JP4172608B2 - PB signal transmission control method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to P B signal transmission control method for performing transmission control of PB (Push Button) signal sent from the electronic exchange to the outside.
[0002]
[Prior art]
Conventionally, as this type of technology, in general, that have techniques may be used as shown in FIG. In FIG. 2, the technology relating to the PB signal transmission control of the conventional example is that a central processing unit (CPE) 1 for controlling the entire exchange, a speech path control device (SPC) 5 including a signal reception / distribution device 4, and a speech path package. Are constituted by speech path modules (SPM) 36a, 36b.
[0003]
The speech path control device (SPC) 5 is further subdivided from the tone generation circuit (TG) 2, the time division switch (SW) 3, and the central processing unit 1 that generate audible sounds such as dial tone and PB tone. And a signal receiving / distributing device (SRD) 4 that receives the data from each module, receives the data from each module, and transmits the data to the central processing unit 1.
[0004]
The speech path module (SPM) 36 a includes a module control device (MCNT) 22 and a local trunk 11.
[0005]
The module control device 22 as one component includes a time division switch interface unit (TSWIF) 8 and a control unit 23. The office line trunk 11 includes a highway interface unit (HWIF) 12, a digital / analog conversion circuit (D / A circuit) 13, a station line interface unit (office line IF) 14, and a control unit 15.
[0006]
The extension interface package 17 accommodated in the SPM 1 (36b) includes a highway interface unit (HWIF) 12, a digital / analog conversion circuit (D / A circuit) 13, a control unit 18, and a telephone interface unit (TELIF) 19. The
[0007]
The office line trunk 11 is a kind of speech path package. The office line IF 14 has an internal interface with the office line. The D / A circuit 13 performs digital-analog conversion. The HWIF 12 interfaces with a highway (HW) that includes audio data. The control unit 15 controls the inside of the office line trunk 11.
[0008]
The extension interface package 17 is a kind of speech path package. The TELIF 19 has an interface with the extension telephone 26 inside. The control unit 18 controls the extension interface package 17.
[0009]
In the office trunk 11 and the extension interface package 17, the HWIF 12 and the D / A circuit 13 having the same function are indicated by the same numbers.
[0010]
The speech path module (SPM) 36 has a back wiring board and a plurality of universal slots, and mounts a plurality of speech path packages.
[0011]
The module control device (MCNT) 22 controls a plurality of speech path packages accommodated in the speech path module 36.
[0012]
A highway (HW) signal, such as voice data, connects the module controller 36 and the speech path package via the data signal path 0 (SPMHW0) 44 into the SPM.
[0013]
The control signal of the speech path package is connected to the module control device 22 through the data signal path 0 (SPMD0) 45 into the SPM.
[0014]
In the module control device 22, a time division switch interface unit (TSWIF) 8 that connects a highway (HW) in the SPM and the time division switch 3, a signal reception / distribution device 4, and an interface for control signals of the speech path package And a control unit 23 for controlling the inside of the module control device 22.
[0015]
Next, the operation when making a call from the extension telephone 26 to the PB office line will be described.
[0016]
The control unit 18 detects the off-hook of the extension telephone 26 via the TELIF 19, the data is output from the extension interface package 17 to SPMD 0, and the control unit 23 in the module control device 22 transmits the detected data to the speech path control device (SPC) 5. To the signal receiving / distributing device 4 in the first serial data line (SD1) 21.
[0017]
The central processing unit 1 detects the off-hook of the extension telephone 26 based on the data from the signal receiving / distributing apparatus 4, controls the time division switch 3 to send a dial tone to the extension telephone 26, and is sent from the tone generation circuit 2. The dial tone is transmitted to the module control device 22 through the HW1. Data is transmitted from the module control device 22 to the HWIF 12 of the extension interface package 17 via SPMHW0, converted into an analog signal by the D / A circuit 13, and a dial tone is transmitted to the extension telephone 26 through the TELIF 19.
[0018]
Next, outgoing dials to the office line are counted by the control unit 18 in the extension interface package and transmitted to the central processing unit 1 through a route similar to that at the time of off-hook.
[0019]
The central processing unit 1 transmits control data for capturing the office line to the control unit 15 of the office line trunk 11 via the signal reception / distribution device 4, and the control unit 15 in the office line trunk 11 controls the office line IF 14. Capture the local line.
[0020]
The central processing unit 1 controls the time division switch 3 to transmit the PB signal generated by the tone generation circuit 2 to the HW0 (20), and receives it by the HWIF 12 in the office line trunk 11, and receives the D / A circuit 13 and the office line. A PB signal is sent to the office line via the IF 14. At this time, the central processing unit 1 controls the time division switch 3 to control the tone type and transmission time of the PB signal transmitted to the office line. That is, the time division switch 3 is turned on during the time for sending the PB signal, and the time division switch 3 is turned off when the transmission is stopped.
[0021]
FIG. 2 shows the configuration of the extension 1 and the office line 1, but there are a plurality of extensions and office lines, and the same operation as described above is performed when sending PB signals to a plurality of PB office lines. Do it every time. Further, the above description shows a case where a PB signal is sent to a local line. However, even when a PB signal is sent to an extension line, a dedicated line, etc., the transmission time control is performed by the central processing unit 1 as in the above description. .
[0022]
[Problems to be solved by the invention]
However, in the above conventional technique, the transmission time of the PB signal is controlled by the central processing unit turning on / off the time division switch, and the time is managed for each transmission line. Therefore, there is a problem that the load on the central processing unit may increase when the circuit scale is large.
[0023]
The present invention is intended to solve the above conventional problems, and its object is to provide a P B signal transmission control method with improved to reduce the load on the central processing unit capacity.
[0024]
[Means for Solving the Problems]
In order to achieve this object, a PB signal transmission control method according to the present invention includes a central processing unit for controlling the entire electronic exchange, a first switch, and a tone generation circuit in an electronic exchange accommodating a telephone and a line. A speech path control device having a plurality of speech path modules having a plurality of speech path packages for connecting the telephone or the line, a second switch and a central processing unit a P B signal transmission control method and a module control device and a control unit for controlling said second switch in response to an instruction, when sending a dial tone to the telephone, said central processing unit , Controlling the first switch of the speech path control device to generate a dial tone emitted from the tone generation circuit for the speech path module. When the PB signal is sent to the telephone connected to the speech path package mounted on the network and the PB signal is sent to the line, the central processing unit sends the PB signal type data to the module controller. The control unit that notifies the control unit and receives the PB signal type data performs on / off control of the switch related to the PB signal transmission time with respect to the second switch, and the PB generated from the tone generation circuit. A signal is transmitted to the line connected to the speech path package mounted on the speech path module .
[0028]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of the P B signal sending method according to the present invention with reference to the accompanying drawings. Referring to FIG. 1, an embodiment of PB signal transmission apparatus for use in P B signal transmitting method of the present invention is shown. FIG. 1 is a block diagram showing a configuration example of a PB signal transmission control device.
[0029]
In FIG. 1, a PB signal transmission control device of this embodiment includes a central processing unit (CPE) 1 that controls the entire exchange, a speech path control device (SPC) 5 that includes a signal reception / distribution device 4, a back wiring board, The speech path module (SPM) 16a, 16b has a plurality of universal slots and a plurality of speech path packages.
[0030]
The speech path control device (SPC) 5 is further subdivided from the tone generation circuit (TG) 2, the time division switch (SW) 3, and the central processing unit 1 that generate audible sounds such as dial tone and PB tone. And a signal receiving / distributing device (SRD) 4 that receives the data from each module, receives the data from each module, and transmits the data to the central processing unit 1.
[0031]
The speech path module (SPM0) 16a includes a module control device (MCNT) 7 and a local line trunk 11.
[0032]
The module control device (MCNT) 7 as one component includes a time division switch interface unit (TSWIF) 8, a time division switch 9, and a control unit 10. The office line trunk 11 includes a highway interface unit (HWIF) 12, a digital / analog conversion circuit (D / A circuit) 13, an office line IF 14, and a control unit 15.
[0033]
The extension interface package 17 constituting the speech path module (SPM1) 16b includes a HWIF 12, a D / A circuit 13, a control unit 18, and a TELIF 19.
[0034]
The office line trunk 11 is a kind of speech path package. The office line IF 14 has an internal interface with the office line. The D / A circuit 13 performs digital-analog conversion. The HWIF 12 interfaces with a highway (HW) that includes audio data. The control unit 15 controls the inside of the office line trunk 11.
[0035]
The extension interface package 17 is a kind of speech path package. The TELIF 19 has an interface with the extension telephone 26 inside. The control unit 18 controls the extension interface package 17.
[0036]
In the office trunk 11 and the extension interface package 17, the HWIF 12 and the D / A circuit 13 having the same function are indicated by the same numbers.
[0037]
The speech path module (SPM) 16 is equipped with a plurality of speech path packages.
[0038]
The module control device (MCNT) 22 controls the speech path package in the speech path module 16.
[0039]
A highway (HW) signal such as voice data connects the module control device 7 and the speech path package (11) via a highway 0 (SPMHW0) 24 in the SPM.
[0040]
The control signal of the speech path package is connected to the module control device 7 through the data signal path 0 (SPMD0) 25 in the SPM.
[0041]
In the module control device 7, a time division switch interface unit (TSWIF) 8 for connecting the highway 0 (SPMHW0) 24 in the SPM and the time division switch 3, a time division switch (SW) 9, and a signal reception / distribution device (SRD) 4 includes a control unit 10 that controls the interface of the control signal of the speech path package and the module control device 7.
[0042]
Next, an operation example according to the present embodiment will be described.
[0043]
The central processing unit 1 sends data for turning off the time division switch 9 in the module control device to each module control device 7 through the signal reception distribution device 4 at the time of initial setting.
[0044]
The control unit 10 in the module control device turns off the time division switch 9 by receiving data, that is, connects the SPMHW0 and the TSWIF8. Thereby, in the initial state, highways (HW0, HW1) from the speech path control device 5 are connected to SPMHW0.
[0045]
The central processing unit 1 detects the off-hook of the extension telephone 26 as described in the related art. Next, in order to send a dial tone to the extension telephone 26, the central processing unit 1 controls the time division switch 3 and outputs the dial tone sent from the tone generation circuit 2 to the HW1. At this time, control to the time division switch 9 in the Mosul control device is not performed. Accordingly, the dial tone output from the speech path control device 5 is output to the SPMHW0, and the dial tone is transmitted from the extension interface package 17 to the extension telephone 26.
[0046]
Next, the dial information of the extension telephone 26 is counted by the extension interface package 17 and transmitted to the central processing unit 1 as in the prior art. Next, the central processing unit 1 transmits control data to the local line trunk 11 via the signal reception / distribution unit 4 and the module control unit (MCNT) 7 in order to acquire the local line. After capturing the station line, the central processing unit 1 outputs the type of PB signal to be transmitted to the station line and the data of the transmission time to the signal reception / distribution unit 4 and passes to SD0 (21) to the control unit 10 of the module control unit 7. Send.
[0047]
The control unit 10 in the module control device 7 controls the time division switch 9 based on the PB signal type data from the central processing unit 1, and outputs the PB signal in the tone highway (THW) 6 to the SPMHW0 (24). The sending time is also controlled by controlling the time division switch 9 by the control unit 10 in the module control device 7. The PB signal output from the time division switch 9 is sent from the office line trunk 11 to the office line through SPMHW0.
[0048]
After sending all the PB signals, the control unit 10 notifies the central processing unit 1 of the completion of sending the PB signals, returns the time division switch 9 to the initial state, and sets the TSWIF 8 and SPMHW0 to the connected state.
[0049]
According to the embodiment described above with reference to FIG. 1, the PB signal transmission control is performed by each module control device 7. For this reason, the central processing unit 1 performs only the process of transmitting the PB signal type and transmission time data to the module control unit 7. In the above embodiment, an example in which two speech path modules 16 are connected is shown. However, even when a plurality of speech path modules 16 are connected, the same operation is performed. Further, the tone to be switched by the module control device 7 is not limited to the PB signal alone, and various tones included in the tone highway can be switched.
[0050]
In the above embodiment, the time division switch for switching the tone data and the HW from the time division switch is sent to the module control device and the tone data including the PB signal generated by the speech path control device is sent to the module control device. And PB signal transmission control is performed by the module control device.
[0051]
With this configuration, PB signal transmission control is performed by the module control device. For this reason, the central processing unit only notifies the PB signal type and transmission time data transmitted to the module control unit, and the load on the central processing unit can be reduced.
[0052]
The above-described embodiment is an example of a preferred embodiment of the present invention. However, the present invention is not limited to this, and various modifications can be made without departing from the scope of the present invention.
[0053]
【The invention's effect】
As kana bright et al from the above description, according to P B signal transmitting method of the present invention, transmission control of the PB signal is carried out in each module control unit, the central processing unit, the type of PB signals transmitted, transmission time Is only required to notify the module control device. For this reason, the load on the central processing unit is reduced and the processing capacity can be improved.
[Brief description of the drawings]
1 is a block diagram showing a configuration example of an embodiment of the PB signal transmission control device for use in a PB signal transmission control method of the present invention.
FIG. 2 is a block diagram showing a configuration example of a PB signal transmission control device used in a conventional PB signal transmission control method .
[Explanation of symbols]
1 Central processing unit (CPE)
2 Tone generator (TG)
3, 9 Time division switch (SW)
4 Signal receiving and distributing device (SRD)
5 Communication path control device (SPC)
6 Tone Highway 7 Module Controller (MCNT)
8 Time division switch interface (TSWIF)
10, 15, 18 Control unit 11 Trunk trunk 12 Highway interface unit (HWIF)
13 Digital / analog conversion circuit (D / A circuit)
14 Office Line Interface Unit (Office Line IF)
16 Communication path module 17 Extension interface package 20 Highway (HW)
21 Serial data signal path (SD)
24 Highway in speech path module (SPMHW)
25 Data signal path (SPMD) in speech path module
26 Extension telephone

Claims (1)

In an electronic exchange accommodating a telephone and a line, a central processing unit for controlling the entire electronic exchange, a speech path control device having a first switch and a tone generation circuit, and a speech path package for connecting the telephone or the line Module controller having a plurality of speech path modules having a plurality of channels, a second switch housed in the speech path module, and a controller for controlling the second switch according to an instruction from the central processing unit When, a P B signal transmission control method with a
When sending a dial tone to the phone,
The central processing unit controls the first switch of the speech path control device, and the telephone connected to the speech path package mounted on the speech path module is a dial tone emitted from the tone generation circuit To
When sending a PB signal to the line,
The central processing unit notifies PB signal type data to the control unit in the module control unit,
The control unit that has received the PB signal type data performs on / off control of a switch relating to a PB signal transmission time to the second switch, and transmits the PB signal emitted from the tone generation circuit to the speech path module. P B signal transmission control method for sending to the line connected to the speech path package mounted, and wherein the to.

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