CN101442801B - Method and apparatus for registering network - Google Patents
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- CN101442801B CN101442801B CN2008101883694A CN200810188369A CN101442801B CN 101442801 B CN101442801 B CN 101442801B CN 2008101883694 A CN2008101883694 A CN 2008101883694A CN 200810188369 A CN200810188369 A CN 200810188369A CN 101442801 B CN101442801 B CN 101442801B
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Abstract
The embodiment of the invention discloses a method and equipment for network registry. The method comprises following steps: receiving registry request from IMS terminal; transmitting position updating request to MSC; receiving position updating response from the MSC; transmitting registry success response to IMS terminal. The embodiment of the invention provides complete technical scheme and implements registry of IMS terminal to mobile core network thereby IMS terminal can use service provided by mobile core network and can be integrally managed by mobile core network.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method and apparatus of network registry.
Background technology
IMS (Internet Protocol Multimedia Subsystem, internet protocol multi-media sub-system) be one based on IP (Internet Protocol, Internet protocol), professional open, with the irrelevant network environment of access way, by user ID authentication, QOS (Quality of Service are provided at the core network layer, service quality) basic abilities such as assurance, safety assurance give miscellaneous service with strong support.At present existing mediaphone, meeting, recreation, etc. professional based on the IMS network operation, along with the positive deployment of IMS, the business that has more based on IMS is put into effect.
GAN (Generic Access Network, general access network) is 3GPP (3rd Generation Partnership Project, third generation partner program) Ding Yi a kind of technology, make portable terminal or non-moving terminal can pass through general IP access mobile core network, thereby enlarge the terminal scope of mobile core network.
In realizing process of the present invention, the inventor finds to exist in the prior art following shortcoming:
In the prior art, do not support the technical scheme of IMS terminal, the business that the IMS terminal can't use mobile core network to provide to the registration of mobile core network.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus of network registry, has realized the registration of IMS terminal to mobile core network.
The embodiment of the invention provides a kind of method of network registry, may further comprise the steps:
Moving exchanging center MSC is configured to a circuit domain CS domain system with internet protocol multi-media sub-system IMS territory, described IMS network becomes an access network in described CS territory, and general access network controller application server GANC AS realizes the conversion of user's face by media gateway MGW of Mc interface control;
Described GANC AS receives the register requirement from the IMS terminal;
Described GANC AS sends position updating request according to described register requirement to MSC (Mobile Switching Centre, mobile switching centre);
Described GANC AS receives and upgrades corresponding from the position of described MSC;
Described GANC AS sends the response of succeeding in registration to described IMS terminal.
The embodiment of the invention provides a kind of equipment of network registry, comprises receiver module and sending module:
Described receiver module, be used for internet protocol multi-media sub-system IMS territory being configured to a circuit domain CS domain system when moving exchanging center MSC, described IMS network becomes an access network in described CS territory, general access network controller application server GANC AS realizes after the conversion of user's face by media gateway MGW of Mc interface control, reception receives from the position of MSC and upgrades response from the register requirement of IMS terminal;
Described sending module, the register requirement that is used for receiving according to described receiver module sends position updating request to described MSC, sends the response of succeeding in registration to described IMS terminal.
In the embodiments of the invention,, realized of the registration of IMS terminal to mobile core network by complete technical scheme is provided, the business that makes the IMS terminal can use mobile core network to provide, and can carry out unified management by mobile core network.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of network system architecture figure in the embodiment of the invention
Fig. 2 is the method flow diagram of a kind of network registry in the embodiment of the invention;
Fig. 3 is the register method flow chart that a kind of IMS terminal arrives mobile core network in the embodiment of the invention;
Fig. 4 is the changing method flow chart of a kind of IMS terminal from the IMS territory to the CS territory in the embodiment of the invention;
Fig. 5 is the changing method flow chart of a kind of IMS terminal from the CS territory to the IMS territory in the embodiment of the invention;
Fig. 6 is a kind of equipment structure chart of realizing network registry in the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention is applied in as shown in Figure 1 the system architecture, in this framework, the IMS network becomes CS (Circuit Switched domain, circuit domain) a access network, because user's face of IMS is based on RTP (Real-time Transport Protocol, real time transport protocol) Media Stream, the A interface then is the circuit domain media stream bearing, GANC (Generic Access Network Control, general access network controller) AS (Application Server, application server) controls the conversion that a MGW (Media Gateway, media gateway) realizes user's face by Mc interface.
Terminal in this system can be common IMS SIP (Session Initiated Protocol, Session initiation Protocol) Phone, the terminal that also can be the process enhancing promptly strengthens the IMS terminal to support the IMS Phone of handoff functionality between IMS territory and mobile CS territory.
MSC is configured to a CS domain system with the IMS territory, and as the configuration of common CS domain system, this configuration data has comprised the one or more virtual LAI information such as (Location Area Identity, location area) under this IMS territory control.
The embodiment of the invention provides a kind of method of network registry, as shown in Figure 2, may further comprise the steps:
Wherein, in the step 202, GANC AS, can also comprise after MSC sends position updating request according to register requirement:
GANC AS receives the authentication request from MSC;
GANC AS is according to the algorithm computation Authentication Response of configuration;
GANC AS sends Authentication Response to MSC.
Wherein, in the step 202, GANC AS, can also comprise after MSC sends position updating request according to register requirement:
GANC AS receives the encryption request from MSC;
GANC AS sends encrypted response to MSC.
Wherein, in the step 202, GANC AS, can also comprise after MSC sends position updating request according to register requirement:
GANC AS receives and writes down the TMSI from MSC.
Wherein, if in the step 202, GANC AS, also comprises after MSC sends position updating request according to register requirement:
GANC AS receives and writes down the TMSI from MSC
Then in the step 204, GANC AS can also comprise after the IMS terminal sends the response of succeeding in registration:
GANC AS sends the TMSI Reallocation Complete message to MSC.
Wherein, in the step 204, GANC AS can also comprise after the IMS terminal sends the response of succeeding in registration:
GANC AS sends the system information of virtual subdistrict to the IMS terminal.System information can comprise one or more in the following parameter: the location area of virtual subdistrict, transmission code, signal receiving strength, signal receiving quality, base station identity code, Broadcast Control Channel frequency.
Wherein, in the step 204, GANC AS can also comprise after the IMS terminal sends the response of succeeding in registration:
GANC AS receives the measurement report from the IMS terminal;
GANC AS sends handoff request according to measurement report to MSC, carries target cell information in the handoff request;
GANC AS receives the switching command from MSC, carries target cell information in the switching command;
GANC AS sends switching command to the IMS terminal, the IMS terminal is switched entered the CS territory.
Wherein, GANC AS can also comprise after the IMS terminal sends switching command:
GANC AS receives the resource release message from MSC;
GANC AS discharges the resource that the IMS terminal takies according to resource release message.
Wherein, in the step 204, GANC AS can also comprise after the IMS terminal sends the response message that succeeds in registration:
GANC AS receives the handoff request message from MSC;
GANC AS sends handover request ack message to MSC;
GANC AS receives the switch call message from the IMS terminal;
GANC AS sends the switch call response message to the IMS terminal, the IMS terminal is switched entered the IMS territory.
Wherein, GANC AS also comprises after the IMS terminal sends the switch call response message:
GANC AS sends handoff completion message to MSC, makes MSC send the indication that discharges resource according to handoff completion message to source BSC or RNC.
Wherein, GANC AS can also comprise after MSC sends handover request ack message:
MSC sends switching command to source BSC or RNC, carries the virtual subdistrict ID in IMS territory in the described switching command;
Source BSC or RNC send to the IMS terminal with switching command.
In the embodiments of the invention, by complete technical scheme is provided, realized of registration and IMS terminal the switching CS territory and IMS territory between of IMS terminal to mobile core network, the business that makes the IMS terminal can use mobile core network to provide, and can carry out unified management by mobile core network, and, make the IMS terminal cross-domain switching enter more suitably sub-district of operational environment, improved the service behaviour of IMS terminal.
The embodiment of the invention provides the register method of a kind of IMS terminal to mobile core network, as shown in Figure 3, may further comprise the steps:
Step 301, the IMS terminal is registered and authentication in the IMS territory.
Step 302, the S-CSCF in IMS territory (Serving Call Session Control Function, service call session control function entity) triggers the IMS endpoint registration to GANC AS.
Step 303, S-CSCF transmits the SIP register requirement to GANC AS.
Step 304, GANC AS is according to the attribute data of IMS terminal, obtain the IMS terminal at the IMSI in CS territory (international mobile subscriber identity, international mobile subscriber identity) information, with portable terminal of this IMS terminal simulation, send position updating request (Location Update Request) to MSC, LAI subsidiary in this message can obtain from the P-Access-Network-Info of register requirement, or the virtual LAI of the local configuration of GANC AS.
Step 305, MSC starts the network authentication process, and MSC sends authentication request (Authentication Request) to GANC AS, in this request message, has carried the random value of this authentication, as RAND parameter or AUTN parameter.
Step 306, for the various SIP Phone of compatibility, GANC AS can not allow sip terminal participate in authentication process directly, for this reason, disposes private information and authentication arithmetic type that subscription authentication is used in GANC AS, and supports corresponding 2G/3G corresponding authentication algorithm etc.GANC AS utilizes these information, and the authentication request parameters such as RAND, AUTN of carrying, and replaces the response of user's compute authentication.
Step 307, calculate Authentication Response after, GANC AS returns Authentication Response (Authentication Response) message to MSC.
Step 308, MSC may indicate GANC AS to carry out ciphering process, sends the request of encrypting (Ciphering Request) to GANC AS.
Step 309, because mobile network's encryption is only limited to air interface, and IMS-Based GANC system does not have the air interface of real meaning, so IMS-Based GANC AS simply replys encrypted response and gets final product.
Step 310, MSC may initiate the heavy assignment messages of TMSI (Temperate Mobile SubscriberIdentity, interim mobile identification code) to give IMS terminal distribution TMSI to GANC AS.
Step 311, MSC completing place are upgraded and are handled, and upgrade response message to GANC AS home position.
Step 313, as detecting the heavy assigning process of TMSI in the 310th step or the 311st step, then GANC AS writes down this TMSI for the IMS terminal of initiating registration, the IMS terminal TMSI record in the past that this initiation registration is arranged as GANC AS, then cover old TMSI with new TMSI, as GANC AS the record of this TMSI of use of other IMS terminal is arranged, then remove this record.
Step 314, process has comprised the heavy assigning process of TMSI as described above, and then GANC AS returns TMSI to MSC and has heavily assigned (TMSI Reallocation Complete) message.
Step 315, in order to support to strengthen the switching between IMS terminal realization IMS territory and CS territory, GANCAS may be to S-CSCF transmitting system related news, indication GANC AS simulation system information of subdistricts.System information can comprise: information such as location area, transmission code, signal receiving strength, signal receiving quality, base station identity code, Broadcast Control Channel frequency; Location area/transmission code can be the local configuration of GANC AS, also can obtain from the P-Access-Network-Info of registration message.These system informations transmit by sip message, as MESSAGE message etc.May after successfully registering, initiatively send these system informations of acquisition request to GANC AS.Consider that the SIP affairs may fail, retransmit failure etc. such as message, GANC AS may resend system information every a period of time after receiving " 408 Request Timeout " failure response; If still receive and can stop failure response to this IMS terminal transmitting system information.
In the embodiments of the invention,, realized of the registration of IMS terminal to core network by complete technical scheme is provided, the business that makes the IMS terminal can use mobile core network to provide, and can carry out unified management by mobile core network.
The embodiment of the invention provides the changing method of a kind of IMS terminal from the IMS territory to the CS territory, as shown in Figure 4, may further comprise the steps:
Step 401, the IMS terminal has been finished the registration of mobile core network, the IMS terminal constantly detects the signal of peripheral CS network, and periodically by the measurement report of sip message to GANC AS transmission adjacent cells, measurement report comprises sub-district that this GANC AS is virtual and six signal receiving strength, signal receiving quality, base station identity code, Broadcast Control Channel frequency and the discontinuous transmission information etc. of strong adjacent sub-district, and they are encapsulated in the message body of sip message or the header field and transmit.
Step 402, GANC AS this locality dispose signal receiving strength, the signal receiving quality equivalence of virtual subdistrict, with the judgement that is used to switch.When GANC AS when measurement report is judged the more suitable conversation of peripheral cell, GANC AS sends handoff request (Handover Required) by the A interface to MSC.
Step 403, BSC (Base Station Controller, base station controller) or the RNC (Radio Network Controller, radio network controller) of MSC under switching target small area initiates handoff request.
Step 404, MSC sends switching command (Handover Command) to GANC AS can switch to Target cell with the IMS terminal with indication GANC AS, and this request has comprised the target cell information that switches.
Step 405, GANC AS carries switching command by sip message, and this switching command is sent to the IMS terminal.
Step 406, the IMS terminal is returned handoff response to GANC AS.
Step 407, IMS terminal are finished the handover operation that inserts the CS territory.
BSC under the step 408, switching target small area or RNC send to switch to MSC and finish indication, and at this moment the IMS terminal begins to send and receiving media stream by the CS network.
Step 409, MSC sends release command (Clear Command) message to GANC AS, discharges the related resource that this IMS terminal takies in the IMS territory with indication GANC AS.
Step 410, GANC AS begins to discharge the SIP session that this IMS terminal is set up at IMS, and sends the request of release to the IMS terminal.
Step 411, IMS terminal are returned to GANC AS and are discharged response, and the SIP session is released.
Step 412, GANC AS returns to discharge to MSC and finishes (Clear Complete) message.
Step 413, GANC AS is by Mc interface, discharges the media channel of the MGW that this IMS terminal takies.
In the embodiments of the invention,, realized of the switching of IMS terminal, made the IMS terminal cross-domain switching enter more suitably sub-district of operational environment, improved the service behaviour of IMS terminal from the IMS territory to the CS territory by complete technical scheme is provided.
The embodiment of the invention provides the changing method of a kind of IMS terminal from the CS territory to the IMS territory, as shown in Figure 5, may further comprise the steps:
Step 501, the IMS terminal in the CS territory constantly detect the signal of peripheral CS wireless network and the IP access network wireless signal of IMS.If IP access network wireless signal strength and quality are suitable, the IMS terminal will proceed to the registration of mobile core network in the IMS territory of IP access network wireless signal correspondence, in registration process, GANC AS has sent the information of its virtual sub-district to terminal, comprises the signal strength signal intensity of virtual subdistrict and quality etc.
Step 502, strengthen terminal and periodically send measurement report to the BSC or the RNC of current access sub-district, CS territory, measurement report has comprised signal receiving strength, signal receiving quality, base station identity code, Broadcast Control Channel frequency and the discontinuous transmission information etc. of GANC AS virtual subdistrict.
BSC under the step 503, sub-district, current C S territory or RNC decision switch to the GANCAS virtual subdistrict with calling, send handoff request (Handover Required) to MSC for this reason, and instruct MS C initiates to switch to GANC AS virtual subdistrict.
Step 504, MSC sends handoff request to GANC AS, and indication GANC AS prepares to switch.
Step 505, GANC AS returns switching response message.
Step 506, BSC or the RNC switching command (HandoverCommand) of MSC under sub-district, current C S territory switches to Target cell with indication IMS terminal with calling, and this request has comprised the virtual subdistrict ID of GANC AS.
BSC under the step 507, sub-district, current C S territory or RNC send switching command to the IMS terminal.
Step 508, IMS terminal begin the network at IMS, send switch call, and this handoff request destination address is one and switches PSI.
Step 509, S-CSCF is routed to switch call the GANC AS of this PSI correspondence.
Step 510, GANC AS begins by Mc interface, to MGW medium application media channel.
Step 511, GANC AS sends change detection (Handover Detect) message to MSC, begins to switch with indication.
Step 513, S-CSCF is forwarded to " 200OK " response and strengthens the IMS terminal.
Step 516, GANC AS sends to switch to MSC and finishes (Handover Complete) message, switches with indication and finishes, and at this moment strengthens the IMS terminal and begins to send Media Stream by the IMS network.
Step 517, MSC sends clear command (Clear Command) to source BSC or RNC, discharges the resource that this IMS terminal takies to indicate it.
Step 518, source BSC or RNC discharge the Radio Resource that the IMS terminal takies, and return to remove and finish (Clear Complete) message.
In the embodiments of the invention,, realized of the switching of IMS terminal, made the IMS terminal cross-domain switching enter more suitably sub-district of operational environment, improved the service behaviour of IMS terminal from the CS territory to the IMS territory by complete technical scheme is provided.
The embodiment of the invention provides a kind of equipment of realizing network registry, as shown in Figure 6, comprises receiver module 601 and sending module 602:
Sending module 602 is used for sending position updating request according to the register requirement that receiver module 601 receives to MSC, sends the response of succeeding in registration to described IMS terminal.
Wherein, also comprise Authentication Response computing module 603,
Authentication Response computing module 603 is used for after the authentication request that receiver module 601 receives from described MSC, according to the algorithm computation Authentication Response of configuration;
Then sending module 602, also are used for sending the Authentication Response that described Authentication Response computing module 603 calculates to described MSC.
Wherein,
Sending module 602 also is used for sending encrypted response to described MSC.
Wherein,
Sending module 602 also is used for sending the TMSI Reallocation Complete message to described MSC.
Wherein,
Sending module 602 also is used for the system information to described IMS terminal transmission virtual subdistrict.System information can comprise one or more in the following parameter: the location area of virtual subdistrict, transmission code, signal receiving strength, signal receiving quality, base station identity code, Broadcast Control Channel frequency.
Wherein,
Sending module 602 also is used for sending handoff request according to described measurement report to MSC, carries target cell information in the described handoff request, sends described switching command to described IMS terminal, described IMS terminal is switched entered the CS territory.
Wherein, also comprise resource release module 604,
Wherein,
Sending module 602 also is used for sending switching request response to described MSC, sends the switch call response to described terminal, described IMS terminal is switched entered the IMS territory.
Wherein,
Sending module 602 also is used for sending handoff completion message to described MSC, makes described MSC send the indication that discharges resource according to handoff completion message to source BSC or RNC.
Wherein, the equipment of described realization network registry can be GANC AS.
In the embodiments of the invention, by complete technical scheme is provided, realized of registration and IMS terminal the switching CS territory and IMS territory between of IMS terminal to mobile core network, the business that makes the IMS terminal can use mobile core network to provide, and can carry out unified management by mobile core network, and, make the IMS terminal cross-domain switching enter more suitably sub-district of operational environment, improved the service behaviour of IMS terminal.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, also can realize by the mode that software adds necessary general hardware platform, based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
In a word, the above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (19)
1. the method for a network registry is characterized in that, may further comprise the steps:
Moving exchanging center MSC is configured to a circuit domain CS domain system with internet protocol multi-media sub-system IMS territory, described IMS network becomes an access network in described CS territory, and general access network controller application server GANC AS realizes the conversion of user's face by media gateway MGW of Mc interface control;
Described GANC AS receives the register requirement from internet protocol multi-media sub-system IMS terminal;
Described GANC AS sends position updating request according to described register requirement to moving exchanging center MSC;
Described GANC AS receives from the position of described MSC and upgrades response;
Described GANC AS sends the response of succeeding in registration to described IMS terminal.
2. the method for claim 1 is characterized in that, described GANC AS, also comprises after MSC sends position updating request according to described register requirement:
Described GANC AS receives the authentication request from described MSC;
Described GANC AS is according to the algorithm computation Authentication Response of configuration;
Described GANC AS sends described Authentication Response to described MSC.
3. the method for claim 1 is characterized in that, described GANC AS, also comprises after MSC sends position updating request according to register requirement:
Described GANC AS receives the encryption request from described MSC;
Described GANC AS sends encrypted response to described MSC.
4. the method for claim 1 is characterized in that, described GANC AS, also comprises after MSC sends position updating request according to register requirement:
Described GANC AS receives and writes down the interim mobile identification code TMSI from described MSC;
Then described GANC AS also comprises after described terminal sends the response of succeeding in registration:
Described GANC AS sends the TMSI Reallocation Complete message to described MSC.
5. the method for claim 1 is characterized in that, described GANC AS also comprises after described IMS terminal sends the response of succeeding in registration:
Described GANC AS sends the system information of virtual subdistrict to described IMS terminal.
6. the method for claim 1 is characterized in that, described GANC AS also comprises after described IMS terminal sends the response of succeeding in registration:
Described GANC AS receives the measurement report from described IMS terminal;
Described GANC AS sends handoff request according to described measurement report to MSC, carries target cell information in the described handoff request;
Described GANC AS receives the switching command from described MSC, carries described target cell information in the described switching command;
Described GANC AS sends described switching command to described IMS terminal, described IMS terminal is switched entered circuit domain CS territory.
7. method as claimed in claim 6 is characterized in that, described GANC AS also comprises after the IMS terminal sends described switching command:
Described GANC AS receives the resource release message from described MSC;
Described GANC AS discharges the resource that described IMS terminal takies according to described resource release message.
8. the method for claim 1 is characterized in that, described GANC AS also comprises after described IMS terminal sends the response of succeeding in registration:
Described GANC AS receives the handoff request from MSC;
Described GANC AS sends handoff response to described MSC;
Described GANC AS receives the switch call from described IMS terminal;
Described GANC AS sends the switch call response to described IMS terminal, described IMS terminal is switched entered the IMS territory.
9. method as claimed in claim 8 is characterized in that, described GANCAS also comprises after the IMS terminal sends the switch call response:
Described GANC AS sends handoff completion message to described MSC, makes described MSC send the indication that discharges resource according to handoff completion message to base station controller BSC or radio network controller (RNC).
10. method as claimed in claim 8 is characterized in that, described GANC AS also comprises after described MSC sends handoff response:
Described MSC sends switching command to source BSC or RNC, carries the virtual subdistrict sign in IMS territory in the described switching command;
Described source BSC or RNC send to described IMS terminal with described switching command.
11. an equipment of realizing network registry is characterized in that, comprises receiver module and sending module:
Described receiver module, be used for internet protocol multi-media sub-system IMS territory being configured to a circuit domain CS domain system when moving exchanging center MSC, described IMS network becomes an access network in described CS territory, general access network controller application server GANC AS realizes after the conversion of user's face by media gateway MGW of Mc interface control, reception receives from the position of MSC and upgrades response from the register requirement of IMS terminal;
Described sending module, the register requirement that is used for receiving according to described receiver module sends position updating request to described MSC, sends the response of succeeding in registration to described IMS terminal.
12. equipment as claimed in claim 11 is characterized in that, also comprises the Authentication Response computing module:
Described Authentication Response computing module is used for after the authentication request of described receiver module reception from described MSC, according to the algorithm computation Authentication Response of configuration;
Then described sending module also is used for sending the Authentication Response that described Authentication Response computing module calculates to described MSC.
13. equipment as claimed in claim 11 is characterized in that,
Described receiver module also is used to receive the encryption request from described MSC;
Described sending module also is used for sending encrypted response to described MSC.
14. equipment as claimed in claim 11 is characterized in that,
Described receiver module also is used to receive and write down the TMSI from described MSC;
Described sending module also is used for sending the TMSI Reallocation Complete message to described MSC.
15. equipment as claimed in claim 11 is characterized in that,
Described sending module also is used for the system information to described IMS terminal transmission virtual subdistrict.
16. equipment as claimed in claim 11 is characterized in that,
Described receiver module also is used to receive the measurement report from described IMS terminal, receives the switching command from described MSC, carries target cell information in the described switching command;
Described sending module also is used for sending handoff request according to described measurement report to MSC, carries target cell information in the described handoff request, sends described switching command to described IMS terminal, described IMS terminal is switched entered the CS territory.
17. equipment as claimed in claim 11 is characterized in that, also comprises the resource release module:
Described resource release module is used for after the resource release message of described receiver module reception from described MSC, and the resource release message that receives according to described receiver module discharges the resource that described IMS terminal takies.
18. equipment as claimed in claim 11 is characterized in that,
Described receiver module is used to receive the handoff request from MSC, receives the switch call from described IMS terminal;
Described sending module is used for sending switching request response to described MSC, sends the switch call response to described IMS terminal, described terminal is switched entered the IMS territory.
19. equipment as claimed in claim 18 is characterized in that,
Described sending module also is used for sending handoff completion message to described MSC, makes described MSC send the indication that discharges resource according to described handoff completion message to BSC or RNC.
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| CN2008101883694A CN101442801B (en) | 2008-12-25 | 2008-12-25 | Method and apparatus for registering network |
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| CN2008101883694A CN101442801B (en) | 2008-12-25 | 2008-12-25 | Method and apparatus for registering network |
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| CN101442801B true CN101442801B (en) | 2011-09-21 |
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| CN102088749B (en) * | 2009-12-04 | 2013-05-15 | 中国移动通信集团公司 | Method and system for updating and switching terminal position |
| CN102612017B (en) * | 2011-01-19 | 2017-06-13 | 中兴通讯股份有限公司 | Mobile network obtains the method and system of IMS control point information |
| CN102273296B (en) * | 2011-02-01 | 2014-12-03 | 华为技术有限公司 | Processing method, communication device, communication system and user equipment for resource release |
| CN102740403B (en) * | 2011-04-02 | 2015-03-11 | 上海贝尔股份有限公司 | Method and apparatus for access in terminal of communication network |
| WO2014101206A1 (en) * | 2012-12-31 | 2014-07-03 | 华为技术有限公司 | Method for detecting wireless local area network, access network and core network devices and access point |
| CN105635098B (en) * | 2015-07-14 | 2019-04-12 | 宇龙计算机通信科技(深圳)有限公司 | The register method and system of IMS network |
| CN108668327B (en) * | 2018-04-23 | 2021-04-13 | 北京小米移动软件有限公司 | Communication method and device of mobile terminal |
| CN109194687B (en) * | 2018-10-17 | 2021-07-27 | Oppo广东移动通信有限公司 | Method for managing IMS registration, electronic device and computer readable storage medium |
| CN113812176B (en) * | 2019-05-17 | 2023-03-31 | 华为技术有限公司 | Network selection system and terminal equipment |
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2008
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