CN204615910U - IP phone and radio station switching device - Google Patents
IP phone and radio station switching device Download PDFInfo
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- CN204615910U CN204615910U CN201520241231.1U CN201520241231U CN204615910U CN 204615910 U CN204615910 U CN 204615910U CN 201520241231 U CN201520241231 U CN 201520241231U CN 204615910 U CN204615910 U CN 204615910U
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Abstract
IP phone and radio station switching device, comprise shell mechanism part, also comprises power module, Digital audio process module, ARM+DSP digital signal processing module and mixed-media network modules mixed-media, and described mixed-media network modules mixed-media is connected with external IP phone by RJ-45 interface; Described Digital audio process module one end is by serial ports DB9 interface and radio station phonetic entry, radio station MIC, and radio station COR is connected with radio station PTT; The described Digital audio process module other end is connected with ARM+DSP digital signal processing module; Described power module is connected with external power source input by power interface, and described power module is Digital audio process module, ARM+DSP digital signal processing module and mixed-media network modules mixed-media provide direct-current working volts.It has is convenient to install the feature of carrying, and public IP telephone net can be connected with station telecommunication system, realizes the voice intercommunication between public telephone and radio station system.
Description
Technical field
The utility model relates to a kind of IP phone for emergency communication guarantee and radio station switching device, and especially a kind of remote station that realizes uses the Internet to carry out the voice communications facility conversed as relaying under without radio signals overlay environment.
Background technology
Current radio station (comprising hand-held station) is merely able to carry out communicating or communicating mutually in certain coverage in certain scope, it is requisite a kind of means of communication in emergency communication, such as: the Digital Clusterings such as IDEN, 350M general communication net, general conventional intercom system etc., but cost is high, it is huge to invest, area is wide, and the network coverage is very poor.Current radio station product also has and carries out ultrashort voice transit by short-wave radio set.But investment is large, sound effect is poor, closely use simultaneously and have larger restriction, few people adopt.
In order to multiple radio station that can realize without the scene of the accident in coverage can keep conversing with Police Command Center, realize commanding in real time, be necessary very much to adopt a kind of communicator that on-the-spot radio station speech can be linked into command centre.
Utility model content
The purpose of this utility model is the deficiency solving the station telecommunication network coverage in prior art, and provides a kind of structure simple, and easy to use, volume is little, IP phone of good performance and radio station switching device.
To achieve these goals, the utility model solves the technical scheme that its technical problem adopts and is:
IP phone and radio station switching device, comprise shell mechanism part, also comprises power module, Digital audio process module, ARM+DSP digital signal processing module and mixed-media network modules mixed-media, and described mixed-media network modules mixed-media is connected with external IP phone by RJ-45 interface; Described Digital audio process module one end is by serial ports DB9 interface and radio station phonetic entry, radio station MIC, and radio station COR is connected with radio station PTT; The described Digital audio process module other end is connected with ARM+DSP digital signal processing module; Described power module is connected with external power source input by power interface, and described power module is Digital audio process module, ARM+DSP digital signal processing module and mixed-media network modules mixed-media provide direct-current working volts.
With SIP client on described ARM+DSP digital signal processing module, after IP phone and radio station switching device finishing equipment initialization, SIP client on ARM+DSP digital signal processing module is registered to standard external sip server by standard SIP protocol (RFC3261), external IP phone is connected to mixed-media network modules mixed-media by RJ-45 interface, and be connected to the process of ARM+DSP digital signal processing module by mixed-media network modules mixed-media, then complete protocol conversion and FIR filtering by Digital audio process module, exported by radio station MIC by DB9 interface.
The phonetic entry of described radio station completes FIR filtering and dtmf signal analysis to Digital audio process module, then obtain radio station speech data through the process of ARM+DSP digital signal processing module, the SIP client on ARM+DSP digital signal processing module is sent to external SIP server by mixed-media network modules mixed-media and RJ-45 interface after radio station speech data is packaged into standard RTP protocol data (RFC3550) and SIP data (RFC3261) again.
The beneficial effects of the utility model are:
1, it extends the coverage of radio station, reduces investment, and simultaneously owing to aiming at vehicle-mounted design, installation of being more convenient for is carried, and the link ensured for each emergency communication provides strong support.
2, communication interconnecting function of the present utility model makes to carry out the call with command centre when covering without radio station at the scene of emergency communication, the speech in multiple for scene different radio station and command centre are interconnected, this sets up interim command system for emergency communication and provides good solution.
3, it can be connected public IP telephone net with station telecommunication system, realizes the voice intercommunication between public telephone and radio station system.
Accompanying drawing explanation
Fig. 1 is module composition frame chart of the present utility model.
Fig. 2 is flow chart of data processing figure of the present utility model.
Fig. 3 is interrupt processing flow chart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described, but the utility model is not limited to following examples.
As shown in Figure 1, IP phone and radio station switching device, comprise shell mechanism part, also comprise power module 5, Digital audio process module 2, ARM+DSP digital signal processing module 3 and mixed-media network modules mixed-media 7, described mixed-media network modules mixed-media 7 is connected with external IP phone by RJ-45 interface 6; Described Digital audio process module 2 one end is by serial ports DB9 interface 1 and radio station phonetic entry, radio station MIC, and radio station COR is connected with radio station PTT; Described Digital audio process module 2 other end is connected with ARM+DSP digital signal processing module 3; Described power module 5 is connected with external power source input by power interface 4, and described power module 5 is Digital audio process module 2, ARM+DSP digital signal processing module 3 and mixed-media network modules mixed-media 7 provide direct-current working volts.
With SIP client on ARM+DSP digital signal processing module of the present utility model, after IP phone and radio station switching device finishing equipment initialization, SIP client on ARM+DSP digital signal processing module is registered to standard external sip server by standard SIP protocol (RFC3261), external IP phone is connected to mixed-media network modules mixed-media 7 by RJ-45 interface 6, and be connected to ARM+DSP digital signal processing module 3 by mixed-media network modules mixed-media 7 and process, and then be connected to Digital audio process module 2, protocol conversion and FIR filtering is completed by Digital audio process module 2, finally by DB9 interface 1 by radio station MIC, radio station PTT exports.
Radio station of the present utility model phonetic entry completes FIR filtering and dtmf signal analysis to Digital audio process module 2, then radio station speech data is obtained through ARM+DSP digital signal processing module 3 process, SIP client on ARM+DSP digital signal processing module 3 is sent to SIP client radio station input voice data, and SIP client is sent to external SIP server by mixed-media network modules mixed-media 7 and RJ-45 interface 6 after radio station speech data is packaged into standard RTP protocol data (RFC3550) and SIP data (RFC3261) again.
The COR signal in outside radio station after Digital audio process module process, then delivers to ARM+DSP digital signal processing module; The power supply of external power source input and vehicle-mounted 9 to 36V inputs to power module via power interface, and external power source is transferred to 1.8V, 3.3V and 5V are Digital audio process module by power module, mixed-media network modules mixed-media and ARM+DSP digital signal processing module are powered.
The data that described Digital audio process module 2 collects carry out exporting from other direction after filtering, level and smooth, noise reduction, analysis, identification DTMF through ARM+DSP digital signal processing module 3; The utility model can identify whether authentic voice input, has the measuring ability of dtmf signal, and can carry out the control action of voice priority, exterior I/O according to the content of dtmf signal.
The voice signal of IP phone inputs to mixed-media network modules mixed-media 7 by RJ-45 interface 6, input to ARM+DSP digital signal processing module 3 again, ARM+DSP digital signal processing module 3 receives IP phone input voice to speech data protocol conversion and FIR filtering process by RJ-45 interface 6, speech data after process is sent to radio station voice MIC interface by digital speech processing module 2, gather radio station input speech data by digital speech processing module 2 and FIR filtering is carried out to voice, whether detect has dtmf signal to input, input if any dtmf signal, load DTMF flag bit in dtmf signal to Frame, then the speech data after the speech processes of radio station is dealt into SIP client, SIP client is sent to sip server according to talk protocol transform coding agreement by RJ-45 interface 6.
ARM+DSP digital speech processing chip of the present utility model as shown in Figure 3, chip handling process adopts down trigger handling process, carries out digitlization, filtering, level and smooth, noise reduction, analysis, identification intercommunication to the voice signal in IP phone and radio station.
The utility model adopts a kind of digital processing technology IP telephony network and broadcasting station equipment to be coupled together, and realizes one or more long-range radio station and accesses to certain specifically commander's call point also call mutually by IP telephony network as relaying.Adopted IP phone be not limited to the device such as mobile phone, telephone set, comprise the equipment such as the MODEM that can access mobile telephone network simultaneously.
The technology that the utility model is not described in detail is known technology, and those skilled in the art can implement the utility model easily on the basis understanding this specification, and content represented in accompanying drawing is the part of this specification.
The claimed scope of the utility model is not limited to each embodiment introduced herein, all various forms of conversion of doing based on the utility model claim and description and replacement, all belongs to the scope that the utility model patent contains.
Claims (3)
1.IP phone and radio station switching device, comprise shell mechanism part, it is characterized in that: also comprise power module (5), Digital audio process module (2), ARM+DSP digital signal processing module (3) and mixed-media network modules mixed-media (7), described mixed-media network modules mixed-media (7) is connected with external IP phone by RJ-45 interface (6); Described Digital audio process module (2) one end is by serial ports DB9 interface (1) and radio station phonetic entry, radio station MIC, and radio station COR is connected with radio station PTT; Described Digital audio process module (2) other end is connected with ARM+DSP digital signal processing module (3); Described power module (5) is connected with external power source input by power interface (4), and described power module (5) is Digital audio process module (2), ARM+DSP digital signal processing module (3) and mixed-media network modules mixed-media (7) provide direct-current working volts.
2. IP phone according to claim 1 and radio station switching device, it is characterized in that on described ARM+DSP digital signal processing module with SIP client, after IP phone and radio station switching device finishing equipment initialization, SIP client on ARM+DSP digital signal processing module is registered to standard external sip server by standard SIP protocol (RFC3261), external IP phone is connected to mixed-media network modules mixed-media (7) by RJ-45 interface (6), and be connected to ARM+DSP digital signal processing module (3) process by mixed-media network modules mixed-media (7), then protocol conversion and FIR filtering is completed by Digital audio process module (2), exported by radio station MIC by DB9 interface (1).
3. IP phone according to claim 1 and radio station switching device, it is characterized in that the phonetic entry of described radio station completes FIR filtering and dtmf signal analysis to Digital audio process module (2), then obtain radio station speech data through ARM+DSP digital signal processing module (3) process, the SIP client on ARM+DSP digital signal processing module (3) is sent to external SIP server by mixed-media network modules mixed-media (7) and RJ-45 interface (6) after radio station speech data is packaged into standard RTP protocol data (RFC3550) and SIP data (RFC3261) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520241231.1U CN204615910U (en) | 2015-04-20 | 2015-04-20 | IP phone and radio station switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520241231.1U CN204615910U (en) | 2015-04-20 | 2015-04-20 | IP phone and radio station switching device |
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| Publication Number | Publication Date |
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| CN204615910U true CN204615910U (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520241231.1U Expired - Fee Related CN204615910U (en) | 2015-04-20 | 2015-04-20 | IP phone and radio station switching device |
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| Country | Link |
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| CN (1) | CN204615910U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248894A (en) * | 2017-06-02 | 2017-10-13 | 广东凌传科技有限公司 | Embedded radio station IP voice modules and its control method |
| CN108012039A (en) * | 2017-12-04 | 2018-05-08 | 中国电子科技集团公司第二十八研究所 | A kind of portable integrated speech communication equipment |
| CN108429864A (en) * | 2018-02-02 | 2018-08-21 | 福建科立讯通信有限公司 | A method of realizing that pstn telephone arbitrarily calls DMR equipment |
-
2015
- 2015-04-20 CN CN201520241231.1U patent/CN204615910U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248894A (en) * | 2017-06-02 | 2017-10-13 | 广东凌传科技有限公司 | Embedded radio station IP voice modules and its control method |
| CN107248894B (en) * | 2017-06-02 | 2019-06-11 | 广东凌传科技有限公司 | Embedded radio station IP voice module and its control method |
| CN108012039A (en) * | 2017-12-04 | 2018-05-08 | 中国电子科技集团公司第二十八研究所 | A kind of portable integrated speech communication equipment |
| CN108012039B (en) * | 2017-12-04 | 2020-01-14 | 南京莱斯电子设备有限公司 | Portable integrated voice communication equipment |
| CN108429864A (en) * | 2018-02-02 | 2018-08-21 | 福建科立讯通信有限公司 | A method of realizing that pstn telephone arbitrarily calls DMR equipment |
| CN108429864B (en) * | 2018-02-02 | 2021-03-02 | 福建科立讯通信有限公司 | Method for realizing arbitrary DMR equipment calling by PSTN telephone |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20180420 |