CN101383952A - Discovery method for IP audio and video apparatus - Google Patents
Discovery method for IP audio and video apparatus Download PDFInfo
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- CN101383952A CN101383952A CNA2007100940712A CN200710094071A CN101383952A CN 101383952 A CN101383952 A CN 101383952A CN A2007100940712 A CNA2007100940712 A CN A2007100940712A CN 200710094071 A CN200710094071 A CN 200710094071A CN 101383952 A CN101383952 A CN 101383952A
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Abstract
The invention discloses a discovery method for IP voice video equipment, which is characterized in that equipment code protocol components are added on the IP voice video equipment and a controller to communicate. The discovery method comprises the steps that the controller and the IP voice video equipment are accessed into a network to automatically obtain a network IP address; the IP voice video equipment multicasts description information to the network; and the IP voice video equipment receives equipment search information that the controller multicasts to the network and unicasts the equipment description information to the controller when the search conditions are satisfied. In the invention, the equipment is uniformly identified and classified according to the application; and the existence of the IP voice equipment and the service that the equipment provides in the network are known about through the results of automatic discovery and search.
Description
Technical field
The present invention relates to a kind of discover method of ip voice video equipment.
Background technology
Along with reaching its maturity and extensive use of VoIP (based on the speech transmissions of Internet protocol) and video transmission technologies, the equipment difference of each tame manufacturer becomes very big.Because the ip voice video equipment must come work by means of some services and agreement, the layoutprocedure of every kind of producer's equipment is different with management means, the mechanism and the standard that do not have a kind of general device configuration management, tend to cause equipment because configuration error and can't good management cause the loss of voice and video business, the user also is necessary for System Configuration Manual and the management means that these different equipment of use go to understand each producer.The ip voice video equipment must have a kind of method from bright its application and service of trend net list earlier before realizing this a series of automation and standardized management and maintenance.
Even can obtain the IP address automatically behind the existing ip voice video equipment access network, but its device attribute, the submodule attribute that comprises, the information such as service that provide are all automatically known to the controlled device, cause equipment not to be found, and there is not general agreement to communicate between controller and the ip voice video equipment, pass-along message mutually, thus state and the characteristic of ip voice video equipment in network can't correctly be discerned.
Summary of the invention
Technical problem to be solved by this invention provides a kind of discover method of ip voice video equipment, and ip voice video equipment and the COS of understanding its performance and being provided can be provided in network.
In order to solve above technical problem, the invention provides a kind of discover method of ip voice video equipment, utilize the assembly that on ip voice video equipment and controller, increases the equipment code agreement to carry out communication, comprise the steps:
(1) controller and ip voice video equipment access network obtain network ip address automatically;
(2) the ip voice video equipment comprises at least to network multicast device description message: equipment essential information, equipment identification information, equipment voice and video protocol type, and the effective time of message;
(3) the ip voice video equipment receives the equipment search message of controller to network multicast, comprises at least: the device type of search, the effective time of search, the IP address and the port of response; When satisfying search condition, the ip voice video equipment is to controller clean culture device description message.
The present invention carries out communication owing to increase the assembly of equipment code agreement on ip voice video equipment and controller, can find the equipment that the ip voice Video service can be provided that exists in the network automatically, Control Server also can be searched for the equipment that the ip voice Video service is provided, and finds the ip voice video equipment.Unified sign is carried out in the present invention's type and service to the ip voice video equipment when giving out information, and makes the equipment of finding automatically no longer include the difference of production firm.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is the schematic diagram of ip voice video equipment multicast device describing message of the present invention;
Fig. 2 is the schematic diagram of controller multicast search message of the present invention.
Embodiment
A kind of automatic discovery that The present invention be directed to the ip voice video equipment of each manufacturer's all size and design and Searching I P audio and video apparatus in network, exist with and the method for equipment performance.This method has made full use of the Internet assembly that comprises IP, TCP, UDP, HTTP and XML, utilization increases the equipment code agreement on ip voice video equipment and controller assembly carries out communication, this equipment code agreement is expressed with XML, and transmit by HTTP, in a telescopic network environment, there are available ip voice video equipment and service thereby understand.
The present invention is used to support the automatic discovery of the ip voice video equipment of each different vendor, thereby make the automatic configuration management maintenance in these equipment later stages become possibility, this just means, an ip voice video equipment can dynamically add a network, circulate a notice of the existence and the application of its voice and video service, and existence and the application of understanding other ip voice video equipment by controller.
After controller and ip voice video equipment (as the IP phone machine among Fig. 1 and Fig. 2, ip voice gateway) join network, obtain the IP address at first respectively automatically.
Controller and every ip voice video equipment all must be furnished with DHCP (DHCP) client, and search for Dynamic Host Configuration Protocol server when device first is connected with network.If Dynamic Host Configuration Protocol server can use, promptly network is in controlled state, and then equipment must adopt the IP address of distributing to it.If there is not Dynamic Host Configuration Protocol server to use, promptly network is in not controlled state, and then equipment must utilize AutoIP to obtain an address.In brief, Auto IP has illustrated how an equipment selects an IP address intelligently from one group of reserved address, and how can be in management and easily not move between the network of controlled state.If equipment has obtained a domain name (for example transmitting by a dns server or by DNS) in the DHCP process of exchange, then equipment should adopt this title in network operation afterwards; Otherwise promptly should adopt its IP address.
Behind controller and the ip voice video equipment access network, owing on ip voice video equipment and controller, all increased the assembly of equipment code agreement, thereby can carry out communication, this equipment code agreement is expressed with XML, and transmit by HTTP, the ip voice video equipment at first can a large amount of device description message of multicast be declared the Service Properties of its base attribute, service and built-in embedded device module.
Device description message comprises the equipment essential information at least, equipment identification information, equipment voice and video protocol type, and the effective time of message.Wherein, the equipment essential information comprises: device name, manufacturer's information, operating system version, hardware version, software version, and the sequence number of equipment vendors' sign.Equipment identification information comprises current IP address and port, thereby when equipment sent multiple messages, controller can know clearly that these multicast messages come from same root device.Equipment voice and video protocol type is meant the agreement that this audio and video apparatus is deferred to, for example Session Initiation Protocol, agreement etc. H.323.Each bar device description message must comprise an effective time in addition, surpasses this effective time, and equipment needs the once same message of issue again, so that make controller know that this equipment still exists, perhaps service is still effective.
According to the difference of ip voice video equipment, device description message also comprises the information on services that sub-interface facility information, equipment provides, the pointer that can link details etc. sometimes.
The sub-interface facility information generally includes: sub-interface type, sub-interface model, sub-interface hardware version, sub-interface software version, and the speech communication agreement of sub-interface.Sometimes the information such as operating system version that also contain the type of network interface and network communication protocol, sub-interface.If being be provided on the sub-interface, the Embedded interface that provides voice and video to use also replys the transmission corresponding information.
Information on services that equipment provides such as VoIP soft switch, or IPPBX, service such as voice and video Media Stream forwarding and using also should release each COS.
If the service or the interface that send include the pointer that can link details, need to send and point to a more pointer of details, Control Server can be according to this pointer when needed to the more detailed information of equipment query.Such as, the equipment voice gateways have been issued and have been supported T.38 facsimile protocol among Fig. 1, equipment send to support to have comprised in T.38 the message point to this equipment T.38 agreement more detailed parameter is arranged, parameter has comprised Frame length, the redundant frame number, V.21 input, the jitter buffer etc. and the relevant parameter of T.38 faxing, but not when equipment joins network the particular content of broadcast parameter and just one allow and obtain the controller that gives out information and understand the T.38 agreement of this equipment and have more detailed parameter to obtain, Control Server has only when needed search message of whereabouts equipment clean culture again, and then the situation of the fax services of this voice gateway equipment of understanding that can be more detailed
As Fig. 1 is the schematic diagram of ip voice video equipment multicast device describing message of the present invention, the device description message of ip voice video equipment among the figure (IP phone machine and ip voice gateway) multicast issue oneself, comprise the equipment essential information, equipment identification information, equipment voice and video protocol type, and the effective time of message, wherein the ip voice gateway is also issued some inner sub-interface facility information (hardware interface 1:E1, hardware interface 2:F X O), network interface information, the facsimile protocol support information (T.30 support by fax, T.38 fax is supported), above-mentioned information is all issued by the form of multicast, controller can be monitored the multicast address of standard, obtaining the device description message of ip voice video equipment issue, thereby find the existence and the device characteristics thereof of ip voice video equipment.
The ip voice video equipment can further receive the equipment search message of controller to network multicast, and search message is realized by the multicast mode, being comprised: the device type of search, COS, the effective time of search, the IP address and the port of response.
The ip voice video equipment is monitored this multicast port, when receiving the search message that Control Server sends, if device type of searching and voice and video service and self type matching need the distribution apparatus describing message, respond this search message, but not that multicast sends, but be to send unicast response to IP and port that Control Server provides.
As shown in Figure 2, controller is by the multicast search message, all ip voice video equipment in the search network, this search message comprises the effective time of search, the IP address and the port of response, when IP phone machine and ip voice gateway are received this search message, IP address in search message and port clean culture transmitting apparatus describing message respectively, the content of this device description message is with the substance of device description message shown in Figure 1.
Claims (12)
1, a kind of discover method of ip voice video equipment is characterized in that, utilization increases the equipment code agreement and carries out communication on ip voice video equipment and controller, comprise the steps:
(1) controller and ip voice video equipment access network obtain network ip address automatically;
(2) the ip voice video equipment is to network multicast device description message, and described device description message comprises at least: equipment essential information, equipment identification information, equipment voice and video protocol type, and the effective time of message;
(3) the ip voice video equipment receives the equipment search message of controller to network multicast, and described search message comprises at least: the device type of search, the effective time of search, the IP address and the port of response; When satisfying search condition, described ip voice video equipment is to the described device description message of described controller clean culture.
2, the discover method of ip voice video equipment as claimed in claim 1 is characterized in that, described equipment code agreement is expressed with XML, and transmits by HTTP.
3, the discover method of ip voice video equipment as claimed in claim 1, it is characterized in that the described equipment essential information of step (2) comprises: device name, manufacturer's information, operating system version, hardware version, software version, and the sequence number of equipment vendors' sign.
4, the discover method of ip voice video equipment as claimed in claim 1 is characterized in that, the described equipment identification information of step (2) comprises equipment current IP address and port.
5, the discover method of ip voice video equipment as claimed in claim 1 is characterized in that, the described device description message of step (2) also comprises the sub-interface facility information.
6, the discover method of ip voice video equipment as claimed in claim 5, it is characterized in that described sub-interface facility information comprises: sub-interface type, sub-interface model, sub-interface hardware version, sub-interface software version, and the speech communication agreement of sub-interface.
7, the discover method of ip voice video equipment as claimed in claim 6 is characterized in that, described sub-interface facility information also comprises the type and the network communication protocol of network interface.
8, the discover method of ip voice video equipment as claimed in claim 6 is characterized in that, described sub-interface facility information also comprises the operating system version of sub-interface.
9, the discover method of ip voice video equipment as claimed in claim 6 is characterized in that, described sub-interface facility information also comprises the embedding interface message of sub-interface.
10, the discover method of ip voice video equipment as claimed in claim 1 is characterized in that, the described device description message of step (2) also comprises the information on services that equipment provides.
11, the discover method of ip voice video equipment as claimed in claim 1 is characterized in that, the described device description message of step (2) also comprises the pointer that can link details.
12, the discover method of ip voice video equipment as claimed in claim 1 is characterized in that, the described search message of step (3) also comprises COS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100940712A CN101383952A (en) | 2007-09-06 | 2007-09-06 | Discovery method for IP audio and video apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100940712A CN101383952A (en) | 2007-09-06 | 2007-09-06 | Discovery method for IP audio and video apparatus |
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| Publication Number | Publication Date |
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| CN101383952A true CN101383952A (en) | 2009-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100940712A Pending CN101383952A (en) | 2007-09-06 | 2007-09-06 | Discovery method for IP audio and video apparatus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103986631A (en) * | 2014-05-26 | 2014-08-13 | 小米科技有限责任公司 | Method and device for discovering local area network equipment |
| CN105472430A (en) * | 2015-11-20 | 2016-04-06 | 青岛海信电器股份有限公司 | Method of making mobile terminal ring through intelligent television, equipment and system thereof |
| CN105657040A (en) * | 2016-02-17 | 2016-06-08 | 深圳市贝美互动科技有限公司 | Inter-device intranet communication method and system |
-
2007
- 2007-09-06 CN CNA2007100940712A patent/CN101383952A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103986631A (en) * | 2014-05-26 | 2014-08-13 | 小米科技有限责任公司 | Method and device for discovering local area network equipment |
| CN103986631B (en) * | 2014-05-26 | 2016-03-30 | 小米科技有限责任公司 | Lan device discover method and device |
| CN105472430A (en) * | 2015-11-20 | 2016-04-06 | 青岛海信电器股份有限公司 | Method of making mobile terminal ring through intelligent television, equipment and system thereof |
| CN105472430B (en) * | 2015-11-20 | 2019-06-14 | 青岛海信电器股份有限公司 | Method, equipment and the system of mobile terminal jingle bell are controlled by smart television |
| CN105657040A (en) * | 2016-02-17 | 2016-06-08 | 深圳市贝美互动科技有限公司 | Inter-device intranet communication method and system |
| CN105657040B (en) * | 2016-02-17 | 2019-12-06 | 深圳酷旗互联网有限公司 | intranet communication method and system between devices |
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Open date: 20090311 |