a new function is added, it takes a lot of time and effort not only to create a program corresponding to the added function but also to change an existing exchange control program. Therefore, it is desirable to realize a means for reducing the labor and time required for changing the existing exchange control program when adding new functions, which are expected to increase in demand in the future.

[Conventional technology]

FIG. 3 is a diagram showing a transit exchange as an example of a storage program control type electronic exchange subject to the present invention, and FIG. 4 shows a basic exchange processing function (hereinafter referred to as a basic function) of the transit exchange. It is a figure which shows an example, and FIG.
It is a figure which shows an example of the process of the conventional additional function in a figure.

In FIG. 3, the relay exchange 1 is based on the communication network 4 for connecting and connecting the incoming relay line 2 and the outgoing relay line 3, and the switching control program and station data stored in the main storage device 5 for all operations. The central control unit 6 which controls exchange control is provided. The incoming relay line 2 and the outgoing relay line 3 both employ a common line signaling system, and the central control unit 6 controls various control signals that are exchanged between the front exchange and the rear exchange (not shown). It transmits and receives via signal transceivers (CS) 7 and 8, and signal lines 9 and 10.

In FIG. 4, the preceding exchange requesting the exchange connection between the incoming relay line 2 and the outgoing relay line 3, which is one of the basic functions of the transit switch 1, is connected to the address signal AD via the signal line 9.
Transmit R. In the repeater exchange 1, the central control device 6 analyzes the address signal ADR received via the control signal transmitter / receiver 7, and if it is determined that the request is for an exchange connection to the outgoing relay line 3, the exchange stored in the main storage device 5 is performed. The connection control program is executed, a predetermined outgoing trunk line 3 is selected, the speech path network 4 is controlled, and a speech path connecting the incoming trunk line 2 designated by the address signal ADR and the outgoing trunk line 3 selected is established. In addition to setting, the address signal ADR 'is transmitted to the succeeding exchange through the control signal transmitter / receiver 8 and the signal line 10. Address completion signal A from the succeeding exchange via signal line 10
When the CM is returned, the central control unit 6 which has received the address completion signal ACM via the control signal transmitter / receiver 8 analyzes the address completion signal ACM and returns it to the address signal ADR 'transmitted to the succeeding exchange. When the address completion signal ACM is determined to be the address completion signal ACM, the exchange control program is executed, and the address completion signal ACM 'is returned to the preceding exchange through the control signal transceiver 7 and the signal line 9. After that, communication is performed between the calling side and the called side. When the communication is completed and the disconnection signal CLF is transmitted from the preceding exchange through the signal line 9, the central control device 6 analyzes the disconnection signal CLF received through the control signal transmitter / receiver 7, and the communication network If it is determined that the call is a disconnection request for a call passing through the communication path set in 4, the switching connection control program is executed to control the communication path network 4 and the incoming relay line 2 and the outgoing relay line designated by the disconnection signal CLF. Three
The communication path connecting with and is released, and the disconnection signal CLF 'is transmitted to the succeeding exchange through the control signal transmitter / receiver 8 and the signal line 10.

Next, it is assumed that the relay exchange 1 is newly provided with a connection function for the voice storage communication processing device.

In FIG. 5, the preceding exchange which requests a connection to the voice storage communication processing device is an address with additional information including a special number for connecting the voice storage communication processing device and a calling subscriber number via the signal line 9. The signal IAI is transmitted. In the repeater exchange 1, the central control device 6 analyzes the address signal IAI with additional information received via the control signal transmitter / receiver 7, and when it determines that the connection connection request to the voice storage communication processing device is determined, the main storage device 5 The voice storage connection control program stored in is executed, and the additional dial reception instruction signal I is sent to the preceding exchange through the control signal transmitter / receiver 7 and the signal line 9.
Send back the DR. When the preceding exchange which receives the additional dial reception instruction signal IDR transmits the subsequent address signal ESA including the service class regarding the delivery method of the stored voice, the delivery destination subscriber number, the delivery time, etc. through the signal line 9, In the repeater exchange 1, the central control unit 6 receives the subsequent address signal ESA received via the control signal transmitter / receiver 7.
When it is determined to be a switching connection request to the voice storage communication processing device, the voice storage connection control program is executed, the outgoing relay line 3 leading to the voice storage communication processing device is selected, and the communication path network 4 is controlled. The address signal IAI with additional information is used to set a communication path for connecting the designated incoming trunk line 2 and the selected outgoing trunk line 3, and the control signal transmitter / receiver 8 and the signal line 1 are set.
The communication processing device connection request signal TPR is transmitted to the voice storage communication processing device via 0. The communication processing device response signal PRY from the voice storage communication processing device via the signal line 10.
Is sent back, the central control unit 6 controls the control signal transmitter / receiver 8
Communication processing device response signal PRY received via the communication processing device response signal PRY corresponding to the communication processing device connection request signal TPR transmitted to the voice storage communication processing device.
If Y is determined, the voice storage connection control program is executed,
The response signal ANN is returned to the preceding exchange through the control signal transmitter / receiver 7 and the signal line 9. Thereafter, communication is performed between the calling side and the voice storage communication processing device. After the communication is completed, the disconnection signal CLF is sent from the preceding exchange through the signal line 9.
Is transmitted, the central control unit 6 controls the control signal transmitter / receiver 7
The disconnection signal CLF received via the communication path network 4 is analyzed.
When it is determined that a call disconnection request is made through a communication path set in the inside, the voice storage connection control program is executed, and the communication path network 4 is controlled so that the incoming relay line 2 and the outgoing relay line 3 designated by the disconnection signal CLF are provided. The communication path connecting with and is released, and the disconnection signal CLF 'is transmitted to the communication processing device for voice storage via the control signal transmitter / receiver 8 and the signal line 10.

[Problems to be solved by the invention]

As is clear from the above description, in the conventional storage program control type electronic exchange, when a new function, for example, a connection function to the voice storage communication processing device is added, a new voice storage connection control program is added. It has to be created, modified and combined with the existing switching connection control program, etc., resulting in much effort and time.

[Means for solving problems]

The problem is a function of providing an exchange service not provided by an electronic exchange, a function of receiving a control signal transmitted from an exchange other than the electronic exchange on behalf of the electronic exchange, and analyzing the received control signal, When an exchange service not provided by the electronic exchange is requested, the exchange service is provided independently of the electronic exchange to transmit a required control signal to an exchange other than the electronic exchange, and an exchange provided by the electronic exchange. When a service is requested, a control signal requesting the electronic exchange to provide the exchange service is transmitted to the electronic exchange, and a control signal returned from the electronic exchange as a result of providing the exchange service is the electronic exchange. It is solved by the present invention in which a function addition device having a function of transmitting to other exchanges is added to the electronic exchange.

[Action]

That is, according to the present invention, when a new function is added to a conventional electronic exchange, a function addition device is installed side by side with the electronic exchange, and all control signals transmitted from the external exchange are once received by the function addition device. The new function is executed by the function adding device independently of the electronic exchange, and when it is necessary to execute the basic function that the electronic exchange has conventionally, the electronic function is converted into a control signal necessary for activating the basic function. Communicate to.

As a result, all newly added functions are executed by the function adding device, and the electronic exchange will execute the basic functions as before.Therefore, the existing electronic exchange does not require any function change, and the labor required for the function change And there is no time.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a function adding device according to an embodiment of the present invention, and FIG. 2 is a diagram showing an example of a processing process of the additional function in FIG. The same reference numerals denote the same objects throughout the drawings.

The repeater exchange 1 shown in FIG. 1 has only the basic functions shown in FIG. 4, and has the additional functions shown in FIG. 5 (that is, the connection function to the voice storage communication processing device). Make it not exist.

When such a repeater exchange 1 is requested to have an additional function for connecting to the voice storage communication processing device as described above, the repeater exchange 1 is assumed to have a basic function, and
As shown in the figure, a function adding device 11 for satisfying the additional function is added to the transit exchange 1.

The function adding device 11 includes a processor 14, control signal transceivers (CS) 15 and 18, and a storage device 16.

The control signal transceivers (CS) 15 and 18 have the same functions as the control signal transceivers (CS) 7 and 8 included in the repeater exchange 1.

Signal lines 9 and 10 provided between the front exchange and the rear exchange, which are not shown in FIG. 3, and the transit exchange 1 are control signal transceivers (CS) provided in the electronic exchange 1 in FIG. ) 7 and 8, instead of the control signal transmitter / receiver (C
S) 15 and 18.

A control signal transmitter / receiver (CS) included in the transit exchange 1
7 and a control signal transceiver (CS) 15 included in the function adding device 11 are connected by a signal line 12, and a control signal transceiver (CS) 8 included in the transit exchange 1
And a control signal transmitter / receiver (C
S) 18 is connected by a signal line 13.

Further, in the storage unit 16, in addition to the voice storage connection control program for the processor 14 to execute the above-mentioned additional function (that is, the connection function to the voice storage communication processing device), the function addition device 11 is not shown in the preceding exchange. And various control signals transmitted / received to / from the succeeding exchange via the signal lines 9 and 10, and various control signals transmitted / received to / from the transit exchange 1 via the signal lines 12 and 13, The correspondence table and the like for conversion are stored.

In FIG. 1 and FIG. 2, the preceding exchange requesting a connection to the voice storage communication processing device transmits the additional information added address signal IAI via the signal line 9. In the function adding device 11, the processor 14 receives the address signal IA with additional information received via the control signal transmitter / receiver 15.
When I is analyzed and it is determined that the call is a connection call to the voice storage communication processing device, the voice storage connection control program stored in the storage unit 16 is executed, and the call is forwarded via the control signal transmitter / receiver 15 and the signal line 9. The additional dial reception instruction signal IDR is returned to the exchange. When the preceding exchange that has received the additional dial reception instruction signal IDR transmits the subsequent address signal ESA via the signal line 9, the processor 14 receives the subsequent address signal ESA via the control signal transceiver 15.
And the storage connection request to the voice storage communication processing device is determined, the voice storage connection control program is executed, the area 17 of the storage unit 16 is referred to, and the address stored in correspondence with the subsequent address signal ESA is stored. Extract the signal ADR,
The signal is transmitted to the transit exchange 1 via the control signal transmitter / receiver 15 and the signal line 12. In the repeater exchange 1, when the central control device 6 analyzes the address signal ADR received via the control signal transmitter / receiver 7 and determines that the request is for a switching connection to the outgoing relay line 3 to the voice storage communication processing device, FIG. In the same process as in (1), the communication path network 4 is controlled to set a communication path for connecting the incoming relay line 2 designated by the address signal ADR and the outgoing relay line 3 reaching the voice storage communication processing device, and transmitting / receiving the control signal. The address signal ADR ′ is transmitted to the function adding device 11 via the device 8 and the signal line 13. In the function adding device 11, when the processor 14 analyzes the address signal ADR ′ received via the control signal transmitter / receiver 18, it is determined that the address signal ADR ′ transmitted to the transit exchange 1 is the returned address signal ADR ′. The voice storage connection control program is executed, the address completion signal ACM stored corresponding to the address signal ADR 'is extracted by referring to the area 19 of the storage unit 16, and is passed through the control signal transceiver 18 and the signal line 13. And transmits to the repeater exchange 1. In the repeater exchange 1, the central control device 6 analyzes the address completion signal ACM received via the control signal transmitter / receiver 8 and returns the address completion signal AC to the address signal ADR ′ transmitted to the function addition device 11.
When it is determined to be M, the address completion signal ACM 'is returned to the function addition device 11 via the control signal transmitter / receiver 7 and the signal line 12 by the same process as in FIG. In the function adding device 11, the address completion signal ACM ′ that the processor 14 receives via the control signal transmitter / receiver 15.
Address completion signal A transmitted to the repeater exchange 1 after being analyzed
When it is determined that the address completion signal ACM 'is returned to the CM, the voice storage connection control program is executed, and the address completion signal stored corresponding to the address completion signal ACM' is referred by referring to the area 20 of the storage unit 16. ACM ″ is extracted and transmitted to the preceding exchange through the control signal transmitter / receiver 15 and the signal line 9, and is also transmitted to the voice storage communication processor via the control signal transmitter / receiver 18 and the signal line 10. When the communication processing device for voice storage returns a communication processing device response signal PRY via the signal line 10, the processor 14 receives the connection request signal TPR via the control signal transmitter / receiver 18. The communication processing device response signal returned in response to the communication processing device connection request signal TPR, which is obtained by analyzing the response signal PRY and transmitting it to the voice storage communication processing device. When it is determined to be RY, the voice storage connection control program is executed, and the response signal ANN is returned to the preceding exchange through the control signal transmitter / receiver 15 and the signal line 9. Thereafter, the calling side and the voice storage communication processing device are connected. When the disconnection signal CLF is transmitted from the preceding exchange through the signal line 9, the processor 14 in the function addition device 11 receives the signal via the control signal transmitter / receiver 15 when the communication is completed. The disconnection signal CLF is analyzed, and if it is determined that the call set to the communication processing device for audio storage is disconnected, the audio storage connection control program is executed and relayed via the control signal transceiver 15 and the signal line 12. The disconnection signal CLF is transmitted to the exchange 1. In the relay exchange 1, the central control device 6 analyzes the disconnection signal CLF received via the control signal transmitter / receiver 7, and the inside of the communication path network 4 is analyzed. When it is determined that the call is to be disconnected via the set communication path, the input relay line 2 and the output relay line 3 which control the communication path network 4 and are designated by the disconnection signal CLF are processed in the same process as in FIG. The control signal transmitter / receiver 8
And the disconnection signal CLF ′ is transmitted to the function adding device 11 via the signal line 13. In the function adding device 11,
When the processor 14 analyzes the disconnection signal CLF 'received via the control signal transmitter / receiver 18 and determines that the disconnection signal CLF' is returned to the disconnection signal CLF transmitted to the transit exchange 1, the voice storage connection control program is executed. Then, the disconnection signal CLF ″ stored in association with the disconnection signal CLF ′ is extracted by referring to the area 21 of the storage unit 16, and the voice storage communication process is performed via the control signal transmitter / receiver 18 and the signal line 10. The disconnection signal CLF ″ is transmitted to the device.

When the address signal ADR first arrives from the preceding exchange via the signal line 9, the function addition device 11 analyzes the received address signal ADR, and as a result, the relay exchange 1
It is determined that the basic function of the relay exchange 1 is requested, and the received address signal ADR is passed through the signal line 12 to the transit exchange 1
Communicate to. Thereafter, the function adding device 11 transfers various control signals transmitted from the exchange and the succeeding exchange to the transit relay exchange 1 thereof, and the various control signals transmitted from the transit exchange 1 are the transit exchange of the succeeding exchange or the preceding exchange. Transfer to an exchange. As a result, the repeater exchange 1 executes the basic function by the same process as in FIG.

As is apparent from the above description, according to the present embodiment, when the exchange connection request call to the voice storage communication processing device arrives from the preceding exchange, the processor 14 of the function adding device 11 executes the voice storage connection control program. The relay exchange 1 only executes and executes the processing, that is, the relay exchange 1 only executes the exchange connection control program that receives the address signal ADR and exchange-connects the incoming relay line 2 and the outgoing relay line 3. , It is not necessary to have any function relating to the switching connection to the voice storage communication processing device, and no change is required to the existing function.

It is to be noted that FIGS. 1 and 2 are merely examples of the present invention until now. For example, the newly added function is not limited to the exchange connection function for the voice storage communication processing device, and other Many variations are considered, but in any case, the effect of the present invention does not change. Further, the object of the present invention is not limited to the transit exchange, and various modifications such as a subscriber line exchange are considered, but the effect of the present invention does not change in any case.

〔The invention's effect〕

As described above, according to the present invention, when a new function is added to the existing electronic exchange, the function addition device is added to the electronic exchange, and all the control signals transmitted from the external exchange are once received by the function addition device. When it is necessary to execute the basic function that the electronic exchange has conventionally, it is converted into a control signal necessary for starting the basic function and transmitted to the electronic exchange. As a result, all the newly added functions are executed by the function adding device, the electronic exchange executes the basic functions as before, and the existing functions do not require any function changes. I have no time.

[Brief description of drawings]

FIG. 1 is a diagram showing a function adding device according to an embodiment of the present invention, FIG. 2 is a diagram showing an example of a processing process of the additional function in FIG. 1, and FIG. 3 is a relay exchange subject to the present invention. 4 and FIG. 4. FIG. 4 is a diagram showing an example of a basic function of the transit exchange, and FIG. 5 is a diagram showing an example of a process of processing a conventional additional function shown in FIG. In the figure, 1 is a repeater exchange, 2 is an incoming trunk line, 3 is an outgoing trunk line, 4 is a communication network, 5 is a main storage device, 6 is a central control device, and 7, 8, 15 and 18 are control signal transceivers. (C
S), 9, 10, 12 and 13 are signal lines, 11 is a function addition device, 14 is a processor, 16 is a storage unit, 17, 1
9, 20 and 21 are areas, ADR and ADR 'are address signals, ACM, ACM' and ACM "are address completion signals, ANN and ANN 'are response signals, CL
F, CLF 'and CLF "are disconnection signals, ESA is a subsequent address signal, IAI is an address signal with additional information, ID
R indicates an additional dial reception instruction signal, PRY indicates a communication processing device response signal, and TPR indicates a communication processing device connection request signal.

Claims (1)

[Claims] 1. A function of adding to an electronic exchange to provide an exchange service not provided by the electronic exchange, a function of receiving a control signal transmitted from an exchange other than the electronic exchange on behalf of the electronic exchange, and receiving The control signal is analyzed, and if an exchange service not provided by the electronic exchange is requested, the exchange service is provided independently of the electronic exchange and the required control signal is transmitted to an exchange other than the electronic exchange. If an exchange service provided by the electronic exchange is requested, a control signal requesting the electronic exchange to provide the exchange service is transmitted to the electronic exchange, and the electronic exchange returns the result of providing the exchange service. And a function of transmitting the control signal to the exchange other than the electronic exchange.