CN102316229A - Inter-pulse code modulation (PCM) equipment telephone service interconnection device and method - Google Patents
Inter-pulse code modulation (PCM) equipment telephone service interconnection device and method Download PDFInfo
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- CN102316229A CN102316229A CN2010102273912A CN201010227391A CN102316229A CN 102316229 A CN102316229 A CN 102316229A CN 2010102273912 A CN2010102273912 A CN 2010102273912A CN 201010227391 A CN201010227391 A CN 201010227391A CN 102316229 A CN102316229 A CN 102316229A
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Abstract
The invention discloses an inter-pulse code modulation (PCM) equipment telephone service interconnection device and an inter-PCM equipment telephone service interconnection method. The audio telephone service interconnection device consists of an audio telephone service configuration module, a processing module, a digital signaling conversion and transceiver module and an audio data conversion and transceiver module. The method applied to the inter-PCM equipment audio telephone service interconnection device comprises a method for realizing interconnection between PCM equipment of different manufacturers by the PCM equipment of an SPC10 series and a method for realizing the interconnection between the PCM equipment of the different manufacturers and the PCM equipment of the SPC10 series. The inter-PCM equipment audio telephone service interconnection device has the characteristics of simple structure, technical reliability, low cost, wide application range and the like, and can be applied to inter-PCM equipment interconnection services.
Description
Technical field
The present invention relates to a kind of other professional PCM equipment such as numerical data special line, speech and image transmission that provide, what be specifically related to is voice frequency telephone business between a kind of different PCM device fabrication producer equipment device and method that interconnects.
Background technology
PCM equipment is used widely in a lot of industries, and the PCM equipment of numerous PCM producers is also constantly weeded out the old and bring forth the new.On-the-spot the user; The PCM of the various models of each producer deposits mutually; Because each producer pair generates the employing diverse ways with voice data and signaling-information; Cause the PCM equipment of each manufacturer production; Basically all be merely able to realize realize interconnecting between the PCM equipment that the our factory produced, and between the PCM equipment that different manufacturers is produced, because through the jitter accumulation of the E1 clock signal after the transmission; Audio signal digit sample format and the functional definition of user interface thick film element interface signaling be different caused incompatible and can't realize interconnecting completely problems such as equipment can not effectively play a role occur thereby the user occurs when carrying out business reorganization.
Continuous development along with the new technology new product; The employing technology of interconnecting is to use the PCM equipment at family further to promote the requirement of quality; Be badly in need of a kind of adopt standardized designs, simple in structure, cost is low, technology is reliable, the device of the voice frequency telephone of wide ranges and compatible each PCM producer, with interconnecting of the voice frequency telephone of realizing various PCM equipment.
Summary of the invention
In order to address the above problem, the present invention designs the interconnect device and the application process of a kind of PCM equipment room and voice frequency telephone, and it can realize interconnecting of various PCM equipment room voice frequency telephones.
For this reason; The present invention provides a kind of PCM equipment room voice frequency telephone business device that interconnects; It is characterized in that the said PCM equipment room voice frequency telephone business device that interconnects comprises: configuration module 1, processing module 2, digital signalling conversion transceiver module 3 and audio frequency transceiver module 4;
Wherein configuration module 1 generates configuration information according to the PCM equipment of different manufacturers;
Digital signalling conversion transceiver module 3 will send to processing module 2 from the signaling-information of the PCM equipment of different manufacturers, and the signaling-information of receiving processing module 2 after handling;
Audio frequency transceiver module 4 will send to processing module 2 from the audio signal of the PCM equipment of different manufacturers, and the audio signal of receiving processing module 2 after handling, and send in the corresponding audio time slot;
The method that the present invention also provides a kind of PCM equipment room telephone service to interconnect is characterized in that, comprises step: the PCM equipment according to different manufacturers generates configuration information; According to said configuration information the signaling-information of the equipment of different manufacturers is changed; According to said configuration information the audio signal of the equipment of different manufacturers is changed; And the audio signal after will handling is sent in the corresponding audio time slot.
Adopt said apparatus to compare with the PCM device of prior art with method, have simple in structure, flexible configuration, advantage such as technology is reliable, and cost is low, and the scope of application is wide, the telephone service that can be applicable to the different PCM of the manufacturer equipment rooms professional use of interconnecting.
Description of drawings
Fig. 1 is the system block diagram of the device that interconnects of PCM equipment room of the present invention and voice frequency telephone;
Fig. 2 is the system block diagram of the another embodiment of the device that interconnects of PCM equipment room of the present invention and voice frequency telephone;
Fig. 3 is the flow chart of the method that interconnects of PCM equipment room of the present invention and voice frequency telephone.
Embodiment
With reference to the accompanying drawings the present invention is done and describe.
As shown in Figure 1, this interconnection conversion device is mainly by configuration module 1, processing module 2, and digital signalling conversion transceiver module 3 is formed with audio frequency transceiver module 4; Processing module 2 mainly is made up of ARM (Advanced RISC Machines, a kind of general flush bonding processor) unit 2-1 and non-volatile One Time Programmable gate array FPGA unit 2-2.Configuration module 1 links to each other with processing module 2, and processing module 2 links to each other with voice data conversion transceiver module 4 with digital signalling conversion transceiver module 3 respectively.The signaling information that digital signalling conversion transceiver module 3 is received its receiver module is delivered to processing module 2; After the processing that treated module 2 is correlated with according to the configuration information of configuration module 1; Digital signalling after will handling is again delivered to sending module, and it is sent into the corresponding audio time slot.The voice data that voice data conversion transceiver module 4 is received receiver module is delivered to processing module 2; After the processing that treated module 2 is correlated with according to the configuration information of configuration module 1; Voice data after will handling is again delivered to sending module, and it is sent into the corresponding audio time slot.
The function that configuration module 1 is accomplished is, defines according to the audio sample form and the signaling capability of devices from different manufacturers, according to certain standard connected passage is configured, and configuration data is stored in the ARM 2-1 nonvolatile memory.The function that digital signalling conversion transceiver module 3 is accomplished is according to E1 interface audio frequency time slot, the logic level of different manufacturers signaling-information is carried out detection and Identification, and detection information is delivered to processing module 2.Programmable gate array FPGA unit 2-2 mainly accomplishes the off-hook ring of different-format signaling definition and the conversion of polarity upset; ARM processing unit 2-1 mainly changes the information that transceiver module 3 obtains through the ARM program with digital signalling and resolves and discern according to pattern arranged, generates relevant operational processes.Voice data conversion transceiver module 4 mainly is to receive the voice data of different-format and will become the voice data of the new required form of generation to send in the corresponding audio time slot according to configuration information.
Another enforcement according to the present invention is as shown in Figure 2, and wherein configuration module 1, processing module 2, digital signalling conversion transceiver module 3 and audio frequency transceiver module 4 are with shown in Figure 1 identical, and its function repeats no more at this.Different with Fig. 1 is, the device that interconnects of the telephone service between the PCM device fabrication producer equipment also comprises: E1 TSIU time slot interchange unit module 5 and telephone service processing module 6.
E1 TSIU time slot interchange unit module 5 mainly is responsible for the reception and the transmissions of E1 interfaces, and according to the control command of ARM 2-1 processing unit the time slot interconnection of E1 is handled.The 6 main processing of being responsible for the equipment self telephone service of telephone service processing module.
In concrete application flow process of the present invention, can arrange as follows:
1) the PCM equipment of different manufacturers is realized the method that interconnects between the three through device of the present invention (himself also be a PCM equipment, be called SPC10 Series PC M equipment below), and its flow process is:
1. the PCM equipment of different manufacturers is connected with the E1 interface of SPC10 Series PC M equipment through the E1 interface;
2. receive the digital audio and video signals that the equipment of different manufacturers is sended over by the E1 interface by SPC10 Series PC M equipment through the E1 interface, and digital audio and video signals is carried out the delta modulation code conversion according to the pattern that configures;
3. the result after will changing generates new audio digital signals according to configuration information;
4. receive the signaling that the equipment of different manufacturers is sended over by the E1 interface by SPC10 Series PC M equipment through the E1 interface, and signaling is carried out format conversion according to the pattern that configures;
5. the voice-grade channel of according to configuration information newly-generated audio digital signals and signaling being delivered to corresponding E1 interface sends.
2) realize the method that interconnects between the PCM equipment of different manufacturers and SPC10 Series PC M equipment are put, idiographic flow is divided into two kinds of forms:
2.1) the PCM equipment of different manufacturers interconnects to the direction of SPC10 Series PC M equipment, undertaken by following step:
1. the PCM equipment of different manufacturers is connected with the E1 interface of SPC10 Series PC M equipment through the E1 interface;
2. receive the digital audio and video signals that the equipment of different manufacturers is sended over by the E1 interface by SPC10 Series PC M equipment through the E1 interface, and digital audio and video signals is carried out the delta modulation code conversion according to the pattern that configures;
3. the result after will changing generates new audio digital signals according to configuration information;
4. will generate new audio digital signals and recover original analog signal through regeneration, decoding, after level and smooth;
5. receive the signaling that the equipment of different manufacturers is sended over by the E1 interface by device of the present invention through the E1 interface, and signaling is carried out format conversion according to the pattern that configures;
6. according to configuration information according to the local service processing demands, exchange to the local service processing module through audio analog signals and signaling after handling, do further processing.
2.2) SPC10 Series PC M equipment interconnects to the PCM equipment of different manufacturers, idiographic flow is:
1. the PCM equipment of different manufacturers is connected with the E1 interface of SPC10 Series PC M equipment through the E1 interface;
2. SPC10 Series PC M equipment receives the sampling of local telephony service simulated audio signal, quantification and encoding process through telephone-switching network.
3. the result after will changing generates new audio digital signals according to configuration information;
4. according to configuration information the local telephony service signaling is resolved;
5. according to configuration information newly-generated audio digital signals and signaling are delivered to the voice-grade channel of corresponding E1 interface and send.
The present invention also provides the method that interconnects of the telephone service between a kind of PCM device fabrication producer equipment, and idiographic flow is as shown in Figure 3.
The PCM equipment of different manufacturers is connected with the E1 interface of SPC10 Series PC M equipment through the E1 interface, when interconnecting, mainly contains two kinds of communication modes:
The PCM equipment of 1 different manufacturers is realized interconnecting between them through SPC10 Series PC M equipment;
The PCM equipment of 2 different manufacturers and SPC10 Series PC M equipment room are realized interconnecting.
The PCM equipment of producer 1, producer 2 is realized interconnecting between three equipment through SPC10 Series PC M equipment, is undertaken by following step:
1. the PCM equipment of producer 1, producer 2 is connected with the E1 interface of SPC10 Series PC M equipment through the E1 interface;
2. receive the digital audio and video signals that the PCM equipment of producer 1, producer 2 is sended over by the E1 interface by SPC10 Series PC M equipment through the E1 interface, and digital audio and video signals is carried out the delta modulation code conversion according to the pattern that configures;
3. the result after will changing generates new audio digital signals according to configuration information;
4. receive the signaling that the equipment of different manufacturers is sended over by the E1 interface by SPC10 Series PC M equipment through the E1 interface, and signaling is carried out format conversion according to the pattern that configures;
5. the voice-grade channel of according to configuration information newly-generated audio digital signals and signaling being delivered to corresponding E1 interface sends.
The PCM equipment of producer 1, producer 2 and SPC10 Series PC M equipment room are realized interconnecting, and idiographic flow is divided into two kinds of forms:
1) the PCM equipment of producer 1, producer 2 is undertaken by following step to the interconnecting of SPC10 Series PC M device orientation:
1. the PCM equipment of producer 1, producer 2 is connected with the E1 interface of SPC10 Series PC M equipment through the E1 interface;
2. receive the audio signal that the PCM equipment of producer 1, producer 2 is sended over by the E1 interface by SPC10 Series PC M equipment through the E1 interface, and digital audio and video signals is carried out the delta modulation code conversion according to the pattern that configures;
3. the result after will changing generates new audio digital signals according to configuration information;
4. will generate new audio digital signals and recover original analog signal through regeneration, decoding, after level and smooth;
5. receive the signaling that the equipment of different manufacturers is sended over by the E1 interface by SPC10 Series PC M equipment through the E1 interface, and signaling is carried out format conversion according to the pattern that configures;
6. according to configuration information according to the local service processing demands, exchange to the local service processing module through audio analog signals and signaling after handling, do further processing.
2) SPC10 Series PC M equipment is to the interconnecting of the PCM equipment of producer 1, producer 2, producer 3, and idiographic flow is:
1. the PCM equipment of producer 1, producer 2, producer 3 is connected with the E1 interface of SPC10 Series PC M equipment through the E1 interface;
2. SPC10 Series PC M equipment receives the sampling of local telephony service simulated audio signal, quantification and encoding process through telephone-switching network.
3. the result after will changing generates new audio digital signals according to configuration information;
4. according to configuration information the local telephony service signaling is resolved;
5. according to configuration information newly-generated audio digital signals and signaling are delivered to the voice-grade channel of corresponding E1 interface and send.
Claims (16)
1. PCM equipment room voice frequency telephone business device that interconnects; It is characterized in that the said PCM equipment room voice frequency telephone business device that interconnects comprises: configuration module (1), processing module (2), digital signalling conversion transceiver module (3) and audio frequency transceiver module (4);
Wherein configuration module (1) generates configuration information according to the PCM equipment of different manufacturers;
Digital signalling conversion transceiver module (3) will send to processing module (2) from the signaling-information of the PCM equipment of different manufacturers, and the signaling-information of receiving processing module (2) after handling;
Audio frequency transceiver module (4) will send to processing module (2) from the audio signal of the PCM equipment of different manufacturers, and the audio signal of receiving processing module (2) after handling, and send in the corresponding audio time slot;
Processing module (2), it is handled signaling-information and audio signal according to said configuration information.
2. the PCM equipment room telephone service according to claim 1 device that interconnects is characterized in that processing module (2) comprises ARM unit (2-1) and non-volatile programmable gate array FPGA unit (2-2).
3. the PCM equipment room telephone service according to claim 2 device that interconnects is characterized in that processing module (2) can self-definedly be provided with the speech conversion form.
4. the PCM equipment room telephone service according to claim 2 device that interconnects is characterized in that non-volatile programmable gate array FPGA unit (2-2) is changed the signaling format of said signaling-information.
5. the PCM equipment room telephone service according to claim 2 device that interconnects is characterized in that, ARM processing unit (2-1) carries out the delta modulation code conversion according to said configuration information to audio signal, to generate new audio signal.
6. the PCM equipment room telephone service according to claim 1 device that interconnects; It is characterized in that; Also comprise E1 TSIU time slot interchange unit module (5), its according to the control command of processing module (2) to said PCM equipment room telephone service the interconnect time slot interconnection of E1 interface of device handle.
7. the PCM equipment room telephone service according to claim 1 device that interconnects is characterized in that, also comprises telephone service processing module (6), and it handles the interconnect telephone service of device self of said PCM equipment room telephone service.
8. the method that PCM equipment room telephone service interconnects is characterized in that, comprises step:
PCM equipment according to different manufacturers generates configuration information;
According to said configuration information the signaling-information of the equipment of different manufacturers is changed;
According to said configuration information the audio signal of the equipment of different manufacturers is changed;
And the audio signal after will handling is sent in the corresponding audio time slot.
9. the method that PCM equipment room telephone service according to claim 7 interconnects also comprises step:
According to configuration information audio signal is carried out the delta modulation code conversion.
10. the method that PCM equipment room telephone service according to claim 8 interconnects also comprises step:
The audio signal that generates is recovered original analog signal through regeneration, decoding, after level and smooth.
11. the method that PCM equipment room telephone service according to claim 9 interconnects also comprises step:
According to the local service processing demands, audio signal and signaling after handling are exchanged to the local service processing module according to configuration information, do further processing.
12. the method that PCM equipment room telephone service according to claim 7 interconnects also comprises step:
Detect according to the logic level of E1 interface audio frequency time slot the signaling-information of the PCM equipment of different manufacturers.
13. the method that PCM equipment room telephone service according to claim 7 interconnects also comprises step:
To the off-hook ring of the signaling of the PCM equipment of different manufacturers and the conversion of polarity upset.
The application process of device is characterized in that 14. a PCM equipment room telephone service interconnects, and comprises step:
The PCM equipment of different manufacturers is connected with the E1 interface of SPC10 Series PC M equipment through the E1 interface;
Receive the audio signal that the equipment of different manufacturers is sended over by the E1 interface by SPC10 Series PC M equipment through the E1 interface, and audio signal is carried out the delta modulation code conversion according to the pattern that configures;
Result after the conversion is generated new audio signal according to configuration information;
Receive the signaling that the equipment of different manufacturers is sended over by the E1 interface by SPC10 Series PC M equipment through the E1 interface, and signaling is carried out format conversion according to the pattern that configures;
The voice-grade channel of newly-generated audio digital signals and signaling being delivered to corresponding E1 interface according to configuration information sends.
The application process of device 15. PCM equipment room telephone service according to claim 14 interconnects also comprises step:
Recover original analog signal with generating new audio signal through regeneration, decoding, after level and smooth.
The application process of device 16. PCM equipment room telephone service according to claim 14 interconnects also comprises step:
SPC10 Series PC M equipment receives the sampling of local telephony service simulated audio signal, quantification and encoding process through telephone-switching network;
According to configuration information the local telephony service signaling is resolved;
Newly-generated audio digital signals and signaling are delivered to the voice-grade channel of corresponding E1 interface and send according to configuration information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102273912A CN102316229A (en) | 2010-07-07 | 2010-07-07 | Inter-pulse code modulation (PCM) equipment telephone service interconnection device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102273912A CN102316229A (en) | 2010-07-07 | 2010-07-07 | Inter-pulse code modulation (PCM) equipment telephone service interconnection device and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107659857A (en) * | 2017-10-30 | 2018-02-02 | 申瓯通信设备有限公司 | A kind of method and apparatus that remote phone user access PBX is realized based on FPGA |
| CN110417606A (en) * | 2019-09-18 | 2019-11-05 | 南京丰泰通信技术股份有限公司 | A kind of digital construction communication apparatus |
| CN112019412A (en) * | 2020-08-27 | 2020-12-01 | 西安民兴信息工程有限责任公司 | Access device with signaling self-learning function |
| CN113472755A (en) * | 2021-06-17 | 2021-10-01 | 浙江恒捷通信科技有限公司 | PCM equipment supporting SIP access |
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| CN101568043A (en) * | 2009-04-30 | 2009-10-28 | 尹海盛 | In-band signaling interconnection device among PCM devices and application method |
| CN101577601A (en) * | 2009-04-30 | 2009-11-11 | 西安民兴信息工程有限责任公司 | Device for interconnecting signaling among PCM equipment and application method |
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| US5797102A (en) * | 1994-01-05 | 1998-08-18 | Nokia Mobile Phones Limited | Arrangement for adapting the signal level in mobile phones |
| CN101106574A (en) * | 2006-07-11 | 2008-01-16 | 上海科泰信息技术有限公司 | Pulse coding modulation integrated access device |
| CN101568043A (en) * | 2009-04-30 | 2009-10-28 | 尹海盛 | In-band signaling interconnection device among PCM devices and application method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107659857A (en) * | 2017-10-30 | 2018-02-02 | 申瓯通信设备有限公司 | A kind of method and apparatus that remote phone user access PBX is realized based on FPGA |
| CN107659857B (en) * | 2017-10-30 | 2023-06-23 | 申瓯通信设备有限公司 | Method and equipment for realizing access of far-end telephone user to PBX based on FPGA |
| CN110417606A (en) * | 2019-09-18 | 2019-11-05 | 南京丰泰通信技术股份有限公司 | A kind of digital construction communication apparatus |
| CN112019412A (en) * | 2020-08-27 | 2020-12-01 | 西安民兴信息工程有限责任公司 | Access device with signaling self-learning function |
| CN113472755A (en) * | 2021-06-17 | 2021-10-01 | 浙江恒捷通信科技有限公司 | PCM equipment supporting SIP access |
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Application publication date: 20120111 |