CN104219202B

CN104219202B - Realize method, system and the HSS of VoLTE business

Info

Publication number: CN104219202B
Application number: CN201310211110.8A
Authority: CN
Inventors: 李中科; 朱玉娜
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2013-05-30
Filing date: 2013-05-30
Publication date: 2018-11-02
Anticipated expiration: 2033-05-30
Also published as: CN104219202A

Abstract

The invention discloses a kind of methods for realizing VoLTE business, including step：IMS HSS receive the user data operation requests of service set and the VoLTE business of application server for continuity initiation, and user data operation requests are forwarded to HLR/EPC HSS；HLR/EPC HSS are operated accordingly according to user data operation requests, and return to operating result to IMS HSS；Operating result is sent to service set and application server for continuity by IMS HSS with user data operation response message.The invention also discloses a kind of IMS HSS and HLR/EPC HSS, and the system for realizing VoLTE business including IMS HSS and HLR/EPC HSS.Using scheme disclosed in this invention, realizes in the case where HLR/EPC HSS and IMS HSS are independently disposed, pass through the interaction between HLR/EPC HSS and IMS HSS so that the related service of VoLTE is carried out.

Description

Realize method, system and the HSS of VoLTE business

Technical field

The present invention relates to mobile communication technology field, be related specifically to a kind of method that realizing VoLTE business, system and IMS HSS and HLR/EPC HSS.

Background technology

Forth generation radio data network（Long Term Evolution, LTE）It is the new generation broadband of current international mainstream Wireless mobile telecommunication technology is cannot to provide circuit domain business as traditional 2G/3G networks towards packet switch domain service, Therefore how to provide speech business in LTE network becomes the problem that industry is paid close attention to.For this purpose, third generation partner program （3rd Generation Partnership Project, 3GPP）It is to use that specification, which defines LTE and mobile network's evolution target, The IP multimedia subsystem, IMS of Internet protocol IP（IP Multimedia Subsystem, IMS）Provide a user multi-media voice industry Business, IMS is as Service control layer system, the data core net of LTE and evolution at this time（Evolved Packet Core, EPC）Only As bearing bed.

3GPP is directed to the voice based on LTE（Voice over LTE, VoLTE）The problem of deployment, has standardized enhancing Single wireless voice calling continuity（Enhanced Single Radio Voice Call Continuity, enhanced SRVCC）, exhale access domain selection eventually（Terminating-Access Domain Selection, T-ADS）Etc. solutions or Flow.And in these schemes, 3GPP is by IMS home subscriber servers（IMS Home Subscriber Server, IMS HSS）, home location register（Home Location Register, HLR）With EPC home subscriber servers（EPC Home Subscriber Server, EPC HSS）In unification to " HSS " scope of a broad sense, 3GPP thinks that operator is unified Dispose HLR/EPC HSS and IMS HSS, or individually deployment HLR/EPC HSS and IMS HSS, the range not defined in specification It is interior, when individually being disposed to these network elements, introduced by above-mentioned flow they between interactive standards more do not refer to.And In fact, what HLR/EPC HSS and the IMS HSS of current operator deployment were typically separately disposed, due to HLR/EPC HSS It can not be interacted with IMS HSS, thus the related services such as enhancing SRVCC and T-ADS based on LTE can not be carried out.

Invention content

The main object of the present invention is to provide a kind of method, system and HSS for realizing VoLTE business, can be in HLR/EPC In the case that HSS and IMS HSS are independently disposed, pass through the interaction between HLR/EPC HSS and IMS HSS so that the phase of VoLTE Pass business is carried out.

The present invention provides a kind of method for realizing VoLTE business, including step：

The VoLTE business that IMS home subscriber server IMS HSS receive service set and application server for continuity is initiated User data operation requests, the user data operation requests are forwarded to home location register and EPC home subscribers and are taken Be engaged in device HLR/EPC HSS；

HLR/EPC HSS are operated accordingly according to the user data operation requests, and return to operating result to IMS HSS；

The operating result is sent to service set and continuity application by IMS HSS with user data operation response message Server.

Preferably, the user data operation requests of the VoLTE business include：

When the VoLTE business is the single wireless voice calling continuity business of enhancing, the user data operation Request updates the operation requests of conversation shift number for instruction, or is read for the instruction of service set and application server for continuity initiation Take the operation requests of the single wireless voice calling continuity ability and instruction update conversation shift number at family；

When the VoLTE business is to exhale access domain selection business eventually, the user data operation requests are service set And the end of the instruction inquiry user of application server for continuity initiation exhales the operation requests of access domain selection information；The user's The access domain selection information is exhaled to include eventually：Support the ability of IMS voices, or when ability and latest activities including supporting IMS voices Between, or include support IMS voices ability and latest activities wireless access type, or including support IMS voices ability, recently Activity time and latest activities wireless access type.

Preferably, the IMS HSS receive the user of service set and the VoLTE business of application server for continuity initiation Data operation request, the user data operation requests, which are forwarded to HLR/EPC HSS, includes：

When the single wireless audio call that the user data operation requests that IMS HSS are received are instruction reading user is continuous When sexuality, user data read requests are sent to the HLR/EPC HSS of the user attaching, the single wireless of user is read in request Voice calling continuity capability；

When the user data operation requests that IMS HSS are received are instruction update conversation shift, to the user attaching HLR/EPC HSS send user data update request, request update conversation shift number；

Access domain selection information is exhaled when the end that the user data operation requests that IMS HSS are received are instruction inquiry user When, user data query request is sent to the HLR/EPC HSS of the user attaching, the end of requesting query user exhales access domain selection Information.

Preferably, the HLR/EPC HSS are operated accordingly according to the user data operation requests, and return to behaviour Making result to IMS HSS includes：

When receiving the user data read requests for reading single wireless voice calling continuity ability, will be locally stored User single wireless voice calling continuity ability with user data read response message be back to IMS HSS；

When receiving user data update request, the conversation shift number received is asked by user data update underthrust It asks and is sent to mobile management entity or general packet radio service node；

It, will when receiving the update underthrust response message from mobile management entity or general packet radio service node The result of conversation shift underthrust returns to IMS HSS in the form of user data update responds.

Preferably, the HLR/EPC HSS are operated accordingly according to the user data operation requests, and return to behaviour Making result to IMS HSS further includes：

When receiving user data update request, according to the conversation shift number update local session migration number received；

Judge whether the conversation shift number received is consistent with local session migration number, if so, returning to user data more New response message is to IMS HSS, if it is not, then asking to send out by user data update underthrust by the migration number of updated local session Send to mobile management entity or general packet radio service node, and receive from mobile management entity or general packet without When the update underthrust response message of line service node, it will the result of words migration underthrust is in the form of user data update responds Return to IMS HSS.

When receiving user data query request, initiate to use to mobile management entity and general packet radio service node User data inquires underthrust request, the access domain information of the current tracking area of requesting query and the newer user in current routing area；

What reception mobile management entity and general packet radio service node returned includes current tracking area and currently route The access domain information of the newer user in area, the access domain information of the user of the current tracing section updating and the current road By the access domain information of the newer user in area；

Access domain selection information is exhaled to be back to IMS HSS with user data query response message the end contacted recently.

The present invention also provides a kind of IMS HSS, including：

Forwarding module is asked, the user of the VoLTE business for receiving service set and application server for continuity initiation The user data operation requests are forwarded to HLR/EPC HSS by data operation request；

As a result delivery module, the HLR/EPC HSS for will receive carry out phase according to the user data operation requests The operating result that the operation answered is returned is sent to service set and continuity application service with user data operation response message Device.

Preferably, the request forwarding module is used for：

The present invention also provides a kind of HLR/EPC HSS, including：

Result return module for being operated accordingly according to the user data operation requests, and returns to operation knot Fruit is to IMS HSS.

Preferably, the result return module is used for：

Preferably, the result return module is specifically additionally operable to：

The present invention further provides a kind of system for realizing VoLTE business, including IMS HSS and HLR/EPC HSS, In：

The IMS HSS, the number of users of the VoLTE business for receiving service set and application server for continuity initiation According to operation requests, the user data operation requests are forwarded to HLR/EPC HSS；The operation knot that HLR/EPC HSS are returned Fruit is sent to service set and application server for continuity with user data operation response message；

The HLR/EPC HSS for being operated accordingly according to the user data operation requests, and return to operation As a result to IMS HSS.

Preferably, the user data operation requests of the VoLTE business include：

Preferably, the IMS HSS are specifically used for：

Preferably, the HLR/EPC HSS are used for：

Preferably, the HLR/EPC HSS are additionally operable to：

The present invention as IMS HSS by receiving the VoLTE business that service set and application server for continuity are initiated After user data operation requests, HLR/EPC HSS are forwarded it to, and in HLR/EPC HSS according to user data operation requests It is operated accordingly after returning to operating result to IMS HSS, operating result is operated with user data by IMS HSS and is rung It answers messaging to service set and application server for continuity, realizes through the friendship between HLR/EPC HSS and IMS HSS Mutually so that the related service of VoLTE is carried out.

Description of the drawings

Fig. 1 is the flow diagram for one embodiment of method that the present invention realizes VoLTE business；

Fig. 2 is that IMS HSS forward user data operation requests to HLR/EPC in the method for the invention for realizing VoLTE business The flow diagram of HSS；

Fig. 3 is that HLR/EPC HSS return to operating result to IMS HSS first in the method for the invention for realizing VoLTE business The flow diagram of kind embodiment；

Fig. 4 is that HLR/EPC HSS return to operating result to IMS HSS second in the method for the invention for realizing VoLTE business The flow diagram of kind embodiment；

Fig. 5 is that HLR/EPC HSS return to operating result to IMS HSS thirds in the method for the invention for realizing VoLTE business The flow diagram of kind embodiment；

Fig. 6 is the structural schematic diagram of mono- embodiments of IMS HSS of the present invention；

Fig. 7 is the structural schematic diagram of mono- embodiments of HLR/EPC HSS of the present invention；

Fig. 8 is the structural schematic diagram for one embodiment of system that the present invention realizes VoLTE business.

The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.

Specific implementation mode

It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.

The present invention provides a kind of method for realizing VoLTE business, in the feelings that IMS HSS and HLR/EPC HSS are independently disposed Under condition, pass through the interaction of IMS HSS and HLR/EPC HSS so that enhancing SRVCC and T-ADS etc. is obtained with the relevant business of VoLTE To carry out.The embodiment of the present invention is illustrated for enhancing SRVCC business and T-ADS, can also this method be applied to it He and the relevant business of VoLTE.

Referring to Fig.1, Fig. 1 is the flow diagram for one embodiment of method that the present invention realizes VoLTE business.

The method for the realization VoLTE business that the present embodiment is provided, including step：

Step S10, IMS HSS receive the number of users of service set and the VoLTE business of application server for continuity initiation According to operation requests, user data operation requests are forwarded to HLR/EPC HSS；

When IMS HSS receive service set and application server for continuity SCC AS are initiated is used to indicate and VoLTE In relevant business, after the user data operation requests of the VoLTE business operated to user data, with HLR/EPC HSS It interacts, i.e., the user data operation requests is forwarded to HLR/EPC HSS, HLR/EPC HSS are according to user data for request Operation requests operate user data accordingly.May include the list of enhancing with the relevant business of VoLTE in the present embodiment One wireless voice call continuity business and end exhale the speech businesses such as input field business；When VoLTE business is the single of enhancing When wireless voice call continuity business, user data operation requests can be the operation requests of instruction update conversation shift number, Or the single wireless voice calling continuity for indicating to read user that service set and application server for continuity are initiated The operation requests of ability and instruction update conversation shift number；When VoLTE business is to exhale access domain selection business eventually, user data Operation requests are to exhale access domain selection information at the end of the instruction inquiry user of service set and application server for continuity initiation Operation requests；It may include supporting the ability of IMS voices that the end of user, which exhales access domain selection information, can also include supporting IMS The ability of voice and latest activities time can also include the ability and latest activities wireless access type for supporting IMS voices, also May include ability, latest activities time and the latest activities wireless access type for supporting IMS voices.

User data operation requests are forwarded with reference to IMS HSS in the method that Fig. 2, Fig. 2 are present invention realization VoLTE business extremely The flow diagram of HLR/EPC HSS.

In the present embodiment, step S10 specifically includes step S11, step S12 and step S13；When IMS HSS are received User data operation requests when being the single wireless voice calling continuity ability that user is read in instruction, execute step S11；When When the user data operation requests that IMS HSS are received are instruction update conversation shift, step S12 is executed；When IMS HSS connect The user data operation requests received are when exhaling access domain selection information at the end of instruction inquiry user, to execute step S13；

Step S11 sends user data read requests to the HLR/EPC HSS of user attaching, and the list of user is read in request One wireless voice call continuity capability；

When IMS HSS, which receive instruction, reads the single wireless voice calling continuity ability of user, then to the user The HLR/EPC HSS of ownership send user data read requests, ask the single wireless language that user is read from the ends HLR/EPC HSS Voice call continuity ability.In the present embodiment, user is executing packet switch（Packet Switching, PS）Attachment or evolution Grouping system（Evolved Packet System, EPS）In attaching process, mobile management entity（Mobile Management Entity, MME）Or general packet radio service technology（General Packet Radio Service, GPRS）Service section Point（Serving GPRS Support Node, SGSN）It can update and ask to HLR/EPC HSS network element launch positions, in request Carry the single wireless voice calling continuity SRVCC abilities of user；HLR/EPC HSS network elements receive position updating request with Afterwards, the information of service node, the SRVCC abilities of the user carried in record request, and underthrust user contracting data are updated to MME Or SGSN, the STN-SR being locally stored is included in user contracting data；The SRVCC abilities for the user that HLR/EPC HSS are stored And STN-SR is used to provide corresponding data to IMS HSS after receiving the user data operation requests that IMS HSS are sent Operating result.

User is during executing IMS registration, access migration control function（Access Transfer Control Function, ATCF）Decision executes enhancing SRVCC processes, and ATCF distributes a dynamic STN-SR, is recorded as vSTN- SR, and it is carried to call session control function in SIP registration message（Call Session Control Function, CSCF）Network element；CSCF network elements initiate the third party logon procedure to service set and application server for continuity, send session setup Agreement（Session Initiation Protocol, SIP）Login request message gives SCC AS, wherein carrying vSTN-SR；SCC After AS receives SIP registration request, SCC AS execute third-party registration flow, are read to IMS HSS by Sh interface user data Request, request is taken to read the SRVCC abilities of user.

IMS HSS send user data read requests to the HLR/EPC HSS of user attaching, can pass through the movement of extension Application protocol（Mobile Application Protocol, MAP）Any Time Interrogation operates（Any Time Interrogation, ATI）Request message is sent to HLR/EPC HSS, and HLR/EPC HSS are responded accordingly to IMS HSS It is to return to operating result by MAP ATI response messages to give IMS HSS when operating result；IMS HSS can also use standard Sh interface message user's request of data（User Data Request, UDR）Realize, IMS HSS by Sh interface UDR to HLR/EPC HSS send request message, the SRVCC ability informations of user are read in request, and HLR/EPC HSS will be locally stored The SRVCC ability informations of user pass through Sh interface user data requests（User Data Answer, UDA）Response message returns Give IMS HSS.

Step S12 sends user data update request, request update conversation shift to the HLR/EPC HSS of user attaching Number；

When the user data operation requests that IMS HSS are received are instruction update conversation shift, to user attaching HLR/EPC HSS send user data update request, and request HLR/EPC HSS are according to the dynamic session migration number update distributed Local session migration number included in user contracting data of the underthrust user contracting data to MME or SGSN.In the present embodiment, IMS HSS send user data update request to HLR/EPC HSS, can be changed by the MAP random times of extension（Any Time Modification, ATM）Request message is sent to HLR/EPC HSS, and HLR/EPC HSS change STN-SR information Afterwards, MAP ATM response messages are returned to and gives IMS HSS；It can also be realized by the Sh interface message of standard, IMS HSS pass through Sh interface configuration update request（Profile-Update-Request, PUR）Request message is sent to HLR/EPC HSS, and After HLR/EPC HSS modification STN-SR information, Sh interface configuration update response is returned（Profile-Update-Answer, PUA） Message gives IMS HSS.

Step S13 sends user data query request to the HLR/EPC HSS of the user attaching, requesting query user's Access domain selection information is exhaled eventually.

Access domain selection information is exhaled when the end that the user data operation requests that IMS HSS are received are instruction inquiry user When, user data query request is sent to the HLR/EPC HSS of the user attaching, requesting query user's includes supporting IMS languages The end of the information such as ability, latest activities time and the latest activities wireless access type of sound exhales access domain selection information.IMS HSS User data query request is sent to HLR/EPC HSS, request message can be sent to HLR/EPC HSS by MAP ATI, The T-ADS information of user is returned to IMS HSS by HLR/EPC HSS by MAP ATI response messages；IMS HSS can also lead to It crosses Sh interface UDR and sends request message to HLR/EPC HSS, the T-ADS information of user is passed through Sh interface by HLR/EPC HSS UDA response messages return to IMS HSS.

Step S20, HLR/EPC HSS is operated accordingly according to user data operation requests, and returns to operating result To IMS HSS；

After receiving the user data operation requests that IMS HSS are sent, HLR/EPC HSS are operated according to the user data Request is operated accordingly, and operating result is back to IMS HSS.

Operating result is returned to IMS with reference to HLR/EPC HSS in the method that Fig. 3, Fig. 3 are present invention realization VoLTE business The flow diagram of the first embodiment of HSS.

In the present embodiment, step S20 includes：

Step S21 will when receiving the user data read requests for reading single wireless voice calling continuity ability The single wireless voice calling continuity ability for the user being locally stored reads response message with user data and is back to IMS HSS；

Step S22, when receiving user data update request, more by user data by the conversation shift number received New underthrust request is sent to mobile management entity or general packet radio service node, and comes from mobile management entity receiving Or general packet radio service node update underthrust response message when, it will words migration underthrust result with user data more The form newly responded returns to IMS HSS.

When HLR/EPC HSS receive the user data read requests of the single wireless voice calling continuity ability of user When, the single wireless audio call of the user carried in the position updating request of the MME being locally stored or SGSN transmissions is continuous Property SRVCC abilities with user data read response message be back to IMS HSS.

When HLR/EPC HSS receive user data update request, dynamic session migration number that ATCF is distributed VSTN-SR is sent to MME or SGSN, i.e., sends the request of user data update underthrust to MME or SGSN, request will be under vSTN-SR It is inserted to MME or SGSN, after MME or SGSN underthrusts operate successfully, the operation of data underthrust is used to indicate to HLR/EPC HSS returns Successful data underthrust success response message.

It is rung from the update underthrust of mobile management entity or general packet radio service node when HLR/EPC HSS are received When answering message, it will the result of words migration underthrust returns to IMS HSS in the form of user data update responds.

Operating result is returned to IMS with reference to HLR/EPC HSS in the method that Fig. 4, Fig. 4 are present invention realization VoLTE business The flow diagram of second of embodiment of HSS.

In the present embodiment, step S20 further includes：

Step S24 updates local session when receiving user data update request according to the conversation shift number received Migration number；

Step S25 judges whether the conversation shift number received is consistent with local session migration number, if so, executing step Rapid S251；If it is not, thening follow the steps S252；

Step S251 returns to user data update response message to IMS HSS；

The migration number of updated local session is sent to moving tube by step S252 by the request of user data update underthrust Entity or general packet radio service node are managed, and mobile management entity or general packet radio service node are come from receiving Update underthrust response message when, it will words migration underthrust result by user data update response in the form of return to IMS HSS。

When HLR/EPC HSS receive user data update request, the dynamic session migration number that is distributed according to ATCF VSTN-SR updates local session migration number included in user contracting data of the underthrust user contracting data to MME or SGSN STN-SR.Then, judge whether STN-SR and vSTN-SR is consistent, it is such as consistent, then it will more by user data update response message New result is back to IMS HSS；It is such as inconsistent, then updated vSTN-SR is sent to MME or SGSN, i.e., to MME or SGSN The request of user data update underthrust is sent, after MME or SGSN underthrusts operate successfully, update underthrust response message can be returned extremely HLR/EPC HSS are operated successfully with designation date underthrust；After HLR/EPC HSS receive update underthrust response message, it will words The result of migration underthrust returns to IMS HSS in the form of user data update responds.

Operating result is returned to IMS with reference to HLR/EPC HSS in the method that Fig. 5, Fig. 5 are present invention realization VoLTE business The flow diagram of the third embodiment of HSS.

In the present embodiment, step S20 further includes：

Step S26 initiates user data query underthrust when receiving user data query request to mobile management entity The end of request, the current tracking area of requesting query and the newer user in current routing area exhale access domain selection information；

When HLR/EPC HSS receive user data query request, initiates S6a Interface User data underthrusts to MME and ask Ask message, the current tracking area of requesting query（Tracking Area, TA）PS sessions on it is newer include User support IMS The end of the information such as ability, latest activities time and the latest activities wireless access type of voice exhales access domain selection information；Meanwhile S6d Interface User data underthrust request messages, the update of requesting query current routing area are sent to SGSN（Route Area Update, RA）PS sessions on include User support IMS voices ability, latest activities time and latest activities wirelessly connect The end for entering the information such as type exhales access domain selection information, HLR/EPC HSS to send user data query request to SGSN, can also Offer user information PROVIDE the SUBSCRIBER INFORMATION, PSI of MAP interfaces are provided）Operation requests message reaches To same purpose.

Step S27, receive mobile management entity return includes current tracking area and the newer user in current routing area Access domain selection information, the end of the user of more current tracing section updating is exhaled to exhale access domain selection information and current routing area more eventually The end of new user exhales access domain selection information；

The end contacted recently is exhaled access domain selection information to be back to IMS with user data query response message by step S28 HSS。

HLR/EPC HSS receive the S6a Interface User data underthrust response messages that MME is returned, wherein comprising current TA The end of user exhales the S6d Interface User data underthrust response messages that access domain selection information and SGSN return in PS sessions, In in the PS sessions comprising current RA the end of user exhale access domain selection information, SGSN can also return to MAP to HLR/EPC HSS PSI operation response messages reach same purpose.Then, the end of the user of more current tracing section updating exhales access domain selection to believe The end of breath and the newer user in current routing area exhale access domain selection information, and according to comparison result, the end contacted recently is exhaled Access domain selection information is back to IMS HSS with user data query response message.

Operating result is sent to service set and continuity by step S30, IMS HSS with user data operation response message Application server.

It is returned when IMS HSS are received after HLR/EPC HSS carry out operation accordingly according to user data operation requests Operating result after, by operating result with user data operation response message be sent to service set and continuity application service Device realizes the development with the relevant business of VoLTE such as SRVCC and T-ADS to indicate corresponding operating result.

The present embodiment passes through when the VoLTE business that IMS HSS receive service set and application server for continuity is initiated User data operation requests after, forward it to HLR/EPC HSS, and asked according to user data operation in HLR/EPC HSS It asks after being operated accordingly and returning to operating result to IMS HSS, is operated operating result with user data by IMS HSS Response message is sent to service set and application server for continuity, realizes by between HLR/EPC HSS and IMS HSS Interaction so that the related service of VoLTE is carried out.

The present invention also provides a kind of IMS HSS.

It is the structural schematic diagram of mono- embodiments of IMS HSS of the present invention with reference to Fig. 6, Fig. 6.

Forwarding module 101 is asked, the use of the VoLTE business for receiving service set and application server for continuity initiation User data operation requests are forwarded to HLR/EPC HSS by user data operation requests；

As a result delivery module 102, the HLR/EPC HSS for will receive carry out corresponding according to user data operation requests The operating result that is returned of operation, service set and continuity application service are sent to user data operation response message Device.

When IMS HSS receive service set and application server for continuity SCC AS are initiated is used to indicate and VoLTE In relevant business, after the user data operation requests of the VoLTE business operated to user data, with HLR/EPC HSS It interacts, i.e., by asking forwarding module 101 that the user data operation requests are forwarded to HLR/EPC HSS, asks HLR/ EPC HSS operate user data according to user data operation requests accordingly.

May include the single wireless voice calling continuity business of enhancing with the relevant business of VoLTE in the present embodiment And exhale the speech businesses such as input field business eventually；When VoLTE business is the single wireless voice calling continuity business of enhancing, User data operation requests can be the operation requests of instruction update conversation shift number, or service set and continuity are answered The single wireless voice calling continuity ability of user is read with the instruction that server is initiated and indicates update conversation shift number Operation requests；When VoLTE business is to exhale access domain selection business eventually, user data operation requests are service set and continuity The end for the instruction inquiry user that application server is initiated exhales the operation requests of access domain selection information；The end of user exhales input field to select It may include supporting the ability of IMS voices to select information, can also include ability and the latest activities time for supporting IMS voices, May include support IMS voices ability and latest activities wireless access type, can also include support IMS voices ability, Latest activities time and latest activities wireless access type.

When HLR/EPC HSS receive user data update request, dynamic session migration number that ATCF is distributed VSTN-SR is sent to MME or SGSN, i.e., sends the request of user data update underthrust to MME or SGSN, request will be under vSTN-SR It is inserted to MME or SGSN, after MME or SGSN underthrusts operate successfully, the operation of data underthrust is used to indicate to HLR/EPC HSS returns Successful data underthrust success response message.IMS HSS receive HLR/EPC HSS and carry out phase according to user data operation requests After the operating result returned after the operation answered, operating result is operated with user data by result delivery module 102 and is rung Messaging is answered to realize SRVCC and T-ADS to service set and application server for continuity to indicate corresponding operating result Deng the development with the relevant business of VoLTE.

In the present embodiment, request forwarding module 101 is specifically used for：

The present invention also provides a kind of HLR/EPC HSS.

It is the structural schematic diagram of mono- embodiments of HLR/EPC HSS of the present invention with reference to Fig. 7, Fig. 7.

The HLR/EPC HSS that the present embodiment is provided, including：

Result return module 201 for being operated accordingly according to user data operation requests, and returns to operating result To IMS HSS.

After receiving the user data operation requests that IMS HSS are sent, the result return module 201 of HLR/EPC HSS It is operated accordingly according to the user data operation requests, and operating result is back to IMS HSS.

In the present embodiment, result return module 201 is specifically used for：

When HLR/EPC HSS receive the user data read requests of the single wireless voice calling continuity ability of user When, by result return module 201 by the list of the user carried in position updating request that the MME being locally stored or SGSN are sent One wireless voice call continuity SRVCC abilities read response message with user data and are back to IMS HSS.

In the present embodiment, result return module 201 is specifically additionally operable to：

The present invention also provides a kind of systems for realizing VoLTE business.

It is the structural schematic diagram for one embodiment of system that the present invention realizes VoLTE business with reference to Fig. 8, Fig. 8.

The system for the realization VoLTE business that the present embodiment is provided, including IMS HSS and HLR/EPC HSS, wherein：

IMS HSS, the user data behaviour of the VoLTE business for receiving service set and application server for continuity initiation It asks, user data operation requests is forwarded to HLR/EPC HSS；The operating result that HLR/EPC HSS are returned is with user Data manipulation response message is sent to service set and application server for continuity；

HLR/EPC HSS for being operated accordingly according to user data operation requests, and return to operating result extremely IMS HSS。

In the present embodiment, IMS HSS are specifically used for：

In the present embodiment, HLR/EPC HSS are used for：

When receiving user data update request, the conversation shift number received is asked by user data update underthrust It asks and is sent to mobile management entity or general packet radio service node.

In the present embodiment, HLR/EPC HSS are additionally operable to：

When receiving user data query request, initiate to use to mobile management entity and general packet radio service node User data is inquired underthrust and is asked, and the end of the current tracking area of requesting query and the newer user in current routing area exhale access domain selection to believe Breath；

What reception mobile management entity and general packet radio service node returned includes current tracking area and currently route The end of the newer user in area exhales access domain selection information, the end of the user of more current tracing section updating to exhale access domain selection information Access domain selection information is exhaled with the end of the newer user in current routing area；

The present embodiment passes through when the VoLTE business that IMS HSS receive service set and application server for continuity is initiated User data operation requests after, forward it to HLR/EPC HSS, and asked according to user data operation in HLR/EPC HSS It asks after being operated accordingly and returning to operating result to IMS HSS, is operated operating result with user data by IMS HSS Response message is sent to service set and application server for continuity, realizes and is independently disposed in HLR/EPC HSS and IMS HSS In the case of, pass through the interaction between HLR/EPC HSS and IMS HSS so that the related service of VoLTE is carried out.

The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every utilization Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations Technical field, be similarly included in the present invention scope of patent protection.

Claims

1. a kind of method for realizing VoLTE business, which is characterized in that including step：

IMS home subscriber server IMS HSS receive the use of service set and the VoLTE business of application server for continuity initiation The user data operation requests are forwarded to home location register and EPC home subscriber servers by user data operation requests HLR/EPC HSS；

The operating result is sent to service set and continuity application service by IMS HSS with user data operation response message Device.

2. the method according to claim 1 for realizing VoLTE business, which is characterized in that the number of users of the VoLTE business Include according to operation requests：

When the VoLTE business is the single wireless voice calling continuity business of enhancing, the user data operation requests The operation requests of conversation shift number are updated for instruction, or are service set and the instruction reading use that application server for continuity is initiated The operation requests of the single wireless voice calling continuity ability and instruction update conversation shift number at family；

When the VoLTE business is to exhale access domain selection business eventually, the user data operation requests are service set and company The end for the instruction inquiry user that continuous property application server is initiated exhales the operation requests of access domain selection information；The end of the user exhales Access domain selection information includes：Support the ability of IMS voices, or ability and latest activities time including supporting IMS voices, or Ability and latest activities wireless access type including supporting IMS voices, or ability, latest activities including supporting IMS voices Time and latest activities wireless access type.

3. the method according to claim 2 for realizing VoLTE business, which is characterized in that the IMS HSS receive services sets In and application server for continuity initiate VoLTE business user data operation requests, by the user data operation requests Being forwarded to HLR/EPC HSS includes：

When the user data operation requests that IMS HSS are received are the single wireless voice calling continuity energy that user is read in instruction When power, user data read requests are sent to the HLR/EPC HSS of the user attaching, the single wireless voice of user is read in request Call continuity ability；

When exhaling access domain selection information at the end that the user data operation requests that IMS HSS are received are instruction inquiry user, to The HLR/EPC HSS of the user attaching send user data query request, and the end of requesting query user exhales access domain selection information.

4. the method according to claim 3 for realizing VoLTE business, which is characterized in that the HLR/EPC HSS are according to institute It states user data operation requests to be operated accordingly, and returns to operating result to IMS HSS and include：

When receiving the user data read requests for reading single wireless voice calling continuity ability, the use that will be locally stored The single wireless voice calling continuity ability at family reads response message with user data and is back to IMS HSS；

When receiving user data update request, the conversation shift number received is asked to send out by user data update underthrust It send to mobile management entity or general packet radio service node；

When receiving the update underthrust response message from mobile management entity or general packet radio service node, it will words The result of migration underthrust returns to IMS HSS in the form of user data update responds.

5. the method according to claim 3 for realizing VoLTE business, which is characterized in that the HLR/EPC HSS are according to institute It states user data operation requests to be operated accordingly, and returns to operating result to IMS HSS and further include：

Judge whether the conversation shift number received is consistent with local session migration number, is rung if so, returning to user data update Answer message to IMS HSS, if it is not, being then sent to the migration number of updated local session by the request of user data update underthrust Mobile management entity or general packet radio service node, and taken from mobile management entity or general grouped wireless receiving When the update underthrust response message of business node, it will the result of words migration underthrust returns in the form of user data update responds Give IMS HSS.

6. the method according to claim 3 for realizing VoLTE business, which is characterized in that the HLR/EPC HSS are according to institute It states user data operation requests to be operated accordingly, and returns to operating result to IMS HSS and further include：

When receiving user data query request, number of users is initiated to mobile management entity and general packet radio service node It is investigated that asking underthrust request, the access domain information of the current tracking area of requesting query and the newer user in current routing area；

Receive that mobile management entity and general packet radio service node return include current tracking area and current routing area more The access domain information of new user, the access domain information of the user of the current tracing section updating and the current routing area The access domain information of newer user；

7. a kind of IMS HSS, which is characterized in that including：

Forwarding module is asked, the user data of the VoLTE business for receiving service set and application server for continuity initiation The user data operation requests are forwarded to HLR/EPC HSS by operation requests；

As a result delivery module, the HLR/EPC HSS for will receive carry out corresponding according to the user data operation requests The returned operating result of operation is sent to service set and application server for continuity with user data operation response message.

8. IMS HSS according to claim 7, which is characterized in that the request forwarding module is used for：

9. a kind of HLR/EPC HSS, which is characterized in that including：

Result return module for being operated accordingly according to user data operation requests, and returns to operating result to IMS HSS；Wherein, the IMS HSS include：

10. HLR/EPC HSS according to claim 9, which is characterized in that the result return module is specifically used for：

11. HLR/EPC HSS according to claim 9, which is characterized in that the result return module is specifically additionally operable to：

12. HLR/EPC HSS according to claim 9, which is characterized in that the result return module is specifically additionally operable to：

13. a kind of system for realizing VoLTE business, including IMS HSS and HLR/EPC HSS, which is characterized in that wherein：

The IMS HSS, the user data behaviour of the VoLTE business for receiving service set and application server for continuity initiation It asks, the user data operation requests is forwarded to HLR/EPC HSS；The operating result that HLR/EPC HSS are returned with User data operation response message is sent to service set and application server for continuity；

The HLR/EPC HSS for being operated accordingly according to the user data operation requests, and return to operating result To IMS HSS.

14. the system according to claim 13 for realizing VoLTE business, which is characterized in that the user of the VoLTE business Data operation request includes：

15. the system according to claim 14 for realizing VoLTE business, which is characterized in that the IMS HSS are specifically used In：

16. the system according to claim 14 for realizing VoLTE business, which is characterized in that the HLR/EPC HSS are used In：

17. the system according to claim 14 for realizing VoLTE business, which is characterized in that the HLR/EPC HSS are also used In：

18. the system according to claim 14 for realizing VoLTE business, which is characterized in that the HLR/EPC HSS are also used In：