CN103312909A - Security control method based on Linux embedded platform IP (Internet protocol) phone monitoring system - Google Patents
Security control method based on Linux embedded platform IP (Internet protocol) phone monitoring system Download PDFInfo
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Abstract
The invention relates to the technical field of communication, in particular to a security control method based on a Linux embedded platform IP (Internet protocol) phone monitoring system. The method includes the steps of firstly, using a video acquisition module, mainly a camera infrared sensor, to collect video information, sending the acquired information to an IP terminal through serial ports, and using an audio acquisition module to acquire users' voices through a phone and transmits the same to the IP terminal through a microphone; secondly, by the IP terminal using an IP network to exchange information through SIP/MEDIA SERVER; wherein the second step requires registration to the server through the IP network. The security control method has the advantages that user operation management can be increased effectively, users can monitor various behaviors in a security area in real time, abnormal behaviors can be focused, hardware-software combination cost can be evaluated easily, manufacturing cost is low, and security management can be achieved efficiently.
Description
Technical field
The present invention relates to communication technique field, relate in particular to a kind of method based on Linux embedded platform IP phone supervisory control system control security protection.
Background technology
VoIP(Voice over Internet Protocol) is a kind of take IP phone as main, transmits at the enterprising lang sound of the network that has used Internet protocol, and release the technology of corresponding value-added service.The voip network phone is a kind of more advanced, more reliable emerging communication technology, has the development trend that progressively replaces conventional communication techniques.The networking telephone is just merging the Internet and conventional communication techniques Stepping into daily life, leads new life style.VoIP is exactly with simulated sound signal (Voice) digitlization in brief, the technology of transmitting in real time at IP data network (IP Network) with the pattern of data packet (Data Packet).The advantage of VoIP maximum is to adopt widely the environment of Internet and global ip interconnection, provides than more, the better services of traditional business.VoIP can provide the cheap business such as transmission voice, fax, video and data in IP network, such as storage forwarding of unified message, virtual telephony, virtual speech/fax mailbox, directory enquiry service, Internet call center, Internet call manager, video conference, ecommerce, fax storage forwarding and various information etc.
Still voip technology is not applied at present the correlation technique of security protection zone real-time management and control.
Perfect based on improving on the voice scheme under the voip technology scheme, the integrated video acquisition function by the transmission of audio frequency and video, is realized security protection zone real-time management and control in the use of professional domain.
Choose the voice scheme and support integrated video transmission on the product of Session Initiation Protocol, session initiation protocol (SIP) is the application layer control protocol that carries out multimedia communication at IP network that IETF proposes.SIP is the part of ietf standard process, and it is set up on such as SMTP (simple message transfer protocol (SMTP)) and HTTP (HTTP) basis.It is used for setting up, change and stops calling between the user of IP based network.For telephone service is provided, it also needs in conjunction with different standards and agreement, particularly need to guarantee transmission (RTP), signaling interconnection with current telephone network, can guarantee voice quality (RSVP), catalogue (LDAP) can be provided, can authentication user (RADIUS) etc.Take Internet agreement (HTTP) as the basis, follow the design principle of Internet, based on reciprocity mode of operation.Utilize SIP can realize connection, foundation and the release of session, and support clean culture, multicast and mobility.In addition, if SIP is used in conjunction with SDP, can dynamically adjust and revise session attribute, such as conversation bandwidth, the medium type that transmits and code/decode format.Finish the support of the multiple business of VoIP voice call based on SIP.
Dsp chip is supported the synchronous and conversion based on Session Initiation Protocol and Real-time Transport Protocol command transmitting and media data, DSP supports encoding and decoding, and echo is suppressed, and signal is processed, CID, dial mode (DTMF, FSK), etc. power, also support of enhanced service, such as quiet detection, the functions such as comfort noise, the network data packet loss remedies etc.
FXS/FXO mouth dislodging machine testing under the SLIC chip simulation user interface circuit, feed, the powers such as ring are realized, for the user realizes having played powerful support based on the SIP business.
Video acquisition module can be controlled by infrared sensor switch, gather analog video signal and issue the dsp chip processing by the AD conversion, then sending to the other side by IP network accepts, this also is the novel place of this invention, on the basis of audio data transmission storage, the storage of collection video information transmission, convenient management, for security protection work plays a significant role, increase work efficiency, later stage system also versatility is more intense in the transplanting aspect because all be the support of the compatible reasonable software and hardware in the communications field.
State in realization in the IP phone supervisory control system process, voice solution integration video scheme, make things convenient for user management by the access of WEB built-in browser in the process, the IP phone supervisory control system of dynamic update system information and customer management information WEBSERER access also makes moderate progress on performance, not only improve at the transmission accepting method, the detailed real-time Presentation Function of safeguard information also is provided, has also increased new function for safeguard information and image/video data.
Summary of the invention
The object of the present invention is to provide a kind of method based on Linux embedded platform IP phone supervisory control system control security protection, by the transmission of integrated video acquisition function and audio frequency and video, realize security protection zone real-time management and control.
For addressing the above problem, the technical solution used in the present invention is:
A kind of method based on Linux embedded platform IP phone supervisory control system control security protection may further comprise the steps:
Step 1, utilizing video acquisition module mainly is that the camera infrared sensor gathers video information, the information exchange that collects is crossed serial ports send to the IP terminal, utilizing the audio collection module mainly is to gather the user by the sound of phone, sends into the IP terminal by mouthpiece;
Step 2, the IP terminal only need to be registered on this server here through SIP/MEDIA SERVER server by utilizing IP network exchange message, passes through IP network.
Further technical scheme is, DSP module and the SLIC module of described IP terminal are responsible for processing, and described DSP mainly processes the PCM port number, and SLIC mainly processes phone and grabs on-hook detection, ring detection and feed phone state.。
Further technical scheme is, described cam device imports video information by infrared sensor and exports to voice terminal, synchronously video data is sent to the leading subscriber side by IP network in the process of voice call.
The beneficial effect that adopts technique scheme to produce is:
Can Effective Raise user operational administrative, abnormal behaviour is paid close attention in user's regional various actions of can Real Time Monitoring deploying troops on garrison duty, in whole scheme design process, hardware and software in conjunction with cost also be than be easier to the assessment, cost is relatively low, and can efficiently realize the safeguard management method.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 shows a kind of embodiment of method based on Linux embedded platform IP phone supervisory control system control security protection of the present invention: a kind of method based on Linux embedded platform IP phone supervisory control system control security protection may further comprise the steps:
Step 1, utilizing video acquisition module mainly is that the camera infrared sensor gathers video information, the information exchange that collects is crossed serial ports send to the IP terminal, utilizing the audio collection module mainly is to gather the user by the sound of phone, sends into the IP terminal by mouthpiece;
Step 2, the IP terminal only need to be registered on this server here through SIP/MEDIA SERVER server by utilizing IP network exchange message, passes through IP network.
A kind of preferred embodiment of method based on Linux embedded platform IP phone supervisory control system control security protection according to the present invention, DSP module and the SLIC module of described IP terminal are responsible for processing, support basic CALL PROGRESS TONE to detect, support is according to the configuration CALL PROGRESS TONE of country, detect special event and (be responsible for processing network packet, the detection of payload type, the detection of RTP SSRC CHANGE event), supports FAX/MODEM to detect, support transmission and the detection of CID, support the function of RTP package, support the echo inhibition, VAD/PLC detects, gain control, dithering process, TONE produces, and Three-Way Calling is with the flexibility ratio of SLIC equipment collocation, compatible, with collocation flexibility ratio and the compatibility of external memory storage, with collocation flexibility ratio and the compatibility of HOST CPU, etc. powerful VOIP function, the processing module of grasping this more complicated is that voice research and development colleague must grasp, and also wants the solution integration problem all to be very helpful to later solution dsp relevant issues; SLIC mainly processes phone and grabs the on-hook detection, and ring detects, and each state of the phones such as feed all is the action that is applied to phone by the user, processes by the SLIC module.
A kind of another preferred embodiment of method based on Linux embedded platform IP phone supervisory control system control security protection according to the present invention, described cam device, import video information by infrared sensor and export to voice terminal, in the process of voice call, synchronously video data is sent to the leading subscriber side by IP network.
Voice data is processed through the CALL MANAGER Call Control Block that the processing of SLIC sends in the IP terminal system by phone again, sets up the module of conversation and miscellaneous service, and namely the VOICE business module is processed and called out control; The administrator who at first is in the security protection zone logs on IP phone supervisory control system login page by WEB SERVER, by concrete some states that arrange of the page, monitoring menu (the information page in the zone of deploying troops on garrison duty, check the flow of personnel that enters the zone of deploying troops on garrison duty, concrete behavior and talking state etc.), some business that also can configure some common staff's IP phone (have some abundanter VOICE business such as some colleague, special dialing, tone information, hot line temperature line etc.), after these visit informations pass to Call Control Block (VOICE is professional) processing, cooperate DSP SLIC resume module voice adaptation, logic, send into IP terminal D SP SLIC and cooperate the VOICE business module area information of will deploying troops on garrison duty to feed back to and offer the staff that deploys troops on garrison duty on the WEB SERVER and use and the personnel's in the zone of deploying troops on garrison duty action also can be mutual.
User's access interface: embedded type WEB SERVER realizes, can realize that by webpage remote access also has this locality can, the user is after system gets up, can access subsystem by the IP network address that logs in the IP phone supervisory control system, can carry out access and the management of resource by WEB, such as the unusual and normal behaviour in the current zone of deploying troops on garrison duty of inquiry, be some basic services of IP terminal configuration and supplementary service (basic call, Call Waiting, forward, consulting turns etc.) concrete operations can manage according to the authority that system arranges current login user, the authority of different user access system is different, and is common only with access, carries out the inquiry that normal talking also has video data, but cannot revise, the administrator can carry out the read-write operation authority.
Use flow process of the present invention is:
(1) the safeguard management user and the domestic consumer that have different rights at first pass through WEB browser login system;
(2) the security protection zone is divided each installation camera of deploying troops on garrison duty and is gathered video information by infrared sensor switch, passes through video acquisition such as the staff in various cloth defence area or other people behavior;
(3) forwarding and the storage that IP phone realizes different object voice calls or message installed in each cloth defence area;
(4) video data of colleague's acquisition target is sent into IP phone supervisory control system end reaction and is shown the monitoring management that display provides the staff to the WEB page or by video software during the IP conversation.
This IP phone supervisory control system can be widely applied to the specialties area such as security protection, as a kind of efficient management implementation means.
His advantage is that cost is low, as the VoIP voice platform use in the communications field a kind of, mainly contain 4 kinds:
The first: voice over ip feature is increased in router or the ADSL/ modulator-demodulator, this platform is wherein the most basic a kind of, he can provide on one side frequently or Ethernet connects, and providing the connection (FXO/FXS) of RJ11 on one side in addition, thereby use any routine call can serve as IP phone and use.
The second: VoIP is applied to medium-sized enterprise's IP network accepting device, the similar routine call of the experience of IP phone outward appearance and use, unique difference is that they are connected with LAN rather than are connected with PSTN, almost beginning in the same way increases data service at wireless voice network, and mobile phone has developed into a kind of multifunctional platform.
The third: use and WLAN (wireless local area network) WLAN, become the WIFI mobile phone, it will action property and possible roaming function combine with unified message transmission.
The 4th kind: application is double mode lower with the honeycomb fashion that occurs simultaneously and wifi function, and the network vendors of honeycomb fashion may be with the WLAN module integration in mobile phone, and making its technical ability become voip phone also can become conventional mobile phone use.
Choose the voice scheme and support integrated video transmission on the product of Session Initiation Protocol, session initiation protocol (SIP) is the application layer control protocol that carries out multimedia communication at IP network that IETF proposes.SIP is the part of ietf standard process, and it is set up on such as SMTP (simple message transfer protocol (SMTP)) and HTTP (HTTP) basis.It is used for setting up, change and stops calling between the user of IP based network.For telephone service is provided, it also needs in conjunction with different standards and agreement, particularly need to guarantee transmission (RTP), signaling interconnection with current telephone network, can guarantee voice quality (RSVP), catalogue (LDAP) can be provided, can authentication user (RADIUS) etc.Take Internet agreement (HTTP) as the basis, follow the design principle of Internet, based on reciprocity mode of operation.Utilize SIP can realize connection, foundation and the release of session, and support clean culture, multicast and mobility.In addition, if SIP is used in conjunction with SDP, can dynamically adjust and revise session attribute, such as conversation bandwidth, the medium type that transmits and code/decode format.Finish the support of the multiple business of VoIP voice call based on SIP.
Dsp chip is supported the synchronous and conversion based on Session Initiation Protocol and Real-time Transport Protocol command transmitting and media data, DSP supports encoding and decoding, and echo is suppressed, and signal is processed, CID, dial mode (DTMF, FSK), etc. power, also support of enhanced service, such as quiet detection, the functions such as comfort noise, the network data packet loss remedies etc.
FXS/FXO mouth dislodging machine testing under the SLIC chip simulation user interface circuit, feed, the powers such as ring are realized, for the user realizes having played powerful support based on the SIP business.
Video acquisition module can be controlled by infrared sensor switch, gather analog video signal and issue the dsp chip processing by the AD conversion, then sending to the other side by IP network accepts, this also is the novel place of this invention, on the basis of audio data transmission storage, the storage of collection video information transmission, convenient management, for security protection work plays a significant role, increase work efficiency, later stage system also versatility is more intense in the transplanting aspect because all be the support of the compatible reasonable software and hardware in the communications field.
State in realization in the IP phone supervisory control system process, voice solution integration video scheme, make things convenient for user management by the access of WEB built-in browser in the process, the IP phone supervisory control system of dynamic update system information and customer management information WEBSERER access also makes moderate progress on performance, not only improve at the transmission accepting method, the detailed real-time Presentation Function of safeguard information also is provided, has also increased new function for safeguard information and image/video data
Can Effective Raise user operational administrative, user's regional various actions of can Real Time Monitoring deploying troops on garrison duty, pay close attention to abnormal behaviour, in whole scheme design process, hardware and software in conjunction with cost also be than be easier to the assessment, can in the low-cost environment of cost, realize, can select the LINUX system such as Software Development Platform, rather than relatively more expensive VXWORKS platform, the DSP that hardware is more common, the SLIC chip gets final product, and controls the interior a more novel tone information of implementing of cost scope of whole product and the scheme of video behavior monitoring, and the service of convenience and high-efficiency is provided for professional domain.
Claims (3)
1. method based on Linux embedded platform IP phone supervisory control system control security protection is characterized in that: may further comprise the steps:
Step 1, utilizing video acquisition module mainly is that the camera infrared sensor gathers video information, the information exchange that collects is crossed serial ports send to the IP terminal, utilizing the audio collection module mainly is to gather the user by the sound of phone, sends into the IP terminal by mouthpiece;
Step 2, the IP terminal only need to be registered on this server here through SIP/MEDIA SERVER server by utilizing IP network exchange message, passes through IP network.
2. a kind of method based on Linux embedded platform IP phone supervisory control system control security protection according to claim 1, it is characterized in that: DSP module and the SLIC module of described IP terminal are responsible for processing, described DSP mainly processes the PCM port number, and SLIC mainly processes phone and grabs on-hook detection, ring detection and feed phone state.。
3. a kind of method based on Linux embedded platform IP phone supervisory control system control security protection according to claim 1, it is characterized in that: described cam device, import video information by infrared sensor and export to voice terminal, in the process of voice call, synchronously video data is sent to the leading subscriber side by IP network.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106412095A (en) * | 2016-10-26 | 2017-02-15 | 安徽扬远信息科技有限公司 | Embedded Linux video based monitoring system |
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| CN201509232U (en) * | 2009-09-10 | 2010-06-16 | 上海第二工业大学 | Novel video frequency IP telephone |
| CN102420823A (en) * | 2011-11-29 | 2012-04-18 | 太仓市同维电子有限公司 | Simplified-session initiation protocol (SIP)-based simplified intelligent monitoring system and positioning and monitoring methods |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201509232U (en) * | 2009-09-10 | 2010-06-16 | 上海第二工业大学 | Novel video frequency IP telephone |
| CN102420823A (en) * | 2011-11-29 | 2012-04-18 | 太仓市同维电子有限公司 | Simplified-session initiation protocol (SIP)-based simplified intelligent monitoring system and positioning and monitoring methods |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106412095A (en) * | 2016-10-26 | 2017-02-15 | 安徽扬远信息科技有限公司 | Embedded Linux video based monitoring system |
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Application publication date: 20130918 |