CN106911626B - Access the method and device of VoLTE IMS network - Google Patents
Access the method and device of VoLTE IMS network Download PDFInfo
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- CN106911626B CN106911626B CN201510967914.XA CN201510967914A CN106911626B CN 106911626 B CN106911626 B CN 106911626B CN 201510967914 A CN201510967914 A CN 201510967914A CN 106911626 B CN106911626 B CN 106911626B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1073—Registration or de-registration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/1016—IP multimedia subsystem [IMS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
- H04W8/08—Mobility data transfer
- H04W8/10—Mobility data transfer between location register and external networks
Abstract
The present invention discloses a kind of method and device for accessing VoLTE IMS network, it is related to mobile communication field, wherein, this method comprises: GtoVoLTE, which receives I-CSCF network element of the authentication request from GSM network from sip agent module to IMS network, sends registration information；Receive the response that the requirement that the I-CSCF is returned carries authentication information；It re-initiates and carries user in the registration information of the authentication information of IMS network, so that the information is forwarded to S-CSCF by I-CSCF, if the S-CSCF completes subscription authentication and registration, successful registration register response is sent to GtoVoLTE gateway by I-CSCF, returns to authentication request success response to GSM network.The present invention realizes that VOLTE terminal carries out international roaming by GSM network without cdma network, and simple and easy, difficulty is small, and transformation cost is small.
Description
Technical field
The present invention relates to LTE technical field more particularly to a kind of method and devices for accessing VoLTE IMS network.
Background technique
CDMA 1X substitution is the drive of China Telecom VoLTE (Voice over LTE, the voice service based on LTE) commercialization
One of power.In order to get rid of CDMA (Code Division Multiple Access, CDMA) network as early as possible, master is incorporated
Stream, the featured VoLTE terminal without C mould of China Telecom.In view of VoLTE terminal to the international roaming of no network area VoLTE
Problem, need to be using band GSM (Global System for Mobile Communication, global system for mobile communications) mould
VoLTE terminal realizes international roaming by GSM network.
But there is also following two problems to need to solve under the prior art: China Telecom's VoLTE terminal uses GSM net
When network international roaming, need to distribute telephone numbers in CDMA HLR (Home Location Register, home location register), voice is exhaled
It cries and GMSC (Gateway Mobile Switching Center, Gateway Mobile Switching Center) is needed to be routed, short message service
It need to lead to international roaming to the dependence of CDMA network facility through CDMA signaling network, be unfavorable for realizing the strategy for getting rid of cdma network
Target；It needs to dispose domain selection server in VoLTE network, realize called when VoLTE terminal carries out international roaming by GSM
Routing, operation flow is complicated, waste investment.
Therefore, it is necessary to propose a kind of access VoLTE IMS (IP Multimedia Subsystem, IP multimedia subsystem
System) network method to solve the above-mentioned technical problems in the prior art.
Summary of the invention
The disclosure technical problem to be solved is how to provide a kind of simple and easy, and difficulty is small, and transformation cost is small
The method for accessing VoLTE IMS network realizes that cdma network operator can realize that VOLTE terminal passes through without cdma network
GSM network carries out international roaming.
The disclosure provides a kind of method for accessing VoLTE IMS network, comprising: global system for mobile communications is to based on long-term
The voice service GtoVoLTE gateway of evolution receives the authentication request from global system for mobile communications GSM network, completes to GSM
Pass through enquiry call session of the session initiation protocol sip agent module to IP multimedia subsystem IMS network after the authentication of network
Control function I-CSCF network element sends registration information；GtoVoLTE gateway receives the requirement that I-CSCF is returned and carries authentication letter
The response of breath；GtoVoLTE gateway, which re-initiates, carries user in the registration information of the authentication information of IMS network, so as to I-
CSCF forwards information to service call conversation control function S-CSCF, if S-CSCF completes subscription authentication and registration,
Successful registration register response is sent to GtoVoLTE gateway by I-CSCF；The successful note of GtoVoLTE gateway reception IMS network
Volume register response returns to authentication request success response to GSM network.
Further, GtoVoLTE gateway, which re-initiates, carries user in the registration request letter of the authentication information of IMS network
After breath further include: if GtoVoLTE gateway receives IMS network registration failure response or within the set time not
Any response is received, returns to authentication request failure response to GSM network.
Further, further includes: GtoVoLTE gateway setting sip agent module is simultaneously pre-configured in sip agent module
The I-CSCF network element that GSM and the mapping of IMS authentication parameter, user are sent in the authentication information of IMS network, IMS network registration,
Wherein, GSM and the mapping of IMS authentication parameter include GSM IMSI and Mobile Directory Number MDN corresponding relationship；User exists
The authentication information of IMS network includes authentication mode, user name, encrypted message.
Further, GtoVoLTE gateway receives IMS network successful registration register response, returns to authentication to GSM network and asks
Asking success response later includes: that GtoVoLTE gateway receives the more new position request that GSM network is sent；GtoVoLTE gateway to
GSM network sends insertion user data requests, and GSM network returns to insertion user data requests response；GtoVoLTE gateway is to GSM
Network, which returns, updates position request response；GtoVoLTE gateway generates user in GSM network and IMS network associated dynamic information
Mapping table, associated dynamic information include user IMSI, MDN, GSM location information, user service S-CSCF IP address.
Further, further includes: GtoVoLTE gateway receives the called request INVITE information of S-CSCF transmission, according to
MDN inquires user in the position of GSM network in the mapping table, and the GSM network registered to user's registration, which is sent, obtains roaming number
Request；GtoVoLTE gateway receives the roaming number request response containing netsurfing number MSRN that GSM network returns；
After GtoVoLTE gateway obtains the GSM network roaming number MSRN of user, sip agent module will be called according to roaming number MSRN
Media Gateway Control Function MGCF network element is routed to, called request INVITE information is sent to MGCF, MGCF is according to roaming number
Code routes the call to GSM network so that call request INVITE is routed to called subscriber by GSM network；GtoVoLTE gateway is received
To called successful connection or the response of failure, it is forwarded directly to S-CSCF.
Further, further includes: GtoVoLTE gateway receives GSM network short message and sends request；GtoVoLTE gateway root
Inquire the IP address of user service S-CSCF in the mapping table according to user MDN, sip agent module is sent to the S-CSCF of IP address
Short message request, wherein information type RP-DATA, the Route header field of short message request carries orig mark；GtoVoLTE net
The short message request response for receiving S-CSCF forwarding is closed, short message is returned to GSM network and sends success response.
Further, GtoVoLTE gateway receives syncretizing note center eSMSC and is requested by the short message that S-CSCF is forwarded；
User is inquired in the mapping table in the location information of GSM network according to user MDN, is sent short message to GSM network and is sent request, with
Just GSM network progress short message, which issues and returns to short message to GtoVoLTE gateway after completing short message and issuing, sends response；If
GtoVoLTE gateway receives GSM network short message and sends success response, returns to short message to S-CSCF and requests success response.
Further, if GtoVoLTE gateway receive GSM network send de-registration request, by sip agent module to
IMS network I-CSCF sends de-registration request information；If GtoVoLTE gateway receives the requirement that S-CSCF is returned and carries authentication letter
The response of breath re-initiates and carries user authentication information de-registration request information；GtoVoLTE gateway receives IMS network and successfully infuses
After selling register response, the related tables that generate when deleting user's registration.
Further, if VoLTE IMS network log off procedure fails, GtoVoLTE gateway is reattempted to VoLTE
IMS network initiates de-registration request information, wherein it is configurable to reattempt to number, if reattempt to reach setting number after still
So failure reports to gateway management equipment and unsuccessfully alerts or prompt.
The present invention also provides a kind of devices for accessing VoLTE IMS network, comprising: receiving module, for receiving from complete
The authentication request of ball mobile communication system GSM network；Sip agent module, for passing through session after completing the authentication to GSM network
Initiation protocol sip agent module is sent out to the enquiry call conversation control function I-CSCF network element of IP multimedia subsystem IMS network
Send registration information；If the requirement that sip agent module receives I-CSCF return carries the response of authentication information, SIP generation
Reason module, which is used to re-initiate, carries user in the registration information of the authentication information of IMS network, so that I-CSCF is by information
It is forwarded to service call conversation control function S-CSCF, if S-CSCF completes subscription authentication and registration, passes through I-CSCF
Send successful registration register response；Sending module returns after IMS network successful registration register response for receiving to GSM network
Authentication request success response.
Further, if sending module for receiving module receive IMS network registration failure response or
Any response is not received in setting time, returns to authentication request failure response to GSM network.
Further, comprising: sip agent module is for being pre-configured with GSM and the mapping of IMS authentication parameter, user in IMS net
The authentication information of network, IMS network register the I-CSCF network element being sent to.
Wherein, GSM and the mapping of IMS authentication parameter include GSM IMSI and Mobile Directory Number MDN corresponding relationship；
User includes authentication mode, user name, encrypted message in the authentication information of IMS network.
It further, further include home location register module, mapping table generation module, wherein receiving module is also used to
Receive the more new position request that GSM network is sent；Home location register module is used to send insertion user data to GSM network
Request, GSM network return to insertion user data requests response；Sending module, which is used to return to more new position request to GSM network, to be rung
It answers；Mapping table generation module, for generating user in the mapping table of GSM network and IMS network associated dynamic information, associated dynamic
Information includes user IMSI, MDN, GSM location information, user service S-CSCF IP address.
Further, further includes: sip agent module is used to receive the called request INVITE information of S-CSCF transmission, SIP
Proxy module for inquiring user according to MDN in the position of GSM network in the mapping table, the GSM network registered to user's registration
It sends and obtains roaming number request；Receiving module is used to receive the roaming containing netsurfing number MSRN of GSM network return
Number request response；After sip agent module is used to obtain the GSM network roaming number MSRN of user, according to roaming number MSRN
Route the call to Media Gateway Control Function MGCF network element, called request INVITE information be sent to MGCF, MGCF according to
Roaming number routes the call to GSM network so that call request INVITE is routed to called subscriber by GSM network；Sip agent
If module is used to receive the response of called successful connection or failure, it is forwarded directly to S-CSCF.
Further, further includes: receiving module sends request for receiving GSM network short message；Sip agent module is used for
Inquire the IP address of user service S-CSCF in the mapping table according to user MDN, sip agent module is sent out to the S-CSCF of IP address
Short message is sent to request, wherein information type RP-DATA, the Route header field of short message request carries orig mark；Sending module
If the short message request response for receiving S-CSCF forwarding, returns to short message to GSM network and sends success response.
Further, sip agent module is asked for receiving syncretizing note center eSMSC by the short message that S-CSCF is forwarded
It asks；Sip agent module is used to inquire user in the mapping table in the location information of GSM network, to GSM network according to user MDN
It sends short message and sends request, send response so that GSM network progress short message issues and returns to short message after completing short message and issuing；
If sip agent module receives GSM network short message for receiving module and sends success response, short message is returned to S-CSCF and is asked
Ask success response.
Further, further includes: receiving module is used to receive the VoLTEIMS network de-registration request letter of GSM network transmission
Breath；Sip agent module is used to send de-registration request information to IMS network I-CSCF；If receiving the requirement that S-CSCF is returned to take
Response with authentication information re-initiates and carries user authentication information de-registration request information；If removing module is for receiving
IMS network successfully nullifies register response, the related tables generated when deleting user's registration.
Further, further includes: if VoLTE IMS network log off procedure fails, sip agent module is for reattempting to
De-registration request information is initiated to VoLTE IMS network, wherein reattempting to number can configure, and reach setting if reattempted to
Still fail after number, is reported to gateway management equipment and unsuccessfully alert or prompt.
The method and device for the access VoLTE IMS network that the disclosure provides, for China Telecom's VoLTE terminal in nothing
The network area VoLTE accesses the international roaming demand for carrying out voice, short message service by GSM network, solves current roaming technology
The problem of needing to rely on cdma network and need to configuring domain selection server, simple and easy, difficulty is small, and transformation cost is small, realizes
VoLTE terminal is directly accessed IMS network by GSM network, provides no area VoLTE by IMS network for VoLTE terminal and passes through
Voice, the short message service of GSM progress international roaming.
Detailed description of the invention
Fig. 1 shows the flow chart of the method for the access VoLTE IMS network of one embodiment of the invention.
Fig. 2 shows the VoLTE terminal GSM international roamings of one embodiment of the invention to register successful schematic diagram.
Fig. 3 shows the schematic diagram of the VoLTE terminal GSM international roaming registration failure of one embodiment of the invention.
Fig. 4 shows the schematic diagram of the called routing of VoLTE terminal GSM international roaming of one embodiment of the invention.
The VoLTE terminal GSM international roaming short message that Fig. 5 shows one embodiment of the invention sends successful schematic diagram.
The VoLTE terminal GSM international roaming short message that Fig. 6 shows one embodiment of the invention sends the schematic diagram of failure.
The VoLTE terminal GSM international roaming short message that Fig. 7 shows one embodiment of the invention receives successful schematic diagram.
Fig. 8 shows the schematic diagram of the VoLTE terminal GSM international roaming short message reception failure of one embodiment of the invention.
The schematic diagram of registration is nullified in the VoLTE terminal GSM international roaming that Fig. 9 shows one embodiment of the invention.
Figure 10 shows the structural block diagram of the device of the access VoLTE IMS network of one embodiment of the invention.
Figure 11 shows a kind of structural frames of the device of access VoLTE IMS network of another embodiment of the invention
Figure.
Specific embodiment
With reference to the accompanying drawings to invention is more fully described, wherein illustrating exemplary embodiment of the present invention.
Fig. 1 shows the flow chart of the method for the access VoLTE IMS network of one embodiment of the invention.As shown in Figure 1, should
Method specifically includes that
Step 100, GtoVoLTE (GSM to VoLTE, global system for mobile communications to the voice industry based on long term evolution
Business) gateway receive the authentication request from GSM network, complete to after the authentication of GSM network pass through SIP (Session
Initiation Protocol, session initiation protocol) enquiry call meeting of the proxy module to IP multimedia subsystem IMS network
It talks about control function I-CSCF network element and sends registration information.
Specifically, in one embodiment, GtoVoLTE gateway setting sip agent module and pre- in sip agent module
The first I- that configuration GSM and the mapping of IMS authentication parameter, user are sent in the authentication information of IMS network, IMS network registration
CSCF (Interrogating Call Session Control Function, enquiry call conversation control function) network element,
In, GSM and the mapping of IMS authentication parameter include GSM IMSI and MDN (Mobile Directory Number, mobile subscriber number
Book number) corresponding relationship；User includes authentication mode, user name, encrypted message in the authentication information of IMS network.
Step 102, the requirement that GtoVoLTE gateway receives that I-CSCF is returned carries the response of authentication information.
Step 104, GtoVoLTE gateway, which re-initiates, carries user in the registration request letter of the authentication information of IMS network
Breath, so that the registration information is forwarded to S-CSCF (Serving Call Session Control by I-CSCF
Function, service call conversation control function), if S-CSCF complete subscription authentication and registration, by I-CSCF to
GtoVoLTE gateway sends successful registration register response.
Step 106, GtoVoLTE gateway receives the successful registration register response of IMS network, returns to authentication to GSM network and asks
Ask success response.
In one embodiment, if GtoVoLTE gateway receives IMS network registration failure response or setting
Any response is not received in fixing time, and returns to authentication request failure response to GSM network.
Aiming at the problem that current roaming technology needs to rely on cdma network and need to configure domain selection server, by using new
Increase GtoVoLTE gateway and sip agent module, VoLTE terminal may be implemented by GSM network and be directly accessed IP multimedia subsystem
It unites IMS network, is that VoLTE terminal provides no area VoLTE and passes through the GSM progress voice of international roaming, short message industry by IMS network
Business；This programme is simple and easy, and transformation cost is small, realizes that cdma network operator can realize VOLTE end without cdma network
End carries out international roaming by GSM network.
In one embodiment, GtoVoLTE gateway receives IMS network successful registration register response, returns and reflects to GSM network
It include: that (1) GtoVoLTE gateway receives the more new position request that GSM network is sent after power request success response；(2)
GtoVoLTE gateway sends insertion user data requests to GSM network, and GSM network returns to insertion user data requests response；(3)
GtoVoLTE gateway is returned to GSM network updates position request response；(4) GtoVoLTE gateway generate user GSM network with
The mapping table of IMS network associated dynamic information, associated dynamic information include user IMSI, MDN, GSM location information, user service
S-CSCF IP address.
In one embodiment, GtoVoLTE gateway receives the called request INVITE information of S-CSCF transmission, according to
MDN inquires user in the position of GSM network in the mapping table, and the GSM network registered to user's registration, which is sent, obtains roaming number
Request；GtoVoLTE gateway receives the roaming number request response containing netsurfing number MSRN that GSM network returns；
GSM network MSRN (Mobile Station Roaming Number, the mobile station roaming number of GtoVoLTE gateway acquisition user
Code) after, sip agent module routes the call to Media Gateway Control Function MGCF (Media according to roaming number MSRN
Gateway Control Function, Media Gateway Control Function) network element, called request INVITE information is sent to
It is called so that GSM network routes to call request INVITE that MGCF, MGCF according to roaming number route the call to GSM network
User；GtoVoLTE gateway receives the response of called successful connection or failure, is forwarded directly to S-CSCF.
In one embodiment, GtoVoLTE gateway receives GSM network short message and sends request；GtoVoLTE gateway according to
User MDN inquires the IP address of user service S-CSCF in the mapping table, and sip agent module sends short to the S-CSCF of IP address
Message request, wherein information type RP-DATA, the Route header field of short message request carries orig mark；GtoVoLTE gateway
The short message for receiving S-CSCF forwarding requests response, returns to short message to GSM network and sends success response.
In one embodiment, GtoVoLTE gateway receives syncretizing note center eSMSC and short is disappeared by what S-CSCF was forwarded
Breath request；User is inquired in the mapping table in the location information of GSM network according to user MDN, is sent short message to GSM network and is sent
Request issues and after completing short message and issuing so that GSM network carries out short message to the return short message transmission response of GtoVoLTE gateway；
If GtoVoLTE gateway receives GSM network short message and sends success response, short message is returned to S-CSCF and requests success response.
In one embodiment, if GtoVoLTE gateway receives the de-registration request that GSM network is sent, pass through sip agent
Module sends de-registration request information to IMS network I-CSCF；If GtoVoLTE gateway receives the requirement that S-CSCF is returned and carries
The response of authentication information re-initiates and carries user authentication information de-registration request information；GtoVoLTE gateway receives IMS network
Succeed after nullifying register response, the related tables generated when deleting user's registration.If VoLTE IMS network log off procedure loses
It loses, GtoVoLTE gateway reattempts to VoLTEIMS network and initiates de-registration request information, wherein reattempting to number can match
Set, if reattempt to reach setting number after still fail, to gateway management equipment report unsuccessfully alert or prompt.
VoLTE terminal international roaming method provided in an embodiment of the present invention, for China Telecom's VoLTE terminal in nothing
The network area VoLTE accesses the international roaming demand for carrying out voice, short message service by GSM network, solves current roaming technology
The problem of needing to rely on cdma network and need to configuring domain selection server, proposes that one kind is directly accessed by GtoVoLTE gateway
The method and system of VoLTE IMS network realizes that VoLTE terminal is directly accessed IMS network by GSM network, is by IMS network
VoLTE terminal provides voice, the short message service for carrying out international roaming by GSM without the area VoLTE.
Fig. 2 shows the VoLTE terminal GSM international roamings of one embodiment of the invention to register successful schematic diagram, such as
Shown in Fig. 2, newly-increased GtoVoLTE gateway 22 and the sip agent module 24 for configuring GtoVoLTE gateway, the SIP of GtoVoLTE gateway
Proxy module is pre-configured with the network element I-CSCF and user's associated authentication information that IMS network registration is sent to, authentication information
The registration process of IMS network is directly initiated after completing GSM network authentication including authentication mode, user name, encrypted message,
Concrete methods of realizing is as shown in the figure, comprising the following steps:
Step 201, GtoVoLTE gateway receives the authentication request SEND_AUTHENTICAITION_ of GSM network transmission
INFO completes GSM network authentication request.
Step 202, login request message Register is sent to IMS network I-CSCF by sip agent module.
Step 203, I-CSCF obtains user service S-CSCF according to current mechanism, and registration scenarios are sent to the S-
CSCF。
Step 204, S-CSCF sends 401 responses to I-CSCF by current mechanism, it is desirable that carries authentication information.
Step 205, which is forwarded to GtoVoLTE gateway by I-CSCF.
Step 206, GtoVoLTE gateway re-initiates Register, carries subscription authentication message.
Step 207, which is forwarded to S-CSCF by I-CSCF.
Step 208, S-CSCF completes subscription authentication and registration, sends 200OK response to I-CSCF.
Step 209, which is forwarded to GtoVoLTE gateway by I-CSCF.
Step 210, after GtoVoLTE gateway receives IMS network successful registration register response, to the MSC/ of GSM network
VLR 21 returns to authentication request success response SEND_AUTHENTICAITION_INFO_Ack.
Step 211, GtoVoLTE gateway receives the more new position request UPDATE_LOCATION of GSM network transmission.
Step 212, GtoVoLTE gateway sends insertion user data requests INSERT_SUB_DATA to GSM network.
Step 213, GSM network returning response INSERT_SUB_DATA_Ack.
Step 214, GtoVoLTE gateway is returned to GSM network updates position request response UPDATE_LOCATION_Ack,
GtoVoLTE gateway generate user GSM network and IMS network associated dynamic information mapping table, include user IMSI, MDN,
GSM location information, user service S-CSCF IP address.
Fig. 3 shows the schematic diagram of the VoLTE terminal GSM international roaming registration failure of one embodiment of the invention, newly
Increase GtoVoLTE gateway and configure sip agent module, is pre-configured with the network element I-CSCF and use that IMS network registration is sent to
Family associated authentication information (such as authentication mode, user name, encrypted message).Sip agent module configures GSM and IMS authentication parameter
Mapping directly initiates the registration process of IMS network after completing GSM network authentication.Concrete methods of realizing includes following step
It is rapid:
Step 301, GtoVoLTE gateway receives the authentication request SEND_AUTHENTICAITION_ of GSM network transmission
INFO completes GSM network authentication request.
Step 302, login request message Register is sent to IMS network I-CSCF by sip agent module.
Step 303, I-CSCF obtains user service S-CSCF according to current mechanism, and registration scenarios are sent to the S-
CSCF。
Step 304, S-CSCF sends 401 responses to I-CSCF by current mechanism, it is desirable that carries authentication information.
Step 305, which is forwarded to GtoVoLTE gateway by I-CSCF, it is desirable that carries authentication information.
Step 306, GtoVoLTE gateway re-initiates Register, carries subscription authentication message.
Step 307, which is forwarded to S-CSCF by I-CSCF.
Step 308, S-CSCF (for example authentication information is incorrect) registration failure due to various reasons returns
The 4XX such as 403Forbidden request failure response.
Step 309, which is forwarded to GtoVoLTE gateway by I-CSCF.
Step 310, GtoVoLTE gateway receive IMS network registration failure response (4XX such as 403Forbidden are asked
Seek failure response) or timer terminate before do not receive response etc. registration failure scene, to GSM network return authentication request
Failure response SEND_AUTHENTICAITION_INFO_Ack, and reported to gateway management equipment and unsuccessfully alert or prompt.
Fig. 4 shows the schematic diagram of the called routing of VoLTE terminal GSM international roaming of one embodiment of the invention, and VoLTE is whole
End is diffused out by the world GSM, and for VoLTE terminal as being called, call request INVITE will be routed to called service by current mechanism
S-CSCF, S-CSCF directly send call request INVITE to GtoVOLTE gateway.As shown in figure 4, concrete methods of realizing can be with
The following steps are included:
Step 401, GtoVOLTE gateway receives the called request INVITE of S-CSCF transmission, according to MDN in mapping table
Middle inquiry user is in the position of GSM network.
Step 402, the GSM registered to user's registration, which is sent, obtains roaming number request PROVIDE_ROAMING_NO.
Step 403, GSM network returning response PROVIDE_ROAMING_NO_Ack carries GSM network roaming number
(MSRN, Mobile Station Roaming Number).
Step 404, after GtoVoLTE gateway gets GSM roaming number (MSRN), sip agent module will according to roaming number
INVITE message is sent to MGCF to MGCF by call routing.
Step 405, MGCF routes the call to GSM network according to roaming number, and GSM network will call road by current mechanism
By to called subscriber.GtoVoLTE gateway receives the response of called successful connection or failure, is forwarded directly to S-CSCF.
The VoLTE terminal GSM international roaming short message that Fig. 5 shows one embodiment of the invention sends successful schematic diagram, such as
Shown in Fig. 5, the specific steps are as follows:
Step 501, VoLTE terminal is diffused out by the world GSM, and VoLTE terminal sends short message, and GSM network is to GtoVoLTE
Gateway sends short message and sends request ForwardShortMessageReq.
Step 502, GtoVoLTE gateway receives GSM network short message and sends request ForwardShortMessageReq,
User service S-CSCF IP address is inquired in the mapping table according to user MDN, and sip agent module sends short message to S-CSCF
It requests MESSAGE (RP-DATA), Message Type is RP-DATA (MS to Network), and Route header field carries orig mark
Know.
Step 503, S-CSCF is identified according to orig MESSAGE (RP-DATA) message being sent to syncretizing note center
eSMSC。
Step 504, eSMSC returns to 202Accepted response.
Step 505,202Accepted response is forwarded to GtoVoLTE gateway by S-CSCF.
Step 506, it is RP-DATA that eSMSC, which sends confirmation message MESSAGE (RP-ACK) Message Type to S-CSCF,
(Network to MS)。
Step 507, MESSAGE (RP-ACK) is forwarded to GtoVoLTE gateway by S-CSCF.
Step 508, GtoVoLTE gateway returns to 200OK response.
Step 509, GtoVoLTE gateway returns to short message to GSM network and sends success response
ForwardShortMessageAck。
The VoLTE terminal GSM international roaming short message that Fig. 6 shows one embodiment of the invention sends the schematic diagram of failure, such as
Shown in Fig. 6, this method comprises the following steps:
Step 601, VoLTE terminal is diffused out by the world GSM, and VoLTE terminal sends short message, and GSM network is to GtoVoLTE
Gateway sends short message and sends request ForwardShortMessageReq.
Step 602, GtoVoLTE gateway receives GSM network short message and sends request ForwardShortMessageReq,
User service S-CSCF IP address is inquired in the mapping table according to user MDN, and sip agent module sends short message to S-CSCF
It requests MESSAGE (RP-DATA), Message Type is RP-DATA (MS to Network), and Route header field carries orig mark
Know.
Step 603, S-CSCF is identified according to orig MESSAGE (RP-DATA) message being sent to syncretizing note center
eSMSC。
Step 604, eSMSC returns to the request failure response such as 4XX.
Step 605,4XX response is forwarded to GtoVoLTE gateway by S-CSCF.
Step 606, GtoVoLTE gateway receives in 4XX request failure response or timer and is not received by response,
Short message, which is returned, to GSM network sends failure response ForwardShortMessageAck.
The VoLTE terminal GSM international roaming short message that Fig. 7 shows one embodiment of the invention receives successful schematic diagram, such as
Shown in Fig. 7, comprise the following specific steps that:
Step 701, VoLTE terminal is diffused out by the world GSM, and syncretizing note center eSMSC needs to send to VoLTE terminal
Short message, syncretizing note center eSMSC send short message request MESSAGE (RP-DATA) to S-CSCF, and Message Type is
RP-DATA(Network to MS)。
Step 702, short message request MESSAGE (RP-DATA) is forwarded to GtoVoLTE gateway by S-CSCF.
Step 703, GtoVoLTE gateway receives MESSAGE (RP-DATA), is inquired in the mapping table according to user MDN
User sends short message to GSM network and sends request ForwardShortMessageReq in the location information of GSM network.
Step 704, GSM network is issued by current mechanism progress short message, returns to short message hair to GtoVoLTE gateway after completion
Send success response ForwardShortMessageAck.
Step 704, GtoVoLTE gateway receives GSM network short message and is successfully transmitted response
ForwardShortMessageAck。
GtoVoLTE gateway returns to 200OK to S-CSCF.
Step 706, S-CSCF returns to 200OK to syncretizing note center eSMSC.
Step 707, GtoVoLTE gateway sends MESSAGE (RP-ACK) to S-CSCF.
Step 708, MESSAGE (RP-ACK) is forwarded to eSMSC by S-CSCF.
Step 709, eSMSC receives MESSAGE (RP-ACK) and returns to 202Accepted.
Step 710,202Accepted is forwarded to GtoVoLTE gateway by S-CSCF.
The schematic diagram of VoLTE terminal GSM international roaming short message reception failure, as shown in figure 8, including following specific stage
It is rapid:
Step 801, VoLTE terminal is diffused out by the world GSM, and syncretizing note center eSMSC needs to send to VoLTE terminal
Short message, syncretizing note center eSMSC send short message request MESSAGE (RP-DATA) to S-CSCF, and Message Type is
RP-DATA(Network to MS)。
Step 802, short message request MESSAGE (RP-DATA) is forwarded to GtoVoLTE gateway by S-CSCF.
Step 803, GtoVoLTE gateway receives MESSAGE (RP-DATA), is inquired in the mapping table according to user MDN
User sends short message to GSM network and sends request ForwardShortMessageReq in the location information of GSM network.
Step 804, GSM network is issued by current mechanism progress short message, and short message, which issues, unsuccessfully to be returned to GtoVoLTE gateway
Short message sends failure response ForwardShortMessageAck.
Step 805, GtoVoLTE gateway receives the failure response of GSM network short message transmission
After ForwardShortMessageAck, 4XX is returned to S-CSCF by RFC3261 according to failure cause and requests failure response.
Step 806,4XX is forwarded to eSMSC by S-CSCF.
The schematic diagram of registration is nullified in the VoLTE terminal GSM international roaming that Fig. 9 shows one embodiment of the invention, such as Fig. 9 institute
Show, the specific steps are as follows:
Step 901, GtoVoLTE gateway receives the de-registration request MAP_PURGE_MS that GSM network is sent.
Step 902, it executes GSM network de-registration request and responds de-registration request MAP_PURGE_MS_Ack, delete GSM network
Relevant user data.
Step 903, GtoVoLTE gateway is pre-configured with IMS network and nullifies the network element I-CSCF and user's phase that registration is sent to
It closes authentication information (such as authentication mode, user name, encrypted message), is sent and infused to IMS network I-CSCF by sip agent module
Sell request message Register.
Step 904, I-CSCF obtains the service S-CSCF of user's registration according to current mechanism, and de-registration request is sent to
The S-CSCF.
Step 905, S-CSCF sends 401 responses to I-CSCF by current mechanism, it is desirable that carries authentication information.
Step 906, which is forwarded to GtoVoLTE gateway by I-CSCF.
Step 907, GtoVoLTE gateway re-initiates Register, carries subscription authentication message.
Step 908, which is forwarded to S-CSCF by I-CSCF, and S-CSCF completes subscription authentication and steps on cancellation
Note.
Step 909, S-CSCF sends 200OK response to I-CSCF.
Step 910,200OK response is forwarded to GtoVoLTE gateway by I-CSCF.
GtoVoLTE gateway receives the correlation after IMS network successfully nullifies register response, generated when deleting user's registration
Mapping table.If VoLTE IMS network log off procedure fails, reattempts to VoLTE IMS network and initiate de-registration request, weight
New try number is configurable.It reattempts to after the number of setting if still failed, reports to gateway management equipment and unsuccessfully alert
Or prompt.
The application compared with the prior art for, without cdma network can realize VOLTE terminal pass through GSM network carry out
International roaming meets the main trend and strategic objective of the following CDMA logout, directly increases sip agent on existing GC roaming gateway
Module is transformed into GtoVoLTE gateway or newly-built GtoVoLTE gateway realizes that simple and easy, difficulty is small, and transformation cost is small.
Figure 10 shows the structural block diagram of the device of the access VoLTE IMS network of one embodiment of the invention, such as Figure 10 institute
Show, which includes: receiving module 1001, for receiving the authentication request from global system for mobile communications GSM network；
Sip agent module 1002, for passing through session initiation protocol sip agent module to the more matchmakers of IP after completing the authentication to GSM network
The enquiry call conversation control function I-CSCF network element of body subsystem, IMS network sends registration information；If sip agent mould
The requirement that block 1002 receives I-CSCF return carries the response of authentication information, and sip agent module 1002 is taken for re-initiating
With user the authentication information of IMS network registration information, so that I-CSCF forwards information to service call session control
Function S-CSCF processed sends successful registration register response by I-CSCF if S-CSCF completes subscription authentication and registration；
Sending module 1003 returns to authentication request success response to GSM network after IMS network successful registration register response for receiving.
In one embodiment, if sending module 1003 receives IMS network registration failure for receiving module
Response does not receive any response within the set time, returns to authentication request failure response to GSM network.
In one embodiment, sip agent module 1002 is for being pre-configured with GSM and the mapping of IMS authentication parameter, Yong Hu
The authentication information of IMS network, IMS network register the I-CSCF network element being sent to, wherein GSM and the mapping of IMS authentication parameter are wrapped
Include GSM IMSI and Mobile Directory Number MDN corresponding relationship；User includes authentication side in the authentication information of IMS network
Formula, user name, encrypted message.
In one embodiment, which further includes home location register module 1005, mapping table generation module 1006,
Wherein, receiving module 1001 is also used to receive the more new position request of GSM network transmission；Home location register module 1005 is used
In sending insertion user data requests to GSM network, GSM network returns to insertion user data requests response；Sending module 1003
Position request response is updated for returning to GSM network；Mapping table generation module 1006 for generate user GSM network with
The mapping table of IMS network associated dynamic information, associated dynamic information include user IMSI, MDN, GSM location information, user service
S-CSCF IP address.
In one embodiment, further includes: sip agent module 1002 is used to receive the called request of S-CSCF transmission
INVITE information, sip agent module 1002 for inquiring user according to MDN in the position of GSM network, to user in the mapping table
The GSM network of registration, which is sent, obtains roaming number request；Receiving module 1001 be used for receive GSM network return contain net
The roaming number request of network roaming number MSRN responds；Sip agent module 1002 is used to obtain the GSM network roaming number of user
After MSRN, Media Gateway Control Function MGCF network element is routed the call to according to roaming number MSRN, by called request INVITE
Information is sent to MGCF, and MGCF routes the call to GSM network so that GSM network is by call request INVITE according to roaming number
Route to called subscriber；If sip agent module 1002 is used to receive the response of called successful connection or failure, directly forward
To S-CSCF.
In one embodiment, further includes: receiving module 1001 sends request for receiving GSM network short message；SIP generation
Reason module 1002 is used to inquire the IP address of user service S-CSCF in the mapping table according to user MDN, and sip agent module is to IP
The S-CSCF of address sends short message request, wherein information type RP-DATA, the Route header field of short message request carries orig
Mark；If sending module 1003 is used to receive the short message request response of S-CSCF forwarding, short message is returned to GSM network and is sent
Success response.
In one embodiment, sip agent module 1002 is forwarded for receiving syncretizing note center eSMSC by S-CSCF
Short message request；Sip agent module 1002 is used to inquire user in the mapping table in the position of GSM network according to user MDN
Information sends short message to GSM network and sends request, so that GSM network progress short message issues and returns after completing short message and issuing
Short message sends response；It is successfully rung if sip agent module 1002 receives GSM network short message and send for receiving module 1001
It answers, returns to short message to S-CSCF and request success response.
In one embodiment, receiving module 1001 is used to receive the VoLTE IMS network de-registration request of GSM network transmission
Information；Sip agent module 1002 is used to send de-registration request information to IMS network I-CSCF；If receiving what S-CSCF was returned
It is required that carrying the response of authentication information, re-initiates and carry user authentication information de-registration request information；Removing module 1007 is used for
If receiving IMS network successfully nullifies register response, the related tables generated when deleting user's registration.
In one embodiment, if VoLTE IMS network log off procedure fails, sip agent module 1002 is for again
It attempts to initiate de-registration request information to VoLTE IMS network, wherein reattempting to number can configure, and reach if reattempted to
Still fail after setting number, is reported to gateway management equipment and unsuccessfully alert or prompt.
Figure 11 shows a kind of structural frames of the device of access VoLTE IMS network of another embodiment of the invention
Figure.Access VoLTE IMS network device 1100 can be the host server for having computing capability, personal computer PC or
The portable portable computer of person, mobile terminal or other terminals etc..The specific embodiment of the invention is not to calculate node
Specific implementation limits.
The device 1100 for accessing VoLTE IMS network includes processor (processor) 1101, communication interface
(Communications Interface) 1102, memory (memory) 1103 and bus 1104.Wherein, processor 1101,
Communication interface 1102 and memory 1103 pass through bus 1104 and complete mutual communication.
Communication interface 1102 is used for and network device communications, and wherein the network equipment includes such as Virtual Machine Manager center, is total to
Enjoy storage etc..
Processor 1101 is for executing program.Processor 1101 can be a central processor CPU, or can be specially
With integrated circuit ASIC (Application Specific Integrated Circuit), or it is arranged to implement this
One or more integrated circuits of inventive embodiments.
Memory 1103 is for storing file.Memory 1103 may include high speed RAM memory, can also further include non-easy
The property lost memory (non-volatile memory), for example, at least a magnetic disk storage.Memory 1103 is also possible to store
Device array.Memory 1103 is also possible to by piecemeal, and block can be combined into virtual volume by certain rule.
In one embodiment, above procedure can be the program code for including computer operation instruction.The program is specific
Can be used for: global system for mobile communications to the voice service GtoVoLTE gateway based on long term evolution receives mobile logical from the whole world
The authentication request of letter system GSM network is completed to passing through session initiation protocol sip agent module after the authentication of GSM network to IP
The enquiry call conversation control function I-CSCF network element of multimedia subsystem, IMS network sends registration information；If
GtoVoLTE gateway receives the response that the requirement that I-CSCF is returned carries authentication information, and GtoVoLTE gateway re-initiates carrying and uses
Family the authentication information of IMS network registration information, so that I-CSCF forwards information to service call session control function
Energy S-CSCF is sent to GtoVoLTE gateway by I-CSCF and is successfully infused if S-CSCF completes subscription authentication and registration
Volume register response；GtoVoLTE gateway receive IMS network successful registration register response, to GSM network return authentication request at
Function response.
In one embodiment, GtoVoLTE gateway, which re-initiates, carries user in the note of the authentication information of IMS network
After volume solicited message further include: if GtoVoLTE gateway receives IMS network registration failure response or setting
Any response is not received in time, returns to authentication request failure response to GSM network.
In one embodiment, GtoVoLTE gateway is arranged sip agent module and is pre-configured in sip agent module
The I-CSCF network element that GSM and the mapping of IMS authentication parameter, user are sent in the authentication information of IMS network, IMS network registration,
Wherein, GSM and the mapping of IMS authentication parameter include GSM IMSI and Mobile Directory Number MDN corresponding relationship；User exists
The authentication information of IMS network includes authentication mode, user name, encrypted message.
In one embodiment, GtoVoLTE gateway receives IMS network successful registration register response, returns to GSM network
Returning authentication request success response later includes: that GtoVoLTE gateway receives the more new position request that GSM network is sent；GtoVoLTE
Gateway sends insertion user data requests to GSM network, and GSM network returns to insertion user data requests response；GtoVoLTE net
It closes to return to GSM network and updates position request response；It is related to IMS network dynamic in GSM network that GtoVoLTE gateway generates user
The mapping table of state information, associated dynamic information include user IMSI, MDN, GSM location information, user service S-CSCF IP
Location.
In one embodiment, GtoVoLTE gateway receives the called request INVITE information of S-CSCF transmission, root
User is inquired in the mapping table according to MDN in the position of GSM network, the GSM network registered to user's registration, which is sent, obtains roaming number
Code request；GtoVoLTE gateway receives the roaming number request response containing netsurfing number MSRN that GSM network returns；
After GtoVoLTE gateway obtains the GSM network roaming number MSRN of user, sip agent module will be called according to roaming number MSRN
Media Gateway Control Function MGCF network element is routed to, called request INVITE information is sent to MGCF, MGCF is according to roaming number
Code routes the call to GSM network so that call request INVITE is routed to called subscriber by GSM network；GtoVoLTE gateway is received
To called successful connection or the response of failure, it is forwarded directly to S-CSCF.
In one embodiment, further includes: GtoVoLTE gateway receives GSM network short message and sends request；
GtoVoLTE gateway inquires the IP address of user service S-CSCF according to user MDN in the mapping table, and sip agent module is to IP
The S-CSCF of location sends short message request, wherein information type RP-DATA, the Route header field of short message request carries orig mark
Know；The short message that GtoVoLTE gateway receives S-CSCF forwarding requests response, returns to short message to GSM network and sends success response.
In one embodiment, GtoVoLTE gateway reception syncretizing note center eSMSC is forwarded short by S-CSCF
Message request；User is inquired in the mapping table in the location information of GSM network according to user MDN, sends short message hair to GSM network
Request is sent, is issued and after completing short message and issuing so that GSM network carries out short message to GtoVoLTE gateway return short message transmission sound
It answers；If GtoVoLTE gateway receives GSM network short message and sends success response, short message is returned to S-CSCF and requests successfully to ring
It answers.
In one embodiment, if GtoVoLTE gateway receives the de-registration request that GSM network is sent, pass through SIP generation
It manages module and sends de-registration request information to IMS network I-CSCF；If GtoVoLTE gateway receives the requirement that S-CSCF is returned and takes
Response with authentication information re-initiates and carries user authentication information de-registration request information；GtoVoLTE gateway receives IMS net
After network successfully nullifies register response, the related tables that generate when deleting user's registration.
In one embodiment, if VoLTE IMS network log off procedure fail, GtoVoLTE gateway reattempt to
VoLTE IMS network initiates de-registration request information, wherein it is configurable to reattempt to number, reaches setting time if reattempted to
Still fail after number, is reported to gateway management equipment and unsuccessfully alert or prompt.
Those of ordinary skill in the art may be aware that each exemplary cell and algorithm in embodiment described herein
Step can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions actually with hardware also
It is software form to realize, the specific application and design constraint depending on technical solution.Professional technician can be directed to
It is specific that described function is realized using different methods is selected, but this realization is it is not considered that exceed model of the invention
It encloses.
If function and when sold or used as an independent product is realized in the form of computer software, certain
It is believed that all or part (such as the part that contributes to existing technology) of technical solution of the present invention is in terms of in degree
What the form of calculation machine software product embodied.The computer software product is generally stored inside computer-readable non-volatile memories
In medium, including some instructions are used so that computer equipment (can be personal computer, server or network equipment etc.)
Execute all or part of the steps of various embodiments of the present invention method.And storage medium above-mentioned include USB flash disk, it is mobile hard disk, read-only
Memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or
The various media that can store program code such as person's CD.
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (18)
1. a kind of method for accessing VoLTE IMS network characterized by comprising
Global system for mobile communications receives to the voice service GtoVoLTE gateway based on long term evolution and comes from global mobile communication
The authentication request of system GSM network is completed more to IP to session initiation protocol sip agent module is passed through after the authentication of GSM network
The enquiry call conversation control function I-CSCF network element of media subsystem IMS network sends registration information；
The GtoVoLTE gateway receives the response that the requirement that the I-CSCF is returned carries authentication information；
The GtoVoLTE gateway re-initiates the registration information for carrying authentication information of the user in IMS network, so as to I-
The authentication information is forwarded to service call conversation control function S-CSCF by CSCF, if the S-CSCF completes subscription authentication
With registration, successful registration register response is sent to GtoVoLTE gateway by I-CSCF；
The GtoVoLTE gateway receives the successful registration register response of IMS network, returns to authentication request to GSM network and successfully rings
It answers.
2. existing the method according to claim 1, wherein the GtoVoLTE gateway re-initiates carrying user
After the registration information of the authentication information of IMS network further include:
Appoint if the GtoVoLTE gateway receives IMS network registration failure response or do not receive within the set time
What is responded, and returns to authentication request failure response to GSM network.
3. the method according to claim 1, wherein further include:
The GtoVoLTE gateway, which is arranged sip agent module and is pre-configured with GSM and IMS in the sip agent module, to be authenticated
Parameter mapping, user register the I-CSCF network element being sent in the authentication information of IMS network, IMS network,
Wherein, GSM and the mapping of IMS authentication parameter include GSM IMSI and Mobile Directory Number MDN corresponding relationship；
User includes authentication mode, user name, encrypted message in the authentication information of IMS network.
4. the method according to claim 1, wherein the GtoVoLTE gateway receives IMS network successful registration
Register response, returning to authentication request success response later to GSM network includes:
The GtoVoLTE gateway receives the more new position request that GSM network is sent；
The GtoVoLTE gateway sends insertion user data requests to the GSM network, and the GSM network returns to insertion user
Request of data response；
The GtoVoLTE gateway is returned to the GSM network updates position request response；
The GtoVoLTE gateway generates user in the mapping table of GSM network and IMS network associated dynamic information, and the correlation is dynamic
State information includes user IMSI, MDN, GSM location information, the address user service S-CSCFIP.
5. according to the method described in claim 4, it is characterized by further comprising:
The GtoVoLTE gateway receives the called request INVITE information of S-CSCF transmission, according to MDN in the mapping table
For middle inquiry user in the position of GSM network, the GSM network registered to user's registration, which is sent, obtains roaming number request；
The GtoVoLTE gateway receives the roaming number request response containing netsurfing number MSRN that GSM network returns；
After the GtoVoLTE gateway obtains the GSM network roaming number MSRN of user, sip agent module is according to roaming number
MSRN routes the call to Media Gateway Control Function MGCF network element, and the called request INVITE information is sent to MGCF,
MGCF routes the call to GSM network so that call request INVITE is routed to called subscriber by GSM network according to roaming number；
The GtoVoLTE gateway receives the response of called successful connection or failure, is forwarded directly to S-CSCF.
6. according to the method described in claim 4, it is characterized by further comprising:
The GtoVoLTE gateway receives the GSM network short message and sends request；
The GtoVoLTE gateway inquires the IP address of user service S-CSCF, SIP generation according to user MDN in the mapping table
It manages module and sends short message request to the S-CSCF of the IP address, wherein the information type RP- of the short message request
DATA, Route header field carry orig mark；
The short message that the GtoVoLTE gateway receives S-CSCF forwarding requests response, returns to short message to GSM network and sends successfully
Response.
7. method according to any one of claims 1-4, which is characterized in that
The GtoVoLTE gateway receives syncretizing note center eSMSC and is requested by the short message that S-CSCF is forwarded；
User is inquired in the mapping table in the location information of GSM network according to user MDN, is sent short message transmission to GSM network and is asked
It asks, issues and after completing short message and issuing so that GSM network carries out short message to the return short message transmission response of GtoVoLTE gateway；
If GtoVoLTE gateway receives GSM network short message and sends success response, short message is returned to S-CSCF and is requested successfully
Response.
8. method according to any of claims 1-4, which is characterized in that further include:
If the GtoVoLTE gateway receives the de-registration request that GSM network is sent, by sip agent module to IMS network I-
CSCF sends de-registration request information；
If the GtoVoLTE gateway receives the response that the requirement that S-CSCF is returned carries authentication information, re-initiates carrying and use
Family authentication information de-registration request information；
GtoVoLTE gateway receives the correlation map after IMS network successfully nullifies register response, generated when deleting user's registration
Table.
9. according to the method described in claim 8, it is characterized by further comprising:
If VoLTE IMS network log off procedure fails, the GtoVoLTE gateway is reattempted to initiates to VoLTE IMS network
De-registration request information, wherein it is configurable to reattempt to number, if reattempt to reach setting number after still fail, to net
Management equipment is closed to report unsuccessfully alarm or prompt.
10. a kind of device for accessing VoLTE IMS network characterized by comprising
Receiving module, for receiving the authentication request from global system for mobile communications GSM network；
Sip agent module, for passing through session initiation protocol sip agent module to the more matchmakers of IP after completing the authentication to GSM network
The enquiry call conversation control function I-CSCF network element of body subsystem, IMS network sends registration information；
If sip agent module receives the response that the requirement that the I-CSCF is returned carries authentication information, sip agent module is used
User is carried in the registration information of the authentication information of IMS network, so that I-CSCF forwards the information in re-initiating
Pass through I-CSCF if the S-CSCF completes subscription authentication and registration to service call conversation control function S-CSCF
Send successful registration register response；
Sending module returns to authentication request success response to GSM network after IMS network successful registration register response for receiving.
11. device according to claim 10, which is characterized in that if sending module receives IMS for receiving module
Network registry registration failure responds or does not receive within the set time any response, returns to authentication request failure to GSM network
Response.
12. device according to claim 10 characterized by comprising
The sip agent module be used for be pre-configured with GSM and IMS authentication parameter mapping, user IMS network authentication information,
IMS network registers the I-CSCF network element being sent to,
Wherein, GSM and the mapping of IMS authentication parameter include GSM IMSI and Mobile Directory Number MDN corresponding relationship；User
It include authentication mode, user name, encrypted message in the authentication information of IMS network.
13. device according to claim 10, which is characterized in that further include home location register module, mapping table is raw
At module,
Wherein, the receiving module is also used to receive the more new position request of GSM network transmission；
Home location register module is used to send insertion user data requests to GSM network, and GSM network returns to insertion number of users
It is responded according to request；
The sending module, which is used to return to GSM network, updates position request response；
Mapping table generation module, for generating user in the mapping table of GSM network and IMS network associated dynamic information, the phase
Closing multidate information includes user IMSI, MDN, GSM location information, the address user service S-CSCFIP.
14. device according to claim 13, which is characterized in that further include:
The sip agent module is used to receive the called request INVITE information of S-CSCF transmission, and the sip agent module is used for
User is inquired in the mapping table according to MDN in the position of GSM network, the GSM network registered to user's registration, which is sent, to be obtained
Roaming number request；
The receiving module is used to receive the roaming number request response containing netsurfing number MSRN of GSM network return；
After the sip agent module is used to obtain the GSM network roaming number MSRN of user, it will be called according to roaming number MSRN
Media Gateway Control Function MGCF network element is routed to, the called request INVITE information is sent to MGCF, MGCF is according to unrestrained
Trip number routes the call to GSM network so that call request INVITE is routed to called subscriber by GSM network；
If the sip agent module is used to receive the response of called successful connection or failure, it is forwarded directly to S-CSCF.
15. device according to claim 13, which is characterized in that further include:
The receiving module sends request for receiving GSM network short message；
The sip agent module is used to inquire the IP address of user service S-CSCF in the mapping table according to user MDN,
Sip agent module sends short message request to the S-CSCF of the IP address, wherein the information type of the short message request
RP-DATA, Route header field carry orig mark；
If the sending module is used to receive the short message request response of S-CSCF forwarding, short message is returned to GSM network and is sent
Success response.
16. any device in 0-13 according to claim 1, which is characterized in that
The sip agent module is used to receive syncretizing note center eSMSC and is requested by the short message that S-CSCF is forwarded；
The sip agent module is used to inquire user in the mapping table in the location information of GSM network, to GSM according to user MDN
Network sends short message and sends request, rings so that GSM network progress short message issues and returns to short message after completing short message and issuing and send
It answers；
If the sip agent module receives GSM network short message for receiving module and sends success response, returned to S-CSCF
Short message requests success response.
17. device described in any one of 0-13 according to claim 1, which is characterized in that further include:
The receiving module is used to receive the VoLTE IMS network de-registration request information of GSM network transmission；
The sip agent module is used to send de-registration request information to IMS network I-CSCF；If receiving wanting for S-CSCF return
The response for carrying authentication information is asked, re-initiates and carries user authentication information de-registration request information；
If removing module successfully nullifies register response for receiving IMS network, the correlation generated when deleting user's registration is reflected
Firing table.
18. device according to claim 17, which is characterized in that further include:
If VoLTE IMS network log off procedure fails, sip agent module is initiated for reattempting to VoLTE IMS network
De-registration request information, wherein it is configurable to reattempt to number, if reattempt to reach setting number after still fail, to net
Management equipment is closed to report unsuccessfully alarm or prompt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967914.XA CN106911626B (en) | 2015-12-22 | 2015-12-22 | Access the method and device of VoLTE IMS network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510967914.XA CN106911626B (en) | 2015-12-22 | 2015-12-22 | Access the method and device of VoLTE IMS network |
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| EP3669581A4 (en) | 2017-08-14 | 2021-05-05 | Telefonaktiebolaget LM Ericsson (PUBL) | Methods and devices for registering a user equipment, ue, with low access priority in an internet protocol based multimedia subsystem, ims |
| CN110800334B (en) * | 2017-10-26 | 2022-11-15 | 深圳市欢太科技有限公司 | User equipment call detection method and related product |
| CN113726800B (en) * | 2021-08-31 | 2022-07-12 | 中国电信股份有限公司 | Communication method and device of multimedia real-time service, electronic equipment and readable medium |
| CN115568011B (en) * | 2022-02-07 | 2023-10-24 | 荣耀终端有限公司 | Method for user equipment to initiate IMS registration and corresponding user equipment |
| CN115022878B (en) * | 2022-08-08 | 2022-11-11 | 中国电子科技集团公司第三十研究所 | Method, apparatus and medium for takeover of selected VoLTE user |
| CN115348550A (en) * | 2022-08-19 | 2022-11-15 | 中国电信股份有限公司 | Roaming short message service implementation method, device, system, electronic equipment and medium |
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| CN101296504A (en) * | 2007-04-26 | 2008-10-29 | 华为技术有限公司 | Method, system and device for implementing IP multimedia subsystem service in roaming network |
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