JPH0819014A - Key telephone system - Google Patents

Abstract

PURPOSE:To attain access in a PB tone to a seat reservation system or the like by automatically sending a PB signal through a DP trunk line after line connection in the case of making a call from the key telephone set in which a tone key commanding conversion of DP/PB data in an exchange is not provided. CONSTITUTION:A main exchange 13 receiving a dial number signal from key telephone sets 14a-14n uses a detection section 44 to detect dial number data through a data conversion section 42, and a discrimination section (2) 52 discriminates DP data or PB data. In the case of the DP data, a timer value is set to a timer subtracter section 51 through the discrimination section (2) 52 and the timer is being decremented and expired, then a revision section 50 revises the storage content of a DP/PB data changeover storage section 47 into PB data by a command of the timer subtracter section 51. When any of the key telephone sets 14a-14n makes reservation to the seat reservation system or the like through a DP trunk line of the DP system, a PB signal for accessing is sent.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used in a seat reservation system for an airplane or the like, and sends a PB (push button) signal for access to a system connected to a DP (dial pulse) office line. Button telephone device.

[0002]

2. Description of the Related Art Conventionally, for example, a reservation access is made from a button telephone to a seat reservation system (computer) such as an airplane or a train. In this case, after the line is connected, a PB signal is transmitted by sequentially pressing a designated number from the exchange to the seat reservation system through the central line, and the seat reservation system performs processing for reservation reception by the PB signal.
FIG. 6 shows such a seat reservation system (computer).
FIG. 10 is a block diagram showing a configuration of a conventional key telephone device for performing the above access. In FIG. 6, this example is roughly configured by a main device 1 that accommodates a DP office line, and button telephones 3a, 3b, ... 3n that are connected to the main device 1 and that make internal or external calls.

The key telephones 3a and 3b here can instruct the main device 1 to switch conversion of DP / PB data by pressing a tone key.
It is assumed that the key telephone 3n is not provided with a tone key (not shown) and cannot instruct the main unit 1 to switch conversion of DP / PB data.

The main device 1 has, as its functional configuration, a data conversion section 2 for converting data from the button telephones 3a to 3n and a detection section 4 for detecting the office line supplementary data from the button telephones 3a to 3n. Have Furthermore, the copying unit 5
A storage unit 6 for storing DP / PB switching data;
/ PB data switching storage unit 7. Further, it has a station line capturing unit 8 for supplementing a station line, a changing unit 9 for changing DP / PB data, and a dial number sending unit 10 for sending a dial signal.

Next, the operation of this conventional example will be described. FIG. 7 is a flowchart showing the processing procedure of the operation of supplementing the central line. In FIG. 7, after the data from the key telephones 3a to 3n is converted by the data conversion unit 2, the detection unit 4 detects the office line capture data (calling signal) (step (S in the figure, S Shown) 10). After this detection, the copy unit 5 copies the stored contents of the storage unit 6 to the DP / PB data switching storage unit 7 (step 11), and the station line capturing unit 8 sends a dial tone signal from the exchange of the line network. To supplement the station line. When the detection unit 4 detects the dial number transmission data, the dial number transmission unit 10 refers to the DP content of the DP / PB data switching storage unit 7 and transmits the DP to the central line (step 12).

FIG. 8 is a flow chart showing a processing procedure of a dial number signal transmitting operation. In FIG. 8, when the tone keys are pressed using the key telephones 3a and 3b, the tone conversion data is detected by the detection unit 4 after the data conversion is performed by the data conversion unit 2 (step 2).
0). By this detection, the content stored in the DP / PB data switching storage unit 7 is changed to PB data for sending a dual tone. After this change, when the detection unit 4 detects the dial number transmission data (selection signal), the dial number transmission unit 10 causes the P / PB data switching storage unit 7
With reference to the B data content (step 21), it is determined whether or not it is PB data, and if it is PB data, a PB signal is sent to the central line (steps 22 and 23). In the case of DP data, the DP signal is sent to the central office line (step 24).
The key telephone 3n does not have a tone key,
This operation cannot be performed.

[0007]

As described above, in the above-mentioned conventional button telephone apparatus, only when the key telephones 3a and 3b are provided with tone keys, the main apparatus 1 converts the DP / PB data by pressing the tone keys. And the converted PB signal is sent to the office line. Therefore, DP /
There is a drawback in that a key telephone that is not provided with a tone key for instructing conversion of PB data cannot access the seat reservation system (computer) or the like through the DP station line.

The present invention solves the drawbacks of the prior art as described above, and when a call is made from a key telephone which is not provided with a tone key for instructing conversion of DP / PB data in an exchange, An object of the present invention is to provide a button telephone device in which a PB signal is automatically sent out through a DP station line after a line is connected and a seat reservation system (computer) or the like can be accessed by the PB signal, and the convenience thereof is improved. .

[0009]

In order to achieve the above-mentioned object, the invention according to claim 1 is an exchange which accommodates a central office line connected to a system for accessing by a push button signal, and is connected to this exchange. In a key telephone device equipped with a key telephone, a detecting means for detecting a call from the key telephone and the transmission of a dial number in the exchange, and a detecting means for detecting the start of the transmission of the dial number from the key telephone. This dial is used when the time until the line connection by the dial number is completed and the time until the line connection is completed by the time measuring means and the data from the key telephone is a dial pulse signal. It is a configuration including a conversion / transmission means for converting a pulse signal into a push button signal and transmitting it to a local line.

According to another aspect of the present invention, the button telephone device sets a timer value when the detecting means detects the start of sending the dial number from the button telephone as the time end of the line connection by the dial number of the time measuring means. In addition, the timer value is subtracted to measure until it reaches zero.

According to a third aspect of the present invention, the key telephone device is configured such that the time measuring means is provided with a time change setting means for changing the time until the line connection by the dial number is completed.

[0012]

According to the button telephone device of the present invention having the above structure, when the detecting means detects the start of sending the dial number from the key telephone, the time until the line connection by the dial number is completed When the time measurement is completed and the data from the key telephone is a dial pulse signal, the dial pulse signal is converted into a push button signal and transmitted to the station line. Therefore, DP / P in the exchange
When a call is made from a key telephone that does not have a tone key for instructing the conversion of B data, a PB signal is automatically sent out through the DP station line after the line connection, and the PB signal to the seat reservation system (computer) etc. Can be accessed by.

In the key telephone device according to the third aspect, the time counting means changes the time until the line connection is completed by the dial number. Therefore, it becomes possible to accurately access the seat reservation system (computer) or the like by the PB signal, which is different in the number of digits of the dial number and the time until the line connection is completed.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the key telephone device of the present invention will be described in detail with reference to the drawings. FIG. 1 is a block diagram showing the configuration of an embodiment of a key telephone device of the present invention. In FIG. 1, this example is connected to the main exchange 13 that accommodates the DP station lines La, Lb ... Ln, and is connected to the main exchange 13 to make an internal call and an external line call, and a seat reservation system for an airplane, a railroad, etc. ( It is generally configured by key telephones 14a, 14b ... 14n for accessing a computer).

The main exchange 13 has a switching circuit 15 for controlling internal and external calls and connected DP station lines La to Ln.
Station line circuits 16a, 16 for performing connection processing for incoming and outgoing with
b ... 16n. Furthermore, this main exchange 13
A control unit 18 for controlling a control program, a control program, a memory 19 for storing a call program and various function setting contents when the key telephones 14a to 14n are available or in use, the exchange circuit 15 and the key telephones 14a to 14n. And extension circuits 20a, 20b, ...

FIG. 2 is a block diagram showing a configuration example of the key telephone sets 14a to 14n. In FIG. 2, this example
The key telephones 14a to 14n each have the same circuit configuration and process input / output signal processing circuits 25 connected to the extension circuits 20a (20b ... 20n), sidetone processing, amplification of transmission signals and reception signals. And a telephone signal processing circuit (speech processor) 26. Further, a handset 27 including a microphone and a speaker, a control unit 28 for performing operation control by a setting function and sending a DP signal, a memory 29 for storing, for example, an abbreviated number and a setting state of a function selection key, and a light emitting diode ( It has a function selection key provided with an LED, an extension / outside line switching key, and a keyboard 31 such as a numeric keypad.

FIG. 3 is a functional block diagram of the configuration of FIG. In FIG. 3, in this example, the main exchange 13 has, as its functional configuration, a data conversion unit 42 for converting data from the button telephones 14a to 14n, and the key telephone 1
A detection unit 44 for detecting data that complements the DP station lines La to Ln from 4a to 14n and a copying unit 45 are provided. Further, a storage unit 46 that stores DP / PB switching data, a DP / PB data switching storage unit 47, and a determination unit that determines whether the station line supplement data from the key telephone sets 14a to 14n is DP data or PB data. (1) 48
And a station line capturing unit 49 for supplementing the DP station lines La to Ln. Also, a changing unit 50 for changing the DP / PB data, a timer subtracting unit 51 for counting the time until the connection with the other party is completed after transmitting the dial number (selection signal), and the dial number. A determination unit (2) 52 for determining whether the data is DP data or PB data,
It has a dial number sending unit 53 for sending a dial number to the DP office lines La to Ln.

Next, the operation of this embodiment will be described. FIG. 4 is a flowchart showing the processing procedure of the operation of supplementing the central line. 1 to 4, the key telephone 14
The data from a to 14n are converted by the data conversion unit 42, and then the detection unit 44 detects the local line capture data (step 30). After this detection is performed, the copy unit 45 copies the storage content of the storage unit 46 to the DP / PB data switching storage unit 47 (step 31). Next, the determination unit (1) 48 causes the DP / PB data switching storage unit 47.
The stored contents of the above are referred to (step 32), and the DP data or PB data is judged here (step 33). In the case of PB data in this determination (step 33: No), that is, when the PB data for capturing the office line is sent from the key telephones 14a to 14n, the DP data is sent to the public line network or the like to make a call. Is performed (step 34). In the case of DP data through the determination of DP data and PB data (step 33: Yes), the DP data of the station line capture is sent from the DP station lines La to Ln to the public line network (not shown) through the station line capture unit 49. To make a call.

In this way, the calling line signals are sent from the office line circuits 16a to 16n of the main exchange 13 to the DP office lines La to Ln, and the response signal from the public line network is sent to the main exchange 1.
The station line circuits 16a to 16n of No. 3 receive and station line capture is performed. This response signal corresponds to the exchange circuit 15 and the extension circuit 20a.
20n is output through the input / output signal processing circuit 25, the telephone signal processing circuit 26, and the handset 27 of the key telephones 14a to 14n. After this, from the keyboard 31, dial number (telephone number) such as seat reservation system
Is entered. This dial number signal is sent to the main exchange 13 through the control unit 28 and the input / output signal processing circuit 25. In the main exchange 13, key telephones 14a to 14n
The control unit 18 takes in the dial number signal from the extension circuits 20a to 20n and the exchange circuit 15. After this, the dial number (selection signal) transmission operation starts.

FIG. 5 is a flow chart showing the dial number (selection signal) sending operation in the main exchange 13. 1 to 3 and 5, button telephones 14a to 14n are shown.
In the main exchange 13 to which the dial number signal from is input, the detecting section 44 detects the dial number data through the data converting section 42 (step 40). When this detection is performed, the contents stored in the DP / PB data switching storage unit 47 are referred to (step 41), and the determination unit (2) 52 determines the DP data or PB data here (step 42).
When the DP data is determined in the determination in step 42 (Yes), the timer value is set in the timer subtraction part 51 through the determination part (2) 52 (step 43).

This timer value counts the time until the line connection through the seat reservation system of the other party and the line network is completed after the dial number (selection signal) is sent to the line network through the DP station lines La to Ln. To do. After this time, the button telephones 14a to 14n send the PB signal when the reservation operation is performed to the seat reservation system through the DP type DP station lines La to Ln to perform reservation access.

After setting the timer value in the timer subtraction unit 51 in step 43, the timer subtraction unit 51 subtracts this timer value and determines whether or not it has become zero (steps 44 and 45). If it is zero (Yes), the changing unit 50 changes the stored content of the DP / PB data switching storage unit 47 to PB data according to an instruction from the timer subtraction unit 51 (step 46). That is, the dial number (selection signal) is D
After sending out to the line network through the P station lines La to Ln, the line connection through the seat reservation system of the other party through the line network is completed, and then the seat telephone reservation system to the seat reservation system through the DP type DP station lines La to Ln. .About.14n can transmit the PB signal when the reservation operation is performed (step 47).

The timer value set in the timer subtraction unit 51 is the dial number (selection signal) of the DP station line La ...
It is the time until the line connection through the line reservation network with the other party's seat reservation system is completed after transmission to the line network via Ln. This time can be changed according to the number of digits of the dial number, in other words, the sending time. This setting change may be input, for example, from the keyboard 31 of the key telephone set 14a to 14n and set in the memory 19 through the control unit 28 and the control unit 18 of the main exchange 13.

[0024]

As is apparent from the above description, according to the button telephone device of the first and second aspects, the detecting means detects the start of sending the dial number from the key telephone. When the time until the line connection by the dial number of this detection is completed is completed and the data from the key telephone is a dial pulse signal, this dial pulse signal is converted to a push button signal and sent to the office line. Therefore, when making a call from a button telephone that does not have a tone key for instructing the conversion of DP / PB data at the exchange, a PB signal can be automatically sent out through the DP station line after the line is connected, and the seat This has the effect of enabling access to a reservation system (computer) by a PB signal.

In the key telephone device according to the third aspect of the invention, since the time until completion of the line connection by the dial number in the time measuring means can be freely changed, the difference in the number of digits of the dial number,
There is an effect that it becomes possible to surely access the seat reservation system (computer) or the like by the PB signal, which differs in connection time until the line connection is completed.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of a key telephone device of the present invention.

FIG. 2 is a block diagram showing a configuration example of a key telephone in FIG.

FIG. 3 is a functional block diagram of the configuration of FIG.

FIG. 4 is a flowchart showing a processing procedure of an operation of capturing a local line in the embodiment.

FIG. 5 is a flowchart showing a dial number sending operation in the main exchange in the embodiment.

FIG. 6 is a functional block diagram of accessing a seat reservation system in a conventional example.

FIG. 7 is a flowchart showing a processing procedure of an operation of capturing a local line in a conventional example.

FIG. 8 is a flowchart showing a processing procedure of a dial number signal sending operation in the conventional example.

[Explanation of symbols]

 13 main exchange 14a-14n button telephone 15 exchange circuit 16a-16n office line circuit 18 control unit 20a-20n extension circuit 28 control unit 31 keyboard 42 data conversion unit 44 detection unit 45 copying unit 46 storage unit 47 DP / PB data switching storage Part 48 Judgment part (1) 49 Station line capture part 50 Change part 51 Timer subtraction part 52 Judgment part (2) 53 Dial number sending part La-Ln DP station line

Claims (3)

[Claims] 1. A button telephone apparatus comprising an exchange that accommodates a station line connected to a system that is accessed by a push button signal and a button telephone that is connected to the exchange. A detecting means for detecting the transmission of a call and a dial number; and a time measuring means for measuring the time until the line connection by the dial number is completed when the detecting means detects the transmission start of the dial number from the key telephone. When the time measuring means completes the time measurement until the line connection is completed and the data from the key telephone is a dial pulse signal, the dial pulse signal is converted into a push button signal and is transmitted to the station line. A key telephone device, comprising: a conversion / transmission means for transmitting. 2. A timer value is set and the timer value is subtracted when the detecting means detects the start of sending the dial number from the key telephone as the time end of the line connection by the dial number of the time measuring means. The key telephone device according to claim 1, wherein the key telephone device measures time until it reaches zero. 3. The key telephone apparatus according to claim 1, wherein the time measuring means includes a time change setting means for changing a time until completion of line connection by a dial number.