CN101808136A - Method, device and system for realizing synchronization of user dynamic resources - Google Patents
Method, device and system for realizing synchronization of user dynamic resources Download PDFInfo
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- CN101808136A CN101808136A CN201010135451A CN201010135451A CN101808136A CN 101808136 A CN101808136 A CN 101808136A CN 201010135451 A CN201010135451 A CN 201010135451A CN 201010135451 A CN201010135451 A CN 201010135451A CN 101808136 A CN101808136 A CN 101808136A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/102—Gateways
- H04L65/1043—Gateway controllers, e.g. media gateway control protocol [MGCP] controllers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/40—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection
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Abstract
The invention discloses a method, a device and a system for realizing synchronization of user dynamic resources. The method comprises that after a media gateway carries out disaster tolerance registration to a media gateway controller and enters a service in case of the disaster tolerance, the media gateway reports the state of the user resources which are being occupied to the media gateway controller based on an H.248 protocol; and if the user resources have been released, the media gateway controller eliminates the stored state information of the corresponding user. When the disaster tolerance occurs to the media gateway, the invention can make the media gateway controller know which user resources are being occupied in the media gateway in time so as to correctly acquire the information of the dynamic user resources, and cannot occupy the occupied resources when selecting the called resources in the subsequent new call so as to guarantee that when the disaster tolerance occurs to the media gateway, the dynamic user resource can correctly realize uninterrupted management in the media gateway controller until the dynamic user resources completely recovers to be at idle condition.
Description
Technical field
The present invention relates to NGN (Next Generation Network, next generation network) network technical field, relate in particular to a kind of synchronous method of user dynamic resources, Apparatus and system realized.
Background technology
In the next generation network, by traditional switch being separated into MGC (Media Gateway Control, Media Gateway Controller) and MG (Media Gateway, media gateway), utilize the characteristics of IP (Internet Protocol, Internet protocol)/ATM (Asynchronous Transfer Mode, asynchronous transfer mode) network, can realize on the one hand the mutual of voice, image, data, MGC can manyly more easily introduce professional on the other hand.MGC also can be by MG and traditional PSTN (Public Switched TelephoneNetwork, PSTN), PLMN (Public Land Mobile-communicationNetwork, public land mobile communication network) network interworking.
H.248 agreement is mainly finished as the main media gateway protocols between MGC and the MG: 1) under MGC control, finish the foundation and the release of the media channel among the MG; 2) under MGC control, the media channel and being connected with removing of bearer path of finishing among the MG are connected; 3) under MGC control, finish the configuration among the MG to the attribute of media channel and bearer path; 4) in MG, finish the operation of MGC, comprise playback, audit etc. media channel and bearer path; 5) event among the MG is reported MGC; 6) realize some simple call signalings, as analog line signaling, channel associated signalling etc.As can be seen, H.248 agreement is a kind of control protocol up and down, relates to the behavior that MGC controls MG fully.
In the next generation network switch connection diagram as shown in Figure 1, the MGC under the MG1 comprises the MGC1 and the MGC2 on right side, disposes a MGC status list among the MG1, comprises the state of MGC1 and MGC2, but only belongs to MGC1 at synchronization MG1.And when MG1 and its MGC1 link generation interruption, MG1 then seeks next MGC, i.e. MGC2 in the MGC status list, and cut-in operation.And each MGC during MG, needs to be grasped user dynamic resources such as some conversation busy-idle conditions in management, can controlling call etc. operation flow.The user dynamic resources of MGC management, as: the state that the user is current, a lot of control informations etc.In case the disaster tolerance action takes place, the way of routine is as shown in Figure 2 at present:
Step S1: when disaster tolerance took place MG1, MG1 initiated the disaster tolerance registration to MGC2 and enters service.
Step S2:MGC2 accepts registration, replys response to MG1.
Step S3:MGC2 is changed to initial condition with all related resources of MG1.
As above scheme certainly exists such problem, much before disaster tolerance takes place, can't on MGC2, continue in the business that produces on the MGC1, such as: business such as the ongoing calling of user, conversation, fax, when MGC2 carries out initialization to all related resources of MG1, can only be forced to interrupt, influence very much user experience and impression.In addition, data volume is big because the user dynamic resources that produces on MGC1 exists usually, the characteristics of dynamic change, be difficult to accomplish that MGC2 goes up user dynamic resources data real time backup before to MG1, thereby MGC2 can't disaster tolerance when action occur, and the user dynamic resources of this MG1 is carried out an effectively management.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of synchronous method of user dynamic resources, Apparatus and system realized is provided, and makes Media Gateway Controller can in time know the user dynamic resources of the media gateway that disaster tolerance takes place, thereby it is controlled and manages.
The technical solution used in the present invention is that the synchronous method of described realization user dynamic resources comprises:
Carry out after disaster tolerance logs in and enter service to Media Gateway Controller during media gateway generation disaster tolerance, described media gateway reports the user resources state that is taking to described Media Gateway Controller;
When the user resources that taking were released, described media gateway reported d/d user resources state to described Media Gateway Controller.
Described media gateway further comprises after described Media Gateway Controller reports the user resources state that is taking:
Described Media Gateway Controller is according to the described user resources state setting that is taking and preserve the state of user information that is taking.
Described media gateway reports the user resources state that is taking specifically to refer to described Media Gateway Controller: described media gateway is by H.248 the method signaling parameter and the parameter value in the reason signaling parameter of the servicechange request message of agreement report the described user resources state that is taking to described Media Gateway Controller;
Perhaps, described media gateway reports the described user resources state that is taking by the parameter value in the expansion x signaling parameter of the servicechange request message of agreement H.248 to described Media Gateway Controller.
Described Media Gateway Controller is according to the described user resources state setting that is taking and preserve after the state of user information taking, further comprises:
Described Media Gateway Controller is regularly examined described user's current resource occupation state, upgrades described state of user information with this.
The current resource occupation state that described Media Gateway Controller is regularly examined described user specifically refers to:
Described Media Gateway Controller regularly sends the AuditValue demand signalling of the current resource occupation state of the described user of audit to described media gateway;
Described media gateway is replied the AuditValue response signaling, the current resource occupation state of the subsidiary described user of reporting parameters by the AuditValue response signaling.
When the user resources that taking were released, described media gateway was after described Media Gateway Controller reports d/d user resources state, and this method further comprises: described Media Gateway Controller is removed described state of user information.
The present invention also provides a kind of device of realizing that user dynamic resources is synchronous, comprises following part:
Media gateway is used for when disaster tolerance takes place carrying out reporting the user resources state that is taking to described Media Gateway Controller after disaster tolerance logs in and enter service to Media Gateway Controller;
Media Gateway Controller is used for according to the described user resources state setting that is taking and preserves the state of user information taking, when described user resources are released, removes the state information of the respective user of preserving.
Described media gateway is further used for:
Report the described user resources state that is taking by H.248 the method signaling parameter and the parameter value in the reason signaling parameter of the servicechange request message of agreement to described Media Gateway Controller,
Perhaps, report the described user resources state that is taking by the parameter value in the expansion x signaling parameter of the servicechange request message of agreement H.248 to described Media Gateway Controller.
Described Media Gateway Controller is further used for:
The described user's of periodic auditing current resource occupation state.
The present invention also provides a kind of system that realizes that user dynamic resources is synchronous, and media gateway links to each other with Media Gateway Controller by IP network, and the management of Media Gateway Controller under being subjected to, and is connected with the user below the media gateway, wherein:
Media gateway is used for when disaster tolerance takes place carrying out reporting the user resources state that is taking to described Media Gateway Controller after disaster tolerance logs in and enter service to Media Gateway Controller;
Media Gateway Controller is used for according to the described user resources state setting that is taking and preserves the state of user information taking, when described user resources are released, removes the state information of the respective user of preserving.
Adopt technique scheme, the present invention has following advantage at least:
The synchronous method of realization user dynamic resources of the present invention, Apparatus and system, carry out after disaster tolerance logs in and enter service to Media Gateway Controller during media gateway generation disaster tolerance, media gateway reports the user resources state that is taking based on agreement H.248 to Media Gateway Controller, further, Media Gateway Controller is regularly examined described user's current occupation condition, if described user resources are still occupied, then continue regularly audit, if described user resources are released, then Media Gateway Controller is removed the state information of the respective user of preserving.When media gateway generation disaster tolerance, which user resources that the present invention can make Media Gateway Controller in time grasp under the media gateway take, thereby can correctly obtain the information of these dynamic subscriber's resources, and no longer take these occupied resources when in follow-up new calling, selecting called resource.Thereby in the time of can guaranteeing media gateway generation disaster tolerance, dynamic subscriber's resource can realize in Media Gateway Controller correctly that uninterrupted management recovers idle condition fully up to it.The solution that the present invention is efficient, feasible the problem of dynamic resource management during the media gateway disaster tolerance, all feasible to all types of media gateway users.
Description of drawings
Fig. 1 is a switch connection diagram in the next generation network in the prior art;
Fig. 2 is the disaster tolerance process of media gateway and Media Gateway Controller in the prior art;
Fig. 3 realizes the synchronous method flow diagram of user dynamic resources described in the first embodiment of the invention;
Fig. 4 realizes the synchronous method flow diagram of user dynamic resources described in the second embodiment of the invention;
Fig. 5 realizes the synchronous method flow diagram of user dynamic resources described in the third embodiment of the invention;
Fig. 6 realizes described in the sixth embodiment of the invention that the synchronous system of user dynamic resources forms schematic diagram.
Embodiment
Reach technological means and the effect that predetermined purpose is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to synchronous method, the Apparatus and system of described realization user dynamic resources that the present invention proposes, describe in detail as after.
First embodiment of the invention in a networking example of as shown in Figure 1 next generation network, supposes that the user resources on the MG1 are subjected to MGC1 management control originally, and the synchronous method of described realization user dynamic resources as shown in Figure 3, comprises following concrete steps:
Disaster tolerance takes place in step S101, and MG1 initiates the disaster tolerance register requirement to MGC2.
Step S102, MGC2 accepts registration, replys disaster tolerance registration response to MG1, makes MG1 enter service simultaneously.Need to prove, step S101-S102 be in this area when the disaster tolerance action takes place in MG known processing procedure, wherein relating to the mode that MG1 chooses MGC2 is prior art, so locate not describe in detail.
Step S103, the state of user that MG1 scanning is current, detect the user who is in the conversation, send the servicechange demand signalling to MGC2 then, method signaling parameter and the reason signaling parameter of choosing the servicechange demand signalling report the user resources state that is taking as the specific signaling parameter of consulting between media gateway and the Media Gateway Controller, such as: establishing method signaling parameter value is FAILOVER, reason signaling parameter value is 990, represents that these user resources are just occupied.The action of the User Status that MG1 scanning is current belongs to the function that media gateway itself just has in the prior art, so locate not describe in detail.
Step S104, MGC2 are provided with and preserve the state of respective user for calling out seizure condition according to the user resources state that is taking, send the servicechange response signaling to MG1, and the servicechange demand signalling that MG1 reports is accepted in expression.
Step S105, when the respective user on-hook, MG1 reports on-hook signaling to MGC2, and expression user resources state discharges.
Step S106, MGC2 replys the on-hook response signaling, and the on-hook signaling that MG1 reports is accepted in expression, removes the respective user of its preservation simultaneously and calls out seizure condition.
Second embodiment of the invention, in a networking example of as shown in Figure 1 next generation network, suppose that the user resources on the MG1 are subjected to MGC1 management control originally, method that described realization user dynamic resources is synchronous and the difference of first embodiment just are that step S203 sends the incidental parameter of servicechange demand signalling, as shown in Figure 4, comprise following concrete steps:
Disaster tolerance takes place in step S201, and MG1 initiates the disaster tolerance register requirement to MGC2.
Step S202, MGC2 accepts registration, replys disaster tolerance registration response to MG1, makes MG1 enter service simultaneously.Need to prove, step S101-S102 be in this area when the disaster tolerance action takes place in MG known processing procedure, wherein relating to the mode that MG1 chooses MGC2 is prior art, so locate not describe in detail.
Step S203, the state of user that MG1 scanning is current, detect the user who is in the conversation, send the servicechange demand signalling to MGC2 then, adopt the expansion x signaling parameter of servicechange demand signalling to report the user resources state that is taking as the specific signaling parameter of consulting between media gateway and the Media Gateway Controller, such as: establishing x-seize signaling parameter value is 100, represents that these user resources are just occupied.In the prior art, media gateway can be grasped following state of user in real time, and the action of the User Status that MG1 scanning is current belongs to the function that media gateway itself just has in the prior art, so locate not describe in detail.
Step S204, MGC2 are provided with and preserve the state of respective user for calling out seizure condition according to the user resources state that is taking, send the servicechange response signaling to MG1, and the servicechange demand signalling that MG1 reports is accepted in expression.
Step S205, when the respective user on-hook, MG1 reports on-hook signaling to MGC2, and expression user resources state discharges.
Step S206, MGC2 replys the on-hook response signaling, and the on-hook signaling that MG1 reports is accepted in expression, removes the respective user of its preservation simultaneously and calls out seizure condition.
Third embodiment of the invention, a kind of method that realizes that user dynamic resources is synchronous as shown in Figure 5, comprises following concrete steps:
Disaster tolerance takes place in step S301, and MG1 initiates the disaster tolerance register requirement to MGC2.
Step S302, MGC2 accepts registration, replys disaster tolerance registration response to MG1, makes MG1 enter service simultaneously.Need to prove, step S101-S102 be in this area when the disaster tolerance action takes place in MG known processing procedure, wherein relating to the mode that MG1 chooses MGC2 is prior art, so locate not describe in detail.
Step S303, the state of user that MG1 scanning is current, detect the user who is in the conversation, send the servicechange demand signalling to MGC2 then, adopt the expansion x signaling parameter of servicechange demand signalling to report the user resources state that is taking as the specific signaling parameter of consulting between media gateway and the Media Gateway Controller, such as: establishing x-seize signaling parameter value is 100, represents that these user resources are just occupied.
Step S304, MGC2 sends the servicechange response signaling according to the state information of user resources state setting that is taking and preservation respective user to MG1.
Step S305, when the respective user on-hook, MG1 reports on-hook signaling to MGC2, carries the user resources state information of release.
Step S306, MGC2 replys the on-hook response signaling, and the on-hook signaling that MG1 reports is accepted in expression, removes the respective user of its preservation simultaneously and calls out seizure condition.
For preventing that the MG1 among the step S305 from reporting on-hook signaling unsuccessful to MGC2, present embodiment is carried out following steps in execution in step 305:
Step S308, MG1 reply AuditValue audit response signaling, the state that report of user is current.Reporting of concrete state can be examined the state that event descriptor eventsDescriptor in the audit return parameters auditReturnParameter parameter of carrying in the response signaling represents the active user by AuditValue, such as: if represent the current detection on-hook that is in the event descriptor, then illustrate in conversation, and, illustrate that then its state discharges if detect off-hook.
Step S309, the AuditValue audit response signaling that MGC2 replys according to MG1, whether detect current user state consistent with the User Status of preserving, if the User Status unanimity, then further detect this end subscriber and whether the calling Media Stream between the end subscriber is also existed, prevent to omit the opposite end and call out and discharged the local terminal user resources release that causes, if, repeating step S307 to S309 then, otherwise remove the respective user state of preserving, remove simultaneously and regularly examine the signaling timer; If User Status is inconsistent, then remove the respective user state of preserving, remove simultaneously and regularly examine the signaling timer.
Fourth embodiment of the invention, a kind of device of realizing that user dynamic resources is synchronous comprises following part:
Media gateway, be used for when disaster tolerance takes place carrying out after disaster tolerance logs in and enter service to Media Gateway Controller, report the user resources state that is taking to Media Gateway Controller based on agreement H.248, concrete, described media gateway reports the user resources state that is taking by the servicechange demand signalling to Media Gateway Controller, and described servicechange request message is represented the user resources state that taking by subsidiary method signaling parameter and the parameter value in the reason signaling parameter.
Media Gateway Controller is used for the state information according to user resources state setting that is taking and preservation respective user, when user resources are released, removes the state information of the respective user of preserving.
Fifth embodiment of the invention, a kind of device of realizing that user dynamic resources is synchronous comprises following part:
Media gateway, be used for when disaster tolerance takes place carrying out after disaster tolerance logs in and enter service to Media Gateway Controller, report the user resources state that is taking to Media Gateway Controller based on agreement H.248, concrete, described media gateway reports the user resources state that is taking by the servicechange demand signalling to Media Gateway Controller, and described servicechange request message is represented the user resources state that taking by the parameter value in the subsidiary expansion x signaling parameter.
Media Gateway Controller, be used for being provided with and preserving the state information of respective user according to the user resources state that is taking, the described user's of periodic auditing current occupation condition, if described user resources are still occupied, then continue regularly audit, if described user resources are released, then Media Gateway Controller is removed the state information of the respective user of preserving.
Sixth embodiment of the invention, a kind of system that realizes that user dynamic resources is synchronous, as shown in Figure 6, media gateway links to each other with Media Gateway Controller by IP network, and the management of Media Gateway Controller under being subjected to, and is connected with the user below the media gateway, wherein:
Media gateway, be used for when disaster tolerance takes place carrying out after disaster tolerance logs in and enter service to Media Gateway Controller, report the user resources state that is taking to Media Gateway Controller based on agreement H.248, concrete, report the user resources state that is taking by the servicechange demand signalling to Media Gateway Controller, described servicechange request message is represented the user resources state that taking by the parameter value in the subsidiary expansion x signaling parameter; When respective user discharged resource, media gateway reported the user resources state of release to Media Gateway Controller.
Media Gateway Controller, be used for being provided with and preserving the state information of respective user according to the user resources state that is taking, the current occupation condition that described user is examined in timing, if described user resources are still occupied, then continue regularly audit, if described user resources are released, then Media Gateway Controller is removed the state information of the respective user of preserving.
Adopt the method for media gateway generation disaster tolerance dynamic resource management in the H.248 agreement of the present invention, behind the media gateway generation disaster tolerance, need not the initialization resource status, report by specific signaling in the agreement H.248 and to take state of resources, Media Gateway Controller is put the state of respective user, can maintain these resource statuss like this, select these occupied resources when avoiding simultaneously select resource next time again.Further,, be in the false seizure condition always, can regularly issue the audit signaling, examine these state of resources,, then remove these states at once if state has change for avoiding these resource exceptions.Thereby a kind of mechanism is provided, has realized the management function of media gateway disaster tolerance dynamic resource efficiently and accurately.
By the explanation of embodiment, should be to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the present invention, yet appended diagram only provide with reference to the usefulness of explanation, be not to be used for the present invention is limited.
Claims (10)
1. a method that realizes that user dynamic resources is synchronous is characterized in that, comprising:
Carry out after disaster tolerance logs in and enter service to Media Gateway Controller during media gateway generation disaster tolerance, described media gateway reports the user resources state that is taking to described Media Gateway Controller;
When the user resources that taking were released, described media gateway reported d/d user resources state to described Media Gateway Controller.
2. according to the synchronous method of the described realization user dynamic resources of claim 1, it is characterized in that described media gateway further comprises after described Media Gateway Controller reports the user resources state that is taking:
Described Media Gateway Controller is according to the described user resources state setting that is taking and preserve the state of user information that is taking.
3. according to the synchronous method of the described realization user dynamic resources of claim 1, it is characterized in that described media gateway reports the user resources state that is taking specifically to refer to described Media Gateway Controller: described media gateway is by H.248 the method signaling parameter and the parameter value in the reason signaling parameter of the servicechange request message of agreement report the described user resources state that is taking to described Media Gateway Controller;
Perhaps, described media gateway reports the described user resources state that is taking by the parameter value in the expansion x signaling parameter of the servicechange request message of agreement H.248 to described Media Gateway Controller.
4. according to the synchronous method of the described realization user dynamic resources of claim 2, it is characterized in that, described Media Gateway Controller is according to the described user resources state setting that is taking and preserve after the state of user information taking, further comprises:
Described Media Gateway Controller is regularly examined described user's current resource occupation state, upgrades described state information with this.
5. according to the synchronous method of the described realization user dynamic resources of claim 4, it is characterized in that the current resource occupation state that described Media Gateway Controller is regularly examined described user specifically refers to:
Described Media Gateway Controller regularly sends the AuditValue demand signalling of the current resource occupation state of the described user of audit to described media gateway;
Described media gateway is replied the AuditValue response signaling, the current resource occupation state of the subsidiary described user of reporting parameters by the AuditValue response signaling.
6. according to claim 2 or the synchronous method of 4 or 5 described realization user dynamic resources, it is characterized in that, when the user resources that taking are released, described media gateway further comprises after described Media Gateway Controller reports d/d user resources state: described Media Gateway Controller is removed described state of user information.
7. a device of realizing that user dynamic resources is synchronous is characterized in that, comprises following part:
Media gateway is used for when disaster tolerance takes place carrying out reporting the user resources state that is taking to described Media Gateway Controller after disaster tolerance logs in and enter service to Media Gateway Controller;
Media Gateway Controller is used for according to the described user resources state setting that is taking and preserves the state of user information taking, when described user resources are released, removes the state information of the respective user of preserving.
8. according to the synchronous device of the described realization user dynamic resources of claim 7, it is characterized in that described media gateway is further used for:
Report the described user resources state that is taking by H.248 the method signaling parameter and the parameter value in the reason signaling parameter of the servicechange request message of agreement to described Media Gateway Controller,
Perhaps, report the described user resources state that is taking by the parameter value in the expansion x signaling parameter of the servicechange request message of agreement H.248 to described Media Gateway Controller.
9. according to claim 7 or the synchronous device of 8 described realization user dynamic resources, it is characterized in that described Media Gateway Controller is further used for:
The described user's of periodic auditing current resource occupation state.
10. a system that realizes that user dynamic resources is synchronous is characterized in that, media gateway links to each other with Media Gateway Controller by IP network, and the management of Media Gateway Controller under being subjected to, and is connected with the user below the media gateway, wherein:
Media gateway is used for when disaster tolerance takes place carrying out reporting the user resources state that is taking to described Media Gateway Controller after disaster tolerance logs in and enter service to Media Gateway Controller;
Media Gateway Controller is used for according to the described user resources state setting that is taking and preserves the state of user information taking, when described user resources are released, removes the state information of the respective user of preserving.
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| CN201010135451.8A CN101808136B (en) | 2010-03-30 | 2010-03-30 | Method, device and system for realizing synchronization of user dynamic resources |
| PCT/CN2011/071898 WO2011120384A1 (en) | 2010-03-30 | 2011-03-17 | Method, device and system for achieving synchronization of user dynamic resources |
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| CN201010135451.8A CN101808136B (en) | 2010-03-30 | 2010-03-30 | Method, device and system for realizing synchronization of user dynamic resources |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2011120384A1 (en) * | 2010-03-30 | 2011-10-06 | 中兴通讯股份有限公司 | Method, device and system for achieving synchronization of user dynamic resources |
| CN108322918A (en) * | 2017-01-18 | 2018-07-24 | 普天信息技术有限公司 | A kind of check method of resource information |
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| CN101155407A (en) * | 2006-09-29 | 2008-04-02 | 中兴通讯股份有限公司 | Mobile switching centre imitated disaster tolerance recovery method based on visit position register |
| CN101355804A (en) * | 2008-09-01 | 2009-01-28 | 中兴通讯股份有限公司 | System and method for seamless disaster-containing switching next generation network medium gateway |
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| KR20080068989A (en) * | 2007-01-22 | 2008-07-25 | 삼성전자주식회사 | Apparatus and method for controlling media gateway of termination resource in communication system |
| CN101094274A (en) * | 2007-07-16 | 2007-12-26 | 中兴通讯股份有限公司 | Method for realizing disaster tolerated uninterrupted call in media gateway of next generation of network |
| CN101808136B (en) * | 2010-03-30 | 2015-02-25 | 中兴通讯股份有限公司 | Method, device and system for realizing synchronization of user dynamic resources |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101155407A (en) * | 2006-09-29 | 2008-04-02 | 中兴通讯股份有限公司 | Mobile switching centre imitated disaster tolerance recovery method based on visit position register |
| CN101355804A (en) * | 2008-09-01 | 2009-01-28 | 中兴通讯股份有限公司 | System and method for seamless disaster-containing switching next generation network medium gateway |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2011120384A1 (en) * | 2010-03-30 | 2011-10-06 | 中兴通讯股份有限公司 | Method, device and system for achieving synchronization of user dynamic resources |
| CN108322918A (en) * | 2017-01-18 | 2018-07-24 | 普天信息技术有限公司 | A kind of check method of resource information |
| CN108322918B (en) * | 2017-01-18 | 2021-06-18 | 普天信息技术有限公司 | Resource information checking method |
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| CN101808136B (en) | 2015-02-25 |
| WO2011120384A1 (en) | 2011-10-06 |
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