CN107172595A - Service implementation method, system and device in broadband cluster system during terminal roaming - Google Patents
Service implementation method, system and device in broadband cluster system during terminal roaming Download PDFInfo
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- CN107172595A CN107172595A CN201610129985.7A CN201610129985A CN107172595A CN 107172595 A CN107172595 A CN 107172595A CN 201610129985 A CN201610129985 A CN 201610129985A CN 107172595 A CN107172595 A CN 107172595A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/06—Registration at serving network Location Register, VLR or user mobility server
- H04W8/065—Registration at serving network Location Register, VLR or user mobility server involving selection of the user mobility server
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
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Abstract
This application provides the service implementation method in broadband cluster system during terminal roaming, system and device.In the present invention, even if terminal roaming, then by controlling to manage the TCF network elements of terminal traffic to the group main control server transmission registration request of the affiliated group of terminal, the group main control server of the affiliated group of terminal can be made dynamically to know that the current TCF network elements by which core net provide group-calling service for the terminal of the roaming, this can be well adapted for the application scenarios of terminal roaming, it ensure that a group main control server dynamic, know in time and currently provide the TCF network elements of group-calling service for the terminal of the roaming, avoid group main control server and currently the TCF network elements of group-calling service are provided need the extremely inefficient operation such as interface polls between network element for the terminal of the roaming to know.
Description
Technical field
The application is related to trunking communicating technology, the more particularly to industry in broadband cluster system during terminal roaming
Pragmatic existing method, system and device.
Background technology
Trunked communication system is developed to meet the demand of industry user's command scheduling, towards specific industry
The private wireless communication system of application.Trunked communication system in a government office, public safety, emergency communication,
The fields such as electric power, civil aviaton, petrochemical industry and army have a wide range of applications market.
In trunked communication system, with wideband multimedia cluster service demand, wideband multimedia cluster system
System arises at the historic moment.TD-LTE broadband cluster system be using forth generation mobile communication technology TD-LTE as
Core technology, by the resource-sharing in TD-LTE high-speed, big bandwidth and Digital Trunking Technologies, soon
What the features such as fast call setup, command scheduling was merged integrates voice, data, new the one of video
For broadband multimedia cluster system.
But, when existing TD-LTE broadbands cluster standard does not define terminal roaming intactly still how
Realize the specific handling process of business.In other words, in TD-LTE broadband cluster systems, when in group
Terminal when roaming, the clustered control functional module (TCF of business service is provided for terminal：
Trunking Control Function) module will change, still, current TD-LTE broadbands collection
Appointed group main control server is not provided in group in group's standard how according to the current of terminal roaming
Present position, is dynamically determined the TCF that service is provided for the terminal, in this way, when terminal initiates group-calling service
When, the TCF of service can be provided and cause group-calling service can not run-up soon because the terminal can not be defined as
It is vertical.
The content of the invention
This application provides the service implementation method in broadband cluster system during terminal roaming, system and device.
To realize the group-calling service of terminal in terminal roaming
The technical scheme that the application is provided includes：
A kind of service implementation method in broadband cluster system during terminal roaming, including：
After endpoint registration to its roaming institute visit domain core net extremely, the collection team control visited in domain core net
If the business of the functional module TCF network elements processed control management terminal, by with group belonging to the terminal
Tc2-C interfaces open represent the terminal to described group of main control server between the group main control server of group
Registration request is sent, the information for providing group-calling service by this TCF network elements by the terminal is notified to described group
Main control server；
Described group of main control server receives the registration request, and returns to register response to the TCF network elements；
Described group of main control server when the terminal initiates group-calling service, group is exhaled set up request be sent to it is described
TCF network elements are so that TCF network elements set up group exhales.
A kind of service implementation method in broadband cluster system during terminal roaming, this method includes：
Terminal roaming is to visiting after domain core net, if terminal roaming ownership residing to before visiting domain core net
Clustered control functional module TCF network element controls in domain core net manage the business of the terminal, then described
TCF network elements the endpoint registration to it is described visit domain core net after, by with the affiliated group of the terminal
Open Tc2-C interfaces represent the terminal and sent to described group of main control server between group main control server
Registration request, TCF network element of the terminal in the visit domain core net is provided the letter of group-calling service
Breath is notified to described group of main control server；
Described group of main control server receives the registration request, and the TCF nets into the ownership domain core net
Member returns to register response；
Described group of main control server is when the terminal initiates group-calling service, and transmission group exhales foundation request to be visitd to described
The TCF network elements visited in domain core net are so that the TCF network elements in the visit domain core net are set up group and exhaled.
A kind of business realizing system in broadband cluster system during terminal roaming, at least includes：Terminal, terminal institute
Belong to group group main control server, terminal roaming institute extremely visit domain core net in clustered control functional module
TCF network elements；
Wherein, the TCF network elements, the business for controlling the management terminal, in the endpoint registration extremely
Its roam after visit domain core net extremely, between the group main control server by the affiliated group of the terminal
Open Tc2-C interfaces represent the terminal and send registration request to described group of main control server, by institute
Terminal is stated to be notified to described group of main control server by the information of this TCF network elements offer group-calling service；
Described group of main control server, is registered for receiving the registration request, and being returned to the TCF network elements
Response；And,
When the terminal initiates group-calling service, transmission group exhales foundation request to the TCF network elements so that TCF
Network element is set up group and exhaled.
A kind of business realizing system in broadband cluster system during terminal roaming, at least includes：Terminal, terminal institute
Belong to group main control server, the first clustered control functional module TCF network elements, the 2nd TCF network elements of group；
The first TCF network elements, the TCF network elements before being terminal roaming in residing ownership domain core net,
The business of the control management terminal, for the endpoint registration to its roaming visit domain core net extremely
Afterwards, the terminal is represented to described group by Tc2-C interfaces open between described group of main control server
Main control server sends registration request, and the terminal is provided to the information of group-calling service by the 2nd TCF network elements
Notify to described group of main control server；
TCF network elements in 2nd TCF network elements, the visit domain core net of terminal roaming extremely；
Group main control server, register response is returned for receiving the registration request, and to the first TCF network elements；
And, when the terminal initiates group-calling service, transmission group exhales foundation request to the 2nd TCF network elements so that the
Two TCF network elements are set up group and exhaled.
A kind of business realizing device in broadband cluster system during terminal roaming, including：
Service Management Unit, the business for controlling management terminal；
Registration unit, affiliated core net for terminal roaming visit domain core net extremely when, when endpoint registration extremely
Visit after domain core net, pass through Tc2-C open between the group main control server of the affiliated group of the terminal
Interface represents the terminal and sends registration request to described group of main control server, by the terminal by this TCF
Network element provide group-calling service information notify to described group of main control server, and,
The register response that reception group main control server is returned；And,
The group that reception group main control server is sent when terminal initiates group-calling service exhales foundation request to be exhaled to set up group；
Or,
When affiliated core net is terminal roaming ownership domain core net residing to before visiting domain core net, work as end
End is roamed to after visit domain core net, has been opened between the group main control server by the affiliated group of the terminal
The Tc2-C interfaces put represent the terminal and send registration request to described group of main control server, by the end
The information for holding the TCF network elements in the visit domain core net to provide group-calling service notifies to take to described group of master control
Business device, so that described group of main control server is when the terminal initiates group-calling service, transmission group exhales foundation to ask
To the TCF network elements in the visit domain core net so that the TCF network elements in the visit domain core net set up group
Exhale；And,
The register response that reception group main control server is returned.
As can be seen from the above technical solutions, in the present invention, even if terminal roaming, then by above-mentioned registration request,
Which the group main control server of the affiliated group of terminal can be made dynamically to know be by the TCF network elements of core net currently
The terminal of the roaming provides group-calling service, and this can be well adapted for the application scenarios of terminal roaming, it is ensured that group
Main control server dynamic, know currently provide the TCF network elements of group-calling service for the terminal of the roaming in time,
Avoid group main control server and currently provide the TCF network element needs of group-calling service for the terminal of the roaming to know
The extremely inefficient operation such as interface polls between network element.
Brief description of the drawings
Fig. 1 supports the network architecture diagram of terminal roaming for multi-core network interconnection in the present invention；
Fig. 2 is Tc2-C protocol stack of the interface schematic diagrames in the present invention；
Fig. 3 is the registering flow path figure that the embodiment of the present invention 1 is provided；
Fig. 4 removes registering flow path figure for what the embodiment of the present invention 1 was provided；
Fig. 5 is the registering flow path figure that the embodiment of the present invention 2 is provided；
Fig. 6 removes registering flow path figure for what the embodiment of the present invention 2 was provided；
Fig. 7 is system structure diagram provided in an embodiment of the present invention；
Fig. 8 is another system structure diagram provided in an embodiment of the present invention；
Fig. 9 is structure drawing of device provided in an embodiment of the present invention.
Embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with the accompanying drawings and specifically
The present invention will be described in detail for embodiment.
First, to be readily appreciated that the present invention, Fig. 1 shows and interconnected applied to multi-core network in the present invention
Support the network architecture of terminal roaming：
In Fig. 1, with virtual PLMN (VPLMN：Virtual Public Land
Mobile Network) for terminal (UE) roam core net extremely, referred to as visit domain core net；And
Home public land mobile network network (HPLMN：Home Public Land Mobile Network) it is UE
Core net before VPLMN is roamed to, referred to as belongs to domain core net.
Business when in Fig. 1, for support visit domain core net and the interconnection of ownership domain core net and terminal roaming
Realize the interface, it is necessary between open visit domain core net and ownership domain core net.Only emphasis is described below
With lower interface：
S10 interfaces：The eMME nets visited in the eMME network elements in domain core net and ownership domain core net
Interface between member, transmits call context parameter during for switching.
S6a interfaces：Visit the eHSS network elements in domain core net and the eMME nets in ownership domain core net
There is provided the function that subscription data is transmitted for interface between member.
Tc2-C interfaces：The TCF network elements visited in the TCF network elements in domain core net and ownership domain core net
Between interface, during internetwork roaming intercommunication for providing core net, carry out call business signaling.Tc2-C
Protocol stack of the interface uses session initiation protocol (SIP：Session Initiation Protocol), Fig. 2 shows
Tc2-C protocol stacks of the interface are gone out.
Tc2-U interfaces：The TMF nets visited in the TMF network elements in domain core net and ownership domain core net
When the interface between member, internetwork roaming intercommunication for providing core net, carry out data transmission function.
Tc1-b interfaces：The TCF nets visited in the eHSS network elements in domain core net and ownership domain core net
Interface between member, it is real for providing in the case of visit domain core net with home domain core net interconnecting
Existing TCF address acquisitions and subscription data transfer function.
S8 interfaces：The XGW network elements visited in the XGW network elements in domain core net and ownership domain core net
Between interface, namely visit domain core net in S-GW and ownership domain core net in P-GW between
Interface, transmit data during for switching and roam.
Based on the network architecture shown in Fig. 1, the method provided below by two embodiments the present invention is entered
Row description：
Embodiment 1：
Referring to Fig. 3, Fig. 3 is the registering flow path figure of the embodiment of the present invention 1.As shown in figure 3, the flow
It may include following steps：
Step 301, endpoint registration is to visiting after domain core net, and the TCF network elements in visit domain core net are such as
The business of the fruit control management terminal, then by between the group main control server of the affiliated group of terminal
Open Tc2-C interfaces GC group connector sends registration request to group main control server, by terminal by this
The information that TCF network elements provide group-calling service is notified to a group main control server.
In the application, the core net of control management terminal traffic can be pre-set, and it can be terminal in roaming
Ownership domain core net before, or the visit domain core net after terminal roaming, wherein, when for terminal
Ownership domain core net before roaming, then mean terminal in the ownership domain core net before roaming
TCF network elements are used for the business for controlling management terminal；Visit domain core net after for terminal roaming, then anticipate
The TCF network elements that taste in the visit domain core net after terminal roaming are used for the business for controlling management terminal.This
Embodiment 1 also implies that end exemplified by controlling to manage the core net of terminal traffic for visit domain core net
The business of the TCF network element control management terminals in visit domain core net after the roaming of end.
As one embodiment of the present of invention, registration request here is carried except carried terminal by TCF network elements
Outside the information of group-calling service, still further comprise but be not limited to following information：The affiliated group's letter of terminal
Breath, visit domain core net information, endpoint registration, terminal's status information；Terminal's status information is at least wrapped
Include：Distant dizzy state, distant state of getting killed, resurrection state.
By step 301, even if then terminal roaming, then by above-mentioned registration request, terminal institute can be made
The group main control server of category group dynamically knows that the current TCF network elements by which core net are the roaming
Terminal provides group-calling service, and this can be well adapted for the application scenarios of terminal roaming, it is ensured that group master control clothes
Business device dynamic, know currently provide the TCF network elements of group-calling service for the terminal of the roaming in time, keep away
Exempt from group main control server and currently provide the TCF network elements need of group-calling service for the terminal of the roaming to know
Want the extremely inefficient operation such as interface polls between network element.
Further, in the present invention, above-mentioned registration request transmission process occurs to roam to it in endpoint registration
During visiting domain core net, this enables to terminal user to completing time of the registration request transmission process
Expense is insensitive.
Step 302, group main control server receives registration request, and returns to register response to TCF network elements.
Step 303, group is exhaled foundation request to send by group main control server when terminal initiates group-calling service
To TCF network elements so that TCF network elements set up group exhales.
It is as described above, the also further carried terminal status information of registration request；Terminal's status information at least includes：
Distant dizzy state, distant state of getting killed, resurrection state；Based on this, in this step 303, group main control server is being incited somebody to action
Group, which is exhaled, to be set up request and is sent to before the TCF network elements, can be further comprised：Detect the shape of the terminal received
State information, if distant dizzy state or distant state of getting killed, then forbid transmission group exhale foundation ask, conversely, then after
It is continuous perform to exhale group set up request and be sent to the TCF network elements so that TCF network elements set up the step of group is exhaled.
Because by step 301, group main control server is known currently to be provided group and exhales industry for the terminal of the roaming
The TCF network elements of business, in this way, when terminal initiate group-calling service, group main control server can directly to ought
The TCF network element initiation groups that the preceding terminal for the roaming provides group-calling service exhale foundation to ask, it is to avoid group
Main control server currently provides the TCF network elements increase of group-calling service additionally to know for the terminal of the roaming
Network element query process so that shortening group exhales setup delay, make group-calling service between multi-core network can be with
It is quick to set up, improve cluster user experience.
So far, the flow shown in Fig. 3 is completed.
It should be noted that in the present embodiment 1, can when terminal no longer needs to carry out group service
By going enrollment process control terminal no longer to carry out group service, flow shown in Fig. 4 for details, reference can be made to.
Referring to Fig. 4, Fig. 4 removes registering flow path figure for what the embodiment of the present invention 1 was provided.As shown in figure 4,
The flow may include following steps：
Step 401, when terminal no longer carries out group service, terminal roaming visit domain core net extremely
Interior TCF network elements pass through Tc2-C interfaces open between the group main control server of the affiliated group of terminal
Sent to group main control server and go registration request, terminal is no longer carried out group service information notify to
Described group of main control server.
Step 402, group main control server receive described in go registration request, and to terminal roaming visiing extremely
The TCF network elements visited in domain core net return to register response.
Terminal roaming TCF network elements in visit domain core net extremely receive after register response, can
Group service is no longer carried out according to actual conditions control terminal.
So far, the flow shown in Fig. 4 is completed.
Embodiment 1 is described above.
Embodiment 2：
Referring to Fig. 5, Fig. 5 is the registering flow path figure of the embodiment of the present invention 2.As shown in figure 5, the flow
It may include following steps：
Step 501, terminal roaming is to visiting after domain core net, if terminal roaming is to visiting domain core net
TCF network element controls in before residing ownership domain core net manage the business of the terminal, then belong to
TCF network elements in domain core net in endpoint registration to after visiting domain core net, by with group belonging to terminal
Tc2-C interfaces GC group connector open sends to group main control server and stepped between the group main control server of group
Note request, the information for providing group-calling service by TCF network element of the terminal in visit domain core net is notified
To a group main control server.
As described in step 301, as one embodiment of the present of invention, registration request here is except taking
Outside the information that tape terminal provides group-calling service by TCF network elements, still further comprise but be not limited to following letter
Breath：The affiliated group information of terminal, visit domain core net information, endpoint registration, terminal's status information；Eventually
End status information at least includes：Distant dizzy state, distant state of getting killed, resurrection state.
In the present embodiment 2, exemplified by controlling to manage the core net of terminal traffic for ownership domain core net,
Mean that the business of the TCF network element control management terminals in ownership domain core net.
As one embodiment of the present of invention, in step 501, when endpoint registration is to visiting domain core net
Afterwards, the TCF network elements in visit domain core net can be notified to the TCF network elements in ownership domain core net, with
The TCF network elements in ownership domain core net are made to know terminal roaming to visiting domain core net and current visit
TCF network elements in domain core net provide group-calling service for the terminal of the roaming.
By step 501, even if then terminal roaming, then by above-mentioned registration request, terminal institute can be made
The group main control server of category group dynamically knows that the current TCF network elements by which core net are the roaming
Terminal provides group-calling service, and this can be well adapted for the application scenarios of terminal roaming, it is ensured that group master control clothes
Business device dynamic, know currently provide the TCF network elements of group-calling service for the terminal of the roaming in time, keep away
Exempt from group main control server and currently provide the TCF network elements need of group-calling service for the terminal of the roaming to know
Want the extremely inefficient operation such as interface polls between network element.
Further, in the present invention, above-mentioned registration request transmission process occurs to roam to it in endpoint registration
During visiting domain core net, this enables to terminal user to completing time of the registration request transmission process
Expense is insensitive.
Step 502, group main control server receives the registration request, and to the ownership before terminal roaming
TCF network elements in domain core net return to register response.
Step 503, group is exhaled foundation request to send by group main control server when terminal initiates group-calling service
To terminal roaming TCF network elements in visit domain core net extremely so that the TCF network elements are set up group and exhaled.
It is as described above, the also further carried terminal status information of registration request；Terminal's status information at least includes：
Distant dizzy state, distant state of getting killed, resurrection state；Based on this, in this step 503, group main control server is being incited somebody to action
Group exhale set up request be sent to terminal roaming institute extremely visit domain core net in TCF network elements before, one can be entered
Step includes：The status information of the terminal received is detected, if distant dizzy state or distant state of getting killed, then forbids hair
Send group to exhale foundation to ask, conversely, then continue executing with group is exhaled set up request be sent to terminal roaming visiing extremely
The step of visiting the TCF network elements in domain core net.
Because by step 501, group main control server is known currently to be provided group and exhales industry for the terminal of the roaming
The TCF network elements of business, in this way, when terminal initiate group-calling service, group main control server can directly to ought
The TCF network element initiation groups that the preceding terminal for the roaming provides group-calling service exhale foundation to ask, it is to avoid group
Main control server currently provides the TCF network elements increase of group-calling service additionally to know for the terminal of the roaming
Network element query process so that shortening group exhales setup delay, make group-calling service between multi-core network can be with
It is quick to set up, improve cluster user experience.
So far, the flow shown in Fig. 5 is completed.
It should be noted that in the present embodiment 2, can when terminal no longer needs to carry out group service
By going enrollment process control terminal no longer to carry out group service, flow shown in Fig. 6 for details, reference can be made to.
Referring to Fig. 6, Fig. 6 removes registering flow path figure for what the embodiment of the present invention 2 was provided.As shown in fig. 6,
The flow may include following steps：
Step 601, when terminal no longer carries out group service, the ownership domain core net before terminal roaming
Interior TCF network elements pass through Tc2-C interfaces open between the group main control server of the affiliated group of terminal
Sent to group main control server and go registration request, terminal is no longer carried out group service information notify to
Described group of main control server.
As one embodiment of the present of invention, when terminal no longer carries out group service, terminal can be by no longer
Carry out group service notify roaming to its institute extremely visit domain core net in TCF network elements, the visit domain
The notice that TCF network elements in core net again no longer carry out the terminal group service is sent to terminal roaming
Before ownership domain core net in TCF network elements, so as to the TCF network elements in the ownership domain core net after
It is continuous to perform above-mentioned steps 601.
Step 602, group main control server receive described in go registration request, and to returning before terminal roaming
TCF network elements in category domain core net return to register response.
When group main control server receives registration request, it can notify to provide the visit of group-calling service for terminal
The group that TCF network elements in domain core net are set up before cancelling is exhaled, and terminal no longer carries out cluster industry afterwards
Business.
So far, the flow shown in Fig. 6 is completed.
Embodiment 2 is described above.
It should be noted that in the present invention, the registration request in above-described embodiment 1, embodiment 2 is
Message (Message) in SIP is extended to represent the message of registration；And go registration request for pair
Message in SIP is extended to represent the message of registration.Here extension may include that extension disappears
Head and message body are ceased, but does not influence SIP to parse.
Also, as one embodiment, in the present invention, the information that registration request is carried can be encapsulated in
In the message body of XML format.
Form after hereafter citing description Message extends：
In the form of Message after extension described above, including the following aspects：
Message header field extends：
Ptt-Extension：When for pttregGC, registration request is represented, when for pttderegGC
When, registration request is gone in expression；
Message header body extends：
Content type (Content-type)：When for application, registration request is represented, when
During for pttroaming, registration request is gone in expression.
Multiple cell (IE can be included in content type：Information Element), table 1 below
Exemplified each cell：
Table 1
In addition, in the present invention, register response, register response is gone to be 200OK message in SIP.
The method that the present invention is provided is described above, the system that the present invention is provided retouched below
State：
Referring to Fig. 7, the system construction drawing that Fig. 7 provides for the present invention.As shown in fig. 7, the system is at least
Including：The group main control server of the affiliated group of terminal, terminal, terminal roaming visit domain core net extremely
Interior TCF network elements；
Wherein, the TCF network elements, the business for controlling the management terminal, in the endpoint registration extremely
Its roam after visit domain core net extremely, between the group main control server by the affiliated group of the terminal
Open Tc2-C interfaces represent the terminal and send registration request to described group of main control server, by institute
Terminal is stated to be notified to described group of main control server by the information of this TCF network elements offer group-calling service；
Described group of main control server, is registered for receiving the registration request, and being returned to the TCF network elements
Response；And,
When the terminal initiates group-calling service, transmission group exhales foundation request to the TCF network elements so that TCF
Network element is set up group and exhaled.
Preferably, the TCF network elements, further when terminal no longer carries out group service, pass through the Tc2-C
Interface is sent to described group of main control server and goes registration request, and the terminal is no longer carried out into group service
Information is notified to described group of main control server；
Described group of main control server, further goes registration request, and return to the TCF network elements described in reception
Go register response.
Preferably, the registration request for the message Message in session initiation protocol SIP is extended with
The message of registration is represented, it still further comprises but is not limited to following information：The affiliated group information of terminal, visit
Visit domain core net information, endpoint registration, terminal's status information；Terminal's status information at least includes：Distant dizzy shape
State, distant state of getting killed, resurrection state；
Described group of main control server transmission group is exhaled before foundation request, is further comprised：Detect the end received
The status information at end, if distant dizzy state or distant state of getting killed, then forbids transmission group to exhale foundation to ask, conversely,
Then continue executing with transmission group and exhale the step of foundation is asked；
It is described to go registration request to be extended to represent the message Message in session initiation protocol SIP
The message of registration.
So far, the system architecture description shown in Fig. 7 is completed.
Referring to Fig. 8, another system construction drawing that Fig. 8 provides for the present invention.As shown in figure 8, the system is at least
Including：Group main control server, the first TCF network elements, the 2nd TCF network elements of the affiliated group of terminal, terminal；
First TCF network elements, the TCF network elements before being terminal roaming in residing ownership domain core net, control
Manage the business of the terminal, in the endpoint registration to its roaming after visit domain core net extremely,
The terminal is represented to described group of master control by Tc2-C interfaces open between described group of main control server
Server sends registration request, and the information for providing group-calling service by the 2nd TCF network elements by the terminal is notified
To described group of main control server；
TCF network elements in 2nd TCF network elements, the visit domain core net of terminal roaming extremely；
Group main control server, register response is returned for receiving the registration request, and to the first TCF network elements；
And, when the terminal initiates group-calling service, transmission group exhales foundation request to the 2nd TCF network elements so that the
Two TCF network elements are set up group and exhaled.
Preferably, the first TCF network elements are further when the terminal no longer carries out group service, by described
Tc2-C interfaces are sent to described group of main control server and go registration request, and the terminal is no longer carried out into cluster industry
The information of business is notified to described group of main control server；
Described group of main control server, further goes registration request, and return to the first TCF network elements described in reception
Go register response.
Preferably, the registration request for the message Message in session initiation protocol SIP is extended with
The message of registration is represented, it still further comprises but is not limited to following information：The affiliated group information of terminal, visit
Visit domain core net information, endpoint registration, terminal's status information；Terminal's status information at least includes：Distant dizzy shape
State, distant state of getting killed, resurrection state；
Described group of main control server transmission group is exhaled before foundation request, is further comprised：Detect the end received
The status information at end, if distant dizzy state or distant state of getting killed, then forbids transmission group to exhale foundation to ask, conversely,
Then continue executing with transmission group and exhale the step of foundation is asked；
It is described to go registration request to be extended with table the message Message in session initiation protocol SIP
Show the message of registration.
So far, the system architecture description shown in Fig. 8 is completed.
Referring to Fig. 9, the structure drawing of device that Fig. 9 provides for the present invention.As shown in figure 9, the device includes：
Service Management Unit, the business for controlling management terminal；
Registration unit, affiliated core net for terminal roaming visit domain core net extremely when, when endpoint registration extremely
Visit after domain core net, pass through Tc2-C open between the group main control server of the affiliated group of the terminal
Interface represents the terminal and sends registration request to described group of main control server, by the terminal by this TCF
Network element provide group-calling service information notify to described group of main control server, and,
The register response that reception group main control server is returned；And,
The group that reception group main control server is sent when terminal initiates group-calling service exhales foundation request to be exhaled to set up group；
Or,
When affiliated core net is terminal roaming ownership domain core net residing to before visiting domain core net, work as end
End is roamed to after visit domain core net, has been opened between the group main control server by the affiliated group of the terminal
The Tc2-C interfaces put represent the terminal and send registration request to described group of main control server, by the end
The information for holding the TCF network elements in the visit domain core net to provide group-calling service notifies to take to described group of master control
Business device, so that described group of main control server is when the terminal initiates group-calling service, transmission group exhales foundation to ask
To the TCF network elements in the visit domain core net so that the TCF network elements in the visit domain core net set up group
Exhale；And,
The register response that reception group main control server is returned.
So far, the apparatus structure description shown in Fig. 9 is completed.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc. all should be included
Within the scope of protection of the invention.
Claims (10)
1. a kind of service implementation method in broadband cluster system during terminal roaming, it is characterised in that this method
Including：
After endpoint registration to its roaming institute visit domain core net extremely, the collection team control visited in domain core net
If the business of the functional module TCF network elements processed control management terminal, by with group belonging to the terminal
Tc2-C interfaces open represent the terminal to described group of main control server between the group main control server of group
Registration request is sent, the information for providing group-calling service by this TCF network elements by the terminal is notified to described group
Main control server；
Described group of main control server receives the registration request, and returns to register response to the TCF network elements；
Described group of main control server is when the terminal initiates group-calling service, and transmission group exhales foundation request to described
TCF network elements are so that TCF network elements set up group exhales.
2. according to the method described in claim 1, it is characterised in that this method further comprises：
When terminal no longer carries out group service, the TCF network elements are by the Tc2-C interfaces to described group
Main control server is sent and goes registration request, and the information that the terminal is no longer carried out to group service is notified to institute
State a group main control server；
Described group of main control server goes registration request described in receiving, and returns to registration sound to the TCF network elements
Should.
3. a kind of service implementation method in broadband cluster system during terminal roaming, it is characterised in that this method
Including：
Terminal roaming is to visiting after domain core net, if terminal roaming ownership residing to before visiting domain core net
Clustered control functional module TCF network element controls in domain core net manage the business of the terminal, then described
TCF network elements the endpoint registration to it is described visit domain core net after, by with the affiliated group of the terminal
Open Tc2-C interfaces represent the terminal and sent to described group of main control server between group main control server
Registration request, TCF network element of the terminal in the visit domain core net is provided the letter of group-calling service
Breath is notified to described group of main control server；
Described group of main control server receives the registration request, and the TCF nets into the ownership domain core net
Member returns to register response；
Described group of main control server is when the terminal initiates group-calling service, and transmission group exhales foundation request to be visitd to described
The TCF network elements visited in domain core net are so that the TCF network elements in the visit domain core net are set up group and exhaled.
4. method according to claim 3, it is characterised in that this method further comprises：
TCF network elements in the ownership domain core net pass through institute when the terminal no longer carries out group service
State Tc2-C interfaces and go registration request to described group of main control server transmission, the terminal is no longer collected
The information of group business is notified to described group of main control server；
Described group of main control server removes registration request, and the TCF into the ownership domain core net described in receiving
Network element returns to register response.
5. the method according to claim 2 or 4, it is characterised in that the registration request is to session
Message Message in initiation protocol SIP is extended to represent the message of registration, and it is still further comprised
But it is not limited to following information：The affiliated group information of terminal, visit domain core net information, endpoint registration, terminal
Status information；Terminal's status information at least includes：Distant dizzy state, distant state of getting killed, resurrection state；
Described group of main control server transmission group is exhaled before foundation request, is further comprised：Detect the end received
The status information at end, if distant dizzy state or distant state of getting killed, then forbids transmission group to exhale foundation to ask, conversely,
Then continue executing with transmission group and exhale the step of foundation is asked；
It is described to go registration request to be extended to represent the message Message in session initiation protocol SIP
The message of registration.
6. a kind of business realizing system in broadband cluster system during terminal roaming, it is characterised in that the system
At least include：The group main control server of the affiliated group of terminal, terminal, terminal roaming visit domain core extremely
Clustered control functional module TCF network elements in net；
Wherein, the TCF network elements, the business for controlling the management terminal, in the endpoint registration extremely
Its roam after visit domain core net extremely, between the group main control server by the affiliated group of the terminal
Open Tc2-C interfaces represent the terminal and send registration request to described group of main control server, by institute
Terminal is stated to be notified to described group of main control server by the information of this TCF network elements offer group-calling service；
Described group of main control server, is registered for receiving the registration request, and being returned to the TCF network elements
Response；And,
When the terminal initiates group-calling service, transmission group exhales foundation request to the TCF network elements so that TCF
Network element is set up group and exhaled.
7. system according to claim 6, it is characterised in that the TCF network elements, further at end
When end no longer carries out group service, sent by the Tc2-C interfaces to described group of main control server and go registration
Request, the information that the terminal is no longer carried out to group service is notified to described group of main control server；
Described group of main control server, further goes registration request, and return to the TCF network elements described in reception
Go register response.
8. a kind of business realizing system in broadband cluster system during terminal roaming, it is characterised in that the system
At least include：The group main control server of the affiliated group of terminal, terminal, the first clustered control functional module TCF
Network element, the 2nd TCF network elements；
The first TCF network elements, the TCF network elements before being terminal roaming in residing ownership domain core net,
The business of the control management terminal, for the endpoint registration to its roaming visit domain core net extremely
Afterwards, the terminal is represented to described group by Tc2-C interfaces open between described group of main control server
Main control server sends registration request, and the terminal is provided to the information of group-calling service by the 2nd TCF network elements
Notify to described group of main control server；
TCF network elements in 2nd TCF network elements, the visit domain core net of terminal roaming extremely；
Group main control server, register response is returned for receiving the registration request, and to the first TCF network elements；
And, when the terminal initiates group-calling service, transmission group exhales foundation request to the 2nd TCF network elements so that the
Two TCF network elements are set up group and exhaled.
9. system according to claim 8, it is characterised in that the first TCF network elements, further
When the terminal no longer carries out group service, sent out by the Tc2-C interfaces to described group of main control server
Registration request is sent to, the information that the terminal is no longer carried out to group service is notified to described group of master control service
Device；
Described group of main control server, further goes registration request, and return to the first TCF network elements described in reception
Go register response.
10. a kind of business realizing device in broadband cluster system during terminal roaming, it is characterised in that the device
Including：
Service Management Unit, the business for controlling management terminal；
Registration unit, affiliated core net for terminal roaming visit domain core net extremely when, when endpoint registration extremely
Visit after domain core net, pass through Tc2-C open between the group main control server of the affiliated group of the terminal
Interface represents the terminal and sends registration request to described group of main control server, by the terminal by this TCF
Network element provide group-calling service information notify to described group of main control server, and,
The register response that reception group main control server is returned；And,
The group that reception group main control server is sent when terminal initiates group-calling service exhales foundation request to be exhaled to set up group；
Or,
When affiliated core net is terminal roaming ownership domain core net residing to before visiting domain core net, work as end
End is roamed to after visit domain core net, has been opened between the group main control server by the affiliated group of the terminal
The Tc2-C interfaces put represent the terminal and send registration request to described group of main control server, by the end
The information for holding the TCF network elements in the visit domain core net to provide group-calling service notifies to take to described group of master control
Business device, so that described group of main control server is when the terminal initiates group-calling service, transmission group exhales foundation to ask
To the TCF network elements in the visit domain core net so that the TCF network elements in the visit domain core net set up group
Exhale；And,
The register response that reception group main control server is returned.
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