CN101662551A - Enterprise converged communication system - Google Patents

Enterprise converged communication system Download PDF

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Publication number
CN101662551A
CN101662551A CN200810142133A CN200810142133A CN101662551A CN 101662551 A CN101662551 A CN 101662551A CN 200810142133 A CN200810142133 A CN 200810142133A CN 200810142133 A CN200810142133 A CN 200810142133A CN 101662551 A CN101662551 A CN 101662551A
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module
communication system
layer
interface
dsp
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CN101662551B (en
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廖永坤
黎荣满
王良田
何伟
乐远崇
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Shenzhen Dongjin technology Limited by Share Ltd
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DONGJIN COMMUNICATION TECHNOLOGY Co Ltd SHENZHEN CITY
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Abstract

The invention relates to an enterprise converged communication system, which comprises a master control board, a signal access module, an application control module and a user terminal module. The signal access module is in communication connection with a public telephone switching network or an Ethernet respectively; the master control board performs digital processing of the accessed signals through an access FIFO interface; and the application control module performs routing distribution of the user terminal module through a TCP/IP interface so as to realize the access of the user terminal.The enterprise converged communication system is characterized in that the master control board is integrated with an ARM core and a DSP core, and the ARM core and the DSP core are in communication connection through a shared memory interface module. A double-core chip adopted by the enterprise converged communication system can ensure efficient and accurate function implementation and greatly reduces the hard cost of the system; and a reasonable and clear layering structure can greatly reduce the cost of software development, and remarkably improve the stability and reliability.

Description

Enterprise converged communication system
Technical field
The present invention relates to communication system, more particularly, relate to a kind of enterprise converged communication system.
Background technology
Along with the further raising of present IT application in enterprises degree, increasing in, the user of small enterprise presses for that a kind of cost is lower, integrated level is higher, (Computer TelephonyIntegration, the computer telephone integration) system that uses simple CTI.In general, this power system capacity is less, but desired multiple functional.All information types such as voice, fax, Email, mobile short-message, multimedia and data can be combined together, any reception in the communication equipments such as available phone, fax, mobile phone, PC, palmtop PC, PDA, framework plays a passage that information is interconnected between wired, wireless, the Internet.Allow people no matter any time, any place, can pass through any equipment, any network, obtain the free communication of data, image and sound.
Present CTI system has following defective: the one, and the complexity of the API that system provides causes the equipment development cycle long, soft cost height; The 2nd, the structural design of existing system is desirable not to the utmost, and the processor efficient of employing is not high enough, and function realizes that accuracy is lower, and then causes the unit intensity hard cost higher; The 3rd, the warm ability of the information of present system is lower, and can't realize multimedia such as voice, fax, e-mail and data message combined together also can't provide transmitting-receiving service anywhere or anytime for the user.
Summary of the invention
The objective of the invention is to, at exist inefficient expensive of existing enterprise communication system and problem that fusion faculty is lower, provide the high-performance of the required integrated speech of a kind of enterprise customer, video signal, data and multiple service, converged communication system cheaply.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of enterprise converged communication system, comprise master control borad, one or more signal access module, one or more application controls module and one or more user terminal module; Described one or more signal access module is connected with public switched telephone network or ethernet communication respectively, described master control borad carries out digital processing to described access signal, thereby described one or more application controls module is carried out route assignment by the TCP/IP interface to described one or more user terminal modules and is realized that user terminal inserts, it is characterized in that, described master control borad is integrated, and ARM nuclear and DSP examine, and described ARM nuclear is connected by the communication of shared drive interface module with DSP nuclear.
In enterprise converged communication system of the present invention, described master control borad is integrated with Leonardo da Vinci ARM+DSP double-core chip, and the scheduling that described ARM nuclear is responsible for application software, operation flow is handled; Described DSP nuclear is responsible for the processing of Media Stream, signaling and is cooperated base plate and traditional TDM business and the IP operation of professional buckle access, and telecommunication service is connected with the Internet.
In enterprise converged communication system of the present invention, described ARM nuclear inner module and DSP nuclear inner module communicate by shared drive.
In enterprise converged communication system of the present invention, described DSP nuclear and the interface structure of described ARM nuclear adopt the mode of shared drive poll, carry out communication according to the pack arrangement form of ITP communication package definition.
In enterprise converged communication system of the present invention, described shared drive interface module provides the communication operation interface with the form of dynamic base to each module; Each interface direct control shared drive zone; The shared drive zone is divided into different intervals according to module, and described interface module is managed corresponding shared drive interval respectively according to different modules.
In enterprise converged communication system of the present invention, this converged communication system comprises following five logical layers:
Hardware layer mainly comprises service access module and administration module;
The DSP layer mainly comprises digital signal processing module and master control scheduler module;
Drive Layer, promptly the ARM module mainly comprises guiding driver module and flow scheduling module;
The application controls layer mainly comprises CTI module and resource distribution module;
Application layer mainly comprises the user terminal module;
Wherein, adopt the fifo interface of FPGA to be connected between described hardware layer and the described DSP layer; Adopt the shared drive interface to be connected between described DSP layer and the described Drive Layer; Adopt api interface to connect between described Drive Layer and the described application controls layer based on TCP/IP; Adopt the Active control interface of TCP/IP to be connected between described application controls layer and the described application layer.
In enterprise converged communication system of the present invention, described hardware layer by with the access that realizes analog service, digital service and IP operation that is connected of PSTN network and IP network.
In enterprise converged communication system of the present invention, described application layer provides the multiple user terminal of pc client, Web client, mobile client and enterprise's OA to insert.
Implement enterprise converged communication system of the present invention, have following beneficial effect:
(1) adopts ARM and DSP double-core chip, can guarantee efficiently, realize accurately function, can greatly reduce the hard cost of system and increase system handles density;
(2) rationally clearly hierarchy will reduce cost of software development greatly, stability and reliability will significantly improve;
(3) application layer provides easy to use for the user, can provide the multiple user terminal of pc client, Web client, mobile client and enterprise's OA to insert, any place, can pass through any equipment, any network, obtain the free communication of data, image and sound, realize converged communication truly.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the hierarchy schematic diagram of enterprise converged communication system one embodiment of the present invention;
Fig. 2 is the configuration diagram of Leonardo da Vinci's platform among enterprise converged communication system one embodiment of the present invention;
Fig. 3 is a master control borad structural representation in one embodiment of the invention;
Fig. 4 is the hardware block diagram of enterprise converged communication system one embodiment of the present invention.
Embodiment
Fig. 1 is the hierarchy schematic diagram of enterprise converged communication system one embodiment of the present invention.As shown in Figure 1, the described enterprise converged communication system of present embodiment comprises following five logical layers:
Hardware layer 1 mainly comprises analog service access module 11, digital service access module 12, IP operation access module 13, monitoring Configuration Manager 10, memory module 14, control module 15 and medium processing interactive module 16; Described hardware layer 1 is mainly finished the access of signal, the storage visit of storage medium etc., and analog signal, digital signal and the IP physical link signal that will be responsible for separately by its analog service access module 11 that comprises, digital service access module 12 and IP operation access module 13 is linked in the system and handles for DSP layer 2.
DSP layer 2 mainly comprises speech processing module 23, signaling processing module 21, master control scheduler module 22, and this layer is responsible for functions such as professional compress speech, IP processing, exchange of speech; DSP layer 2 reads the signal data in the corresponding interface, mainly is that the fifo interface by access FPGA is finished functions such as the compress speech that inserts signal, IP processing, exchange of speech by self-contained speech processing module 23, signaling processing module 21 and master control scheduler module 22.
Drive Layer 3 is the ARM module, mainly comprise BootLoader (guiding load-on module) 31, LinuxOS 32, fax module 37, voip module 36, Q931 module 35, Media Stream module 34, flow scheduling module 33, the ARM nuclear by double-core CPU manage business flow process, carry out system management etc.
Application controls layer 4, mainly comprise CTI module 41, IVR module 42, DB module 43, CCS module 44 and resource distribution module 40, functions such as prefix analysis that continues, calls out in order to the control of finishing calling and route assignment, thus the Active control interface by TCP/IP is application layer 5 each user terminal module to carry out route assignment and realizes that user terminal inserts.
Application layer 5, mainly comprise seat control 51 such as IVR business, agent service and enterprise converged communication client etc., this layer for user oriented client in order to make the user by any reception in the communication equipments such as various user terminal connecting systems and available phone, fax, mobile phone, PC, palmtop PC, PDA.
Fig. 2 is the configuration diagram of Leonardo da Vinci's platform among enterprise converged communication system one embodiment of the present invention, is the configuration diagram of Drive Layer 3 and DSP layer 2 among Fig. 1.In the present embodiment, Drive Layer 3 comprises BootLoader (guiding load-on module) 31, Linux OS 32, flow scheduling module 33, Media Stream module 34, Q931 module 35, voip module 36 and fax module 37.DSP layer 2 comprises signaling processing module 21, master scheduling module 22 and speech processing module 23.
Powering on back initialization, operating system load operating, each functional module that described Drive Layer 3 is responsible for whole systems starts, the powering on, load and reset etc. of DSP layer 2; Be in charge of the maintenance and the upgrade function of part peripheral hardware, system in the system simultaneously.Wherein, BootLoader 31 is responsible for that ARM nuclear, shared drive DDR, network interface, DSP layer 2 in the initialization double-core chips powers on etc., and loading Linux OS 32.The drivings that LinuxOS 32 is responsible for being correlated with load, and move each functional module by script mode, and load the operation that powers on, resets of DSP firmware, DSP.Each functional module all has the program frame of a standard, and this framework is irrelevant with concrete functions of modules, only is a standard card cage according to management regulation in the configuration file and the formulation of system communication standard.Also be to design according to the general utility functions demand when functions of modules realizes.
DSP layer 2 is finished all functions that need the live signal data processing, handles by the 23 pairs of voice signals of speech processing module that comprise, and handles by 21 pairs of signalings of signaling processing module simultaneously.Described DSP layer 2 starts by the ARM guidance mode of Drive Layer 3.After guiding successfully by ARM, peripheral hardware is carried out the self check operation, control, the transmission of scheduling peripheral data.
DSP layer 2 and Drive Layer 3 are carried out communication by shared drive DDR 6, and communications protocol adopts the communication packet format of unified Definition.
Fig. 3 is a master control borad structural representation in one embodiment of the invention.As shown in Figure 3, master control borad adopts ARM+DSP double-core framework, and ARM nuclear 30 wherein is connected with shared drive DDR 6 communications respectively with DSP nuclear 20; ARM nuclear 30 is divided into different intervals according to the disparate modules that is connected with the shared drive zone with the DSP nuclear 20 shared drive interface modules that comprised, and described shared drive interface module is managed corresponding shared drive interval respectively according to different modules; Described shared drive interface module provides the communication operation interface with the form of dynamic base to each module, interface compatibility ITP port; The bottom operation of each interface no longer is the socket communication interface that calls the ICP/IP protocol stack, but direct control shared drive zone, shared drive manages in the mode of cyclic buffer pointer; The shared drive zone is divided into different intervals according to module, and interface module is managed corresponding shared drive interval respectively according to different modules.
ARM nuclear 30 and DSP nuclear 20 write data by the default address location in shared drive DDR 6, and notify the other side to read, thereby the transmitting-receiving of carrying out data in shared drive DDR 6 is with mutual.
Realize that this communication comprises following two steps:
(1) each module was authorized to DSP and is sent data all to adopt the memory headroom that pre-defines during ARM examined, according to the amount of communication data size definition read-write pointer memory size between each module and the DSP nuclear;
(2) whether the read-write pointer in the memory address space of DSP nuclear each module definition of poll in main program changes, and when the read-write pointer changed, the DSP stone grafting was received order and the answer incident that ARM authorizes.
In the practical application, shared drive can be Double Port Random Memory (DRAM, Double RandomAccess Memory) or twoport direct memory (DSDRAM Double SynchronizationDynamic RAM), can also be other storage organization with shared memory function.
Fig. 4 is the hardware block diagram of enterprise converged communication system one embodiment.As shown in Figure 4, in the present embodiment, comprise analog service access module 11, digital service access module 12, IP operation access module 13, FPGA fifo interface 17, DM6441 chip x and shared drive DDR 6, be connected respectively to local bus 18.
Analog service access module 11 in the hardware layer 1, digital service access module 12 and IP operation access module 13 are responsible for respectively analog signal, E1/T1/J1 digital signal and IP physical link signal are linked in the system, realize the access of multiple mode.For analog signal, after handling, decoding, the code stream that becomes serial enters in the FPGA fifo interface 17.DSP nuclear among the DM6441 chip X is realized professional processing by access FPGA fifo interface 17; For digital signal, through special-purpose telecommunications transceiver, become serial signal and enter FPGA fifo interface 17, carry out professional processing through the DSP of DM6441 chip X nuclear again; For IP operation, insert the back and enter in the DSP module by chip core.DSP nuclear by DM6441 chip X is handled and control, thereby realizes between the IP inside, between the TDM business and exchange and control between IP operation and the TDM business.
DM6441 chip x is integrated, and ARM nuclear and DSP examine, and adopt image coprocessor, video data transform engine and target video port interface.By its many core design, can realize performance than high ten times of former generation digital media processors.The system that is fit to the superpower operational capability of the multi-task scheduling function of not only needs operating system support but also needs.Wherein, ARM nuclear and DSP nuclear carry out communication by the controller and the shared drive DDR of chip internal, are connected with application layer 5 by TCP/IP.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.

Claims (8)

1, a kind of enterprise converged communication system comprises master control borad, one or more signal access module, one or more application controls module and one or more user terminal module; Described one or more signal access module is connected with public switched telephone network or ethernet communication respectively, described master control borad carries out digital processing to described access signal, thereby described one or more application controls module is carried out route assignment by the TCP/IP interface to described one or more user terminal modules and is realized that user terminal inserts, it is characterized in that, described master control borad is integrated, and ARM nuclear and DSP examine, and described ARM nuclear is connected by the communication of shared drive interface module with DSP nuclear.
2, enterprise converged communication system according to claim 1 is characterized in that, described master control borad is integrated with Leonardo da Vinci ARM+DSP double-core chip, and the scheduling that described ARM nuclear is responsible for application software, operation flow is handled; Described DSP nuclear is responsible for the processing of Media Stream, signaling and is cooperated base plate and traditional TDM business and the IP operation of professional buckle access, and telecommunication service is connected with the Internet.
3, enterprise converged communication system according to claim 2 is characterized in that, described ARM nuclear inner module and DSP nuclear inner module communicate by shared drive.
4, enterprise converged communication system according to claim 3 is characterized in that, described DSP nuclear and the interface structure of described ARM nuclear adopt the mode of shared drive poll, carries out communication according to the pack arrangement form of ITP communication package definition.
5, enterprise converged communication system according to claim 1 is characterized in that, described shared drive interface module provides the communication operation interface with the form of dynamic base to each module; Each interface direct control shared drive zone; The shared drive zone is divided into different intervals according to module, and described interface module is managed corresponding shared drive interval respectively according to different modules.
6, enterprise converged communication system according to claim 1 is characterized in that, described converged communication system comprises following five logical layers:
Hardware layer mainly comprises service access module and administration module;
The DSP layer mainly comprises digital signal processing module and master control scheduler module;
Drive Layer, promptly the ARM module mainly comprises guiding driver module and flow scheduling module;
The application controls layer mainly comprises CTI module and resource distribution module;
Application layer mainly comprises the user terminal module;
Wherein, adopt the fifo interface of FPGA to be connected between described hardware layer and the described DSP layer; Adopt the shared drive interface to be connected between described DSP layer and the described Drive Layer; Adopt api interface to connect between described Drive Layer and the described application controls layer based on TCP/IP; Adopt the Active control interface of TCP/IP to be connected between described application controls layer and the described application layer.
7, enterprise converged communication system according to claim 6 is characterized in that, described hardware layer by with the access that realizes analog service, digital service and IP operation that is connected of PSTN network and IP network.
8, enterprise converged communication system according to claim 6 is characterized in that, described application layer provides the multiple user terminal of pc client, Web client, mobile client and enterprise's OA to insert.
CN2008101421337A 2008-08-29 2008-08-29 Enterprise converged communication system Expired - Fee Related CN101662551B (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
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CN101964801A (en) * 2010-10-22 2011-02-02 哈尔滨工业大学深圳研究生院 Software radio modulation signal identification platform and identification method
CN102195361A (en) * 2011-05-23 2011-09-21 中国电力科学研究院 Method for acquiring and processing data of intelligent distribution terminal of multi-core single chip
CN103369593A (en) * 2012-04-05 2013-10-23 中兴通讯股份有限公司 Method for compressing and decompressing Ethernet message and network element equipment
CN108614460A (en) * 2018-06-20 2018-10-02 东莞市李群自动化技术有限公司 Distributed multi-node control system and method
CN109117268A (en) * 2018-07-20 2019-01-01 首钢集团有限公司 A kind of implementation method and device of mill control system communication middleware
CN111913822A (en) * 2020-08-28 2020-11-10 电子科技大学 Inter-core communication mode based on AMP architecture
CN112243029A (en) * 2020-10-14 2021-01-19 河北中兴冀能电力发展有限公司 Computing power integration multiplexing system applied to power instrument equipment

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US6829249B1 (en) * 2000-09-21 2004-12-07 Inter-Tel, Inc. Voice-over internet protocol
CN1310491C (en) * 2002-10-01 2007-04-11 华为技术有限公司 Comprehensive data and phonetic communication system
CN1791234A (en) * 2004-12-13 2006-06-21 深圳市东进通讯技术股份有限公司 Integrated telecommunication platform
CN1893478B (en) * 2005-07-04 2010-08-11 深圳市东进通讯技术股份有限公司 Comprehensive telecommunication service system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101964801A (en) * 2010-10-22 2011-02-02 哈尔滨工业大学深圳研究生院 Software radio modulation signal identification platform and identification method
CN102195361A (en) * 2011-05-23 2011-09-21 中国电力科学研究院 Method for acquiring and processing data of intelligent distribution terminal of multi-core single chip
CN103369593A (en) * 2012-04-05 2013-10-23 中兴通讯股份有限公司 Method for compressing and decompressing Ethernet message and network element equipment
CN103369593B (en) * 2012-04-05 2016-08-03 中兴通讯股份有限公司 A kind of method compressing reconciliation compressed ethernet message and network element device
CN108614460A (en) * 2018-06-20 2018-10-02 东莞市李群自动化技术有限公司 Distributed multi-node control system and method
CN109117268A (en) * 2018-07-20 2019-01-01 首钢集团有限公司 A kind of implementation method and device of mill control system communication middleware
CN111913822A (en) * 2020-08-28 2020-11-10 电子科技大学 Inter-core communication mode based on AMP architecture
CN111913822B (en) * 2020-08-28 2023-03-28 电子科技大学 Inter-core communication mode based on AMP architecture
CN112243029A (en) * 2020-10-14 2021-01-19 河北中兴冀能电力发展有限公司 Computing power integration multiplexing system applied to power instrument equipment

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Address after: 518040 Guangdong city of Shenzhen province Futian District industry and Trade Park Tairan Cangsong building, South Block 21 layer

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