CN106714136B - Data synchronization method, HLR, MMTEL AS and system - Google Patents

Data synchronization method, HLR, MMTEL AS and system Download PDF

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CN106714136B
CN106714136B CN201510492719.6A CN201510492719A CN106714136B CN 106714136 B CN106714136 B CN 106714136B CN 201510492719 A CN201510492719 A CN 201510492719A CN 106714136 B CN106714136 B CN 106714136B
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service registration
supplementary service
mmtel
terminal
hlr
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CN106714136A (en
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马金兰
曹磊
黄洪波
彭莉
朱晓洁
王庆扬
张琳峰
尹珂
杨维忠
林俐
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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Abstract

The invention discloses a data synchronization method, an HLR, an MMTEL AS and a system. In the method, after an HLR completes a first supplementary service registration operation according to a service registration request of a terminal, first supplementary service registration operation information is sent to an MMTEL AS through an MSC, a GMSC, an MGCF and an S-CSCF in a calling mode, and the MMTEL AS executes the first supplementary service registration operation; or after the MMTEL AS completes the second supplementary service registration operation according to the service registration request of the terminal, the MMTEL AS sends the second supplementary service registration operation information to the HLR through the I-CSCF, the MGCF and the GMSC in a calling mode, and the HLR executes the second supplementary service registration operation. Therefore, the problem of service data synchronization between the CS domain and the IMS network is solved under the condition that the CS domain HLR and the IMS HSS are not required to be fused or an interface is not required to be newly added.

Description

data synchronization method, HLR, MMTEL AS and system
Technical Field
The invention relates to the technical field of communication, in particular to a data synchronization method, an HLR, an MMTEL AS and a system.
background
Under the condition that LTE (Long Term Evolution ) network coverage is not ideal, a pure VoLTE (Voice over LTE) terminal is adopted, and a Voice service of a user is interrupted in an LTE non-coverage area, so that a dual-standby dual-channel SVLTE (Single Voice and LTE) or a dual-standby Single-channel SRLTE (Single Radio LTE) VoLTE terminal needs to be adopted, and a CS (Circuit Switched) domain is used for providing the Voice service in the LTE non-coverage area.
However, the dual-standby dual-channel SVLTE or dual-standby single-channel SRLTE VoLTE terminal has the following problems:
1) dynamic service data applied by the SVLTE or SRLTE VoLTE terminal in a CDMA CS domain and an IMS network respectively can not be synchronized;
2) at present, the fusion scheme of an HLR (Home Location Register) and an HSS (Home Subscriber Server) needs to modify the HLR of the whole network and carry out the comprehensive replacement of hardware, so that the investment is huge, the current network service is greatly influenced, and the difficulty is very high.
Disclosure of Invention
the invention needs to solve a technical problem that: and realizing the service data synchronization of the CS domain and the IMS network.
According to a first aspect of the present invention, there is provided a data synchronization method, comprising: the HLR receives a first supplementary service registration request sent by the terminal, executes a first supplementary service registration operation according to the first supplementary service registration request, and sends first supplementary service registration operation information to the MMTEL AS; the MMTEL AS executes a first supplementary service registration operation according to the received first supplementary service registration operation information and confirms the service operation to the terminal; or, the HLR receives second supplementary service registration operation information sent by the MMTEL AS, executes second supplementary service registration operation according to the second supplementary service registration operation information, and confirms service operation to the terminal; the MMTEL AS receives a second supplementary service registration request sent by the terminal, executes a second supplementary service registration operation according to the second supplementary service registration request, and sends second supplementary service registration operation information to the HLR.
in some embodiments, the HLR determines that the first supplementary service registration request is a service registration request of a VoLTE subscriber, performs a first supplementary service registration operation according to the first supplementary service registration request, and transmits first supplementary service registration operation information to the MSC, where the first supplementary service registration operation information includes: a first routing prefix and a first service operation code; wherein the terminal sends the first supplementary service registration request to the HLR via the MSC; the MSC sends the first supplementary service registration operation information to the MMTEL AS through the GMSC, the MGCF and the S-CSCF according to the first routing prefix; and the MMTEL AS executes a first supplementary service registration operation according to the first service operation code, returns an operation result to the terminal and plays a notification sound to the terminal.
in some embodiments, the HLR determines that the current operation is a VoLTE subscriber service registration synchronization operation according to the second routing prefix and the second service operation code, executes a second supplementary service registration operation, and returns an operation result to the GMSC, the GMSC transmits the operation result to the MMTEL AS through an SIP message, and the MMTEL AS returns the operation result to the terminal through the SIP message and plays a notification tone to the terminal; the terminal sends the second supplementary service registration request to the MMTEL AS through a P-CSCF and an S-CSCF; and the MMTEL AS sends the second supplementary service registration operation information to the HLR through an S-CSCF, an MGCF and a GMSC, wherein the second supplementary service registration operation information comprises: a second routing prefix and a second traffic opcode.
in some embodiments, the HLR determines that the current operation is a VoLTE subscriber service registration synchronization operation according to the second routing prefix and the second service operation code, executes a second supplementary service registration operation, and returns an operation result to the GMSC, the GMSC transmits the operation result to the MMTEL AS through an SIP message, and the MMTEL AS returns the operation result to the terminal through the Ut interface; the terminal sends the second supplementary service registration request to the MMTEL AS through a Ut interface; and the MMTEL AS sends the second supplementary service registration operation information to the HLR through an I-CSCF, an MGCF and a GMSC, wherein the second supplementary service registration operation information comprises: a second routing prefix and a second traffic opcode.
According to a second aspect of the present invention, there is provided a data synchronization method, comprising: the MMTEL AS receives first supplementary service registration operation information sent by the HLR, executes first supplementary service registration operation according to the first supplementary service registration operation information, and confirms service operation to the terminal; the HLR receives a first supplementary service registration request sent by the terminal, executes a first supplementary service registration operation according to the first supplementary service registration request, and sends the first supplementary service registration operation information to the MMTEL AS; or, the MMTEL AS receives a second supplementary service registration request sent by the terminal, executes a second supplementary service registration operation according to the second supplementary service registration request, and sends second supplementary service registration operation information to the HLR; and the HLR executes second supplementary service registration operation according to the received second supplementary service registration operation information and confirms service operation to the terminal.
in some embodiments, the MMTEL AS performs a first supplementary service registration operation according to a first service operation code, returns an operation result to the terminal, and plays a notification sound to the terminal; wherein the terminal sends the first supplementary service registration request to the HLR via the MSC; the HLR determines that the first supplementary service registration request is a service registration request of a VoLTE subscriber, executes a first supplementary service registration operation according to the first supplementary service registration request, and sends first supplementary service registration operation information to the MSC, where the first supplementary service registration operation information includes: a first routing prefix and a first service operation code; and the MSC sends the first supplementary service registration operation information to the MMTEL AS through the GMSC, the MGCF and the S-CSCF according to the first routing prefix.
In some embodiments, the MMTEL AS sends the second supplementary service registration operation information to the HLR via an S-CSCF, an MGCF, and a GMSC, the second supplementary service registration operation information including: a second routing prefix and a second service operation code; the terminal sends the second supplementary service registration request to the MMTEL AS through a P-CSCF and an S-CSCF; and the HLR determines that the current operation is VoLTE user service registration synchronous operation according to the second routing prefix and the second service operation code, executes second supplementary service registration operation, and returns an operation result to the GMSC, the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the SIP message and plays a notification sound to the terminal.
In some embodiments, the MMTEL AS sends the second supplementary service registration operation information to the HLR via an I-CSCF, an MGCF, and a GMSC, the second supplementary service registration operation information including: a second routing prefix and a second service operation code; the terminal sends the second supplementary service registration request to the MMTEL AS through a Ut interface; and the HLR determines that the current operation is VoLTE user service registration synchronous operation according to the second routing prefix and the second service operation code, executes second supplementary service registration operation, and returns an operation result to the GMSC, the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the Ut interface.
According to a third aspect of the present invention, there is provided an HLR comprising: the receiving module is used for receiving a first supplementary service registration request sent by a terminal; a supplementary service registration module, configured to perform a first supplementary service registration operation according to the first supplementary service registration request; the sending module is used for sending the first supplementary service registration operation information to the MMTEL AS; the MMTEL AS executes a first supplementary service registration operation according to the received first supplementary service registration operation information and confirms the service operation to the terminal; or, the receiving module is configured to receive second supplementary service registration operation information sent by the MMTEL AS; the supplementary service registration module is used for executing a second supplementary service registration operation according to the second supplementary service registration operation information; the sending module is used for confirming the service operation to the terminal; the MMTEL AS receives a second supplementary service registration request sent by the terminal, executes a second supplementary service registration operation according to the second supplementary service registration request, and sends second supplementary service registration operation information to the HLR.
in some embodiments, the supplementary service registration module is configured to determine that the first supplementary service registration request is a service registration request of a VoLTE subscriber, and perform a first supplementary service registration operation according to the first supplementary service registration request; the sending module is configured to send the first supplementary service registration operation information to an MSC, where the first supplementary service registration operation information includes: a first routing prefix and a first service operation code; wherein the terminal sends the first supplementary service registration request to the HLR via the MSC; the MSC sends the first supplementary service registration operation information to the MMTEL AS through the GMSC, the MGCF and the S-CSCF according to the first routing prefix; and the MMTEL AS executes a first supplementary service registration operation according to the first service operation code, returns an operation result to the terminal and plays a notification sound to the terminal.
In some embodiments, the supplementary service registration module is configured to determine, according to the second routing prefix and the second service operation code, that the current operation is a VoLTE user service registration synchronization operation, and perform a second supplementary service registration operation; the sending module is used for returning an operation result to the GMSC, wherein the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the SIP message and plays a notification sound to the terminal; the terminal sends the second supplementary service registration request to the MMTEL AS through a P-CSCF and an S-CSCF; and the MMTEL AS sends the second supplementary service registration operation information to the HLR through an S-CSCF, an MGCF and a GMSC, wherein the second supplementary service registration operation information comprises: a second routing prefix and a second traffic opcode.
In some embodiments, the supplementary service registration module is configured to determine, according to the second routing prefix and the second service operation code, that the current operation is a VoLTE user service registration synchronization operation, and perform a second supplementary service registration operation; the sending module is used for returning an operation result to the GMSC, wherein the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the Ut interface; the terminal sends the second supplementary service registration request to the MMTEL AS through a Ut interface; and the MMTEL AS sends the second supplementary service registration operation information to the HLR through an I-CSCF, an MGCF and a GMSC, wherein the second supplementary service registration operation information comprises: a second routing prefix and a second traffic opcode.
According to a fourth aspect of the present invention, there is provided an MMTEL AS comprising: a receiving unit, configured to receive first supplementary service registration operation information sent by an HLR; a supplementary service registration unit for performing a first supplementary service registration operation according to the first supplementary service registration operation information; and a sending unit, configured to confirm the service operation to the terminal; the HLR receives a first supplementary service registration request sent by the terminal, executes a first supplementary service registration operation according to the first supplementary service registration request, and sends the first supplementary service registration operation information to the MMTEL AS; or, the receiving unit is configured to receive a second supplementary service registration request sent by the terminal; the supplementary service registration unit is used for executing a second supplementary service registration operation according to the second supplementary service registration request; and the sending unit is used for sending the second supplementary service registration operation information to the HLR; and the HLR executes second supplementary service registration operation according to the received second supplementary service registration operation information and confirms service operation to the terminal.
In some embodiments, the supplementary service registration unit is configured to perform a first supplementary service registration operation according to a first service operation code; the sending unit is used for returning an operation result to the terminal and playing a notification sound to the terminal; wherein the terminal sends the first supplementary service registration request to the HLR via the MSC; the HLR determines that the first supplementary service registration request is a service registration request of a VoLTE subscriber, executes a first supplementary service registration operation according to the first supplementary service registration request, and sends first supplementary service registration operation information to the MSC, where the first supplementary service registration operation information includes: a first routing prefix and a first service operation code; and the MSC sends the first supplementary service registration operation information to the MMTEL AS through the GMSC, the MGCF and the S-CSCF according to the first routing prefix.
In some embodiments, the sending unit is configured to send the second supplementary service registration operation information to the HLR via the S-CSCF, the MGCF, and the GMSC, where the second supplementary service registration operation information includes: a second routing prefix and a second service operation code; the terminal sends the second supplementary service registration request to the MMTEL AS through a P-CSCF and an S-CSCF; and the HLR determines that the current operation is VoLTE user service registration synchronous operation according to the second routing prefix and the second service operation code, executes second supplementary service registration operation, and returns an operation result to the GMSC, the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the SIP message and plays a notification sound to the terminal.
in some embodiments, the sending unit is configured to send the second supplementary service registration operation information to the HLR via the I-CSCF, the MGCF, and the GMSC, where the second supplementary service registration operation information includes: a second routing prefix and a second service operation code; the terminal sends the second supplementary service registration request to the MMTELAS through a Ut interface; and the HLR determines that the current operation is VoLTE user service registration synchronous operation according to the second routing prefix and the second service operation code, executes second supplementary service registration operation, and returns an operation result to the GMSC, the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the Ut interface.
according to a fifth aspect of the present invention, there is provided a data synchronization system comprising: HLR AS described before and MMTEL AS described before.
In the invention, when the user registers the CS domain or IMS network service, the HLR or MMTEL AS generates a new call, the user service registration operation is simultaneously sent to the CS domain and the IMS network, both networks execute the service registration, and the dynamic service data synchronization of the CS domain and the IMS network is realized, thereby solving the service data synchronization problem between the CS domain and the IMS network under the condition of not needing to merge the HLR of the CS domain and the HSS of the IMS or adding a new interface, and reducing the cost because the HLR of the whole network is not needed to be reformed.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
The invention will be more clearly understood from the following detailed description, taken with reference to the accompanying drawings, in which:
FIG. 1 is a flow diagram that schematically illustrates a method of data synchronization, in accordance with some embodiments of the present invention.
FIG. 2 is a flow chart that schematically illustrates a method for synchronizing data, in accordance with further embodiments of the present invention.
FIG. 3 is a flow chart that schematically illustrates a method for synchronizing data, in accordance with further embodiments of the present invention.
FIG. 4 is a flow chart that schematically illustrates a method for synchronizing data, in accordance with further embodiments of the present invention.
FIG. 5 is a flow chart that schematically illustrates a method for synchronizing data, in accordance with further embodiments of the present invention.
FIG. 6 is a flow chart that schematically illustrates a method for synchronizing data, in accordance with further embodiments of the present invention.
FIG. 7 is a flow chart that schematically illustrates a method for synchronizing data, in accordance with further embodiments of the present invention.
figure 8 is a diagram that schematically illustrates the structure of an HLR according to some embodiments of the present invention.
Fig. 9 is a schematic diagram that schematically illustrates the structure of an MMTEL AS, in accordance with some embodiments of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
the following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
FIG. 1 is a flow diagram that schematically illustrates a method of data synchronization, in accordance with some embodiments of the present invention.
the HLR receives the first supplementary service registration request from the terminal at step S11.
At step S12, the HLR performs a first supplementary service registration operation according to the first supplementary service registration request.
In step S13, the HLR transmits the first supplementary service registration operation information to an MMTEL AS (Multimedia telephone application server). The MMTEL AS executes a first supplementary service registration operation according to the received first supplementary service registration operation information and confirms the service operation to the terminal.
This embodiment enables synchronization of traffic data from a CS domain (e.g. CDMA CS domain) to an IMS network.
in some embodiments, the HLR determines that the first supplementary service registration request is a service registration request of a VoLTE subscriber, performs a first supplementary service registration operation according to the first supplementary service registration request, and transmits first supplementary service registration operation information to an MSC (Mobile switching center), the first supplementary service registration operation information including: a first routing prefix and a first service opcode. The terminal sends a first supplementary service registration request to the HLR through the MSC; and the MSC sends the first supplementary service registration operation information to the MMTEL AS via a GSMC (Gateway Mobile Switching center), an MGCF (Media Gateway Control Function), and an S-CSCF (Serving Call Session Control Function) according to the first routing prefix; and the MMTEL AS executes a first supplementary service registration operation according to the first service operation code, returns an operation result to the terminal and plays a notification sound to the terminal.
FIG. 2 is a flow chart that schematically illustrates a method for synchronizing data, in accordance with further embodiments of the present invention.
At step S21, the HLR receives the second supplementary service registration operation information sent by the MMTEL AS. The MMTEL AS receives a second supplementary service registration request sent by the terminal, executes a second supplementary service registration operation according to the second supplementary service registration request, and sends the second supplementary service registration operation information to the HLR.
The HLR performs a second supplementary service registration operation according to the second supplementary service registration operation information at step S22.
The HLR confirms the service operation to the terminal at step S23.
the embodiment enables the synchronization of service data from the IMS network to the CS domain.
In some embodiments, the HLR determines that the current operation is a VoLTE subscriber service registration synchronization operation according to the second routing prefix and the second service operation code, executes a second supplementary service registration operation, and returns an operation result to the GMSC, the GMSC transmits the operation result to the MMTEL AS through an SIP (Session Initiation Protocol) message, and the MMTEL returns the operation result to the terminal through an SIP message, and plays a notification tone to the terminal. The terminal sends the second supplementary service registration request to the MMTEL AS via a P-CSCF (Proxy Call Session Control Function) and an S-CSCF. After the MMTEL AS finishes the second supplementary service registration operation, the MMTEL AS sends second supplementary service registration operation information to the HLR through the S-CSCF, the MGCF and the GMSC, wherein the second supplementary service registration operation information comprises: a second routing prefix and a second traffic opcode. The embodiment can realize the synchronization of the service data from the IMS network to the CS domain under the condition of carrying out the supplementary service registration in a dialing mode.
in other embodiments, the HLR determines that the current operation is a VoLTE subscriber service registration synchronization operation according to the second routing prefix and the second service operation code, executes a second supplementary service registration operation, and returns an operation result to the GMSC, the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the Ut interface. And the terminal sends the second supplementary service registration request to the MMTEL AS through the Ut interface. After the MMTEL AS completes the second supplementary service registration operation, the second supplementary service registration operation information is sent to the HLR via the I-CSCF (inquiring Call Session Control Function), the MGCF, and the GMSC, and the second supplementary service registration operation information includes: a second routing prefix and a second traffic opcode. The embodiment can realize the synchronization of the service data from the IMS network to the CS domain under the condition of adopting a Ut interface mode to register the supplementary service.
FIG. 3 is a flow chart that schematically illustrates a method for synchronizing data, in accordance with further embodiments of the present invention.
At step S31, the MMTEL AS receives the first supplementary service registration operation information issued by the HLR. The HLR receives a first supplementary service registration request sent by the terminal, executes a first supplementary service registration operation according to the first supplementary service registration request, and sends the first supplementary service registration operation information to the MMTEL AS.
At step S32, the MMTEL AS performs a first supplementary service registration operation according to the first supplementary service registration operation information.
at step S33, the MMTEL AS confirms the service operation to the terminal.
This embodiment enables synchronization of traffic data from a CS domain (e.g. CDMA CS domain) to an IMS network.
in some embodiments, the MMTEL AS performs a first supplementary service registration operation according to the first service operation code, returns an operation result to the terminal, and plays a notification sound to the terminal. The terminal sends a first supplementary service registration request to the HLR through the MSC; the HLR determines that the first supplementary service registration request is a service registration request of a VoLTE subscriber, performs a first supplementary service registration operation according to the first supplementary service registration request, and sends first supplementary service registration operation information to the MSC, where the first supplementary service registration operation information includes: a first routing prefix and a first service operation code; and the MSC sends the first supplementary service registration operation information to the MMTEL AS through the GMSC, the MGCF and the S-CSCF according to the first routing prefix.
FIG. 4 is a flow chart that schematically illustrates a method for synchronizing data, in accordance with further embodiments of the present invention.
at step S41, the MMTEL AS receives the second supplementary service registration request issued by the terminal.
At step S42, the MMTEL AS performs a second supplementary service registration operation according to the second supplementary service registration request.
The MMTEL AS transmits the second supplementary service registration operation information to the HLR at step S43. And the HLR executes second supplementary service registration operation according to the received second supplementary service registration operation information and confirms the service operation to the terminal.
The embodiment enables the synchronization of service data from the IMS network to the CS domain.
in some embodiments, the MMTEL AS sends second supplementary service registration operation information to the HLR via the S-CSCF, the MGCF, and the GMSC, the second supplementary service registration operation information including: a second routing prefix and a second traffic opcode. The terminal sends a second supplementary service registration request to the MMTEL AS through the P-CSCF and the S-CSCF; and the HLR determines that the current operation is VoLTE user service registration synchronous operation according to the second routing prefix and the second service operation code, executes second supplementary service registration operation, returns an operation result to the GMSC, the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTELAS returns the operation result to the terminal through the SIP message and plays notification sound to the terminal. The embodiment can realize the synchronization of the service data from the IMS network to the CS domain under the condition of carrying out the supplementary service registration in a dialing mode.
In other embodiments, the MMTEL AS sends second supplementary service registration operation information to the HLR via the I-CSCF, the MGCF, and the GMSC, the second supplementary service registration operation information including: a second routing prefix and a second traffic opcode. The terminal sends a second supplementary service registration request to the MMTEL AS through the Ut interface; and the HLR determines that the current operation is VoLTE user service registration synchronous operation according to the second routing prefix and the second service operation code, executes second supplementary service registration operation, and returns an operation result to the GMSC, the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the Ut interface. The embodiment can realize the synchronization of the service data from the IMS network to the CS domain under the condition of adopting a Ut interface mode to register the supplementary service. In some embodiments, the MMTEL AS may also play a notification sound to the terminal when returning the operation result to the terminal.
in the invention, when a user registers the CS domain or IMS network service, an HLR or an MMTEL AS generates a new call, the user service registration operation is simultaneously sent to the CS domain and the IMS network, both networks execute the service registration, and the dynamic service data synchronization of the CS domain and the IMS network is realized, thereby solving the service data synchronization problem between the CS domain and the IMS network under the condition of not needing to merge the HLR and the IMS HSS of the CS domain or newly add an interface.
FIG. 5 is a flow chart that schematically illustrates a method for synchronizing data, in accordance with further embodiments of the present invention.
In step S501, the terminal initiates a call request to the MSC. The called number is the first supplementary service registration request service code.
The MSC transmits a first supplementary service registration Request (e.g., FEATREQ) to the HLR at step S502. Wherein, the parameter DGTDIAL is the first supplementary service registration request service code. In some embodiments, the MSC may also be configured with a VLR (Visitor Location Register).
in step S503, the HLR determines that the first supplementary service registration request is a service registration request of a VoLTE subscriber, performs a first supplementary service registration operation according to the first supplementary service registration request, and transmits first supplementary service registration operation information to the MSC.
For example, the HLR determines that the first supplementary service registration request is a VoLTE subscriber service registration request, sends first supplementary service registration operation information to the MSC in a form of a response featreq after completing the first service registration operation, and carries a terminal list parameter TERMLIST in the response featreq, where the terminal list parameter includes: a first routing prefix and a first service opcode.
At step S504, the MSC forwards the call to the GMSC according to the first routing prefix.
In step S505, the GMSC forwards the call to the MGCF according to the first routing prefix.
in step S506, the MGCF routes the call to the S-CSCF according to the first routing prefix.
For example, the MGCF routes the call to the S-CSCF according to the first routing prefix, and carries the orig parameter as the identifier of the calling flow and the accesscode as the prefix in the INVITE, identifying that the operation is a service synchronization operation.
in step S507, the S-CSCF sends the call to the MMTEL AS according to the IFC (Initial Filter Criteria) the user signed up. The called number is the first supplementary service registration request service code.
In step S508, the MMTEL AS performs a first supplementary service registration operation according to the first service operation code, and confirms the service operation to the terminal. To this end, the embodiment achieves synchronization of service data from the CS domain to the IMS network. In some embodiments, the MMTEL AS may suppress synchronous operation to the CS domain (e.g., the CDMA CS domain) according to the prefix accesscode. That is, the MMTELAS can confirm that the current operation is the first supplementary service registration operation according to the prefix accesscode, and then no longer initiates a supplementary service registration operation request to the HLR.
FIG. 6 is a flow chart that schematically illustrates a method for synchronizing data, in accordance with further embodiments of the present invention.
In step S601, the terminal sends a second supplementary service registration request to the MMTEL AS via the P-CSCF and the S-CSCF.
For example, the terminal initiates a call request to the P-CSCF, the called number is a second supplementary service registration request service code, the P-CSCF forwards the call to the S-CSCF, and the S-CSCF sends the call to the MMTEL AS according to the IFC signed by the user.
at step S602, the MMTEL AS performs a second supplementary service registration operation according to the second supplementary service registration request, and sends the second supplementary service registration operation information to the S-CSCF. For example, the MMTEL AS completes the second supplementary service registration and sends an INVITE message to the S-CSCF, where a Request uniform resource Identifier Request URI (uniform resource Identifier) in the INVITE message includes: a second routing prefix and a second traffic opcode.
At step S603, the S-CSCF forwards the call to the MGCF according to the second routing prefix.
The MGCF forwards the call to the GMSC according to the second routing prefix at step S604.
in step S605, the GMSC determines, according to the second routing prefix and the second service operation code, a second supplementary service registration operation, and sends second supplementary service registration operation information to the HLR. For example, the GMSC sends a feattreq to the HLR, where the feattreq carries a parameter DGTDIAL as a second routing prefix and a second service opcode.
In step S606, the HLR determines that the current operation is a VoLTE subscriber service registration synchronization operation according to the second routing prefix and the second service operation code, performs the second supplementary service registration operation, and returns a response Featreq to the GMSC, where the response carries the operation result.
In step S607, the GMSC returns the operation result to the MMTEL AS via the MGCF, I-CSCF. For example, a successful service operation returns SIP message 180 and a failed service operation returns SIP message 501.
In step S608, the MMTEL AS plays a service operation notification sound to the terminal according to the operation result returned by the GMSC. For example, the MMTEL AS receives the SIP message 180, and plays a service operation success notification sound to the user through the SIP message 183; or the MMTEL AS receives the SIP message 501, cancels the service registration, and plays the service operation failure notification sound to the user through the SIP message 183.
To this end, the embodiment implements synchronization of service data from the IMS network to the CS domain in the case of performing supplementary service registration in a dial-up manner.
FIG. 7 is a flow chart that schematically illustrates a method for synchronizing data, in accordance with further embodiments of the present invention.
In step S701, the terminal sends a second supplementary service registration request to the MMTEL AS through the Ut interface.
In step S702, the MMTEL AS completes the second supplementary service registration operation after receiving the second supplementary service registration request, and sends the second supplementary service registration operation information to the I-CSCF. For example, the MMTEL AS sends an INVITE message to the I-CSCF, the Request URI of which includes: a second routing prefix and a second traffic opcode.
at step S703, the I-CSCF forwards the call to the MGCF according to the second routing prefix.
The MGCF forwards the call to the GMSC according to the second routing prefix at step S704.
In step S705, the GMSC determines, according to the second routing prefix and the second service operation code, a second supplementary service registration operation, and sends second supplementary service registration operation information to the HLR. For example, the GMSC sends feattreq to the HLR, carrying the parameter DGTDIAL as the second routing prefix and the second service opcode.
In step S706, the HLR determines that the current operation is a VoLTE subscriber service registration synchronization operation according to the second routing prefix and the second service operation code, performs the second supplementary service registration operation, and returns a response Featreq to the GMSC, where the response carries the operation result.
In step S707, the GMSC returns the operation result to the MMTEL AS via the MGCF, I-CSCF. For example, a successful service operation returns SIP message 180 and a failed service operation returns SIP message 501.
in step S708, the MMTEL AS confirms the service operation to the terminal according to the operation result returned by the GMSC. For example, the MMTEL AS receives the SIP message 180, and shows that the service operation is successful through the Ut interface; or the MMTEL AS receives the SIP message 501, cancels the service registration, and displays that the service operation fails through the Ut interface.
so far, the embodiment adopts a Ut interface mode to realize the synchronization of the service data from the IMS network to the CS domain under the condition of performing the supplementary service registration.
figure 8 is a diagram that schematically illustrates the structure of an HLR according to some embodiments of the present invention. As shown in fig. 8, the HLR 80 includes: a receiving module 81, a supplementary service registration module 82 and a sending module 83.
in some embodiments, the receiving module 81 is configured to receive a first supplementary service registration request sent by a terminal; the supplementary service registration module 82 is configured to perform a first supplementary service registration operation according to the first supplementary service registration request; the sending module 83 is configured to send the first supplementary service registration operation information to the MMTEL AS. And the MMTEL AS executes the first supplementary service registration operation according to the received first supplementary service registration operation information and confirms the service operation to the terminal.
For example, the supplementary service registration module 82 is configured to determine that the first supplementary service registration request is a service registration request of a VoLTE subscriber, and perform a first supplementary service registration operation according to the first supplementary service registration request. Wherein the terminal sends the first supplementary service registration request to the HLR via the MSC.
For example, the sending module 83 is configured to send first supplementary service registration operation information to the MSC, where the first supplementary service registration operation information includes: a first routing prefix and a first service opcode. The MSC sends the first supplementary service registration operation information to the MMTEL AS through the MGCF and the S-CSCF according to the first routing prefix. And the MMTEL AS executes a first supplementary service registration operation according to the first service operation code, returns an operation result to the terminal and plays a notification sound to the terminal.
in other embodiments, the receiving module 81 is configured to receive the second supplementary service registration operation information sent by the MMTEL AS; the supplementary service registration module 82 is configured to perform a second supplementary service registration operation according to the second supplementary service registration operation information; the sending module 83 is configured to confirm the service operation to the terminal. The MMTEL AS receives a second supplementary service registration request sent by the terminal, executes a second supplementary service registration operation according to the second supplementary service registration request, and sends the second supplementary service registration operation information to the HLR.
For example, the supplementary service registration module 82 is configured to determine, according to the second routing prefix and the second service operation code, that the current operation is a VoLTE user service registration synchronization operation, and execute a second supplementary service registration operation; the sending module 83 is configured to return an operation result to the GMSC, where the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the SIP message and plays a notification sound to the terminal. And the terminal sends the second supplementary service registration request to the MMTEL AS through the P-CSCF and the S-CSCF. After the MMTEL AS finishes the second supplementary service registration operation, the MMTEL AS sends second supplementary service registration operation information to the HLR through the S-CSCF, the MGCF and the GMSC, wherein the second supplementary service registration operation information comprises: a second routing prefix and a second traffic opcode.
For another example, the supplementary service registration module 82 is configured to determine, according to the second routing prefix and the second service operation code, that the current operation is a VoLTE user service registration synchronization operation, and execute a second supplementary service registration operation; the sending module 83 is configured to return an operation result to the GMSC, where the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the Ut interface. And the terminal sends the second supplementary service registration request to the MMTEL AS through the Ut interface. After the MMTEL AS finishes the second supplementary service registration operation, the MMTEL AS sends second supplementary service registration operation information to the HLR through the I-CSCF, the MGCF and the GMSC, wherein the second supplementary service registration operation information comprises: a second routing prefix and a second traffic opcode.
fig. 9 is a schematic diagram that schematically illustrates the structure of an MMTEL AS, in accordance with some embodiments of the present invention. AS shown in fig. 9, the MMTEL AS 90 includes: a receiving unit 91, a supplementary service registration unit 92 and a transmitting unit 93.
In some embodiments, the receiving unit 91 is configured to receive first supplementary service registration operation information sent by the HLR; the supplementary service registration unit 92 is configured to perform a first supplementary service registration operation according to the first supplementary service registration operation information; the sending unit 93 is used for confirming the service operation to the terminal. The HLR receives a first supplementary service registration request sent by the terminal, executes a first supplementary service registration operation according to the first supplementary service registration request, and sends the first supplementary service registration operation information to the MMTEL AS.
For example, the supplementary service registration unit 92 is configured to perform a first supplementary service registration operation according to a first service operation code; the sending unit 93 is configured to return an operation result to the terminal, and play a notification sound to the terminal. Wherein the terminal sends the first supplementary service registration request to the HLR via the MSC. The HLR determines that the first supplementary service registration request is a service registration request of a VoLTE subscriber, performs a first supplementary service registration operation according to the first supplementary service registration request, and sends first supplementary service registration operation information to the MSC, where the first supplementary service registration operation information includes: a first routing prefix and a first service opcode. And the MSC sends the first supplementary service registration operation information to the MMTEL AS through the GMSC, the MGCF and the S-CSCF according to the first routing prefix.
In other embodiments, the receiving unit 91 is configured to receive a second supplementary service registration request sent by the terminal; the supplementary service registration unit 92 is configured to perform a second supplementary service registration operation according to the second supplementary service registration request; the sending unit 93 is configured to send the second supplementary service registration operation information to the HLR. And the HLR executes second supplementary service registration operation according to the received second supplementary service registration operation information and confirms the service operation to the terminal.
For example, the sending unit 93 is configured to send second supplementary service registration operation information to the HLR via the S-CSCF, the MGCF, and the GMSC, where the second supplementary service registration operation information includes: a second routing prefix and a second traffic opcode. Wherein the terminal sends the second supplementary service registration request to the MMTEL AS via the P-CSCF and the S-CSCF. And the HLR determines that the current operation is VoLTE user service registration synchronous operation according to the second routing prefix and the second service operation code, executes second supplementary service registration operation and returns an operation result to the GMSC, the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the SIP message and plays notification sound to the terminal.
for another example, the sending unit 93 is configured to send second supplementary service registration operation information to the HLR via the I-CSCF, the MGCF, and the GMSC, where the second supplementary service registration operation information includes: a second routing prefix and a second traffic opcode. And the terminal sends the second supplementary service registration request to the MMTEL AS through the Ut interface. And the HLR determines that the current operation is VoLTE user service registration synchronous operation according to the second routing prefix and the second service operation code, executes second supplementary service registration operation, and returns an operation result to the GMSC, the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the Ut interface.
The invention also provides a data synchronization system, comprising: an HLR AS previously described (e.g., HLR 80 shown in fig. 8) and an MMTEL AS previously described (e.g., MMTEL AS 90 shown in fig. 9).
in the invention, when a user registers the CS domain or IMS network service, an HLR or an MMTEL AS generates a new call, the user service registration operation is simultaneously sent to the CS domain and the IMS network, both networks execute the service registration, and the dynamic service data synchronization of the CS domain and the IMS network is realized, thereby solving the service data synchronization problem between the CS domain and the IMS network under the condition of not needing to merge the HLR and the IMS HSS of the CS domain or newly add an interface.
Thus far, the present invention has been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present invention. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
The method and system of the present invention may be implemented in a number of ways. For example, the methods and systems of the present invention may be implemented in software, hardware, firmware, or any combination of software, hardware, and firmware. The above-described order for the steps of the method is for illustrative purposes only, and the steps of the method of the present invention are not limited to the order specifically described above unless specifically indicated otherwise. Furthermore, in some embodiments, the present invention may also be embodied as a program recorded in a recording medium, the program including machine-readable instructions for implementing a method according to the present invention. Thus, the present invention also covers a recording medium storing a program for executing the method according to the present invention.
Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for the purpose of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (13)

1. A method of data synchronization, comprising:
The home location register HLR receives a first supplementary service registration request sent by a terminal, executes a first supplementary service registration operation according to the first supplementary service registration request, and sends the first supplementary service registration operation information to a multimedia telephone application server MMTEL AS;
The MMTEL AS executes a first supplementary service registration operation according to the received first supplementary service registration operation information and confirms the service operation to the terminal;
Alternatively, the first and second electrodes may be,
The HLR receives second supplementary service registration operation information sent by the MMTEL AS, executes second supplementary service registration operation according to the second supplementary service registration operation information, and confirms service operation to the terminal;
The MMTEL AS receives a second supplementary service registration request sent by the terminal, executes a second supplementary service registration operation according to the second supplementary service registration request, and sends second supplementary service registration operation information to the HLR;
Wherein, the HLR determines that the first supplementary service registration request is a service registration request of a VoLTE subscriber, performs a first supplementary service registration operation according to the first supplementary service registration request, and sends the first supplementary service registration operation information to a mobile switching center MSC, and the first supplementary service registration operation information includes: a first routing prefix and a first service operation code;
Wherein the terminal sends the first supplementary service registration request to the HLR via the MSC; and
The MSC sends the first supplementary service registration operation information to the MMTELAS through a gateway mobile switching center GMSC, a Media Gateway Control Function (MGCF) and a service-call session control function (S-CSCF) according to the first routing prefix;
And the MMTEL AS executes a first supplementary service registration operation according to the first service operation code, returns an operation result to the terminal and plays a notification sound to the terminal.
2. The data synchronization method of claim 1,
The HLR determines that the current operation is VoLTE user service registration synchronous operation according to the second routing prefix and the second service operation code, executes second supplementary service registration operation, and returns an operation result to the gateway mobile switching center GMSC, the GMSC transmits the operation result to the MMTEL AS through a session initiation protocol SIP message, and the MMTEL AS returns the operation result to the terminal through the SIP message and plays a notification sound to the terminal;
The terminal sends the second supplementary service registration request to the MMTEL AS through a proxy call session control function (P-CSCF) and a proxy call session control function (S-CSCF); and
The MMTEL AS sends the second supplementary service registration operation information to the HLR via an S-CSCF, an MGCF, and a GMSC, the second supplementary service registration operation information including: a second routing prefix and a second traffic opcode.
3. The data synchronization method of claim 1,
The HLR determines that the current operation is VoLTE user service registration synchronous operation according to the second routing prefix and the second service operation code, executes second supplementary service registration operation, and returns an operation result to the GMSC, the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the Ut interface;
the terminal sends the second supplementary service registration request to the MMTEL AS through a Ut interface; and
The MMTEL AS sends the second supplementary service registration operation information to the HLR via an interrogating call session control function I-CSCF, MGCF, and GMSC, the second supplementary service registration operation information including: a second routing prefix and a second traffic opcode.
4. a method of data synchronization, comprising:
The MMTEL AS receives first supplementary service registration operation information sent by the HLR, executes first supplementary service registration operation according to the first supplementary service registration operation information, and confirms service operation to the terminal;
the HLR receives a first supplementary service registration request sent by the terminal, executes a first supplementary service registration operation according to the first supplementary service registration request, and sends the first supplementary service registration operation information to the MMTELAS;
alternatively, the first and second electrodes may be,
The MMTEL AS receives a second supplementary service registration request sent by the terminal, executes a second supplementary service registration operation according to the second supplementary service registration request, and sends second supplementary service registration operation information to the HLR;
the HLR executes a second supplementary service registration operation according to the received second supplementary service registration operation information and confirms the service operation to the terminal;
The MMTEL AS executes a first supplementary service registration operation according to a first service operation code, returns an operation result to the terminal and plays a notification sound to the terminal;
wherein the terminal sends the first supplementary service registration request to the HLR via the MSC;
The HLR determines that the first supplementary service registration request is a service registration request of a VoLTE subscriber, executes a first supplementary service registration operation according to the first supplementary service registration request, and sends first supplementary service registration operation information to the MSC, where the first supplementary service registration operation information includes: a first routing prefix and a first service operation code; and
and the MSC sends the first supplementary service registration operation information to the MMTEL AS through the GMSC, the MGCF and the S-CSCF according to the first routing prefix.
5. The data synchronization method of claim 4,
The MMTEL AS sends the second supplementary service registration operation information to the HLR via an S-CSCF, an MGCF, and a GMSC, the second supplementary service registration operation information including: a second routing prefix and a second service operation code;
the terminal sends the second supplementary service registration request to the MMTEL AS through a P-CSCF and an S-CSCF; and
and the HLR determines that the current operation is VoLTE user service registration synchronous operation according to the second routing prefix and the second service operation code, executes second supplementary service registration operation, and returns an operation result to the GMSC, the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the SIP message and plays a notification sound to the terminal.
6. The data synchronization method of claim 4,
The MMTEL AS sends the second supplementary service registration operation information to the HLR via the I-CSCF, the MGCF, and the GMSC, the second supplementary service registration operation information including: a second routing prefix and a second service operation code;
the terminal sends the second supplementary service registration request to the MMTEL AS through a Ut interface; and
and the HLR determines that the current operation is VoLTE user service registration synchronous operation according to the second routing prefix and the second service operation code, executes second supplementary service registration operation, and returns an operation result to the GMSC, the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the Ut interface.
7. an HLR, comprising:
The receiving module is used for receiving a first supplementary service registration request sent by a terminal;
a supplementary service registration module, configured to perform a first supplementary service registration operation according to the first supplementary service registration request; and
A sending module, configured to send the first supplementary service registration operation information to the MMTEL AS;
The MMTEL AS executes a first supplementary service registration operation according to the received first supplementary service registration operation information and confirms the service operation to the terminal;
alternatively, the first and second electrodes may be,
The receiving module is used for receiving second supplementary service registration operation information sent by the MMTEL AS;
The supplementary service registration module is used for executing a second supplementary service registration operation according to the second supplementary service registration operation information; and
The sending module is used for confirming the service operation to the terminal;
The MMTEL AS receives a second supplementary service registration request sent by the terminal, executes a second supplementary service registration operation according to the second supplementary service registration request, and sends second supplementary service registration operation information to the HLR;
The supplementary service registration module is used for determining that the first supplementary service registration request is a service registration request of a VoLTE user and executing a first supplementary service registration operation according to the first supplementary service registration request;
The sending module is configured to send the first supplementary service registration operation information to an MSC, where the first supplementary service registration operation information includes: a first routing prefix and a first service operation code;
wherein the terminal sends the first supplementary service registration request to the HLR via the MSC; and
The MSC sends the first supplementary service registration operation information to the MMTEL AS through the GMSC, the MGCF and the S-CSCF according to the first routing prefix;
and the MMTEL AS executes a first supplementary service registration operation according to the first service operation code, returns an operation result to the terminal and plays a notification sound to the terminal.
8. the HLR as claimed in claim 7,
The supplementary service registration module is used for determining that the current operation is VoLTE user service registration synchronous operation according to the second routing prefix and the second service operation code and executing second supplementary service registration operation;
The sending module is used for returning an operation result to the GMSC, wherein the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the SIP message and plays a notification sound to the terminal;
The terminal sends the second supplementary service registration request to the MMTEL AS through a P-CSCF and an S-CSCF; and
The MMTEL AS sends the second supplementary service registration operation information to the HLR via an S-CSCF, an MGCF, and a GMSC, the second supplementary service registration operation information including: a second routing prefix and a second traffic opcode.
9. the HLR as claimed in claim 7,
The supplementary service registration module is used for determining that the current operation is VoLTE user service registration synchronous operation according to the second routing prefix and the second service operation code and executing second supplementary service registration operation;
the sending module is used for returning an operation result to the GMSC, wherein the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the Ut interface;
the terminal sends the second supplementary service registration request to the MMTEL AS through a Ut interface; and
The MMTEL AS sends the second supplementary service registration operation information to the HLR via the I-CSCF, the MGCF, and the GMSC, the second supplementary service registration operation information including: a second routing prefix and a second traffic opcode.
10. An MMTEL AS, comprising:
A receiving unit, configured to receive first supplementary service registration operation information sent by an HLR;
A supplementary service registration unit for performing a first supplementary service registration operation according to the first supplementary service registration operation information; and
A sending unit, configured to confirm a service operation to a terminal;
The HLR receives a first supplementary service registration request sent by the terminal, executes a first supplementary service registration operation according to the first supplementary service registration request, and sends the first supplementary service registration operation information to the MMTELAS;
alternatively, the first and second electrodes may be,
The receiving unit is used for receiving a second supplementary service registration request sent by the terminal;
The supplementary service registration unit is used for executing a second supplementary service registration operation according to the second supplementary service registration request; and
The sending unit is used for sending second supplementary service registration operation information to the HLR;
The HLR executes a second supplementary service registration operation according to the received second supplementary service registration operation information and confirms the service operation to the terminal;
The supplementary service registration unit is used for executing a first supplementary service registration operation according to a first service operation code;
the sending unit is used for returning an operation result to the terminal and playing a notification sound to the terminal;
Wherein the terminal sends the first supplementary service registration request to the HLR via the MSC;
The HLR determines that the first supplementary service registration request is a service registration request of a VoLTE subscriber, executes a first supplementary service registration operation according to the first supplementary service registration request, and sends first supplementary service registration operation information to the MSC, where the first supplementary service registration operation information includes: a first routing prefix and a first service operation code; and
And the MSC sends the first supplementary service registration operation information to the MMTEL AS through the GMSC, the MGCF and the S-CSCF according to the first routing prefix.
11. the MMTEL AS of claim 10,
the sending unit is configured to send the second supplementary service registration operation information to the HLR via the S-CSCF, the MGCF, and the GMSC, where the second supplementary service registration operation information includes: a second routing prefix and a second service operation code;
The terminal sends the second supplementary service registration request to the MMTEL AS through a P-CSCF and an S-CSCF; and
and the HLR determines that the current operation is VoLTE user service registration synchronous operation according to the second routing prefix and the second service operation code, executes second supplementary service registration operation, and returns an operation result to the GMSC, the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the SIP message and plays a notification sound to the terminal.
12. The MMTEL AS of claim 10,
The sending unit is configured to send the second supplementary service registration operation information to the HLR via an I-CSCF, an MGCF, and a GMSC, where the second supplementary service registration operation information includes: a second routing prefix and a second service operation code;
The terminal sends the second supplementary service registration request to the MMTEL AS through a Ut interface; and
and the HLR determines that the current operation is VoLTE user service registration synchronous operation according to the second routing prefix and the second service operation code, executes second supplementary service registration operation, and returns an operation result to the GMSC, the GMSC transmits the operation result to the MMTEL AS through the SIP message, and the MMTEL AS returns the operation result to the terminal through the Ut interface.
13. a data synchronization system, comprising:
the HLR according to any of claims 7 to 9 and the MMTEL AS according to any of claims 10 to 12.
CN201510492719.6A 2015-08-12 2015-08-12 Data synchronization method, HLR, MMTEL AS and system Active CN106714136B (en)

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