CN102118525A - Mine broadcasting telephone system based on VoIP (Voice over Internet Phone) - Google Patents
Mine broadcasting telephone system based on VoIP (Voice over Internet Phone) Download PDFInfo
- Publication number
- CN102118525A CN102118525A CN2009102445511A CN200910244551A CN102118525A CN 102118525 A CN102118525 A CN 102118525A CN 2009102445511 A CN2009102445511 A CN 2009102445511A CN 200910244551 A CN200910244551 A CN 200910244551A CN 102118525 A CN102118525 A CN 102118525A
- Authority
- CN
- China
- Prior art keywords
- telephone call
- mining
- bus
- module
- call screener
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses a mine broadcasting telephone system based on a VoIP (Voice over Internet Phone). The mine broadcasting telephone system comprises a central dispatching station, a plurality of IP transmission media, a plurality of mine voice gateways and a plurality of mine broadcasting telephones, wherein each IP transmission medium is connected with the central dispatching station, the IP transmission media are connected with the mine voice gateway, and the mine voice gateway is connected with the mine broadcasting telephones; and the mine voice gateway comprises a processor module, a voice coding and decoding module and a bus logic control and simulation interface module, wherein the bus logic control and simulation interface module is connected with the processor module and the voice coding and decoding module respectively, and the voice coding and decoding module and the processor module are mutually connected. By using the mine broadcasting telephone system, the IP voice transmission of the mine broadcasting telephones is successfully realized, so that the capacity of the original broadcasting system is greatly increased, and better functions of system management and information interaction are realized.
Description
Technical field
The present invention relates to a kind of mining expansion telephone call screener system, relate in particular to a kind of mining expansion telephone call screener system that VoIP (Voiceover IP, Internet Protocol telephone) technology is combined with traditional mining expansion telephone call screener, belong to mine private communication technical field.
Background technology
Mining expansion telephone call screener is a kind of communication equipment that often adopts under the mine, is used for the on-the-spot real time communication between the realization operator under mine.Traditional mining expansion telephone call screener adopts half-duplex communication mode mostly, is linked to be a branch road by a plurality of expansion telephone call screeners.For example in the existing mining expansion broadcast system of shown in Figure 1 certain, the expansion telephone call screener that each bar branch road can carry is about 25.These expand telephone call screeners by A, B ,+,-four holding wires realize cascades.Wherein ,+,-holding wire is as the power supply signal line that expands the telephone call screener power supply, and A, B line are used to realize that bus seizes the transmission of control and analog voice signal.
For for relatively large mine, needed expansion telephone call screener is a lot of under the mine.In above-mentioned mining expansion broadcast system, the number of the expansion telephone call screener that each bar branch road can be supported is subjected to the influence of signal driving force, often can only realize 25 cascades of expanding telephone call screener, is unfavorable for whole mining expansion broadcast system realization centralized dispatching control.Therefore, the finite capacity of existing mining expansion telephone call screener just becomes the maximum bottleneck of setting up large-scale mine expansion broadcast system.
On the other hand, VoIP a kind ofly converts speech or facsimile signal to packet (DataPacket), and the technology of internet usage agreement and corresponding call signaling transporting speech on IP network.Its implementation procedure is: at first the analog voice information of first speaker is carried out speech coding; Next the speech data package is also compressed, added address and control information simultaneously; Then, the IP packaged by the IP network transmission wraps, and searches out the destination of transmission in IP network according to the address that IP wraps.Arrive after the destination, to the work that the IP bag is deciphered and reduced, converting thereof into callee can played sound signal.
In VoIP system, voice gateways are being brought into play crucial effects.It is connected with IP network on the one hand, is connected with current public telephone network (PSTN) on the other hand, to realize the interconnection and interflow of VoIP system and general telephone network.
But just known to the applicant, still in mining expansion broadcast system, do not use the mature technology solution of VoIP voice gateways at present.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of mining expansion telephone call screener system based on voip technology.This system has introduced the notion of mining voice gateways and central schedule platform, voip technology can be combined with traditional mining expansion telephone call screener.
For realizing above-mentioned goal of the invention, the present invention adopts following technical scheme:
A kind of mining expansion telephone call screener system based on VoIP is characterized in that:
Described mining expansion telephone call screener system is made up of central schedule platform, a plurality of IP transmission medium, a plurality of mining voice gateways and the mining expansion telephone call screener of Duo Tai; Wherein,
Each IP transmission medium is connected with described central schedule platform, and this IP transmission medium connects described mining voice gateways, and described mining voice gateways connect described mining expansion telephone call screener;
Described mining voice gateways comprise processor module, encoding and decoding speech module and bus logic control and analog interface module, described bus logic control is connected with described encoding and decoding speech module with described processor module respectively with analog interface module, and described encoding and decoding speech module and described processor module interconnect.
Wherein, described bus logic control is made up of bus logic processing module and analog voice signal processing module with analog interface module.
Have also in the control of described bus logic and the analog interface module that bus state detects logical block and bus takies the control logic unit, described bus state detects logical block and is used to detect current mining expansion telephone call screener bus and whether is in busy condition, and described bus takies the control logic unit and is used to realize taking or discharge mining expansion telephone call screener bus; Described bus state detection logical block and bus take the control logic unit and are connected between mining expansion telephone call screener bus and the described bus logic processing module.
Described analog voice signal processing module comprises encoding and decoding speech signal processing unit, channel direction gating unit, transmitter side analog signal processing circuit and receiver side analog signal processing circuit; Described channel direction gating unit directly is connected with described mining expansion telephone call screener, and described transmitter side analog signal processing circuit and described receiver side analog signal processing circuit are connected between described encoding and decoding speech signal processing unit and the described channel direction gating unit.
Mining expansion telephone call screener provided by the present invention system is by adopting the correlation technique of VoIP voice gateways, and merge mutually with traditional mining expansion telephone call screener technology, successfully realized the voice over IP transmission of mining expansion telephone call screener, thereby increased substantially the capacity of original expansion broadcast system, and realized the more system management and the information interaction function of high-quality.
Description of drawings
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is in certain existing mining expansion broadcast system, the annexation schematic diagram of the expansion telephone call screener on each bar branch road;
Fig. 2 is the overall structure schematic diagram of the mining expansion telephone call screener system that adopts that mining voice gateways set up;
Fig. 3 takies and the logic control chart that discharges for bus between mining voice gateways and the mining expansion telephone call screener;
Fig. 4 is the schematic diagram of the analog voice signal processing module between mining voice gateways and the mining expansion telephone call screener.
Embodiment
As shown in Figure 2, mining expansion telephone call screener provided by the present invention system is made up of central schedule platform, a plurality of IP transmission medium, a plurality of mining voice gateways and the mining expansion telephone call screener of Duo Tai.Wherein each IP transmission medium all is connected with the central schedule platform, and this IP transmission medium connects mining voice gateways simultaneously, and these mining voice gateways connect mining expansion telephone call screener.Above-mentioned IP transmission medium is the general designation that is used to transmit the communication equipment of IP bag, for example router, switch etc.
In the mining expansion telephone call screener of basis system, mining voice gateways are a kind of VoIP voice gateways that can support mining expansion telephone call screener.Different with general VoIP voice gateways is that these mining voice gateways also comprise the bus logic control and the analog interface module that are connected with mining expansion telephone call screener except comprising traditional processor module and encoding and decoding speech module.The control of this bus logic is made up of bus logic processing module and analog voice signal processing module with analog interface module, and is connected with the encoding and decoding speech module with above-mentioned processor module respectively, and this encoding and decoding speech module and processor module interconnect.
These mining voice gateways both can be with the voice messaging of every branch road by the Internet-delivered to the central schedule platform, the control command of central schedule platform can be handed down to each bar branch road again.Because mining voice gateways are connected with mining expansion telephone call screener, so must satisfy the connection request of mining expansion telephone call screener on Interface design.Traditional mining expansion telephone call screener all is the mode that adopts half-duplex operation, possesses the logic function that bus takies and discharges.In addition, the audio signal of mining expansion telephone call screener exists certain difference with the Subscriber Line Interface Circuit of common VoIP voice gateways on signaling and ardware feature.So mining voice gateways are connected at the interface with mining expansion telephone call screener and need to provide corresponding bus logic processing module and analog voice signal processing module by circuit design.These two modules provide the bus of mining expansion telephone call screener system to take signal processing function with release function and voice channel respectively.Below this is launched detailed explanation.
Fig. 3 has shown that bus takies and the logic control relation that discharges between mining voice gateways and the mining expansion telephone call screener.Before address, the mining expansion telephone call screener that mine uses down generally is to adopt half-duplex communication mode.A plurality of mining expansion telephone call screener carries are on same bus.If certain mining expansion telephone call screener will be conversed, just must check whether bus is in idle condition.When if bus is in busy condition, just must not seize bus.So on the circuit design of bus logic processing module, should have a bus state to detect logical block, be used to detect current mining expansion telephone call screener bus and whether be in busy condition.If bus is in idle condition, then show under the present case to take bus, so on the circuit design of bus logic processing module, also must there be a bus to take the control logic unit, be used to realize taking or discharge to mining expansion telephone call screener bus.After bus was occupied, other equipment just must not take bus.After conversation was finished, bus takies the control logic unit also will finish the action that discharges bus, can take and control bus in the ensuing time with the equipment that guarantees other.Above-mentioned bus state detection logical block and bus take the control logic unit and are connected between mining expansion telephone call screener bus and the bus logic processing module, and concrete circuit design need be followed the bus protocol of relevant producer and realize.This is the conventional design that those skilled in the art can both realize, has not just given unnecessary details in detail at this.
Further introduce the analog voice signal processing module in these mining voice gateways below.As shown in Figure 4, this analog voice signal processing module comprises several parts such as encoding and decoding speech signal processing unit, channel direction gating unit, transmitter side analog signal processing circuit and receiver side analog signal processing circuit.Wherein the channel direction gating unit directly is connected with mining expansion telephone call screener, transmitter side analog signal processing circuit and receiver side analog signal processing circuit are connected between encoding and decoding speech signal processing unit and the channel direction gating unit, transmit Tx and Rx signal respectively.
In the output channel direction, the voice signal of encoding and decoding speech signal processing unit output enters mining expansion telephone call screener through the channel direction gating unit again through the transmitter side analog signal processing circuit.This transmitter side analog signal processing circuit is mainly used in finishes functions such as some signal gain adjustment and impedance matching, insulation blocking.In the input channel direction, the voice signal that mining expansion telephone call screener is come in is sent into and is accepted side form analog signal treatment circuit through after the channel direction gating unit, enters the encoding and decoding speech signal processing unit subsequently and handles.The function class of accepting side form analog signal treatment circuit and transmitter side analog signal processing circuit does not seemingly repeat them here.
Translation function between the channel direction gating unit is used to finish from the full duplex to the half-duplex.Because mining expansion telephone call screener system is semiduplex, and the VoIP voice gateways generally are full duplexs, so on circuit is realized, need to increase a channel direction gating unit.When sending voice, the channel direction gating unit is opened the passage of sending direction, reciever to pathway closure, vice versa.Like this, behind the channel direction gating unit, voice signal just can be sent to mining expansion telephone call screener one side.
Mining voice gateways among the present invention can link to each other with the central schedule platform by various IP communication modes.The central schedule platform is as a central schedule unit, the voice call information of the functional packet vinculum road gating of realization, every branch road of monitoring, to the voice messaging of every branch road carry out storage backup, simultaneously to wherein one or more of branch roads conversations, simultaneously accept the one or more of branch roads in down-hole conversation, show the presence of each bar circuit etc.This central schedule platform can be selected single or a plurality of servers for use, cooperates some conventional man-machine interaction softwares and concrete voice communication agreement (such as SIP, H.323 wait) to realize, has not just given unnecessary details in detail at this.
This mining expansion telephone call screener system has realized interconnection with mining expansion telephone call screener by adopting VoIP voice gateways technology, and further the voice messaging of every branch road is passed to the central schedule platform, thereby solved the communication performance bottleneck problem of traditional mining expansion telephone call screener well by the ip voice bag.Utilize the software setting on the central schedule platform, can realize the more system management and the information interaction function of high-quality.
Above the mining expansion telephone call screener system based on VoIP of the present invention is had been described in detail.For one of ordinary skill in the art, any conspicuous change of under the prerequisite that does not deviate from connotation of the present invention it being done all will constitute to infringement of patent right of the present invention, with corresponding legal responsibilities.
Claims (4)
1. mining expansion telephone call screener system based on VoIP is characterized in that:
Described mining expansion telephone call screener system is made up of central schedule platform, a plurality of IP transmission medium, a plurality of mining voice gateways and the mining expansion telephone call screener of Duo Tai; Wherein,
Each IP transmission medium is connected with described central schedule platform, and this IP transmission medium connects described mining voice gateways, and described mining voice gateways connect described mining expansion telephone call screener;
Described mining voice gateways comprise processor module, encoding and decoding speech module and bus logic control and analog interface module, described bus logic control is connected with described encoding and decoding speech module with described processor module respectively with analog interface module, and described encoding and decoding speech module and described processor module interconnect.
2. mining expansion telephone call screener as claimed in claim 1 system is characterized in that:
Described bus logic control is made up of bus logic processing module and analog voice signal processing module with analog interface module.
3. mining expansion telephone call screener as claimed in claim 2 system is characterized in that:
Have also in the control of described bus logic and the analog interface module that bus state detects logical block and bus takies the control logic unit, described bus state detects logical block and is used to detect current mining expansion telephone call screener bus and whether is in busy condition, and described bus takies the control logic unit and is used to realize taking or discharge mining expansion telephone call screener bus; Described bus state detection logical block and bus take the control logic unit and are connected between mining expansion telephone call screener bus and the described bus logic processing module.
4. mining expansion telephone call screener as claimed in claim 2 system is characterized in that:
Described analog voice signal processing module comprises encoding and decoding speech signal processing unit, channel direction gating unit, transmitter side analog signal processing circuit and receiver side analog signal processing circuit; Described channel direction gating unit directly is connected with described mining expansion telephone call screener, and described transmitter side analog signal processing circuit and described receiver side analog signal processing circuit are connected between described encoding and decoding speech signal processing unit and the described channel direction gating unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910244551 CN102118525B (en) | 2009-12-30 | 2009-12-30 | Mine broadcasting telephone system based on VoIP (Voice over Internet Phone) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910244551 CN102118525B (en) | 2009-12-30 | 2009-12-30 | Mine broadcasting telephone system based on VoIP (Voice over Internet Phone) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102118525A true CN102118525A (en) | 2011-07-06 |
| CN102118525B CN102118525B (en) | 2013-07-03 |
Family
ID=44217109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910244551 Active CN102118525B (en) | 2009-12-30 | 2009-12-30 | Mine broadcasting telephone system based on VoIP (Voice over Internet Phone) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102118525B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104804A (en) * | 2014-06-26 | 2014-10-15 | 苏州福德保瑞科技发展有限公司 | Mining intrinsic safety type voice system and voice device thereof |
| CN107367802A (en) * | 2016-05-13 | 2017-11-21 | Ntt电子股份有限公司 | Optical module |
| CN113840027A (en) * | 2021-08-25 | 2021-12-24 | 杭州蛟洋通信科技有限公司 | Special public address telephone system for coal mine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070160192A1 (en) * | 2005-12-27 | 2007-07-12 | Fujitsu Limited | Communication method, communication system, and connection apparatus |
| CN101394447A (en) * | 2007-09-21 | 2009-03-25 | 中国矿业大学(北京) | Multimedia communication system for mining |
| WO2009088496A1 (en) * | 2008-01-04 | 2009-07-16 | Nokia Siemens Networks Oy | System and method for efficient half duplex transceiver operation in a packet-based wireless communication system |
-
2009
- 2009-12-30 CN CN 200910244551 patent/CN102118525B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070160192A1 (en) * | 2005-12-27 | 2007-07-12 | Fujitsu Limited | Communication method, communication system, and connection apparatus |
| CN101394447A (en) * | 2007-09-21 | 2009-03-25 | 中国矿业大学(北京) | Multimedia communication system for mining |
| WO2009088496A1 (en) * | 2008-01-04 | 2009-07-16 | Nokia Siemens Networks Oy | System and method for efficient half duplex transceiver operation in a packet-based wireless communication system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104104804A (en) * | 2014-06-26 | 2014-10-15 | 苏州福德保瑞科技发展有限公司 | Mining intrinsic safety type voice system and voice device thereof |
| CN104104804B (en) * | 2014-06-26 | 2015-07-01 | 苏州福德保瑞科技发展有限公司 | Mining intrinsic safety type voice system and voice device thereof |
| CN107367802A (en) * | 2016-05-13 | 2017-11-21 | Ntt电子股份有限公司 | Optical module |
| CN113840027A (en) * | 2021-08-25 | 2021-12-24 | 杭州蛟洋通信科技有限公司 | Special public address telephone system for coal mine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102118525B (en) | 2013-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1149502B1 (en) | Tone detection elimination | |
| US20070019571A1 (en) | Apparatus and method for audio communications | |
| CN102118525B (en) | Mine broadcasting telephone system based on VoIP (Voice over Internet Phone) | |
| CN100463453C (en) | VoIP gateway and its application method | |
| CN101242458B (en) | Media gateway and control method thereof | |
| CN101355611B (en) | Voice conference system and portable electronic device using the same | |
| CN101159719B (en) | VoIP analogy gateway and inside switch method of implementing conversation under fault condition | |
| CN101257540B (en) | Voice gateway for connecting IPv6 network telephone and PSTN | |
| CN1988578A (en) | System and method for providing multimedia communication and household gateway | |
| CN101472019B (en) | Method, system and device for mutually communicating outband DTMF signaling | |
| CN102377888A (en) | System, device and method for implementing microwave communication on-line public telephone | |
| CN201910856U (en) | Integrated access device | |
| CN101645982B (en) | Method and service veneer for voice terminal simulation test | |
| CN103841279B (en) | Bus type multi-party communication digital telephone system | |
| CN1490997A (en) | Dual net IP telephone realizing method and dual net IP telephone concentrator | |
| CN217063723U (en) | Digital multi-party call talkback broadcast communication system | |
| CN201690469U (en) | Gateway of telephone communication system based on Ethernet | |
| CN101227535B (en) | Method for transmitting data and port conversion equipment | |
| JP2003069652A (en) | Voice communication system | |
| CN201690497U (en) | Network telephone terminal based on telephone communication system of Ethernet | |
| CN1805451A (en) | Internet voice protocol terminal | |
| CN202309840U (en) | Low-code-stream-based VoIP (Voice over Internet Protocol) voice gateway and voice gateway system | |
| CN101136959B (en) | Method and system for transmitting analog control signalling on E&M virtual private line | |
| CN101399868B (en) | Multifunctional telephone device for IP voice communication | |
| JP2007221546A (en) | Sound transmitter and method of transmitting the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |