CN104702602A - System and method of realizing dynamically creating channel and expansion of gateway cluster based on SIP (System in Package) - Google Patents
System and method of realizing dynamically creating channel and expansion of gateway cluster based on SIP (System in Package) Download PDFInfo
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- CN104702602A CN104702602A CN201510095630.6A CN201510095630A CN104702602A CN 104702602 A CN104702602 A CN 104702602A CN 201510095630 A CN201510095630 A CN 201510095630A CN 104702602 A CN104702602 A CN 104702602A
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Abstract
The invention discloses a system and a method of realizing dynamically creating a channel and expansion of a gateway cluster based on an SIP (System in Package). The method comprises the processes that the management end of the gateway cluster is connected with an SIP server in a login way, and then the management end of the gateway cluster and a dispatch terminal are conducted for data interaction through an SIP protocol by virtue of the SIP server, so as to realize the process of realizing dynamically creating the channel and expansion of the gateway cluster. Therefore, the problems that the cluster gateway cannot realize dynamically creating the channel, the expansion and the like can be solved when an existing cluster gateway needs to statically configure a number corresponding to the channel when the channel is created; furthermore, compared with an existing cluster gateway, the method provided by the invention is high in flexibility, the troubles caused by additionally creating a management or data communication channel for the cluster gateway can be prevented, and a very strong practical value can be realized.
Description
Technical field
The present invention relates to a kind of system and method realizing cluster gateway dynamic creation passage and dilatation based on SIP, belong to communication and calculate field.
Background technology
At present, cluster intercom system can comprise the equipment of multiple different manufacturers, different frequent points/channel and different systems usually, separate between these equipment, cannot intercommunication.The civilian wire communication that cluster intercom system and current operator provide and radio communication also exist very large technological disparity, also cannot intercommunication.In order to address these problems, realize intercommunication by cluster gateway.
Cluster gateway is docked with IP network at group system, can realize interconnecting between dissimilar intercom system, and the interconnecting of cluster intercom system and other communication terminals.By cluster gateway, the dispatch terminal of application system can realize the United Dispatching to various dissimilar communication terminal.But current cluster gateway is generally all worked by the mode of static configuration channel parameters or route, be independent of each other between cluster gateway, therefore cannot play the advantage of interlock communication.And the present invention can solve problem above well.
Summary of the invention
The object of the invention there are provided a kind of system and method realizing cluster gateway dynamic creation passage and dilatation based on SIP, the method is, by Session Initiation Protocol, cluster gateway is dynamically formed gateway group, the communication between gateway is coordinated by the dispatch terminal of application system, solve the problem that single gateway dynamic creates passage and multiple gateway associating dilatation, realize voice or the intercommunication in heterogeneous network of other multimedia messagess.
The present invention solves the technical scheme that its technical problem takes: the present invention enables the mutual configuration parameter of cluster gateway and dispatch terminal by Session Initiation Protocol, and cluster gateway can solve dynamic creation passage easily by these configuration parameters, the problem such as isolated from one another between dilatation and cluster gateway.
SIP (that is: session initiation protocol) can be used for the session creating, revise and discharge one or more participant, is a kind of signaling control protocol of application layer.SIP only defines should how managing conversation, and it does not define the type of the session that will set up, and has very large flexibility.Text based sip message, is easy to read and debugging, programmes simpler.The one large advantage of SIP expands to be easy to definition, and can add in new application, and can not change network, so in a network, old SIP equipment can not hinder new SIP services.SIP, independent of transport layer, uses User Datagram Protoco (UDP) (UDP) and transmission control protocol (TCP), supports many functions of the equipments to adjust and consults, user flexibility can be coupled together.SIP has flexibly, easily extensible and the characteristic such as open.These characteristics more and more based on the service of SIP in obtain immense success, various function just constantly uses SIP to realize.
Present invention utilizes Session Initiation Protocol, neatly the dispatch terminal of cluster gateway and application system is coupled together.The present invention includes cluster gateway management end and log in the process connecting sip server, and by sip server, carry out data interaction with dispatch terminal by Session Initiation Protocol.On the dispatch terminal of cluster gateway management end and application system, respectively realize a SIP client according to Session Initiation Protocol, the dispatch terminal of cluster gateway management end and application system can be dissolved in SIP network.After the SIP client Successful login sip server of the dispatch terminal of cluster gateway management end and application system, just can carry out SIP session between them, the data interaction form between them is SDP.
Owing to being have employed Session Initiation Protocol to carry out interconnected, not only single cluster gateway can dynamic creation passage, and the access of cluster gateway or remove and also become relatively simple.Which solve the passage dilatation problem of cluster gateway.In addition, also because be the reason based on Session Initiation Protocol, to make between cluster gateway interconnected becomes possibility.
Method flow:
Step 1: each gateway management end needs distribution SIP number, by this SIP number, gateway management end can be logged in by Session Initiation Protocol and be connected on sip server.
Step 2: each dispatch terminal also needs distribution SIP number, is logged in by Session Initiation Protocol and is connected on sip server.
Step 3: when needs are on gateway during dynamic creation passage, dispatch terminal by SIP number corresponding to Session Initiation Protocol called gateways management end, SIP number then immediate answer after the calling of receiving dispatch terminal that gateway management end is corresponding.
Step 4: after the SIP number response that gateway management end is corresponding, the SIP number that the parameters such as the channel number that dispatch terminal can create and the SIP number corresponding to it send to gateway management end corresponding in the mode of SDP form.
Step 5: SIP number corresponding to gateway management end is after receiving the SDP data that dispatch terminal sends, and detect the SIP number corresponding to channel number and its that will create, the parameter format wherein in SDP needs to consult definition in advance.
Step 6: when the channel number created required by dispatch terminal is idle, then gateway initiates to log in connection to sip server with the SIP number corresponding to this passage; If SIP number corresponding to this passage logs in successful connection, then its and passage binds, then send the successful SDP data of establishment passage and inform dispatch terminal, dispatch terminal receives on-hook after the successful SDP data of gateway establishment passage; If SIP number corresponding to this passage logs in connection failure, then send the SDP data creating passage failure and inform dispatch terminal, dispatch terminal receives after gateway creates the SDP data of passage failure can perform above-mentioned steps 4 after on-hook or change parameter again.
Step 7: the channel number busy created required by the dispatch terminal, then the SDP data that sendaisle is busy inform dispatch terminal, can perform above-mentioned steps 4 again after dispatch terminal receives after on-hook or change parameter.
Step 8: when all passages all busy of gateway, then the SDP data that sendaisle all hurries inform dispatch terminal, on-hook after dispatch terminal receives, and then dispatch terminal checks whether that other gateways SIP number exists in addition; If also have him to exist by gateway SIP number, then perform above-mentioned steps 3 again, the capacity of gateway group can be expanded so easily.
Step 9: when needing certain passage discharging gateway, the SIP number that the channel number that dispatch terminal will discharge sends to gateway management end corresponding in the mode of SDP data, SIP number reception corresponding to gateway management end to after can discharge, then the SDP data of sendaisle release result inform dispatch terminal, on-hook after dispatch terminal receives.
Present invention also offers a kind of cluster gateway system possessing dynamic creation passage and dilatation function, this system comprises: dispatch terminal module, cluster gateway management end module and cluster gateway communication module.
Dispatch terminal module of the present invention is associated with cluster gateway management end module through sip server by Session Initiation Protocol, and cluster gateway management end module then controls cluster gateway communication module.
The function of dispatch terminal module is that the instruction of terminal is become Session Initiation Protocol by predefined protocol encapsulation, carries out alternately, completing the demand of terminal through sip server and cluster gateway management end module.
The function of cluster gateway management end module receives and the instruction of sending of resolution scheduling terminal module, controls the operating state of cluster gateway communication end module, and the result that instruction performs is returned to terminal scheduling module.
The function of cluster gateway communication module is under the control of cluster gateway management end module, dynamic establishment trunking communication passage and SIP communication port, and both are carried out bridge joint, completes communication function.
Beneficial effect:
1, the present invention enables voice or other multimedia messagess realize intercommunication well in heterogeneous network.
2, the present invention improves flexibility and the applicability of cluster gateway effectively, is applied to any equipment based on Session Initiation Protocol and system.
Accompanying drawing explanation
Fig. 1 is system architecture diagram of the present invention.
Fig. 2 is method flow diagram of the present invention.
Embodiment
Below in conjunction with Figure of description, the invention is described in further detail.
As Fig. 1, the invention provides a kind of cluster gateway system possessing dynamic creation passage and dilatation function, this system comprises: dispatch terminal module, cluster gateway management end module and cluster gateway communication module.
Dispatch terminal module of the present invention is associated with cluster gateway management end module through sip server by Session Initiation Protocol, and cluster gateway management end module then controls cluster gateway communication module.
The function of dispatch terminal module is that the instruction of terminal is become Session Initiation Protocol by predefined protocol encapsulation, carries out alternately, completing the demand of terminal through sip server and cluster gateway management end module.
The function of cluster gateway management end module receives and the instruction of sending of resolution scheduling terminal module, controls the operating state of cluster gateway communication end module, and the result that instruction performs is returned to terminal scheduling module.
The function of cluster gateway communication module is under the control of cluster gateway management end module, dynamic establishment trunking communication passage and SIP communication port, and both are carried out bridge joint, completes communication function.
As shown in Figure 2, present invention also offers a kind of system and method realizing cluster gateway dynamic creation passage and dilatation based on SIP, the method concrete steps comprise as follows:
Step 1: each gateway management end needs distribution SIP number, by this SIP number, gateway management end can be logged in by Session Initiation Protocol and be connected on sip server.
The each dispatch terminal of step 2 also needs distribution SIP number, is logged in be connected on sip server by Session Initiation Protocol.
Step 3: when needs are on gateway during dynamic creation passage, dispatch terminal by SIP number corresponding to Session Initiation Protocol called gateways management end, SIP number then immediate answer after the calling of receiving dispatch terminal that gateway management end is corresponding.
Step 4: after the SIP number response that gateway management end is corresponding, the SIP number that the parameters such as the channel number that dispatch terminal can create and the SIP number corresponding to it send to gateway management end corresponding in the mode of SDP form.
Step 5: SIP number corresponding to gateway management end is after receiving the SDP data that dispatch terminal sends, and detect the SIP number corresponding to channel number and its that will create, the parameter format wherein in SDP needs to consult definition in advance.
Step 6: when the channel number created required by dispatch terminal is idle, then gateway initiates to log in connection to sip server with the SIP number corresponding to this passage; If SIP number corresponding to this passage logs in successful connection, then its and passage binds, then send the successful SDP data of establishment passage and inform dispatch terminal, dispatch terminal receives on-hook after the successful SDP data of gateway establishment passage; If SIP number corresponding to this passage logs in connection failure, then send the SDP data creating passage failure and inform dispatch terminal, dispatch terminal receives after gateway creates the SDP data of passage failure and can perform (4) after on-hook or change parameter again.
Step 7: the channel number busy created required by the dispatch terminal, then the SDP data that sendaisle is busy inform dispatch terminal, can perform (4) after dispatch terminal receives after on-hook or change parameter again.
Step 8: when all passages all busy of gateway, then the SDP data that sendaisle all hurries inform dispatch terminal, on-hook after dispatch terminal receives, and then dispatch terminal checks whether that other gateways SIP number exists in addition; If also have him to exist by gateway SIP number, then perform again (3), the capacity of gateway group can be expanded so easily.
Step 9: when needing certain passage discharging gateway, the SIP number that the channel number that dispatch terminal will discharge sends to gateway management end corresponding in the mode of SDP data, SIP number reception corresponding to gateway management end to after can discharge, then the SDP data of sendaisle release result inform dispatch terminal, on-hook after dispatch terminal receives.
Claims (4)
1. realize an implementation method for cluster gateway dynamic creation passage and dilatation based on SIP, it is characterized in that, described method comprises the steps:
Step 1: each gateway management end needs distribution SIP number, by this SIP number, gateway management end is logged in by Session Initiation Protocol and is connected on sip server;
Step 2: each dispatch terminal also needs distribution SIP number, is logged in by Session Initiation Protocol and is connected on sip server;
Step 3: when needs are on gateway during dynamic creation passage, dispatch terminal by SIP number corresponding to Session Initiation Protocol called gateways management end, SIP number then immediate answer after the calling of receiving dispatch terminal that gateway management end is corresponding;
Step 4: after the SIP number response that gateway management end is corresponding, the SIP number that the parameters such as the channel number that dispatch terminal will create and the SIP number corresponding to it send to gateway management end corresponding in the mode of SDP form;
Step 5: SIP number corresponding to gateway management end is after receiving the SDP data that dispatch terminal sends, and detect the SIP number corresponding to channel number and its that will create, the parameter format wherein in SDP needs to consult definition in advance;
Step 6: when the channel number created required by dispatch terminal is idle, then gateway initiates to log in connection to sip server with the SIP number corresponding to this passage; If SIP number corresponding to this passage logs in successful connection, then its and passage binds, then send the successful SDP data of establishment passage and inform dispatch terminal, dispatch terminal receives on-hook after the successful SDP data of gateway establishment passage; If SIP number corresponding to this passage logs in connection failure, then send the SDP data creating passage failure and inform dispatch terminal, dispatch terminal receives after gateway creates the SDP data of passage failure can perform above-mentioned steps 4 after on-hook or change parameter again;
Step 7: the channel number busy created required by the dispatch terminal, then the SDP data that sendaisle is busy inform dispatch terminal, can perform above-mentioned steps 4 again after dispatch terminal receives after on-hook or change parameter;
Step 8: when all passages all busy of gateway, then the SDP data that sendaisle all hurries inform dispatch terminal, on-hook after dispatch terminal receives, and then dispatch terminal checks whether that other gateways SIP number exists in addition; If also have him to exist by gateway SIP number, then perform above-mentioned steps 3 again, expanded the capacity of gateway group;
Step 9: when needing certain passage discharging gateway, the SIP number that the channel number that dispatch terminal will discharge sends to gateway management end corresponding in the mode of SDP data, SIP number reception corresponding to gateway management end to after can discharge, then the SDP data of sendaisle release result inform dispatch terminal, on-hook after dispatch terminal receives.
2. a kind of implementation method realizing cluster gateway dynamic creation passage and dilatation based on SIP according to claim 1, it is characterized in that, described method is, by Session Initiation Protocol, cluster gateway is dynamically formed gateway group, coordinates the communication between gateway by the dispatch terminal of application system.
3. a kind of implementation method realizing cluster gateway dynamic creation passage and dilatation based on SIP according to claim 1, it is characterized in that, described method is applied to any equipment based on Session Initiation Protocol.
4. realize a system for cluster gateway dynamic creation passage and dilatation based on SIP, it is characterized in that, described system comprises: dispatch terminal module, cluster gateway management end module and cluster gateway communication module; Described dispatch terminal module is associated with cluster gateway management end module through sip server by Session Initiation Protocol, and cluster gateway management end module then controls cluster gateway communication module;
The function of dispatch terminal module is that the instruction of terminal is become Session Initiation Protocol by predefined protocol encapsulation, carries out alternately, completing the demand of terminal through sip server and cluster gateway management end module;
The function of cluster gateway management end module receives and the instruction of sending of resolution scheduling terminal module, controls the operating state of cluster gateway communication end module, and the result that instruction performs is returned to terminal scheduling module; The function of cluster gateway communication module is under the control of cluster gateway management end module, dynamic establishment trunking communication passage and SIP communication port, and both are carried out bridge joint, completes communication function.
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