CN106911626A - Access the method and device of VoLTE IMS networks - Google Patents
Access the method and device of VoLTE IMS networks Download PDFInfo
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- CN106911626A CN106911626A CN201510967914.XA CN201510967914A CN106911626A CN 106911626 A CN106911626 A CN 106911626A CN 201510967914 A CN201510967914 A CN 201510967914A CN 106911626 A CN106911626 A CN 106911626A
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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
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Abstract
The present invention discloses a kind of method and device of access VoLTE IMS networks, is related to moving communicating field, wherein, the method includes：GtoVoLTE receives the authentication request from GSM network and sends registration information from sip agent module to the I-CSCF network elements of IMS network；Receive the response of the requirement carrying authentication information that the I-CSCF is returned；Again initiate to carry registration information of the user in the authentication information of IMS network, so that described information is forwarded to S-CSCF by I-CSCF, if the S-CSCF completes subscription authentication with registration, successful registration register response is sent to GtoVoLTE gateways by I-CSCF, authentication request success response is returned to GSM network.The present invention realizes that VOLTE terminals carry out international roaming by GSM network without cdma network, and simple and easy to apply, difficulty is small, and transformation cost is small.
Description
Technical field
The present invention relates to LTE technical fields, more particularly to a kind of access VoLTE IMS networks
Method and device.
Background technology
It is China Telecom VoLTE (Voice over LTE, based on LTE's that CDMA 1X are substituted
One of speech business) commercial driving force.In order to break away from CDMA (Code Division as early as possible
Multiple Access, CDMA) network, main flow is incorporated, China Telecom is promoted mainly without C moulds
VoLTE terminals.Asked in view of VoLTE terminals to the international roaming without VoLTE network areas
Topic, need to be using band GSM (Global System for Mobile Communication, the whole world
GSM) mould VoLTE terminals, international roaming is realized by GSM network.
But, also there are problems that under prior art it is following two need solve：China Telecom VoLTE
Terminal use GSM network international roaming when, it is necessary in CDMA HLR (Home Location
Register, attaching position register) to distribute telephone numbers, audio call needs GMSC (Gateway
Mobile Switching Center, GMSC) it is route, short message service is needed
Through CDMA signaling networks, cause dependence of the international roaming to CDMA network facility, be unfavorable for realizing
Break away from the strategic objective of cdma network；Need to select server in VoLTE network designs domain,
The called route that VoLTE terminals are realized when carrying out international roaming by GSM, operation flow is multiple
It is miscellaneous, waste investment.
Therefore, it is necessary to propose a kind of access VoLTE IMS (IP Multimedia
Subsystem, IP multimedia subsystem) network method solving on present in prior art
State technical problem.
The content of the invention
The disclosure technical problem to be solved is how to provide a kind of simple and easy to apply, and difficulty is small,
The method of the small access VoLTE IMS networks of transformation cost, realizes cdma network operator
Can just realize that VOLTE terminals are carried out by GSM network without cdma network international unrestrained
Trip.
The disclosure provides a kind of method of access VoLTE IMS networks, including：The whole world is mobile logical
Letter system receives mobile from the whole world to the speech business GtoVoLTE gateways based on Long Term Evolution
The authentication request of communication system GSM network, completes to passing through session after the authentication of GSM network
Enquiry call session control from initiation protocol sip agent module to IP multimedia subsystem IMS network
Function I-CSCF network elements processed send registration information；GtoVoLTE gateways receive I-CSCF
The requirement of return carries the response of authentication information；GtoVoLTE gateways are initiated carrying user and are existed again
The registration information of the authentication information of IMS network, so that I-CSCF forwards information to service
CSCF S-CSCF, if S-CSCF completes subscription authentication and registration,
Successful registration register response is sent to GtoVoLTE gateways by I-CSCF；GtoVoLTE nets
The successful registration register response for receiving IMS network is closed, authentication request success is returned to GSM network
Response.
Further, GtoVoLTE gateways initiate to carry authentication of the user in IMS network again
Also include after the registration information of information：If GtoVoLTE gateways receive IMS nets
Network registers failure response or any response is not received in setting time, to GSM network
Return to authentication request failure response.
Further, also include：GtoVoLTE gateways set sip agent module and in SIP generations
Be pre-configured with reason module the mapping of GSM and IMS authentication parameters, user IMS network mirror
The I-CSCF network elements that power information, IMS network registration are sent to, wherein, GSM and IMS
Authentication parameter mapping includes GSM IMSI and Mobile Directory Number MDN corresponding relations；
User includes authentication mode, user name, encrypted message in the authentication information of IMS network.
Further, GtoVoLTE gateways receive IMS network successful registration register response, to
GSM network includes after returning to authentication request success response：GtoVoLTE gateways receive GSM
The more new position request that network sends；GtoVoLTE gateways send insertion user to GSM network
Request of data, GSM network returns to insertion user data requests response；GtoVoLTE gateways to
GSM network is returned and updates position request response；GtoVoLTE gateways generate user in GSM nets
The mapping table of network and IMS network associated dynamic information, associated dynamic information include user IMSI,
MDN, GSM positional information, user service S-CSCF IP address.
Further, also include：GtoVoLTE gateways receive the called of S-CSCF transmissions please
INVITE information is sought, user is inquired about in the mapping table according to MDN in the position of GSM network
Put, the GSM network registered to user's registration sends and obtains roaming number request；GtoVoLTE
Gateway receives the sound of the roaming number request containing netsurfing number MSRN that GSM network is returned
Should；After GtoVoLTE gateways obtain the GSM network roaming number MSRN of user, SIP generations
Reason module routes the call to MGCF MGCF nets according to roaming number MSRN
Unit, called request INVITE information is sent to MGCF, and MGCF will according to roaming number
Call routing is called so that GSM network routes to call request INVITE to GSM network
User；GtoVoLTE gateways receive the response of called successful connection or failure, are forwarded directly to
S-CSCF。
Further, also include：GtoVoLTE gateways receive GSM network short message sending please
Ask；GtoVoLTE gateways inquire about user service S-CSCF in the mapping table according to user MDN
IP address, S-CSCF from sip agent module to IP address send short message ask, its
In, information type RP-DATA, the Route header field of short message request carry orig marks；
GtoVoLTE gateways receive the short message request response of S-CSCF forwardings, are returned to GSM network
Return short message sending success response.
Further, GtoVoLTE gateways receive syncretizing note center eSMSC by S-
The short message request of CSCF forwardings；User is inquired about in the mapping table according to user MDN to exist
The positional information of GSM network, sends short message sending and asks, so as to GSM nets to GSM network
Network carries out short message and issues and complete to return to short message sending sound to GtoVoLTE gateways after short message is issued
Should；If GtoVoLTE gateways receive GSM network short message sending success response, to S-
CSCF returns to short message request success response.
Further, if GtoVoLTE gateways receive the de-registration request that GSM network sends,
De-registration request information is sent to IMS network I-CSCF by sip agent module；If
GtoVoLTE gateways receive the response of the requirement carrying authentication information that S-CSCF is returned, and send out again
Rise and carry user authentication information de-registration request information；GtoVoLTE gateways receive IMS network
After register response is nullified in success, the related tables generated during user's registration are deleted.
Further, if VoLTE IMS networks log off procedure fails, GtoVoLTE gateways
Reattempt to and initiate de-registration request information to VoLTE IMS networks, wherein, reattempt to number of times
It is configurable, if reattempt to reach set point number after still fail, reported to gateway management equipment
Failure is alerted or pointed out.
The present invention also provides a kind of device of access VoLTE IMS networks, including：Receive mould
Block, for receiving the authentication request from global system for mobile communications GSM network；Sip agent
Module, for completing after the authentication to GSM network by session initiation protocol sip agent module
Sent out to the enquiry call conversation control function I-CSCF network elements of IP multimedia subsystem IMS network
Send registration information；If the requirement that sip agent module receives I-CSCF returns carries mirror
The response of power information, sip agent module is used to initiate to carry authentication of the user in IMS network again
The registration information of information, so that I-CSCF forwards information to service call session control work(
Energy S-CSCF, if S-CSCF completes subscription authentication and registration, is sent out by I-CSCF
Send successful registration register response；Sending module, rings for receiving the registration of IMS network successful registration
Backward GSM network is answered to return to authentication request success response.
Further, if sending module receives IMS network registration for receiver module
Failure response does not receive any response in setting time, and returning to authentication to GSM network please
Seek failure response.
Further, including：Sip agent module is used to be pre-configured with GSM and IMS and authenticate to join
Number mapping, user register the I- being sent in the authentication information of IMS network, IMS network
CSCF network elements.
Wherein, GSM includes GSM IMSI and mobile subscriber number with the mapping of IMS authentication parameters
Book number MDN corresponding relations；User IMS network authentication information include authentication mode,
User name, encrypted message.
Further, also including attaching position register module, mapping table generation module, wherein,
Receiver module is additionally operable to receive the more new position request that GSM network sends；Attaching position register
Module is used to send insertion user data requests to GSM network, and GSM network returns to insertion and uses
User data request response；Sending module is used to return to renewal position request response to GSM network；
Mapping table generation module, for generating user in GSM network and IMS network associated dynamic information
Mapping table, associated dynamic information include user IMSI, MDN, GSM positional information, use
Family services S-CSCF IP address.
Further, also include：Sip agent module please for receiving the called of S-CSCF transmissions
INVITE information, sip agent module is asked to exist for inquiring about user in the mapping table according to MDN
The position of GSM network, the GSM network registered to user's registration sends acquisition roaming number please
Ask；Receiver module is used to receive the unrestrained containing netsurfing number MSRN of GSM network return
Trip number request response；Sip agent module is used to obtain the GSM network roaming number of user
After MSRN, MGCF is routed the call to according to roaming number MSRN
MGCF network elements, called request INVITE information is sent to MGCF, and MGCF is according to unrestrained
Trip number routes the call to GSM network so that GSM network is by call request INVITE roads
By to called subscriber；If sip agent module is used for the sound for receiving called successful connection or failure
Should, it is forwarded directly to S-CSCF.
Further, also include：Receiver module please for receiving GSM network short message sending
Ask；Sip agent module is used to inquire about user service S- in the mapping table according to user MDN
The IP address of CSCF, sip agent module sends short message to the S-CSCF of IP address please
Ask, wherein, information type RP-DATA, the Route header field of short message request carry orig marks
Know；If sending module is used to receive the short message request response of S-CSCF forwardings, to GSM
Network returns to short message sending success response.
Further, sip agent module is used to receive syncretizing note center eSMSC by S-
The short message request of CSCF forwardings；Sip agent module is used for according to user MDN in mapping table
, in the positional information of GSM network, sending short message sending to GSM network please for middle inquiry user
Ask, issue and complete to return to short message sending sound after short message is issued so that GSM network carries out short message
Should；If sip agent module receives GSM network short message sending for receiver module successfully rung
Should, return to short message request success response to S-CSCF.
Further, also include：Receiver module is used to receive the VoLTE of GSM network transmission
IMS network de-registration request information；Sip agent module is used to be sent to IMS network I-CSCF to be noted
Pin solicited message；If receiving the response of the requirement carrying authentication information that S-CSCF is returned, again
Initiate to carry user authentication information de-registration request information；If removing module is used to receive IMS
Network successfully nullifies register response, deletes the related tables generated during user's registration.
Further, also include：If VoLTE IMS networks log off procedure fails, SIP generations
Reason module is used to reattempt to initiates de-registration request information to VoLTE IMS networks, wherein, weight
New try number of times can configure, if reattempt to reach set point number after still fail, to gateway pipe
Reason equipment reports and unsuccessfully alert or point out.
The method and device of the access VoLTE IMS networks that the disclosure is provided, for China Telecom
VoLTE terminals are carrying out voice, short message without VoLTE network areas by GSM network access
The international roaming demand of business, solving current roaming technology needs to rely on cdma network and need to match somebody with somebody
The problem that domain selects server is put, simple and easy to apply, difficulty is small, transformation cost is small, realized
VoLTE terminals are directly accessed IMS network by GSM network, are VoLTE by IMS network
Terminal provides voice, the short message service for carrying out international roaming by GSM without VoLTE areas.
Brief description of the drawings
Fig. 1 shows the flow of the method for the access VoLTE IMS networks of one embodiment of the invention
Figure.
Fig. 2 shows that the VoLTE terminal GSM international roamings registration of one embodiment of the invention is stepped on
Remember successful schematic diagram.
Fig. 3 shows that the VoLTE terminal GSM international roamings registration of one embodiment of the invention is stepped on
Remember the schematic diagram of failure.
Fig. 4 shows the called road of the VoLTE terminal GSM international roamings of one embodiment of the invention
By schematic diagram.
Fig. 5 shows the VoLTE terminal GSM international roamings short message hair of one embodiment of the invention
Send successful schematic diagram.
Fig. 6 shows the VoLTE terminal GSM international roamings short message hair of one embodiment of the invention
Send the schematic diagram of failure.
Fig. 7 shows that the VoLTE terminal GSM international roaming short messages of one embodiment of the invention connect
Receive successful schematic diagram.
Fig. 8 shows that the VoLTE terminal GSM international roaming short messages of one embodiment of the invention connect
Receive the schematic diagram of failure.
Fig. 9 shows that the VoLTE terminal GSM international roamings of one embodiment of the invention are nullified and steps on
The schematic diagram of note.
Figure 10 shows the structure of the device of the access VoLTE IMS networks of one embodiment of the invention
Block diagram.
Figure 11 shows a kind of access VoLTE IMS networks of an alternative embodiment of the invention
The structured flowchart of device.
Specific embodiment
The present invention is described more fully with reference to the accompanying drawings, wherein illustrating example of the invention
Property embodiment.
Fig. 1 shows the flow of the method for the access VoLTE IMS networks of one embodiment of the invention
Figure.As shown in figure 1, the method mainly includes：
Step 100, (GSM to VoLTE, global system for mobile communications is to being based on for GtoVoLTE
The speech business of Long Term Evolution) gateway authentication request of the reception from GSM network, it is right to complete
By SIP (Session Initiation Protocol, conversation initial association after the authentication of GSM network
View) enquiry call conversation control function I- from proxy module to IP multimedia subsystem IMS network
CSCF network elements send registration information.
Specifically, in one embodiment, GtoVoLTE gateways set sip agent module and
GSM is pre-configured with sip agent module with the mapping of IMS authentication parameters, user in IMS nets
I-CSCF (the Interrogating Call that the authentication information of network, IMS network registration are sent to
Session Control Function, enquiry call conversation control function) network element, wherein, GSM
Include GSM IMSI and MDN (Mobile Directory with the mapping of IMS authentication parameters
Number, Mobile Directory Number) corresponding relation；User believes in the authentication of IMS network
Breath includes authentication mode, user name, encrypted message.
Step 102, GtoVoLTE gateways receive the requirement carrying authentication information that I-CSCF is returned
Response.
Step 104, GtoVoLTE gateways initiate to carry authentication letter of the user in IMS network again
The registration information of breath, so that the registration information is forwarded to S-CSCF by I-CSCF
(Serving Call Session Control Function, service call conversation control function), such as
Fruit S-CSCF completes subscription authentication and registration, by I-CSCF to GtoVoLTE gateways
Send successful registration register response.
Step 106, GtoVoLTE gateways receive the successful registration register response of IMS network, to
GSM network returns to authentication request success response.
In one embodiment, if GtoVoLTE gateways receive IMS network registration
Failure response does not receive any response in setting time, and returning to authentication to GSM network please
Seek failure response.
Need to rely on cdma network for current roaming technology and domain selection server need to be configured
Problem, by using newly-increased GtoVoLTE gateways and sip agent module, it is possible to achieve
VoLTE terminals are directly accessed IP multimedia subsystem IMS network by GSM network, by
IMS network carries out international roaming without VoLTE areas for VoLTE terminals are provided by GSM
Voice, short message service；This programme is simple and easy to apply, and transformation cost is small, realizes that cdma network is transported
Battalion business can just realize that VOLTE terminals carry out state by GSM network without cdma network
Internet roaming.
In one embodiment, GtoVoLTE gateways receive the registration of IMS network successful registration and ring
Should, include after returning to authentication request success response to GSM network：(1) GtoVoLTE nets
Close and receive the more new position request that GSM network sends；(2) GtoVoLTE gateways are to GSM
Network sends insertion user data requests, and GSM network returns to insertion user data requests response；
(3) GtoVoLTE gateways are returned to GSM network and update position request response；(4)
GtoVoLTE gateways generate mapping of the user in GSM network and IMS network associated dynamic information
Table, associated dynamic information includes user IMSI, MDN, GSM positional information, user service
S-CSCF IP address.
In one embodiment, GtoVoLTE gateways receive the called request of S-CSCF transmissions
INVITE information, user is inquired about according to MDN in the position of GSM network in the mapping table,
The GSM network registered to user's registration sends and obtains roaming number request；GtoVoLTE gateways
Receive the response of the roaming number request containing netsurfing number MSRN that GSM network is returned；
GtoVoLTE gateways obtain GSM network MSRN (the Mobile Station Roaming of user
Number, mobile station roaming number) after, sip agent module will according to roaming number MSRN
Call routing is to MGCF MGCF (Media Gateway Control
Function, MGCF) network element, by called request INVITE information send to
MGCF, MGCF route the call to GSM network so as to GSM network according to roaming number
Call request INVITE is routed into called subscriber；GtoVoLTE gateways are received to be called and successfully connect
Continuous or failure response, is forwarded directly to S-CSCF.
In one embodiment, GtoVoLTE gateways receive GSM network short message sending and ask
Ask；GtoVoLTE gateways inquire about user service S-CSCF in the mapping table according to user MDN
IP address, S-CSCF from sip agent module to IP address send short message ask, its
In, information type RP-DATA, the Route header field of short message request carry orig marks；
GtoVoLTE gateways receive the short message request response of S-CSCF forwardings, are returned to GSM network
Return short message sending success response.
In one embodiment, GtoVoLTE gateways receive syncretizing note center eSMSC and pass through
The short message request of S-CSCF forwardings；User is inquired about in the mapping table according to user MDN to exist
The positional information of GSM network, sends short message sending and asks, so as to GSM nets to GSM network
Network carries out short message and issues and complete to return to short message sending sound to GtoVoLTE gateways after short message is issued
Should；If GtoVoLTE gateways receive GSM network short message sending success response, to S-
CSCF returns to short message request success response.
In one embodiment, if GtoVoLTE gateways receive the cancellation that GSM network sends
Request, de-registration request information is sent by sip agent module to IMS network I-CSCF；Such as
Fruit GtoVoLTE gateways receive the response of the requirement carrying authentication information that S-CSCF is returned, again
Initiate to carry user authentication information de-registration request information；GtoVoLTE gateways receive IMS nets
After network successfully nullifies register response, the related tables generated during user's registration are deleted.If
VoLTE IMS networks log off procedure fails, and GtoVoLTE gateways are reattempted to VoLTE
IMS network initiates de-registration request information, wherein, reattempt to number of times and can configure, if tasted again
Examination still fails after reaching set point number, is reported to gateway management equipment and unsuccessfully alert or point out.
VoLTE terminals international roaming method provided in an embodiment of the present invention, for China Telecom
VoLTE terminals are carrying out voice, short message without VoLTE network areas by GSM network access
The international roaming demand of business, solving current roaming technology needs to rely on cdma network and need to match somebody with somebody
The problem that domain selects server is put, proposes that one kind is directly accessed by GtoVoLTE gateways
The method and system of VoLTE IMS networks, realizes that VoLTE terminals are direct by GSM network
IMS network is accessed, is passed through without VoLTE areas for VoLTE terminals are provided by IMS network
GSM carries out the voice of international roaming, short message service.
Fig. 2 shows that the VoLTE terminal GSM international roamings registration of one embodiment of the invention is stepped on
Successful schematic diagram is remembered, as shown in Fig. 2 increasing GtoVoLTE gateways 22 newly and configuring
The sip agent module 24 of GtoVoLTE gateways, the sip agent module of GtoVoLTE gateways is pre-
Network element I-CSCF and user's associated authentication information that first the registration of configuration IMS network is sent to,
Authentication information includes authentication mode, user name, encrypted message, after completing GSM network authentication,
Directly initiate IMS network registration flow, concrete methods of realizing as illustrated, including with
Lower step：
Step 201, GtoVoLTE gateways receive the authentication request of GSM network transmission
SEND_AUTHENTICAITION_INFO, completes GSM network authentication request.
Step 202, sends registration request and disappears by sip agent module to IMS network I-CSCF
Breath Register.
Step 203, I-CSCF obtains user service S-CSCF according to current mechanism, and will registration
Situation is sent to the S-CSCF.
Step 204, S-CSCF sends 401 and responds by current mechanism to I-CSCF, it is desirable to take
Band authentication information.
The response is forwarded to GtoVoLTE gateways by step 205, I-CSCF.
Step 206, GtoVoLTE gateways initiate Register again, carry subscription authentication and disappear
Breath.
The Register message is forwarded to S-CSCF by step 207, I-CSCF.
Step 208, S-CSCF completes subscription authentication and registration, and 200 are sent to I-CSCF
OK is responded.
The response is forwarded to GtoVoLTE gateways by step 209, I-CSCF.
Step 210, after GtoVoLTE gateways receive IMS network successful registration register response,
Authentication request success response is returned to the MSC/VLR 21 of GSM network
SEND_AUTHENTICAITION_INFO_Ack。
Step 211, GtoVoLTE gateways receive the more new position request of GSM network transmission
UPDATE_LOCATION。
Step 212, GtoVoLTE gateways send insertion user data requests to GSM network
INSERT_SUB_DATA。
Step 213, GSM network returns to response INSERT_SUB_DATA_Ack.
Step 214, GtoVoLTE gateways are returned to GSM network and update position request response
UPDATE_LOCATION_Ack, GtoVoLTE gateway generate user GSM network with
The mapping table of IMS network associated dynamic information, comprising user IMSI, MDN, GSM positions
Information, user service S-CSCF IP address.
Fig. 3 shows that the VoLTE terminal GSM international roamings registration of one embodiment of the invention is stepped on
Remember the schematic diagram of failure, newly-increased GtoVoLTE gateways simultaneously configure sip agent module, are pre-configured with
The network element I-CSCF and user's associated authentication information that IMS network registration is sent to (such as reflect
Power mode, user name, encrypted message).Sip agent module configures GSM and IMS and authenticates ginseng
Number mapping, after completing GSM network authentication, directly initiates the registration flow of IMS network.
Concrete methods of realizing comprises the following steps：
Step 301, GtoVoLTE gateways receive the authentication request of GSM network transmission
SEND_AUTHENTICAITION_INFO, completes GSM network authentication request.
Step 302, sends registration request and disappears by sip agent module to IMS network I-CSCF
Breath Register.
Step 303, I-CSCF obtains user service S-CSCF according to current mechanism, and will registration
Situation is sent to the S-CSCF.
Step 304, S-CSCF sends 401 and responds by current mechanism to I-CSCF, it is desirable to take
Band authentication information.
The response is forwarded to GtoVoLTE gateways by step 305, I-CSCF, it is desirable to carry mirror
Power information.
Step 306, GtoVoLTE gateways initiate Register again, carry subscription authentication and disappear
Breath.
The message is forwarded to S-CSCF by step 307, I-CSCF.
Step 308, S-CSCF is registered due to a variety of causes (such as authentication information is incorrect) and lost
Lose, return to the 4XX such as 403Forbidden request failure responses.
The response is forwarded to GtoVoLTE gateways by step 309, I-CSCF.
Step 310, GtoVoLTE gateways receive IMS network registration failure response
(4XX such as 403Forbidden ask failure response) or timer do not receive response before terminating
Deng registration failure scene, authentication request failure response is returned to GSM network
SEND_AUTHENTICAITION_INFO_Ack, and to being reported lost property to the authorities in gateway management equipment
Lose alarm or point out.
Fig. 4 shows the called road of the VoLTE terminal GSM international roamings of one embodiment of the invention
By schematic diagram, VoLTE terminals are diffused out by the GSM worlds, and VoLTE terminals are used as quilt
Cry, call request INVITE will route to called service S-CSCF, S- by current mechanism
Call request INVITE is directly delivered to GtoVOLTE gateways by CSCF.As shown in figure 4,
Concrete methods of realizing may comprise steps of：
Step 401, GtoVOLTE gateways receive the called request of S-CSCF transmissions
INVITE, user is inquired about according to MDN in the position of GSM network in the mapping table.
Step 402, the GSM registered to user's registration sends and obtains roaming number request
PROVIDE_ROAMING_NO。
Step 403, GSM network returns to response PROVIDE_ROAMING_NO_Ack,
Carry GSM network roaming number (MSRN, Mobile Station Roaming
Number)。
Step 404, after GtoVoLTE gateways get GSM roaming numbers (MSRN),
Sip agent module routes the call to MGCF according to roaming number, by INVITE send to
MGCF。
Step 405, MGCF routes the call to GSM network, GSM according to roaming number
Network routes the call to called subscriber by current mechanism.GtoVoLTE gateways are received and are called successfully
The response for continuing or failing, is forwarded directly to S-CSCF.
Fig. 5 shows the VoLTE terminal GSM international roamings short message hair of one embodiment of the invention
Successful schematic diagram is sent, as shown in figure 5, comprising the following steps that：
Step 501, VoLTE terminals are diffused out by the GSM worlds, and VoLTE terminals send short
Letter, GSM network sends short message sending and asks to GtoVoLTE gateways
ForwardShortMessageReq。
Step 502, GtoVoLTE gateways receive the request of GSM network short message sending
ForwardShortMessageReq, user service is inquired about according to user MDN in the mapping table
S-CSCF IP address, sip agent module sends short message request MESSAGE to S-CSCF
(RP-DATA), Message Type are RP-DATA (MS to Network), Route
Header field carries orig marks.
Step 503, S-CSCF is identified MESSAGE (RP-DATA) message according to orig
Send to syncretizing note center eSMSC.
Step 504, eSMSC returns to 202Accepted responses.
202Accepted responses are forwarded to GtoVoLTE gateways by step 505, S-CSCF.
Step 506, eSMSC sends confirmation message MESSAGE (RP- to S-CSCF
ACK) Message Type are RP-DATA (Network to MS).
MESSAGE (RP-ACK) is forwarded to GtoVoLTE by step 507, S-CSCF
Gateway.
Step 508, GtoVoLTE gateways return to 200OK responses.
Step 509, GtoVoLTE gateways return to short message sending success response to GSM network
ForwardShortMessageAck。
Fig. 6 shows the VoLTE terminal GSM international roamings short message hair of one embodiment of the invention
The schematic diagram of failure is sent, as shown in fig. 6, the method comprises the following steps：
Step 601, VoLTE terminals are diffused out by the GSM worlds, and VoLTE terminals send short
Letter, GSM network sends short message sending and asks to GtoVoLTE gateways
ForwardShortMessageReq。
Step 602, GtoVoLTE gateways receive the request of GSM network short message sending
ForwardShortMessageReq, user service is inquired about according to user MDN in the mapping table
S-CSCF IP address, sip agent module sends short message request MESSAGE to S-CSCF
(RP-DATA), Message Type are RP-DATA (MS to Network), Route
Header field carries orig marks.
Step 603, S-CSCF is identified MESSAGE (RP-DATA) message according to orig
Send to syncretizing note center eSMSC.
Step 604, eSMSC returns to the request failure response such as 4XX.
4XX is forwarded to GtoVoLTE gateways by step 605, S-CSCF.
Step 606, GtoVoLTE gateways receive 4XX request failure response or timer
Response is inside not received by, short message sending failure response is returned to GSM network
ForwardShortMessageAck。
Fig. 7 shows that the VoLTE terminal GSM international roaming short messages of one embodiment of the invention connect
Successful schematic diagram is received, as shown in fig. 7, comprises following specific steps：
Step 701, VoLTE terminals are diffused out by the GSM worlds, syncretizing note center
ESMSC needs to send short message to VoLTE terminals, and syncretizing note center eSMSC is to S-
It is RP- that CSCF sends short message and asks MESSAGE (RP-DATA), Message Type
DATA(Network to MS)。
Short message is asked MESSAGE (RP-DATA) to be forwarded to by step 702, S-CSCF
GtoVoLTE gateways.
Step 703, GtoVoLTE gateways receive MESSAGE (RP-DATA), according to
User MDN inquires about positional information of the user in GSM network in the mapping table, to GSM nets
Network sends short message sending request ForwardShortMessageReq.
Step 704, GSM network carries out short message and issues by current mechanism, completes backward
GtoVoLTE gateways return to short message sending success response ForwardShortMessageAck.
Step 704, GtoVoLTE gateways receive GSM network short message and are successfully transmitted response
ForwardShortMessageAck。
GtoVoLTE gateways return to 200OK to S-CSCF.
Step 706, S-CSCF returns to 200OK to syncretizing note center eSMSC.
Step 707, GtoVoLTE gateways send MESSAGE (RP- to S-CSCF
ACK)。
MESSAGE (RP-ACK) is forwarded to eSMSC by step 708, S-CSCF.
Step 709, eSMSC receives MESSAGE (RP-ACK) and returns to 202
Accepted。
202Accepted is forwarded to GtoVoLTE gateways by step 710, S-CSCF.
The schematic diagram of VoLTE terminal GSM international roaming short message reception failures, as shown in figure 8,
Including specifically step as follows：
Step 801, VoLTE terminals are diffused out by the GSM worlds, syncretizing note center
ESMSC needs to send short message to VoLTE terminals, and syncretizing note center eSMSC is to S-
It is RP- that CSCF sends short message and asks MESSAGE (RP-DATA), Message Type
DATA(Network to MS)。
Short message is asked MESSAGE (RP-DATA) to be forwarded to by step 802, S-CSCF
GtoVoLTE gateways.
Step 803, GtoVoLTE gateways receive MESSAGE (RP-DATA), according to
User MDN inquires about positional information of the user in GSM network in the mapping table, to GSM nets
Network sends short message sending request ForwardShortMessageReq.
Step 804, GSM network carries out short message and issues by current mechanism, short message issue unsuccessfully to
GtoVoLTE gateways return to short message sending failure response ForwardShortMessageAck.
Step 805, GtoVoLTE gateways receive the failure response of GSM network short message sending
After ForwardShortMessageAck, returned to S-CSCF by RFC3261 according to failure cause
Return 4XX request failure responses.
4XX is forwarded to eSMSC by step 806, S-CSCF.
Fig. 9 shows that the VoLTE terminal GSM international roamings of one embodiment of the invention are nullified and steps on
The schematic diagram of note, as shown in figure 9, comprising the following steps that：
Step 901, GtoVoLTE gateways receive the de-registration request that GSM network sends
MAP_PURGE_MS。
Step 902, performs GSM network de-registration request and responds de-registration request
MAP_PURGE_MS_Ack, deletes GSM network relevant user data.
Step 903, GtoVoLTE gateways are pre-configured with IMS network and nullify the network element that registration is sent to
I-CSCF and user's associated authentication information (such as authentication mode, user name, encrypted message),
De-registration request message Register is sent to IMS network I-CSCF by sip agent module.
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 and responds by current mechanism to I-CSCF, it is desirable to take
Band authentication information.
The response is forwarded to GtoVoLTE gateways by step 906, I-CSCF.
Step 907, GtoVoLTE gateways initiate Register again, carry subscription authentication and disappear
Breath.
The Register message is forwarded to S-CSCF by step 908, I-CSCF, and S-CSCF is complete
Registered with cancellation into subscription authentication.
Step 909, S-CSCF sends 200OK and responds to I-CSCF.
200OK responses are forwarded to GtoVoLTE gateways by step 910, I-CSCF.
GtoVoLTE gateways are received after IMS network successfully nullifies register response, delete user
The related tables generated during registration.If VoLTE IMS networks log off procedure fails, weigh
New try initiates de-registration request to VoLTE IMS networks, reattempts to number of times and can configure.Again
If still failed after the number of times of trial setting, reported to gateway management equipment and unsuccessfully alert or carry
Show.
The application compared with the prior art for, can just realize VOLTE without cdma network
Terminal carries out international roaming by GSM network, meet following CDMA logouts main trend and
Strategic objective, directly increases sip agent module on existing GC roaming gateways and is transformed into
GtoVoLTE gateways or newly-built GtoVoLTE gateways realize that simple and easy to apply, difficulty is small, transformation
Cost is small.
Figure 10 shows the structure of the device of the access VoLTE IMS networks of one embodiment of the invention
Block diagram, as shown in Figure 10, the device 1000 includes：Receiver module 1001, comes from for receiving
The authentication request of global system for mobile communications GSM network；Sip agent module 1002, for complete
By session initiation protocol sip agent module to IP multimedias after the authentication of paired GSM network
The enquiry call conversation control function I-CSCF network elements of subsystem, IMS network send registration request letter
Breath；If the requirement that sip agent module 1002 receives I-CSCF returns carries authentication information
Response, sip agent module 1002 be used for again initiate carry user IMS network authentication
The registration information of information, so that I-CSCF forwards information to service call session control work(
Energy S-CSCF, if S-CSCF completes subscription authentication and registration, is sent out by I-CSCF
Send successful registration register response；Sending module 1003, steps on for receiving IMS network successful registration
The backward GSM network of note response returns to authentication request success response.
In one embodiment, if sending module 1003 receives IMS nets for receiver module
Network registers failure response or any response is not received in setting time, to GSM network
Return to authentication request failure response.
In one embodiment, sip agent module 1002 is used to be pre-configured with GSM and IMS
Authentication parameter mapping, user register and are sent in the authentication information of IMS network, IMS network
I-CSCF network elements, wherein, the mapping of GSM and IMS authentication parameters include GSM IMSI and
Mobile Directory Number MDN corresponding relations；Authentication information bag of the user in IMS network
Include authentication mode, user name, encrypted message.
In one embodiment, the device also includes attaching position register module 1005, mapping table
Generation module 1006, wherein, receiver module 1001 is additionally operable to receive GSM network transmission more
New position request；Attaching position register module 1005 is used to send insertion use to GSM network
User data is asked, and GSM network returns to insertion user data requests response；Sending module 1003 is used
Position request response is updated in being returned to GSM network；Mapping table generation module 1006 is used to give birth to
Into user in GSM network and the mapping table of IMS network associated dynamic information, associated dynamic information
Including user IMSI, MDN, GSM positional information, user service S-CSCF IP address.
In one embodiment, also include：Sip agent module 1002 is used to receive S-CSCF
The called request INVITE information for sending, sip agent module 1002 is used to reflected according to MDN
User is inquired about in firing table in the position of GSM network, the GSM network registered to user's registration is sent out
Send acquisition roaming number request；Receiver module 1001 is used to receive containing for GSM network return
The roaming number request response of netsurfing number MSRN；Sip agent module 1002 is used to obtain
After taking the GSM network roaming number MSRN at family, will be called according to roaming number MSRN
MGCF MGCF network elements are routed to, called request INVITE information is sent
To MGCF, MGCF routes the call to GSM network so as to GSM nets according to roaming number
Call request INVITE is routed to called subscriber by network；If sip agent module 1002 is used to connect
The response of called successful connection or failure is received, S-CSCF is forwarded directly to.
In one embodiment, also include：Receiver module 1001 is used to receive GSM network
Short message sending is asked；Sip agent module 1002 is used to be inquired about in the mapping table according to user MDN
The IP address of user service S-CSCF, sip agent module sends to the S-CSCF of IP address
Short message is asked, wherein, information type RP-DATA, the Route header field of short message request is taken
Band orig marks；If sending module 1003 is used to receive the short message request of S-CSCF forwardings
Response, short message sending success response is returned to GSM network.
In one embodiment, sip agent module 1002 is used to receive syncretizing note center
ESMSC is asked by the short message that S-CSCF is forwarded；Sip agent module 1002 is used for basis
User MDN inquires about positional information of the user in GSM network in the mapping table, to GSM nets
Network sends short message sending request, issues and is issued short message is completed so that GSM network carries out short message
Short message sending response is returned afterwards；If sip agent module 1002 is received for receiver module 1001
To GSM network short message sending success response, return to short message to S-CSCF and ask successfully to ring
Should.
In one embodiment, receiver module 1001 is used to receive GSM network transmission
VoLTE IMS network de-registration request information；Sip agent module 1002 is used for IMS network I-
CSCF sends de-registration request information；If receiving the requirement carrying authentication information that S-CSCF is returned
Response, again initiate carry user authentication information de-registration request information；Removing module 1007 is used
If successfully nullifying register response in IMS network is received, the phase generated during user's registration is deleted
Close mapping table.
In one embodiment, if VoLTE IMS networks log off procedure fails, sip agent
Module 1002 is used to reattempt to initiates de-registration request information to VoLTE IMS networks, wherein,
Reattempt to number of times can configure, if reattempt to reach set point number after still fail, to gateway
Management equipment reports and unsuccessfully alert or point out.
Figure 11 shows a kind of access VoLTE IMS networks of an alternative embodiment of the invention
The structured flowchart of device.The device 1100 for accessing VoLTE IMS networks can possess calculating energy
The host server of power, personal computer PC or portable portable computer, movement
Terminal or other-end etc..The specific embodiment of the invention is not limited implementing for calculate node
It is fixed.
Access VoLTE IMS networks device 1100 include processor (processor) 1101,
Communication interface (Communications Interface) 1102, memory (memory) 1103
With bus 1104.Wherein, processor 1101, communication interface 1102 and memory 1103 lead to
Cross bus 1104 and complete mutual communication.
Communication interface 1102 is used for and network device communications, and wherein the network equipment includes for example virtual
Machine administrative center, shared storage etc..
Processor 1101 is used for configuration processor.Processor 1101 can be a central processing unit
CPU, or can be application-specific integrated circuit ASIC (Application Specific Integrated
Circuit), or be arranged to implement the embodiment of the present invention one or more integrated circuits.
Memory 1103 is used to deposit file.Memory 1103 can be stored comprising high-speed RAM
Device, also can also include nonvolatile memory (non-volatile memory), for example, at least one
Individual magnetic disk storage.Memory 1103 can also be memory array.Memory 1103 is also possible to
By piecemeal, and block can be combined into virtual volume by certain rule.
In one embodiment, said procedure can be to include the program generation of computer-managed instruction
Code.The program is particularly used in：Global system for mobile communications to based on Long Term Evolution speech business
GtoVoLTE gateways receive the authentication request from global system for mobile communications GSM network, complete
By session initiation protocol sip agent module to IP multimedias after the authentication of paired GSM network
The enquiry call conversation control function I-CSCF network elements of subsystem, IMS network send registration request letter
Breath；If GtoVoLTE gateways receive the sound of the requirement carrying authentication information that I-CSCF is returned
Should, GtoVoLTE gateways initiate to carry registration of the user in the authentication information of IMS network again
Solicited message, so that I-CSCF forwards information to service call conversation control function S-
CSCF, if S-CSCF complete subscription authentication with registration, by I-CSCF to
GtoVoLTE gateways send successful registration register response；GtoVoLTE gateways receive IMS network
Successful registration register response, to GSM network return authentication request success response.
In one embodiment, GtoVoLTE gateways initiate to carry user in IMS nets again
Also include after the registration information of the authentication information of network：If GtoVoLTE gateways are received
IMS network registers failure response or any response is not received in setting time, to
GSM network returns to authentication request failure response.
In one embodiment, GtoVoLTE gateways set sip agent module and in SIP generations
Be pre-configured with reason module the mapping of GSM and IMS authentication parameters, user IMS network mirror
The I-CSCF network elements that power information, IMS network registration are sent to, wherein, GSM and IMS
Authentication parameter mapping includes GSM IMSI and Mobile Directory Number MDN corresponding relations；
User includes authentication mode, user name, encrypted message in the authentication information of IMS network.
In one embodiment, GtoVoLTE gateways receive the registration of IMS network successful registration
Response, includes after returning to authentication request success response to GSM network：GtoVoLTE gateways
Receive the more new position request that GSM network sends；GtoVoLTE gateways are sent out to GSM network
Insertion user data requests, GSM network are sent to return to insertion user data requests response；
GtoVoLTE gateways are returned to GSM network and update position request response；GtoVoLTE gateways
Generation user is in GSM network and the mapping table of IMS network associated dynamic information, associated dynamic letter
Breath includes user IMSI, MDN, GSM positional information, user service S-CSCF IP ground
Location.
In one embodiment, GtoVoLTE gateways receive the called of S-CSCF transmissions and ask
INVITE information is sought, user is inquired about in the mapping table according to MDN in the position of GSM network
Put, the GSM network registered to user's registration sends and obtains roaming number request；GtoVoLTE
Gateway receives the sound of the roaming number request containing netsurfing number MSRN that GSM network is returned
Should；After GtoVoLTE gateways obtain the GSM network roaming number MSRN of user, SIP generations
Reason module routes the call to MGCF MGCF nets according to roaming number MSRN
Unit, called request INVITE information is sent to MGCF, and MGCF will according to roaming number
Call routing is called so that GSM network routes to call request INVITE to GSM network
User；GtoVoLTE gateways receive the response of called successful connection or failure, are forwarded directly to
S-CSCF。
In one embodiment, also include：It is short that GtoVoLTE gateways receive GSM network
Letter sends request；GtoVoLTE gateways inquire about user service in the mapping table according to user MDN
The IP address of S-CSCF, sip agent module sends short message to the S-CSCF of IP address please
Ask, wherein, information type RP-DATA, the Route header field of short message request carry orig marks
Know；GtoVoLTE gateways receive the short message request response of S-CSCF forwardings, to GSM nets
Network returns to short message sending success response.
In one embodiment, GtoVoLTE gateways receive syncretizing note center eSMSC and lead to
Cross the short message request of S-CSCF forwardings；User is inquired about in the mapping table according to user MDN to exist
The positional information of GSM network, sends short message sending and asks, so as to GSM nets to GSM network
Network carries out short message and issues and complete to return to short message sending sound to GtoVoLTE gateways after short message is issued
Should；If GtoVoLTE gateways receive GSM network short message sending success response, to S-
CSCF returns to short message request success response.
In one embodiment, if GtoVoLTE gateways receive the note that GSM network sends
Pin request, de-registration request information is sent by sip agent module to IMS network I-CSCF；
If GtoVoLTE gateways receive the response of the requirement carrying authentication information that S-CSCF is returned, weight
It is new to initiate to carry user authentication information de-registration request information；GtoVoLTE gateways receive IMS
After network successfully nullifies register response, the related tables generated during user's registration are deleted.
In one embodiment, if VoLTE IMS networks log off procedure fails,
GtoVoLTE gateways are reattempted to initiates de-registration request information to VoLTE IMS networks, its
In, reattempt to number of times can configure, if reattempt to reach set point number after still fail, to
Gateway management equipment reports and unsuccessfully alert or point out.
Those of ordinary skill in the art are it is to be appreciated that each example in embodiment described herein
Property unit and algorithm steps, can be with electronic hardware or the knot of computer software and electronic hardware
Close to realize.These functions are realized with hardware or software form actually, depending on technical scheme
Application-specific and design constraint.Professional and technical personnel can be for specific application selection not
With method realize described function, but this realize it is not considered that exceeding model of the invention
Enclose.
If realizing function in the form of using computer software and as independent production marketing or using
When, then to a certain extent it is believed that all or part of technical scheme is (such as to existing
Have the part that technology contributes) embody in form of a computer software product.The computer
Software product is generally stored inside in the non-volatile memory medium of embodied on computer readable, including some fingers
Order is used to so that computer equipment (can be personal computer, server or the network equipment
Deng) perform various embodiments of the present invention method all or part of step.And foregoing storage medium bag
Include USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), random
Access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various
Can be with the medium of store program codes.
Description of the invention is given for the sake of example and description, and is not exhaustively
Or limit the invention to disclosed form.Common skill of many modifications and variations for this area
It is obvious for art personnel.Selection and description embodiment are to more preferably illustrate principle of the invention
And practical application, and make one of ordinary skill in the art it will be appreciated that the present invention is suitable so as to design
In the various embodiments with various modifications of special-purpose.
Claims (18)
1. a kind of method of access VoLTE IMS networks, it is characterised in that including：
Global system for mobile communications is received to the speech business GtoVoLTE gateways based on Long Term Evolution
Authentication request from global system for mobile communications GSM network, completes the mirror to GSM network
Pass through inquiry of the session initiation protocol sip agent module to IP multimedia subsystem IMS network after power
Ask that CSCF I-CSCF network elements send registration information；
The GtoVoLTE gateways receive the requirement carrying authentication information that the I-CSCF is returned
Response；
The GtoVoLTE gateways initiate to carry authentication information of the user in IMS network again
Registration information, so that the authentication information is forwarded to service call session control by I-CSCF
Function S-CSCF, if the S-CSCF completes subscription authentication and registration, by I-
CSCF sends successful registration register response to GtoVoLTE gateways；
The GtoVoLTE gateways receive the successful registration register response of IMS network, to GSM
Network returns to authentication request success response.
2. method according to claim 1, it is characterised in that the GtoVoLTE nets
Initiation carrying user again is closed also to be wrapped after the registration information of the authentication information of IMS network
Include：
If the GtoVoLTE gateways receive IMS network registration failure response or
Any response is not received in setting time, authentication request failure response is returned to GSM network.
3. method according to claim 1, it is characterised in that also include：
The GtoVoLTE gateways setting sip agent module is simultaneously pre- in the sip agent module
First configuration GSM and IMS authentication parameters mapping, user IMS network authentication information,
The I-CSCF network elements that IMS network registration is sent to,
Wherein, GSM includes GSM IMSI and mobile subscriber number with the mapping of IMS authentication parameters
Book number MDN corresponding relations；
User includes authentication mode, user name, encrypted message in the authentication information of IMS network.
4. method according to claim 1, it is characterised in that the GtoVoLTE nets
Close and receive IMS network successful registration register response, returning to authentication request to GSM network successfully rings
Should include afterwards：
The GtoVoLTE gateways receive the more new position request that GSM network sends；
The GtoVoLTE gateways send insertion user data requests, institute to the GSM network
State GSM network and return to insertion user data requests response；
The GtoVoLTE gateways are returned to the GSM network and update position request response；
The GtoVoLTE gateways generation user is in GSM network and IMS network associated dynamic
The mapping table of information, the associated dynamic information includes user IMSI, MDN, GSM positions
Information, user service S-CSCF IP address.
5. according to any described method in claim 1-4, it is characterised in that also include：
The GtoVoLTE gateways receive the called request INVITE letters of S-CSCF transmissions
Breath, inquires about user in the position of GSM network, to user according to MDN in the mapping table
The GSM network of registration sends and obtains roaming number request；
What the GtoVoLTE gateways reception GSM network was returned contains netsurfing number
The roaming number request response of MSRN；
After the GtoVoLTE gateways obtain the GSM network roaming number MSRN of user,
Sip agent module routes the call to MGCF according to roaming number MSRN
MGCF network elements, the called request INVITE information is sent to MGCF, MGCF roots
GSM network is routed the call to so that GSM network is by call request according to roaming number
INVITE routes to called subscriber；
The GtoVoLTE gateways receive the response of called successful connection or failure, directly forward
To S-CSCF.
6. according to any described method in claim 1-4, it is characterised in that also include：
The GtoVoLTE gateways receive the GSM network short message sending request；
The GtoVoLTE gateways inquire about user service according to user MDN in the mapping table
The IP address of S-CSCF, sip agent module sends short disappearing to the S-CSCF of the IP address
Breath request, wherein, information type RP-DATA, the Route header field of the short message request is taken
Band orig marks；
The GtoVoLTE gateways receive the short message request response of S-CSCF forwardings, to
GSM network returns to short message sending success response.
7. according to any described method in claim 1-4, it is characterised in that
The GtoVoLTE gateways are received syncretizing note center eSMSC and are forwarded by S-CSCF
Short message request；
Positional information of the user in GSM network is inquired about according to user MDN in the mapping table, to
GSM network sends short message sending request, issues and completes so that GSM network carries out short message
Short message issues backward GtoVoLTE gateways and returns to short message sending response；
If GtoVoLTE gateways receive GSM network short message sending success response, to S-
CSCF returns to short message request success response.
8. the method according to claim 1-4, it is characterised in that also include：
If the GtoVoLTE gateways receive the de-registration request that GSM network sends, pass through
Sip agent module sends de-registration request information to IMS network I-CSCF；
If the GtoVoLTE gateways receive the requirement carrying authentication information that S-CSCF is returned
Response, initiates to carry user authentication information de-registration request information again；
GtoVoLTE gateways are received after IMS network successfully nullifies register response, delete user
The related tables generated during registration.
9. method according to claim 8, it is characterised in that also include：
If VoLTE IMS networks log off procedure fails, the GtoVoLTE gateways are tasted again
Try to initiate de-registration request information to VoLTE IMS networks, wherein, reattempting to number of times can match somebody with somebody
Put, if reattempt to reach set point number after still fail, report failure to gateway management equipment
Alarm is pointed out.
10. a kind of device of access VoLTE IMS networks, it is characterised in that including：
Receiver module, please for receiving the authentication from global system for mobile communications GSM network
Ask；
Sip agent module, for completing after the authentication to GSM network by session initiation protocol
Enquiry call conversation control function I- from sip agent module to IP multimedia subsystem IMS network
CSCF network elements send registration information；
If sip agent module receives the requirement carrying authentication information that the I-CSCF is returned
Response, sip agent module is used to initiate to carry note of the user in the authentication information of IMS network again
Volume solicited message, so that described information is forwarded to service call conversation control function S- by I-CSCF
CSCF, if the S-CSCF completes subscription authentication and registration, is sent out by I-CSCF
Send successful registration register response；
Sending module, for receiving IMS network successful registration register response after returned to GSM network
Return authentication request success response.
11. devices according to claim 10, it is characterised in that sending module is used for such as
Fruit receiver module receives IMS network registration failure response or is not received in setting time
To any response, authentication request failure response is returned to GSM network.
12. devices according to claim 10, it is characterised in that including：
The sip agent module is used to be pre-configured with GSM with the mapping of IMS authentication parameters, user
The I-CSCF network elements that authentication information, IMS network registration in IMS network is sent to,
Wherein, GSM includes GSM IMSI and mobile subscriber number with the mapping of IMS authentication parameters
Book number MDN corresponding relations；User IMS network authentication information include authentication mode,
User name, encrypted message.
13. devices according to claim 10, it is characterised in that also including homing position
Register module, mapping table generation module,
Wherein, the receiver module is additionally operable to receive the more new position request that GSM network sends；
Attaching position register module is used to send insertion user data requests to GSM network,
GSM network returns to insertion user data requests response；
The sending module is used to return to renewal position request response to GSM network；
Mapping table generation module, for generating user in GSM network and IMS network associated dynamic
The mapping table of information, the associated dynamic information includes user IMSI, MDN, GSM positions
Information, user service S-CSCF IP address.
14. according to any described device in claim 10-13, it is characterised in that also wrap
Include：
The sip agent module is used to receive the called request INVITE letters of S-CSCF transmissions
Breath, the sip agent module exists for inquiring about user in the mapping table according to MDN
The position of GSM network, the GSM network registered to user's registration sends acquisition roaming number please
Ask；
The receiver module be used for receive GSM network return contain netsurfing number MSRN
Roaming number request response；
The sip agent module is used to obtain the GSM network roaming number MSRN of user
Afterwards, MGCF MGCF nets are routed the call to according to roaming number MSRN
Unit, the called request INVITE information is sent to MGCF, and MGCF is according to roaming number
Code routes the call to GSM network so that GSM network routes to call request INVITE
Called subscriber；
If the sip agent module is used for the response for receiving called successful connection or failure, directly
Switch through and be sent to S-CSCF.
15. according to any described device in claim 10-13, it is characterised in that also wrap
Include：
The receiver module is used to receive the request of GSM network short message sending；
The sip agent module is used to inquire about user's clothes in the mapping table according to user MDN
The IP address of business S-CSCF, sip agent module sends short to the S-CSCF of the IP address
Message request, wherein, information type RP-DATA, the Route header field of the short message request
Carry orig marks；
If the sending module is used to receive the short message request response of S-CSCF forwardings, to
GSM network returns to short message sending success response.
16. according to any described device in claim 10-13, it is characterised in that
The sip agent module is used to receive syncretizing note center eSMSC by S-CSCF turns
The short message request of hair；
The sip agent module exists for inquiring about user in the mapping table according to user MDN
The positional information of GSM network, sends short message sending and asks, so as to GSM nets to GSM network
Network carries out short message and issues and complete to return to short message sending response after short message is issued；
If the sip agent module for receiver module receive GSM network short message sending into
Work(is responded, and short message request success response is returned to S-CSCF.
17. device according to claim 10-13, it is characterised in that also include：
The VoLTE IMS networks cancellation that the receiver module is used to receive GSM network transmission please
Seek information；
The sip agent module is used to send de-registration request information to IMS network I-CSCF；
If receiving the response of the requirement carrying authentication information that S-CSCF is returned, initiate to carry user again
Authentication information de-registration request information；
If removing module successfully nullifies register response for receiving IMS network, user is deleted
The related tables generated during registration.
18. devices according to claim 17, it is characterised in that also include：
If VoLTE IMS networks log off procedure fails, sip agent module is used to reattempt to
De-registration request information is initiated to VoLTE IMS networks, wherein, reattempt to number of times and can configure,
If reattempt to still failed after reaching set point number, reported to gateway management equipment and unsuccessfully alerted
Or prompting.
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| CN201510967914.XA CN106911626B (en) | 2015-12-22 | 2015-12-22 | Access the method and device of VoLTE IMS network |
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| CN201510967914.XA CN106911626B (en) | 2015-12-22 | 2015-12-22 | Access the method and device of VoLTE IMS network |
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