CN202364278U

CN202364278U - Integrated digital recording system

Info

Publication number: CN202364278U
Application number: CN2011204801886U
Authority: CN
Inventors: 陈春东; 王云林; 王志芬; 顾赟初; 鲍如义; 杨建能; 林达; 邹建伟; 童梅
Original assignee: Shanghai DS Communication Equipment Co Ltd
Current assignee: Shanghai DS Communication Equipment Co Ltd
Priority date: 2011-11-25
Filing date: 2011-11-25
Publication date: 2012-08-01
Anticipated expiration: 2021-11-25

Abstract

The utility model relates to an integrated digital recording system, which comprises at least one recording node device and a recording server, wherein the recording node device is connected with an external digital program control switch having a user circuit and a digital circuit, which are required to record, and the recording node device compresses a simulation voice signal and a digital voice signal collected by the digital program control switch and outputs compressed voice information; and the recording server receives the compressed voice information and is connected with the digital program control switch. Through a simulation recording collection module and a digital relay signaling extraction and voice collection module, the integrated digital recording system is bridged on a backboard of the digital program control switch and simultaneously can collect and process the simulation voice and the digital voice. The integrated digital recording system has advantages of strong calculation capacity and strong reliability and is flexible to expand, a high system capacity can be acquired through low cost, and the recording server in the integrated digital recording system can be concentrated on the management and the issuance of a recording file, so that the system stability can be improved.

Description

A kind of integrated digital recording system

Technical field

The utility model relates to a kind of CTI (Computer Telephony Integration, computer telephone integration) technology and embedded technology, relates in particular to a kind of embedded digital recording system of cross-over connection on stored-program control exchange.

Background technology

Digital recording system is in the heart a requisite system in the present various types of calls; From urgent alarm call as 110 to common business information services phone as 10086; Its backstage all involves the recording of whole communication process; In order to reappear dialog context afterwards, help Treatment Analysis and call to account.

The mode that traditional digital recording system adopts industrial computer to add voice plate card usually realizes.Yet often there is following problem in this type recording system:

1, disposal ability is low;

Voice plate card comprises common analog junction sound card and digital junction sound card.Every analog junction sound card can only be supported the recording of No. 8 phones at most; Every digital junction sound card is supported the recording of 30 road voice at most; Because the restriction of industrial computer slot, an industrial computer can only support 64 road voice to insert usually at most, can not satisfy the requirement of medium-and-large-sized call center far away.

2, take the resource height;

Because all concentrating on collection, processing, compression and the storage of voice on the industrial computer, voice plate card carries out; Taken the too much computational resource of industrial computer; When the language way of handling is too much; Industrial computer can not cause not responding for a long time because processing is not come, even the phenomenon that crashes, and has a strong impact on the reliability of recording system.

3, integrated level is low, and cost is high;

Because the restriction of voice plate card; Same voice plate card can only be handled same type relaying (analog junction or digital junction); When needs are recorded to analog junction and digital junction simultaneously, can only on the different voice integrated circuit board, realize, even will voice plate card be inserted on the different industrial computers and realize; Make that the integrated level of recording system is low, thereby cause the also corresponding raising of cost of system's construction.

This shows that traditional voice plate card combines the technology of industrial computer can not satisfy the needs of recording system, for this reason, presses for a kind of new Digital recording system of research and development now, to overcome the problems referred to above.

The utility model content

In order to solve the problem that above-mentioned prior art exists; The utility model aim to provide a kind of adopt embedded system and CTI art designs can be connected across on the digital SPC exchange and integrated digital recording system with functions such as voice collecting, processing and compressions; To break away from the technology that adds voice plate card on traditional industrial computer; Effectively improve processing capacity, computing capability and operational reliability, and reduce manufacturing cost greatly.

The described a kind of integrated digital recording system of the utility model, it comprises:

The recording node equipment that the subscriber line circuit that at least one needs recording with peripheral having and the digital SPC exchange of digital circuit are connected; It carries out processed compressed to analog voice signal and the audio digital signals that collects from digital SPC exchange, and output compressed voice information; And

The recording server that receives said compressed voice information and be connected with said digital SPC exchange.

In above-mentioned integrated digital recording system, said each recording node equipment comprises:

At least one gathers the analog recording acquisition module of analog voice signal on said subscriber line circuit; And

At least one that is connected with said analog recording acquisition module gathered the digital junction signaling of audio digital signals and extracted and voice acquisition module on said digital circuit; It carries out processed compressed together with said audio digital signals and analog voice information, and the voice messaging after will compressing is transferred to said recording server.

In above-mentioned integrated digital recording system, said each recording node equipment also comprise be connected simultaneously that said analog recording acquisition module and digital junction signaling are extracted and voice acquisition module between and the backboard between the extraction of digital junction signaling and voice acquisition module and the digital SPC exchange.

In above-mentioned integrated digital recording system, said analog recording acquisition module high-ohmic cross-connection to said subscriber line circuit.

In above-mentioned integrated digital recording system, said analog recording acquisition module comprises:

Be connected to the high-ohmic cross-connection submodule of said subscriber line circuit;

The user line state that is connected with said high-ohmic cross-connection submodule is differentiated submodule;

Be connected said user line state and differentiate the PLD submodule between submodule and the backboard; It differentiates the detection signal of submodule output on the one hand according to said user line state; The output relay drive signal; And extract and voice acquisition module output board selected control system signal to the digital junction signaling through said backboard, on the one hand from said backboard received frame synchronizing signal, export the handoff functionality test signal on the other hand and simulate off hook signal;

With the digital signal processing sub module that said PLD submodule is connected, it receives the clock sync signal of said PLD submodule output on the one hand, on the other hand according to said simulation off hook signal, and output test request signal;

Speech amplifier according to said relay drive signal and high-ohmic cross-connection submodule break-make;

Be connected the A/D conversion submodule between said speech amplifier and the backboard; It is according to said test request signal; To said speech amplifier output audio test signal, and output test result to the PLD submodule through said digital signal processing sub module;

Machine circuit is got in simulation according to said handoff functionality test signal and high-ohmic cross-connection submodule break-make; And

The LED display sub-module that is connected with said PLD submodule.

In above-mentioned integrated digital recording system, said PLD submodule also receives the test drive signal that said digital junction signaling is extracted and voice acquisition module is exported through backboard, and exports said handoff functionality test signal.

In above-mentioned integrated digital recording system, said high-ohmic cross-connection submodule is connected on the analog line or analog trunk of said digital SPC exchange, or is connected across simultaneously on analog line and the analog trunk.

In above-mentioned integrated digital recording system, said digital junction signaling is extracted and voice acquisition module high-ohmic cross-connection to said digital circuit.

In above-mentioned integrated digital recording system, said digital junction signaling is extracted and voice acquisition module comprises:

The first voice recording processing sub and the second voice recording processing sub that are connected with said analog recording acquisition module through said backboard respectively, they gather said analog voice signal;

Through signal collecting and processing sub that said backboard is connected with digital SPC exchange and analog recording acquisition module, it gathers said audio digital signals;

The master control submodule that is connected through a bus management submodule and said first, second voice recording processing sub and signal collecting and processing sub;

The procotol conversion stack and the IP network interface that are connected with said master control submodule successively; And

The LED light panel that is connected with said master control submodule.

In above-mentioned integrated digital recording system, said signal collecting and processing sub are connected on the digital trunk of said digital SPC exchange.

In above-mentioned integrated digital recording system, said recording server comprises the playback port that is connected with said digital SPC exchange and extracts the network communication interface that is connected with voice acquisition module with said digital junction signaling.

In above-mentioned integrated digital recording system, said system is connected with said digital SPC exchange through distributing frame.

Owing to adopted above-mentioned technical solution; The utility model has adopted the record type different with traditional recording technology; Analog recording acquisition module and digital junction signaling are extracted and the recording node equipment of voice acquisition module through having; Thereby when cross-over connection is on the backboard of digital SPC exchange, carry out the collection and the processing of analog voice and digital speech; In addition, because the digital junction signaling is extracted and voice acquisition module has adopted embedded technology, make the processed compressed calculating of voice be independent of digital SPC exchange and recording server; Therefore; Advantage with computing capability and good reliability, and can flexible expansion, high power system capacity obtained with low cost; And make the recording server in the utility model can be absorbed in the management and the issue of recording file, thereby improve the stability of a system.

Description of drawings

Fig. 1 is the structured flowchart of a kind of integrated digital recording system of the utility model;

Fig. 2 is the structured flowchart of analog recording acquisition module in the utility model;

Fig. 3 is that the digital junction signaling is extracted and the structured flowchart of voice acquisition module in the utility model;

Fig. 4 be the digital junction signaling of the utility model extract and voice acquisition module in the structural representation of LED light panel;

Fig. 5 is the structured flowchart of recording server in the utility model.

Embodiment

Below in conjunction with accompanying drawing, provide the preferred embodiment of the utility model, and describe in detail.

As shown in Figure 1; The utility model; Be a kind of integrated digital recording system 10, comprise at least one recording node equipment 101 (in the present embodiment, the quantity of recording node equipment 101 is 1) and the recording server 3 that is connected with recording node equipment 101 (Record Service Application of being connected with digital SPC exchange 20 (being designated hereinafter simply as programme-controlled) through distributing frame 30; Be designated hereinafter simply as the RSA module), wherein:

Each recording node equipment 101 comprises unified analog recording acquisition module 1 (the Analog Incept Circuit in the machine frame that is arranged on; Be designated hereinafter simply as the AIC module;), the digital junction signaling is extracted and voice acquisition module 2 (Voice Record Board is designated hereinafter simply as the VRB module) and backboard 4; In the present embodiment, be inserted with 4

AIC modules

1 and 1 VRB module 2 in the recording node equipment 101.In fact; Each recording node equipment 101 can insert 12

AIC modules

1 and 3 VRB modules 2 (quantitative proportion of AIC module 1 and VRB module 2 can be 1: 1,2: 1,3: 1 or 4: 1) at most; Every AIC module 1 is supported 16 road analog recordings, and every VRB module 2 is supported the two-way digital trunk, totally 64 way words recording (recording simultaneously so can support 4 AIC modules 1 at most); Therefore, the high energy of each recording joint 101 is supported 192 road analog recordings or digital recording.In the recording system of the utility model, can walk abreast simultaneously and dispose a plurality of recording node equipment 101, thereby can realize more jumbo recording.

AIC module 1 is connected programme-controlled 20 analog line or analog trunk or is connected across (totally 16 lines) on analog line and the analog trunk simultaneously with the mode of high-ohmic cross-connection (transimpedance is greater than 100k Ω); Thereby not only can on the subscriber line circuit (not shown) of programme-controlled 20 inside, gather analog voice signal; Can also go up and gather analog voice signal in programme-controlled 20 outside subscriber line circuits (programme-controlled 20 pass through telephone network 40 is connected with the user), promptly can record to internal user and external user simultaneously.(also have other a kind of session recording mode in the prior art, but this mode can only record to programme-controlled internal user circuit, and high to programme-controlled requirement, take the meeting time slot, control is complicated.)

VRB module 2 is connected with the mode of high-ohmic cross-connection (transimpedance is greater than 6k Ω) on programme-controlled 20 the digital trunk; Thereby (this audio digital signals is supported DSS1 (Digital Signal Seriesl on the digital circuit (not shown) of programme-controlled 20 inside, to gather audio digital signals; Digital signal series 1) agreement and No.7TUP (Telephone User Part; Telephone User Part) agreement; That is to say that this audio digital signals comprises Digital Subscriber Signaling No.1 and NO.7 signaling), and carry out processed compressed together with the analog voice information that AIC module 1 collects, through network interface voice messaging is transferred to recording server 3; In addition, in the present embodiment, VRB module 2 built-in data cards also can be preserved because network interrupts temporary data.

RSA module 3 is accomplished to the preservation of recording file (being the voice messaging of VRB module 2 outputs), to recording file conditional search, playback control, to the volume controlled and the deletion of hard disk.

Backboard 4 is connected between AIC module 1 and the VRB module 2, also is connected between VRB module 2 and the distributing frame 30 simultaneously, is used to realize bus switching and the clock synchronization between each data wire and the signaling control line.

Distributing frame 30 is for the ease of recording node equipment 101 and programme-controlled 20 high-ohmic cross-connection, and searches fast and fix a breakdown.

Structure and function in the face of AIC module 1 is elaborated down.

As shown in Figure 2; AIC module 1 comprises PLD submodule 11 (ErasableProgrammable Logic Device; Hereinafter to be referred as the EPLD submodule), digital signal processing sub module 12 (Digital Signal Processing; Hereinafter to be referred as the DSP submodule), user line state differentiates that submodule 13, high-ohmic cross-connection submodule 14, speech amplifier 15, A/D conversion submodule 16, LED display sub-module 17 and simulation get machine circuit 18, wherein:

High-ohmic cross-connection submodule 14 comprises two high-impedance resistors 141 that are connected to analog line A, B last (also can be connected on the analog trunk or simultaneously and be connected on both), and high-ohmic cross-connection submodule 14 is connected with speech amplifier 15 by EPLD submodule 11 control ground; Speech amplifier 15 is connected with backboard 4 through A/D conversion submodule 16; User line state differentiates that submodule 13 is connected between high-ohmic cross-connection submodule 14 and the EPLD submodule 11; EPLD submodule 11 is connected with backboard 4 with DSP submodule 12 respectively; LED display sub-module 17 is connected with EPLD submodule 11, and it comprises some LED lamps; Simulation is got machine circuit 18 and be connected with high-ohmic cross-connection submodule 14 by EPLD submodule 11 control ground.

AIC module 1 main clock synchronization, User Status detection, analog voice collection, fault self-checking and the diagnostic function accomplished, specifically:

(1) realization of clock synchronization;

EPLD submodule 11 receives from the frame synchronizing signal FCK of backboard 4 outputs through descending common bus DHW (Down HW); Produce the required clock sync signal of AIC module 1; And be transferred to DSP submodule 12 through common bus/2M and synchronizing signal transmission line/FCK, realize clock synchronization and the clock synchronization between AIC module 1 and the VRB module 2 between the inside submodule of AIC module 1.

(2) realization of User Status detection (being the identification of user's dislodging machine);

User Status detects and is meant the discriminating to subscribers feeder dislodging machine status detection and ringing-current; Can differentiate submodule 13 and 14 realizations of high-ohmic cross-connection submodule through user line state: user line state differentiates that submodule 13 obtains the voltage waveform at analog line A, B two ends through high-ohmic cross-connection submodule 14; And to EPLD submodule 11 output detection signals; Per 60 milliseconds of detections are " 1 " if obtain the level perseverance once, and user's off-hook then is described; If obtaining the level perseverance is " 1 ", explain that then the user is at hook state; If obtaining level is the rule waveform, then think for the ringing-current state, do not process; Specifically:

After user line state differentiates that submodule 13 detects analog line and is in off hook state; Send off hook state information to EPLD submodule 11; EPLD submodule 11 receives that the back is through recording adhesive control line output relay drive signal; Connect the path between analog line and the speech amplifier 15, thereby voice are amplified the post-sampling recording, pass through backboard 4 simultaneously to VRB module 2 output board selected control system signal SCN through speech amplifier 15; Notice VRB module 2 receives analog voice information, and the LED lamp of the LED display sub-module 17 that this analog line is corresponding is lighted.

After user line state differentiates that submodule 13 is checked through analog line and is in hook state; Send hook state information to EPLD submodule 11; EPLD submodule 11 is received the back through recording adhesive control line output relay drive signal, the path between disconnection analog line and the speech amplifier 15, thus stop speech sample; And plate selected control system signal SCN is made as " not recording ", simultaneously the LED lamp is extinguished.

After user line state differentiates that submodule 13 detected analog subscriber line states are the ringing-current sound, do not export any signal.

(3) analog voice collection;

Receive the off hook signal of user line state discriminating submodule 13 discriminatings when EPLD submodule 11 after; Can connect the circuit between analog line A, B and the speech amplifier 15 through recording adhesive control line output relay drive signal; After speech amplifier 15 amplifies voice signal; Output to A/D conversion submodule 16 and carry out analog-to-digital conversion; Thereby convert the voice signal of simulation to digital voice signal, and be transferred to backboard 4, handle by VRB module 2 through up common bus UHW (Up HW).

(4) realization of fault self-checking and diagnosis

Fault self-checking is initiated by EPLD submodule 11 when powering on diagnosis; Or pass through test drive signal SDD (Signal Drive) by VRB module 2 and initiate to EPLD submodule 11; This normally, initiates during like the late into the night not in the engaged line the user, so that fault location, investigation problem fast.EPLD submodule 11 is got machine functional test line output handoff functionality test signal through the user on the one hand machine circuit 18 and 14 connections of high-ohmic cross-connection submodule, analog subscriber off-hook condition is got in simulation; Phone is initiated the simulation off hook signal through scanning input control line DSP_SHW to DSP submodule 12 on the one hand; After DSP submodule 12 is received this signal; Through driving output control line DSP_DHW to A/D conversion submodule 16 output test request signals; A/D conversion submodule 16 generates the audio-frequency test signal and compares with the simulation off hook signal; Through driving input control line DSP_UHW notice DSP submodule 12 simulation tests success or failure; DSP submodule 12 will be represented simulation test success or failure signal again through driving the state of output control line DSP_SDD notice EPLD submodule 11 self checks success or failure, and EPLD submodule 11 is controlled the demonstration of LED lamp through this state, if failure then sends out a warning.

(5) demonstration of LED lamp;

Each AIC module 1 corresponding 16 road analog line, and corresponding 16 LED lamps, when analog line was in hook state, the LED lamp did not work; After the conversation of user's off-hook, corresponding LED lamp gives a green light; When fault self-checking diagnosis failure, corresponding LED lamp sends out a warning.

Structure and function in the face of VRB module 2 is elaborated down.

As shown in Figure 3; VRB module 2 comprises the first voice recording processing sub 211 (Voice Record Process; Hereinafter to be referred as a VRP submodule), the second voice recording processing sub 212 (hereinafter to be referred as the 2nd VRP submodule), signal collecting and processing sub 22 (Signal Process; Hereinafter to be referred as the SP submodule), bus management submodule 23 (hereinafter to be referred as the CPLD submodule), master control submodule 24 (Micro Control Uint; Hereinafter to be referred as the MCU submodule), procotol conversion stack 25, LED light panel 26 and IP network interface 27, wherein:

The one VRP submodule 211 and the 2nd VRP submodule 212 are connected to backboard 4 through E1 interface (not shown) (being standard digital relaying 2M interface) respectively, compression AIC module 1 voice messaging through up common bus UHW output.

SP submodule 22 is connected with backboard 4 through two E1 interfaces, independent respectively the completion to the collection of gathering audio digital signals (comprising Digital Subscriber Signaling No.1 and NO.7 signaling) from the digital circuits of programme-controlled 20 inside with to plate selected control system signal SCN and the processing of testing drive signal SDD.

The one VRP submodule 211, the 2nd VRP submodule 212 and SP submodule 22 articulate with MCU submodule 24 through hosted interface HPI (Host Port Interface) respectively; MCU submodule 24 control CPLD submodules 23 can have access to the internal memory space of a VRP submodule 211, the 2nd VRP submodule 212 and SP submodule 22 through hosted interface HPI, thereby realize exchanges data.

MCU submodule 24 can be realized functions such as data management, recording control, monitoring of tools and fault recovery, network management, configuration management as master controller, specifically:

(1) data management: MCU submodule 24 is through the data path of control CPLD submodule 23 management with a VRP submodule 211, the 2nd VRP submodule 212 and SP submodule 22; Read the data in the memory space of a VRP submodule 211, the 2nd VRP submodule 212 and SP submodule 22; With the compress speech packing data, be transferred to RSA module 3 through IP network interface 27.If IP network is obstructed; Then temporarily with the compress speech deposit data at local data card 28 (in the present embodiment; Local data card 28 is the CF card of 4G or 8G for capacity; Be connected with MCU submodule 24 through industrial design device bus IDE (IndustrialDesign Equipment)), after detecting the IP network connection, the local voice packed data is forwarded to RSA module 3.

(2) recording control: the digital signalling decision recording mode that MCU submodule 24 is gathered and handled according to SP submodule 22 comprises SCN recording mode and signaling recording mode; The SCN recording mode is meant the plate selected control system signal SCN that 24 parsings of MCU submodule transmit from AIC module 1, and extracts the voice messaging of a VRP submodule 211 and 212 collections of the 2nd VRP submodule to the corresponding relay time slot; The signaling recording mode is that MCU submodule 24 is resolved the audio digital signals (comprising Digital Subscriber Signaling No.1 and NO.7 signaling) that SP submodule 22 is gathered, and corresponding relaying time slot is recorded.

(3) monitoring of tools and fault recovery: MCU submodule 24 is monitored the circuit of each sub-module through built-in watchdog circuit, and activates out of order submodule through this circuit.

(4) network management: the storage and the forwarding of MCU submodule 24 Control Network packets, timed sending heartbeat message be to AIC module 1 and RSA module 3, keep with external module synchronously be connected.

(5) configuration management: MCU submodule 24 carries out initialization through the configuration information of reading and saving in built-in FLASH card when powering on.

What the procotol conversion stack 25 in the present embodiment adopted is hardware ICP/IP protocol chip stack (W3100A), is used for being responsible for the communication Protocol Conversion of realization and external network.

The structure of LED light panel 26 is as shown in Figure 4, and it comprises eight indicator light LED1-LED8, two meker burners 261 and a SR 262, wherein:

Indicator light LED1-LED4 is that two digital trunks of SP submodule 22 (one are realized the SCN recording mode; Article one, realize the signaling recording mode) status indicator lamp; Indicator light LED1, the corresponding article one digital trunk of LED2, indicator light LED3, the corresponding second digital trunk of LED4; The connection status of the corresponding digital trunk of indicator light LED1, LED3 is interrupted or signaling when losing if certain bar digital trunk connects, the alarm that can often send out a warning of corresponding indicator light, and lamp does not work during operate as normal; The recording operating state of indicator light LED2, the corresponding digital trunk of LED4, when 24 selections of MCU submodule are recorded to this relaying, corresponding lamp blue flash, when the relay recording operating state, this lamp does not extinguish.

Indicator light LED5 is the SP indicator light, when SP submodule 22 circuit workings just often, long giving a green light, otherwise the lamp that do not work.

Indicator light LED6 is the VRP indicator light, when a VRP submodule 211 and the 2nd VRP submodule 212 circuit workings just often, long giving a green light, otherwise the lamp that do not work.

Indicator light LED7 is the storage display lamp, reads and writes just often when data card 28, and length gives a green light, otherwise the lamp that do not work, when MCU submodule 24 is write the recording data toward data cards 28, this lamp blue flash.

Indicator light LED8 is the self check status lamp, when each submodule is in proper working order, and this lamp blue flash, otherwise represent that whole VRB module 2 work are undesired.

Meker burner 261 shows the operating state of IP network interface 27, and just often a lamp is evergreen, the evergreen sudden strain of a muscle of another lamp.

SR 262 is a VRP submodule 211 and the 2nd VRP submodule 212 to be re-powered reset.

Structure and function in the face of RSA module 3 is elaborated down.

RSA module 3 main storage, retrieval, playback and the system management functions of accomplishing recording file, its software configuration is as shown in Figure 5.RAS module 3 inserts submodule 32, system file management submodule 33, disk management submodule 34, aid submodule 35, C/S client software submodule 36, WEB service submodule 37, database access submodule 38 and network communication interface 39 by common process submodule 31, hardware and forms.

Common process submodule 31 is accomplished basic functions such as configuration managements, log management, message queue management (common process submodule 31 can based on existing techniques in realizing);

Hardware inserts submodule 32 and is responsible for the hardware that these recording systems use and inserts and processing capacity, comprises that the voice related hardware unifies joining procedure, universal phonetic integrated circuit board processing components etc.;

System file management submodule 33 is accomplished each recording node equipment 101 and the recording file of peripheral file server and the automatic maintenance and management of disk, the automated back-up of file and deletion with disk management submodule 34;

Aid submodule 35 mainly comprises network monitoring instrument, file backup and recovery instrument;

C/S client software submodule 36 is the client softwares that can run directly on the RSA module 3; Realize the integrated management of each sub-module; Show various multidate informations such as recording state, network state, and can call other submodules and be configured management, retrieve functions such as recording, playback;

WEB service submodule 37 provides recording retrieval and player function based on WEB for the network user;

Database inserts submodule 38 and accomplishes database access and database manipulation and the processing relevant with business;

Network communication interface 39 is communicated by letter with the IP network interface 27 of VRB module 2 on the one hand; Be connected with other system network service on the other hand; It is used to create the message queue that uses with each recording node equipment of management comprehensive digital recording system, the login management of distributing queue message, each recording node equipment; Handle the communicate by letter access relevant with the integrated digital recording system; Receive and the transmission communication information, internally the transition of communications of receiving is queue message and sends into formation, and from message send queue, obtain message; Convert communication information into and outwards send, all receive and dispatch through this message queue with information such as the relevant calling numbers of recording, called number, call direction, recording time slot, recording number.

Hence one can see that, and the concrete function of RSA module 3 is following:

(1) three kinds of playback patterns is provided: 1) utilize RSA module 3 sound card playback: after retrieving the recording file that needs at this machine, directly pass through sound card and audio amplifier playback at this machine; 2) through far-end WEB playback: the recording file at the WEB of remote client end page inquiry RSA module 3 records downloads to remote client end this locality with this document voice flow and carries out playback; 3) through the plain old telephone playback: the user can dial RSA module 3 playback port (not shown), and (the playback port is one 4 road or 8 tunnel a playback card; It is a kind of card of compatible telephone interface; And can receive dtmf signal; Have program control to search corresponding recording and number carry out playback) phone, according to after the voice suggestion input recording number, RSA module 3 retrieves out recording file through the playback of playback passage.

(2) self check and automatic alarm function are provided, some abnormal conditions that in the recording system course of work, occur are followed the tracks of and record, and warning information is outputed to external system through network communication interface 39;

(3) provide hard disk to overflow and detect and processing capacity, when hard-disk capacity is not enough, can delete previous recording file automatically, keep current phone is recorded;

(4) sound-recording function of continuous conversation is provided, after being started recording, has produced a calling again, and under calling subscriber's receiver-on-hook condition formerly, can continue this phone is carried out sound-recording function, keep the recording integrality by the record artificial line;

(5) support under the situation of big capacity recording, can jointly control unified recording to many recording nodes to the distributed deployment of a plurality of recording node equipment.

Based on the said system structure, introduce in the face of the course of work of the utility model down:

AIC module 1 through analog line or analog trunk or analog line and analog trunk high-ohmic cross-connection to the subscriber line circuit that needs recording, thereby detect phone dislodging machine, and then collection is from programme-controlled 20 analog voice information;

It is that the digital trunk (comprising descending common bus DHW and up common bus UHW) of 2M is connected that AIC module 1 and VRB module 2 adopt bandwidth through backboard 4, after AIC module 1 collects analog voice signal, delivers to VRB module 2 through digital trunk;

VRB module 2 is that the digital trunk of 2M is connected with programme-controlled 20 with backboard 4 through bandwidth, through gathering audio digital signals on the digital circuit of high-ohmic cross-connection mode in programme-controlled 20, comprises the voice signal of Digital Subscriber Signaling No.1 and NO.7 signaling;

The voice signal that VRB module 2 will receive from AIC module 1 and from programme-controlled 20 audio digital signals that collect after treatment forms PCM (Pulse-Code Modulation) the recording data (64kps) of standard or through the ADPCM of overcompression (Automatic Adjustment Pulse-Code Modulation) recording data (16kps);

The recording data of handling through VRB module 2 output to RSA module 3 through network TCP communication mode, and the relevant information of will recording (calling number, called number, call direction etc.) output synchronously; If network interrupts, system can be saved in the recording data on the data card 28, outputs to RSA module 3 automatically behind the network recovery by the time;

VRB module 2 provides and programme-controlled 20 disconnection reconnect function, when when obstructed, initiatively reconnecting the concurrent fault warning information with programme-controlled 20 2M link;

RSA module 3 receives standard recording data and the relevant information that transmits from VRB module 2 through network TCP communication mode; Be kept in the RSA module 3 it or the perimeter network file server; Simultaneously related information of preserving comprises information such as calling number, called number, call direction, job number, platform number, relaying timeslot number, so that retrieval;

RSA module 3 provides the playback port to be connected on programme-controlled 20, and the telephone subscriber can listen to recorded message through this playback port.

Above-described, be merely the preferred embodiment of the utility model, be not scope in order to qualification the utility model, the foregoing description of the utility model can also be made various variations.Be that every simple, equivalence of doing according to the claims and the description of the utility model application changes and modification, all fall into the claim protection range of the utility model patent.The utility model not detailed description be the routine techniques content.

Claims

1. an integrated digital recording system is characterized in that, this system comprises:

2. integrated digital recording system according to claim 1 is characterized in that, said each recording node equipment comprises:

3. integrated digital recording system according to claim 2; It is characterized in that, said each recording node equipment also comprise be connected simultaneously that said analog recording acquisition module and digital junction signaling are extracted and voice acquisition module between and the backboard between the extraction of digital junction signaling and voice acquisition module and the digital SPC exchange.

4. according to claim 2 or 3 or described integrated digital recording system, it is characterized in that said analog recording acquisition module high-ohmic cross-connection to said subscriber line circuit.

5. integrated digital recording system according to claim 4 is characterized in that, said analog recording acquisition module comprises:

The LED display sub-module that is connected with said PLD submodule.

6. integrated digital recording system according to claim 5; It is characterized in that; Said PLD submodule also receives the test drive signal that said digital junction signaling is extracted and voice acquisition module is exported through backboard, and exports said handoff functionality test signal.

7. according to claim 5 or 6 described integrated digital recording systems, it is characterized in that said high-ohmic cross-connection submodule is connected on the analog line or analog trunk of said digital SPC exchange, or is connected across simultaneously on analog line and the analog trunk.

8. according to claim 2 or 3 described integrated digital recording systems, it is characterized in that said digital junction signaling is extracted and voice acquisition module high-ohmic cross-connection to said digital circuit.

9. integrated digital recording system according to claim 8 is characterized in that, said digital junction signaling is extracted and voice acquisition module comprises:

The LED light panel that is connected with said master control submodule.

10. integrated digital recording system according to claim 9 is characterized in that said signal collecting and processing sub are connected on the digital trunk of said digital SPC exchange.

11. according to claim 1,2 or 3 described integrated digital recording systems; It is characterized in that said recording server comprises the playback port that is connected with said digital SPC exchange and extracts the network communication interface that is connected with voice acquisition module with said digital junction signaling.

12. integrated digital recording system according to claim 11 is characterized in that, said system is connected with said digital SPC exchange through distributing frame.