CN101790246B - Method, device and system for local exchange - Google Patents
Method, device and system for local exchange Download PDFInfo
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- CN101790246B CN101790246B CN2009100011537A CN200910001153A CN101790246B CN 101790246 B CN101790246 B CN 101790246B CN 2009100011537 A CN2009100011537 A CN 2009100011537A CN 200910001153 A CN200910001153 A CN 200910001153A CN 101790246 B CN101790246 B CN 101790246B
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Abstract
The embodiment of the invention discloses a method, a device and a system for local exchange, relating the technical field of communication. The invention is designed for solving the problem that different services can not be treat differentially according to the existing technology, so that different processing modes are employed. The method comprises the following steps: confirming current service type of both communicating sides when the both communicating sides are within the signal coverage area of a same base station controller; transmitting local loopback establish indication information to the base station controller, wherein the information carries a loopback identification. The embodiment of the invention details the local connection function to the service level and is more suitable for control and management of local area connection by the network.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of methods, devices and systems of local exchange.
Background technology
In 3G network, core net is divided into CS territory (CIRCURT CORE, circuit switching) and PS territory (PACKET CORE, packet switching), wherein the CS territory is circuit switched core network, and for supporting the business relevant to voice, the PS territory is the Packet Service core net, for supporting Packet data service and some multimedia services, the CS territory is connected with Access Network with the PS territory simultaneously.
The base station controller local exchange refers to, for CS territory business, mobile subscriber's (calling and called) is positioned at the scope of same base station controller, and base station controller, by certain algorithm, carries out the loopback of calling and called voice, for PS territory business, communication between the mobile subscriber is mutual, the both sides of communication are in same base station controller scope, and base station controller is by certain algorithm, control the mutual data of communicating pair not by core net, by base station controller, complete local loopback.By the method for local exchange, can reach the transfer resource of saving base station controller and CN (Core Network, core net) interface, reduce time delay, increase the purpose of core net capacity.
Prior art judges that by core net user both sides are whether under same base station controller, if, core net sends local exchange information to base station controller, and local exchange information comprises: local exchange indication, first user device identification and the second customer equipment identification; Base station controller carries out local exchange to the data between first user equipment and the second subscriber equipment after receiving the local exchange indication in base station controller.
Prior art learns that by the CN judgement both call sides is after a base station controller, and indicating base station controller with device identification is that both call sides is set up LS (Local Switch, local exchange).
In actual application, the inventor finds can't treat different business with a certain discrimination according to prior art, and then takes different processing modes, thereby has limited the application scenarios of LS technology.
Summary of the invention
The embodiment of the present invention provides a kind of methods, devices and systems of local exchange, has solved prior art and can't treat different business with a certain discrimination, and then taked the problem of different processing modes.For achieving the above object, the embodiment of the present invention is by the following technical solutions:
A kind of method of setting up local exchange of the embodiment of the present invention comprises:
In the time of in the signal cover of user at same base station controller of communicating pair, determine the present type of service of communicating pair;
Judge whether present type of service supports the base station controller local exchange;
If present type of service is supported the base station controller local exchange, send local loopback to described base station controller and set up Indication message, this message carries the loopback sign.
A kind of method of setting up local exchange of the embodiment of the present invention comprises:
Base station controller receives the local loopback of core net transmission and sets up Indication message, and wherein said local loopback is set up Indication message and carried the loopback sign;
Be designated according to described loopback the current business configuration local exchange pattern that communicating pair is used.
A kind of method of removing local exchange of the embodiment of the present invention comprises:
When wanting cross base station controller when switching, or while receiving the message of the releasing local exchange that core net sends, remove the local exchange that winding identifies indicated business;
Set up user's face transmission bearer with core net;
Recover the operation exchange pattern of core network domain.
A kind of device that can realize local exchange of the embodiment of the present invention comprises:
The type of service determination module, in the signal cover of same base station controller the time, determine the present type of service of communicating pair for the user when communicating pair;
The business judge module, after when the type of service determination module, determining the present type of service of communicating pair, judge whether present type of service supports local exchange;
Message transmission module, for when described business judge module judgement present type of service is supported local exchange, set up Indication message to sending local loopback, and described local loopback is set up Indication message and carried the loopback sign.
A kind of system that can realize local exchange of the embodiment of the present invention comprises: equipment of the core network, and described equipment of the core network is connected with at least one base station controller;
Equipment of the core network, be used for the user who judges communicating pair in the situation that in the signal cover of same base station controller, the present type of service of determining communicating pair is while supporting the base station controller local exchange, send and set up local loopback message to described base station controller, this message is carried Locate Loopback ID;
Base station controller, after receiving described loopback message, is the described current business configuration local exchange pattern for the communicating pair use according to described Locate Loopback ID.
The embodiment of the present invention is by before setting up local the connection for communicating pair, type of service to communicating pair is judged, and then select corresponding service bearer mode for it, thus local linkage function has been refine to service layer, be more suitable for network to locally-attached control and management.
The accompanying drawing explanation
The flow chart one of locally-attached method that Fig. 1 provides for the embodiment of the present invention;
The flowchart 2 of locally-attached method that Fig. 2 provides for the embodiment of the present invention;
A kind of flow chart of removing the method for local exchange that Fig. 3 provides for the embodiment of the present invention;
A kind of structure chart one that can realize the device of local exchange that Fig. 4 provides for the embodiment of the present invention;
A kind of structure chart two that can realize the device of local exchange that Fig. 5 provides for the embodiment of the present invention;
A kind of schematic diagram that can realize the system of local exchange that Fig. 6 provides for the embodiment of the present invention.
Embodiment
Can't treat different business with a certain discrimination in order to solve the prior art scheme, and then take the problem of different processing modes, the embodiment of the present invention that a kind of locally-attached methods, devices and systems are provided.Below in conjunction with accompanying drawing, the embodiment of the present invention is described in detail.
As shown in Figure 1, locally-attached method that the embodiment of the present invention provides comprises:
101,, in the time of in the signal cover of user at same base station controller of communicating pair, determine the present type of service of communicating pair;
102, judge whether present type of service supports the base station controller local exchange;
If 103 present type of service are supported the base station controller local exchange, send local loopback to described base station controller and set up Indication message, this message carries the loopback sign.
The embodiment of the present invention judges that by core net current communicating pair is whether in the signal cover of same base station controller, if, so the type of service of current communicating pair judged, judge whether it supports or be worth setting up local the connection, if, core net sends local loopback to base station controller and sets up Indication message, and this message carries the loopback sign; By this loopback sign, base station controller can be known the business information of communicating pair, and then selects corresponding bearing mode for different types of service.
When core net is the CS territory, the loopback sign comprises: the wireless access bearing sign of local loopback business and the combination of user ID, the combination of the wireless access bearing sign of local loopback business and Iu interface signaling connection identifier, or the combination of the wireless access bearing sign of local loopback business, user ID and Iu interface signaling connection identifier; Be that local loopback is set up in Indication message and carried any one in above-mentioned three kinds of combinations and get final product;
When core net is the PS territory, loopback sign, except comprising any one in above-mentioned three kinds of combinations, also comprises TEID (Tunnel Identifier), DTI (directly Tunnel Identifier) or wireless access bearing sign; Now local loopback is set up in Indication message and not only can be carried any one in above-mentioned three kinds of combinations, also can only carry TEID (Tunnel Identifier), DTI (directly Tunnel Identifier) or wireless access bearing sign that can globally unique identifier's business information in base station controller.
In twice judgement carrying out, if there is arbitrary situation about being judged as NO, exit the flow process of local exchange in step 101, step 102, by core net, for the user, provide communication service.By core net, for the user provides communication service, be known technology, in this few repetition.
The situation that is the PS territory for core net, also need the user who judges communicating pair whether to belong to same SGSN before, if belong to same SGSN, then communicate both sides' the whether judgement in the signal cover of same base station controller of user, if do not belong to same SGSN, exit the flow process of local exchange, by core net, for the user, provide communication service.By core net, for the user provides communication service, be known technology, in this few repetition.
When the type of service of core net judgement communicating pair is supported the base station controller local exchange, also need first by the speech encoding rate of communicating pair, to be adjusted into identical;
If the speech encoding rate of communicating pair is identical, core net can directly send local loopback to base station controller and set up Indication message;
If the speech encoding rate difference of communicating pair, core net can be by adjusting communicating pair or a side's speech encoding rate, make its both sides' speech encoding rate adjust identical, send local loopback to base station controller afterwards and set up Indication message, and local loopback is set up in Indication message the speech encoding rate carried after adjustment.If base station controller is supported codec functions, so when core net indication base station controller is set up local loopback, also can not adjust terminal both sides' speech encoding rate, set up in Indication message the speech encoding rate of the business of carrying at local loopback, the code rate of being supported by the base station controller converting users.
As shown in Figure 2, the embodiment of the present invention is a kind of sets up locally-attached method and comprises:
201, the local loopback that receives the core net transmission is set up Indication message,, wherein said local loopback is set up Indication message and is carried the loopback sign;
202, be designated according to described loopback the current business configuration local exchange pattern that communicating pair is used.
Base station controller receives local loopback that core net sends set up Indication message after, set up according to described local loopback the loopback carried in Indication message and be designated communicating pair configuration local exchange pattern, the type of service that is communicating pair is selected corresponding service bearer mode, and the business datum by base station controller control communicating pair is exchanged afterwards.
The embodiment of the present invention is analyzed by local loopback being set up to the loopback sign of carrying in Indication message, thereby obtain the type of service of communicating pair, and then select corresponding service bearer mode for communicating pair, this has just refine to service layer by the local exchange function, has expanded the application scenarios of local exchange function.
After step 202, the embodiment of the present invention can take two kinds of technical schemes to carry out following flow process, below will be described respectively:
The first: after the success of base station controller configuration local exchange pattern, directly delete main user's face transmission bearer of exhaling foundation, user's face transmission bearer of setting up between base station controller and core net;
Afterwards, set up local loopback by base station controller to the core net transmission and receive the response, this message indication local exchange configuration successful.
The second: after the success of base station controller configuration local exchange pattern, set up local loopback to the core net transmission and receive the response, this message indication local exchange configuration successful;
After core net is received response message, send message indication base station controller and delete user's face transmission bearer of setting up for caller;
Base station controller is deleted user's face transmission bearer according to the message of core net.
The method of setting up local exchange provided for the embodiment of the present invention, can be applicable in multiple concrete scene and pattern, in the scene of calling out to the called subscriber as the calling subscriber, in the scene that the caller called subscriber is switched in communication process etc., all identical with the embodiment of the present invention with the technical scheme of applying in pattern in each scene, at this, only by the method for setting up local exchange under handoff scenario, simply be described as follows:
Before switching, within communicating pair belongs to the signal cover of different base station controllers, for convenience of describing, within supposing that the calling party belongs to the signal cover of base station controller 1, within the callee belongs to the signal cover of base station controller 2, the callee will switch to the signal cover of base station controller 1 now, and base station controller 2 can send Relocation Required (reorientation demand) message to core net;
After core net is received described Relocation Required message, whether the communicating pair after the judgement switching belongs to base station controller, and whether the type of service of communicating pair supports the base station controller local exchange;
If above-mentioned judged result is, be that core net sends Relocation Request (re-positioning request) message indication RNC to base station controller 1 and sets up local exchange, carries the loopback sign in described Relocation Request message; Otherwise, exit the local exchange flow process;
After base station controller 1 is received described Relocation Request message, it is the business configuration local exchange of communicating pair;
After configuration successful, base station controller 1 sends Relocation Required ACK (re-positioning request is replied) message to core net, and the indication local exchange has configured, and the business datum of controlling communicating pair by base station controller 1 is afterwards exchanged in this locality;
If configuration failure, base station controller 1 sends Relocation Required ACK (re-positioning request is replied) message to core net, and the indication configuration failure recovers existing core net switch mode and continues communication.
As shown in Figure 3, the embodiment of the present invention provides a kind of method of removing local exchange, comprising:
301, when wanting cross base station controller when switching, or while receiving the message of the releasing local exchange that core net sends, remove the local exchange that winding identifies indicated business;
302 and core net set up user's face transmission bearer;
303, recover the operation exchange pattern of core network domain.
According to step 302, the concrete difference of implementing of step 303, the method for the releasing local exchange that the embodiment of the present invention provides can comprise following four kinds of technical schemes, below will be described one by one:
The first: the step of setting up user's face transmission bearer with core net comprises:
The base station controller judgement has a side to want the cross base station controller switching;
The foundation of base station controller and core net completing user face transmission bearer.
The step of the operation exchange pattern of described recovery core network domain comprises:
Base station controller sends message request to core net and removes local exchange, and in message, portability has the loopback sign;
Core net sends and receives the response, and local exchange is removed in indication, recovers the core-network side data exchange mode;
Base station controller is received receiveing the response of core net, and the configure user data are the core net switch mode, to core net, sends and receives the response.
The second: the step of setting up user's face transmission bearer with core net comprises:
After the cross base station controller handover request of core net As-received station control, to base station controller, send and remove the local exchange indication; Perhaps base station controller asks to remove local exchange when core net sends switching message simultaneously, and in message, portability has the loopback sign;
Core net sends and receives the response, and local exchange is removed in indication;
After base station controller is received, and the foundation of core net completing user face transmission bearer;
The step of the operation exchange pattern of described recovery core network domain comprises:
After the foundation of base station controller and core net completing user face transmission bearer, the configure user data are the core net switch mode, to core net, send and receive the response;
After core net is received message, recover the core-network side data exchange mode.
The third: the step of setting up user's face transmission bearer with core net comprises:
The base station controller judgement has a side to want the cross base station controller switching;
The foundation of base station controller and core net completing user face transmission bearer;
The step of the operation exchange pattern of described recovery core network domain comprises:
Base station controller configure user business is the core net switch mode, sends message request to core net and removes local exchange, carries the loopback sign in message;
Core net sends and receives the response, and local exchange is removed in indication, recovers the core-network side data exchange mode.
The 4th kind: the step of setting up user's face transmission bearer with core net comprises:
When core net need to be initiated the monitoring to side's local loopback user, core net sends the message of removing local exchange, and the indication base station controller is removed local exchange, comprises the loopback sign in message;
After base station controller is received, the user's face transmission bearer between foundation and core net;
The step of the operation exchange pattern of described recovery core network domain comprises:
Base station controller configure user data are the core net switch mode, to core net, send message, the indication configuration successful;
After core net is received message, recover the core-network side data exchange mode.
In the method for the releasing local exchange provided in the embodiment of the present invention, if there is the situation of removing the local loopback failure, base station controller sends Indication message to core net, and the indication local loopback is removed unsuccessfully;
After core net is received message, indication base station controller releasing user connects, or the indication base station controller recovers to set up local loopback.
The method of the releasing local exchange that the embodiment of the present invention provides, can realize the releasing of communicating pair local exchange pattern, switch back core net control model or call release, the releasing of local exchange pattern has been refine to service layer, can be more careful and supervising the network flexibly, and expanded the application scenarios of local exchange function.
As shown in Figure 4, a kind of device 400 that can realize local exchange of the embodiment of the present invention comprises:
Type of service determination module 401, in the signal cover of same base station controller the time, determine the present type of service of communicating pair for the user when communicating pair;
A kind of device that can realize local exchange of the embodiment of the present invention also comprises:
Whether judge module 2 405, belong to a SGSN for the user who judges communicating pair.
As shown in Figure 5, a kind of device 500 that can realize local exchange of the embodiment of the present invention comprises:
A kind of device that can realize local exchange of the embodiment of the present invention also comprises:
Removing module 503, after the local exchange configuration successful, delete main user's face transmission bearer of exhaling foundation;
As shown in Figure 6, the embodiment of the present invention provides a kind of system that can realize local exchange, comprise: equipment of the core network 1, described equipment of the core network is connected with at least one base station controller 2, and the signal cover of described base station controller is built-in with the user terminal 3 that needs communication;
Equipment of the core network, for determining the present type of service of communicating pair, judge whether present type of service supports the base station controller local exchange afterwards; If present type of service is supported the base station controller local exchange, to described base station controller, send and set up local loopback message, this message portability loopback service identification;
Base station controller, after receiving described loopback message, for described user terminal is set up local exchange.
The system that can realize local exchange that the embodiment of the present invention provides also comprises: equipment of the core network 1, and described equipment of the core network is connected with at least one base station controller 2, and the signal cover of described base station controller is built-in with the user terminal 3 that needs communication;
Base station controller, in the time will removing local exchange, and core net is set up data communication channel; Recovering exchanges data is the core net switch mode;
Equipment of the core network, in the time will removing local exchange, recover the data exchange mode of core-network side.
The methods, devices and systems of the local exchange that the embodiment of the present invention provides, by before for communicating pair, setting up local the connection, type of service to communicating pair is judged, and then select corresponding service bearer mode for it, thereby local linkage function has been refine to service layer, be more suitable for network to locally-attached control and management.
The embodiment of the present invention is for the situation in CS territory, and equipment of the core network can be MSC, and, for the situation in PS territory, equipment of the core network can be SGSN; In addition, the base station controller that the embodiment of the present invention is mentioned can be also flattening base station or Home eNodeB etc.
One of ordinary skill in the art will appreciate that: realize that all or part of step in above-described embodiment method can come the hardware that instruction is relevant to complete by program, described program can be stored in computer-readable recording medium, as ROM/RAM, magnetic disc or CD etc.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the described protection range of claim.
Claims (20)
1. a method of setting up local exchange, is characterized in that, comprising:
In the time of in the signal cover of user at same base station controller of communicating pair, determine the present type of service of communicating pair;
Judge whether present type of service supports the base station controller local exchange;
If present type of service is supported the base station controller local exchange, send local loopback to described base station controller and set up Indication message, described local loopback is set up Indication message and is carried the loopback sign.
2. the method for setting up local exchange according to claim 1, is characterized in that, described judge whether present type of service supports the step of base station controller local exchange after, also comprise:
If present type of service is not supported the base station controller local exchange, exit the flow process of local exchange.
3. the method for setting up local exchange according to claim 1, it is characterized in that, when if core net is the CS territory, described loopback sign comprises: the wireless access bearing sign of local loopback business and the combination of user ID, or the combination of the wireless access bearing sign of local loopback business and Iu interface signaling connection identifier, or the combination of the wireless access bearing sign of local loopback business, user ID and Iu interface signaling connection identifier;
When if core net is the PS territory, described loopback sign comprises: the wireless access bearing sign of local loopback business and the combination of user ID, or the combination of the wireless access bearing sign of local loopback business and Iu interface signaling connection identifier, or the combination of the wireless access bearing sign of local loopback business, user ID and Iu interface signaling connection identifier, perhaps wireless access bearing sign, perhaps Tunnel Identifier TEID, or direct Tunnel Identifier DTI, or the combination of TEID and DTI.
4. the method for setting up local exchange according to claim 1 is characterized in that further comprising if core net is the PS territory:
Whether the user who judges communicating pair belongs to a SGSN;
If the user of communicating pair belongs to a SGSN, judge that the user of communicating pair is whether in the signal cover of same base station controller.
5. the method for setting up local exchange according to claim 1, is characterized in that, if support the base station controller local exchange in described present type of service, step from Indication message to described base station controller transmission local loopback that set up also comprises before:
By the speech encoding rate of communicating pair, be adjusted into identical.
6. a method of setting up local exchange, is characterized in that, comprising: equipment of the core network is set up local exchange according to the described method of claim 1-5 any one, and described method also comprises:
Base station controller receives the local loopback of core net transmission and sets up Indication message, and wherein said local loopback is set up Indication message and carried the loopback sign;
Be designated according to described loopback the current business configuration local exchange pattern that communicating pair is used.
7. the method for setting up local exchange according to claim 6 is characterized in that further comprising:
After the local exchange configuration successful, delete main user's face transmission bearer of exhaling foundation;
Send and set up the local loopback response message to core net, this message indication local exchange configuration successful.
8. the method for setting up local exchange according to claim 6, is characterized in that, further comprises:
After the local exchange configuration successful, set up local loopback to the core net transmission and receive the response, this message indication local exchange has configured;
Receive the message of the deletion user face transmission bearer of core net transmission, according to the message of described deletion user face transmission bearer, delete user's face transmission bearer of setting up into caller.
9. a method of removing local exchange, is characterized in that, after according to claim 6-8 any one, setting up local exchange, comprising:
When wanting cross base station controller when switching, or while receiving the message of the releasing local exchange that core net sends, remove the local exchange that winding identifies indicated business;
Set up user's face transmission bearer with core net;
Recover the operation exchange pattern of core network domain.
10. the method for releasing local exchange according to claim 9, is characterized in that, the step that described and core net is set up user's face transmission bearer comprises:
Judgement has a side to want the cross base station controller switching;
Foundation with core net completing user face transmission bearer;
The step of the operation exchange pattern of described recovery core network domain comprises:
Send message request to core net and remove local exchange, described request is removed in local exchange message and is carried the loopback sign;
Receive the response message of core net, remove local exchange, configuration core-network side data exchange mode.
11. the method for releasing local exchange according to claim 9, is characterized in that, the step that described and core net is set up user's face transmission bearer comprises:
Send cross base station controller handover request message to core net, comprise the loopback sign in described cross base station controller handover request message;
Receive the response message that core net sends, remove the local exchange that winding identifies indicated business;
Foundation with core net completing user face transmission bearer;
The step of the operation exchange pattern of described recovery core network domain comprises:
After the foundation of core net completing user face transmission bearer, the configure user data are the core net switch mode.
12. the method for releasing local exchange according to claim 9, is characterized in that, the step that described and core net is set up user's face transmission bearer comprises:
Judgement has a side to want the cross base station controller switching;
Foundation with core net completing user face transmission bearer;
The step of the operation exchange pattern of described recovery core network domain comprises:
The configure user business is the core net switch mode, sends message request to core net and removes local exchange, carries the loopback sign in message;
Receive core net and send response message, remove the local exchange that winding identifies indicated business.
13. the method for releasing local exchange according to claim 9, is characterized in that, the step that described and core net is set up user's face transmission bearer comprises:
Receive the message of the releasing local exchange of core net transmission, the message of the releasing local exchange that described core net sends comprises the loopback sign;
Remove the local exchange that described winding identifies indicated business;
User's face transmission bearer between foundation and core net;
The step of the operation exchange pattern of described recovery core network domain comprises:
The configure user data are the core net switch mode, to core net, send message, the indication configuration successful.
14. the method as the described releasing local exchange of any one claim in claim 9 to 13, it is characterized in that, comprise: if when core net is the CS territory, described loopback sign comprises: the wireless access bearing sign of local loopback business and the combination of user ID, or the combination of the wireless access bearing sign of local loopback business and Iu interface signaling connection identifier, or the combination of the wireless access bearing sign of local loopback business, user ID and Iu interface signaling connection identifier;
When if core net is the PS territory, described loopback sign comprises: the wireless access bearing sign of local loopback business and the combination of user ID, or the combination of the wireless access bearing sign of local loopback business and Iu interface signaling connection identifier, or the combination of the wireless access bearing sign of local loopback business, user ID and Iu interface signaling connection identifier, perhaps wireless access bearing sign, perhaps Tunnel Identifier TEID, or direct Tunnel Identifier DTI, or the combination of TEID and DTI.
15. the device that can realize local exchange, is characterized in that, comprising:
The type of service determination module, in the signal cover of same base station controller the time, determine the present type of service of communicating pair for the user when communicating pair;
The business judge module, after when the type of service determination module, determining the present type of service of communicating pair, judge whether present type of service supports local exchange;
Message transmission module, for when described business judge module judgement present type of service is supported local exchange, set up Indication message to sending local loopback, and described local loopback is set up Indication message and carried the loopback sign.
16. the device that can realize local exchange according to claim 15, is characterized in that, also comprises:
The speed adjusting module, be adjusted into identically for the speech encoding rate by communicating pair, send local loopback by message transmission module to base station controller afterwards and set up Indication message.
17. according to the described device that can realize local exchange of claim 15 or 16, it is characterized in that, further comprise: whether judge module two belongs to a SGSN for the user who judges communicating pair.
18. the system that can realize local exchange, is characterized in that, comprising: equipment of the core network, described equipment of the core network is connected with at least one base station controller;
Equipment of the core network, be used for the user who judges communicating pair in the situation that in the signal cover of same base station controller, the present type of service of determining communicating pair is while supporting the base station controller local exchange, send and set up local loopback message to described base station controller, this message is carried Locate Loopback ID;
Base station controller, after receiving described loopback message, is the current business configuration local exchange pattern that described communicating pair is used according to described Locate Loopback ID.
19. system according to claim 18, is characterized in that, described base station controller is set up Indication message for the local loopback that receives the core net transmission, and wherein said local loopback is set up Indication message and carried the loopback sign; According to described loopback sign, it is the current business configuration local exchange pattern of communicating pair use.
20. system according to claim 19, is characterized in that, described base station controller, also for after the local exchange configuration successful, is deleted main user's face transmission bearer of exhaling foundation.
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| CN2009100011537A CN101790246B (en) | 2009-01-23 | 2009-01-23 | Method, device and system for local exchange |
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| CN2009100011537A CN101790246B (en) | 2009-01-23 | 2009-01-23 | Method, device and system for local exchange |
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| CN102076036B (en) * | 2011-01-14 | 2013-04-24 | 大唐移动通信设备有限公司 | Core network equipment and HNB, and method thereof for processing LIPA connection |
| JP6027674B2 (en) | 2012-03-26 | 2016-11-16 | 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． | Data transmission method, device and system |
| WO2015109575A1 (en) * | 2014-01-26 | 2015-07-30 | 华为技术有限公司 | Method, device and system for local switching of voices over ip |
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| CN1564572A (en) * | 2004-03-22 | 2005-01-12 | Ut斯达康通讯有限公司 | Method of ensuring normal work of native switchboard |
| CN101159905A (en) * | 2007-11-07 | 2008-04-09 | 华为技术有限公司 | Local exchange method, core network equipment and network system of implementing in base station controller |
| CN101309505A (en) * | 2007-05-15 | 2008-11-19 | 华为技术有限公司 | Voice service routing method and system in radio communication system |
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2009
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| EP1107621A2 (en) * | 1999-12-10 | 2001-06-13 | Lucent Technologies Inc. | Improved mobile to mobile calls |
| CN1564572A (en) * | 2004-03-22 | 2005-01-12 | Ut斯达康通讯有限公司 | Method of ensuring normal work of native switchboard |
| CN101309505A (en) * | 2007-05-15 | 2008-11-19 | 华为技术有限公司 | Voice service routing method and system in radio communication system |
| CN101159905A (en) * | 2007-11-07 | 2008-04-09 | 华为技术有限公司 | Local exchange method, core network equipment and network system of implementing in base station controller |
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| CN101790246A (en) | 2010-07-28 |
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