CN105429988A - IMS (Internet Protocol Multimedia Subsystem) registration method and IMS registration system based on multiple services - Google Patents

IMS (Internet Protocol Multimedia Subsystem) registration method and IMS registration system based on multiple services Download PDF

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Publication number
CN105429988A
CN105429988A CN201510863630.6A CN201510863630A CN105429988A CN 105429988 A CN105429988 A CN 105429988A CN 201510863630 A CN201510863630 A CN 201510863630A CN 105429988 A CN105429988 A CN 105429988A
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China
Prior art keywords
cscf
business
subscriber equipment
access point
ims
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CN201510863630.6A
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CN105429988B (en
Inventor
张子敬
武选航
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Dongguan Coolpad Software Technology Co Ltd
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Priority to CN201510863630.6A priority Critical patent/CN105429988B/en
Publication of CN105429988A publication Critical patent/CN105429988A/en
Priority to PCT/CN2016/080836 priority patent/WO2017092229A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • 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
    • 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]

Abstract

The invention provides an IMS (Internet Protocol Multimedia Subsystem) registration method and an IMS registration system based on multiple services. The IMS registration method based on multiple services comprises the following steps that user equipment respectively sends an activation request and a CSCF (Call Session Control Function) discovery request to access points corresponding to multiple services when the user equipment needs to process multiple services based on IMS service; the user equipment receives an IP (Internet Protocol) address which is allocated to the user equipment by the access point corresponding to each service, and a P-CSCF (Proxy Call Session Control Function) discovery list which is fed back by the access point corresponding to each service; the user equipment selects P-CSCFs with the same network address from the P-CSCF discovery list allocated by the access points corresponding to the multiple services; and the user equipment sends an IMS registration request based on the IP address which is allocated to the user equipment by the access point corresponding to each service and an identifier of the user equipment, and executes an initial IMS registration process through the access point corresponding to an appointed service in the multiple services. According to the technical scheme of the invention, the expenditure of network signaling during IMS registration is greatly reduced, the time delay for network access is reduced and the user experience is effectively improved.

Description

Based on multiple services IMS registration method and IMS registration system
Technical field
The present invention relates to communication technical field, in particular to one based on multiple services IMS registration method and a kind of based on multiple services IMS registration system.
Background technology
IMS (InternetProtocolMultimediaSubsystem, internet protocol multimedia subsystem) be a kind of brand-new multimedia service form, mobile radio communication and fixed communication network can be applied to, terminal client business demand that is more novel, more diverse multimedia can be met.
Usually, user must register to IMS network before use IMS service, by registration process can completing user to network and network to the two-way authentication of user.IMS registration comprises twice registration, is initial registration and identification log respectively.Initial registration procedure is by subscriber equipment (UserEquipment, UE) initiate, the process registered is carried out to IMS network, owing to now also not carrying out authentication, respond so network can send unauthorized and carry authentication verification parameter (RAND, AUTH) initiate authentication challenge to subscriber equipment, the calculating of Authentication Response parameter can be carried out after subscriber equipment receives, identification log flow process can be initiated afterwards; Identification log flow process is that challenge responses value is sent to network by subscriber equipment, is completed the process of authentication and key agreement by network.
Existing support VoLTE (VoiceoverLTE (LongTermEvolution, Long Term Evolution), speech business based on LTE) and RCS (RichCommunicationServices, converged communication is served) mobile terminal usually need two registration just can complete the registration process of whole business, two registration refers to that terminal is by two IMS registration, is linked into the service of RCS converged communication and VoLTE service respectively.And IMPI (IPMultimediaPrivateIdentity during this two IMS registration, IP multimedia private identity), IMPU (IPMultimediaPublicIdentity, IP multimedia public identity) and cipher key source be all identical, difference is that it is by different APN (AccessPointName, APN) access networks.Particularly, RCS accesses (as CMNETAPN) by PS (PacketSwitch, packet switching) territory NETAPN, and VoLTE, in order to guaranteed qos (QualityofService, service quality), is accessed by special IMSAPN.
Visible, existing mobile terminal is when needing the multiple business of process based on IMS service, and often need by repeatedly IMS registration process, signaling traffic load is comparatively large, and the network insertion time is longer, causes the experience of user poor.
Summary of the invention
The present invention just based on above-mentioned technical problem one of at least, propose a kind of newly based on multiple services IMS registration scheme, the expense of network signal can be greatly reduced, reduce the time delay of network insertion, effectively improve the experience of user.
In view of this, the present invention proposes a kind of based on multiple services IMS registration method, comprise: subscriber equipment is when needs process the multiple business based on IMS service, activation request and CSCF (CallSessionControlFunction, CSCF) discovery request is sent respectively to the access point that described multiple business is corresponding; Receive the IP address that access point that in described multiple business, each business is corresponding distributes to described subscriber equipment, and the P-CSCF (ProxyCallSessionControlFunction, Proxy Call Session Control Function) receiving access point feedback corresponding to described each business finds list; The P-CSCF distributed from the access point that described multiple business is corresponding finds to select the P-CSCF with same network address list; Distribute to the IP address of described subscriber equipment and the identify label of described subscriber equipment based on the access point that described each business is corresponding and send IMS registration request to described P-CSCF, and by access point execution IMS initial registration procedure corresponding to specified services in described multiple business.
In this technical scheme, when subscriber equipment finds list at the P-CSCF getting IP address that access point that in multiple business, each business is corresponding distributes and feedback, by selecting the P-CSCF with same network address, and the identify label of the IP address distributed based on access point corresponding to each business and subscriber equipment sends IMS registration request to P-CSCF, the access point corresponding by specified services performs IMS initial registration procedure, make subscriber equipment when the multiple business needing process based on IMS service, the access of multiple business can be completed by a registration process, and then the expense of network signal can be greatly reduced, reduce the time delay of network insertion, effectively improve the experience of user.
In technique scheme, preferably, distribute to the IP address of described subscriber equipment and the identify label of described subscriber equipment based on the access point that described each business is corresponding and send IMS registration request to described P-CSCF, and the step of IMS initial registration procedure is performed by the access point that specified services in described multiple business is corresponding, specifically comprise:
Described subscriber equipment sends initial registration request to described P-CSCF, includes access point corresponding to described each business and distribute to the IP address of described subscriber equipment and the identify label of described subscriber equipment in described initial registration request; Described P-CSCF is according to the home network domain name in described initial registration request, described initial registration request is routed to I-CSCF (InterrogationCallSessionControlFunction, query call conversation control function), inquire about home signature user server (i.e. HSS) for described I-CSCF and select S-CSCF (ServingCallSessionControlFunction, service call conversation control function); Described initial registration request is sent to described S-CSCF by described I-CSCF; Described S-CSCF according to the identify label of the described subscriber equipment comprised in described initial registration request, to described home signature user server request download user authentication vector; Described home signature user server, according to the identify label of described subscriber equipment, generates described subscription authentication vector, and feeds back to described S-CSCF; Described S-CSCF, after receiving described subscription authentication vector, returns authentication challenge by described I-CSCF and described P-CSCF to described subscriber equipment.
In addition, in order to the relation of the IP address and each business that can represent subscriber equipment, the business corresponding to IP address can be described in initial registration request; Certainly, if the IP address that access point corresponding to each business distributes to subscriber equipment can show the corresponding relation of IP address and business, then in initial registration request, also corresponding explanation can not have been increased.
In above-mentioned arbitrary technical scheme, preferably, also comprise: described subscriber equipment is after receiving the challenge of described authentication, and the access point corresponding by described specified services performs identification log process; After described subscriber equipment completes described identification log process, the access point that described in described home signature user server record, each business is corresponding to the IP address of described user equipment allocation, and marks the registered described multiple business of described subscriber equipment.
In above-mentioned arbitrary technical scheme, preferably, described activation request is PDP (PacketDataProtocol, packet data protocol) activation request or DHCP (DynamicHostConfigurationProtocol, DHCP) activation request;
The identify label of described subscriber equipment comprises: the IP multimedia private identity of described subscriber equipment and IP multimedia public identity.
In above-mentioned arbitrary technical scheme, preferably, described multiple business comprises: VoLTE business and RCS business; Access point corresponding to described VoLTE business is IMSAPN, and access point corresponding to described RCS business is NETAPN; Access point corresponding to described specified services is described IMSAPN.
In this technical scheme, because the service quality of VoLTE business requires higher usually, therefore in order to ensure the service quality of VoLTE business, can arrange access point corresponding to VoLTE business is IMSAPN, and when subscriber equipment needs process VoLTE business and RCS business, can select to perform IMS initial registration procedure by IMSAPN.Certainly, in other embodiments of the invention, also can select to perform IMS initial registration procedure by NETAPN.
According to a further aspect in the invention, also proposed a kind of based on multiple services IMS registration system, comprise: request transmitting unit, during for needing to process the multiple business based on IMS service at subscriber equipment, send activation request and CSCF discovery request respectively to the access point that described multiple business is corresponding; Receiving element, distributes to the IP address of described subscriber equipment for receiving access point that in described multiple business, each business is corresponding, and the P-CSCF receiving access point feedback corresponding to described each business finds list; Selected cell, the P-CSCF distributed for the access point corresponding from described multiple business finds to select the P-CSCF with same network address in list; Registering unit, distribute to the IP address of described subscriber equipment and the identify label of described subscriber equipment for the access point corresponding based on described each business and send IMS registration request to described P-CSCF, and by access point execution IMS initial registration procedure corresponding to specified services in described multiple business.
In this technical scheme, when subscriber equipment finds list at the P-CSCF getting IP address that access point that in multiple business, each business is corresponding distributes and feedback, by selecting the P-CSCF with same network address, and the identify label of the IP address distributed based on access point corresponding to each business and subscriber equipment sends IMS registration request to P-CSCF, the access point corresponding by specified services performs IMS initial registration procedure, make subscriber equipment when the multiple business needing process based on IMS service, the access of multiple business can be completed by a registration process, and then the expense of network signal can be greatly reduced, reduce the time delay of network insertion, effectively improve the experience of user.
In technique scheme, preferably, described registering unit performs described IMS initial registration procedure and specifically comprises: described subscriber equipment sends initial registration request to described P-CSCF, includes access point corresponding to described each business and distribute to the IP address of described subscriber equipment and the identify label of described subscriber equipment in described initial registration request; Described initial registration request, according to the home network domain name in described initial registration request, is routed to I-CSCF by described P-CSCF, inquires about home signature user server and select S-CSCF for described I-CSCF; Described initial registration request is sent to described S-CSCF by described I-CSCF; Described S-CSCF according to the identify label of the described subscriber equipment comprised in described initial registration request, to described home signature user server request download user authentication vector; Described home signature user server, according to the identify label of described subscriber equipment, generates described subscription authentication vector, and feeds back to described S-CSCF; Described S-CSCF, after receiving described subscription authentication vector, returns authentication challenge by described I-CSCF and described P-CSCF to described subscriber equipment.
In above-mentioned arbitrary technical scheme, preferably, described registering unit also for: described subscriber equipment after receiving the challenge of described authentication, the access point corresponding by described specified services performs identification log process; Wherein, after described subscriber equipment completes described identification log process, the access point that described in described home signature user server record, each business is corresponding to the IP address of described user equipment allocation, and marks the registered described multiple business of described subscriber equipment.
In above-mentioned arbitrary technical scheme, preferably, described activation request is PDP activation request or DHCP activation request; The identify label of described subscriber equipment comprises: the IP multimedia private identity of described subscriber equipment and IP multimedia public identity.
In above-mentioned arbitrary technical scheme, preferably, described multiple business comprises: VoLTE business and RCS business; Access point corresponding to described VoLTE business is IMSAPN, and access point corresponding to described RCS business is NETAPN; Access point corresponding to described specified services is described IMSAPN.
In this technical scheme, because the service quality of VoLTE business requires higher usually, therefore in order to ensure the service quality of VoLTE business, can arrange access point corresponding to VoLTE business is IMSAPN, and when subscriber equipment needs process VoLTE business and RCS business, can select to perform IMS initial registration procedure by IMSAPN.Certainly, in other embodiments of the invention, also can select to perform IMS initial registration procedure by NETAPN.
By above technical scheme, make subscriber equipment when the multiple business needing process based on IMS service, the access of multiple business can be completed by a registration process, and then the expense of network signal can be greatly reduced, reduce the time delay of network insertion, effectively improve the experience of user.
Accompanying drawing explanation
Fig. 1 shows according to an embodiment of the invention based on the schematic flow diagram of multiple services IMS registration method;
Fig. 2 shows according to an embodiment of the invention based on the schematic block diagram of multiple services IMS registration system;
Fig. 3 shows the mono-registration process schematic diagram of VoLTE and RCS according to an embodiment of the invention.
Embodiment
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Fig. 1 shows according to an embodiment of the invention based on the schematic flow diagram of multiple services IMS registration method.
As shown in Figure 1, according to an embodiment of the invention based on multiple services IMS registration method, comprising:
Step 102, subscriber equipment, when the multiple business needing process based on IMS service, sends activation request and CSCF discovery request respectively to the access point that described multiple business is corresponding;
Step 104, receives the IP address that access point that in described multiple business, each business is corresponding distributes to described subscriber equipment, and the P-CSCF receiving access point feedback corresponding to described each business finds list;
Step 106, the P-CSCF distributed from the access point that described multiple business is corresponding finds to select the P-CSCF with same network address list;
Step 108, distribute to the IP address of described subscriber equipment and the identify label of described subscriber equipment based on the access point that described each business is corresponding and send IMS registration request to described P-CSCF, and by access point execution IMS initial registration procedure corresponding to specified services in described multiple business.
In this technical scheme, when subscriber equipment finds list at the P-CSCF getting IP address that access point that in multiple business, each business is corresponding distributes and feedback, by selecting the P-CSCF with same network address, and the identify label of the IP address distributed based on access point corresponding to each business and subscriber equipment sends IMS registration request to P-CSCF, the access point corresponding by specified services performs IMS initial registration procedure, make subscriber equipment when the multiple business needing process based on IMS service, the access of multiple business can be completed by a registration process, and then the expense of network signal can be greatly reduced, reduce the time delay of network insertion, effectively improve the experience of user.
In technique scheme, preferably, distribute to the IP address of described subscriber equipment and the identify label of described subscriber equipment based on the access point that described each business is corresponding and send IMS registration request to described P-CSCF, and the step of IMS initial registration procedure is performed by the access point that specified services in described multiple business is corresponding, specifically comprise:
Described subscriber equipment sends initial registration request to described P-CSCF, includes access point corresponding to described each business and distribute to the IP address of described subscriber equipment and the identify label of described subscriber equipment in described initial registration request; Described initial registration request, according to the home network domain name in described initial registration request, is routed to I-CSCF by described P-CSCF, inquires about home signature user server and select S-CSCF for described I-CSCF; Described initial registration request is sent to described S-CSCF by described I-CSCF; Described S-CSCF according to the identify label of the described subscriber equipment comprised in described initial registration request, to described home signature user server request download user authentication vector; Described home signature user server, according to the identify label of described subscriber equipment, generates described subscription authentication vector, and feeds back to described S-CSCF; Described S-CSCF, after receiving described subscription authentication vector, returns authentication challenge by described I-CSCF and described P-CSCF to described subscriber equipment.
In above-mentioned arbitrary technical scheme, preferably, also comprise: described subscriber equipment is after receiving the challenge of described authentication, and the access point corresponding by described specified services performs identification log process; After described subscriber equipment completes described identification log process, the access point that described in described home signature user server record, each business is corresponding to the IP address of described user equipment allocation, and marks the registered described multiple business of described subscriber equipment.
In above-mentioned arbitrary technical scheme, preferably, described activation request is PDP activation request or DHCP activation request;
The identify label of described subscriber equipment comprises: the IP multimedia private identity of described subscriber equipment and IP multimedia public identity.
In above-mentioned arbitrary technical scheme, preferably, described multiple business comprises: VoLTE business and RCS business; Access point corresponding to described VoLTE business is IMSAPN, and access point corresponding to described RCS business is NETAPN; Access point corresponding to described specified services is described IMSAPN.
In this technical scheme, because the service quality of VoLTE business requires higher usually, therefore in order to ensure the service quality of VoLTE business, can arrange access point corresponding to VoLTE business is IMSAPN, and when subscriber equipment needs process VoLTE business and RCS business, can select to perform IMS initial registration procedure by IMSAPN.Certainly, in other embodiments of the invention, also can select to perform IMS initial registration procedure by NETAPN.
Fig. 2 shows according to an embodiment of the invention based on the schematic block diagram of multiple services IMS registration system.
As shown in Figure 2, according to an embodiment of the invention based on multiple services IMS registration system 200, comprising: request transmitting unit 202, receiving element 204, selected cell 206 and registering unit 208.
Wherein, request transmitting unit 202, during for needing to process the multiple business based on IMS service at subscriber equipment, sends activation request and CSCF discovery request respectively to the access point that described multiple business is corresponding; Receiving element 204, distributes to the IP address of described subscriber equipment for receiving access point that in described multiple business, each business is corresponding, and the P-CSCF receiving access point feedback corresponding to described each business finds list; Selected cell 206, the P-CSCF distributed for the access point corresponding from described multiple business finds to select the P-CSCF with same network address in list; Registering unit 208, distribute to the IP address of described subscriber equipment and the identify label of described subscriber equipment for the access point corresponding based on described each business and send IMS registration request to described P-CSCF, and by access point execution IMS initial registration procedure corresponding to specified services in described multiple business.
In this technical scheme, when subscriber equipment finds list at the P-CSCF getting IP address that access point that in multiple business, each business is corresponding distributes and feedback, by selecting the P-CSCF with same network address, and the identify label of the IP address distributed based on access point corresponding to each business and subscriber equipment sends IMS registration request to P-CSCF, the access point corresponding by specified services performs IMS initial registration procedure, make subscriber equipment when the multiple business needing process based on IMS service, the access of multiple business can be completed by a registration process, and then the expense of network signal can be greatly reduced, reduce the time delay of network insertion, effectively improve the experience of user.
In technique scheme, preferably, described registering unit 208 performs described IMS initial registration procedure and specifically comprises: described subscriber equipment sends initial registration request to described P-CSCF, includes access point corresponding to described each business and distribute to the IP address of described subscriber equipment and the identify label of described subscriber equipment in described initial registration request; Described initial registration request, according to the home network domain name in described initial registration request, is routed to I-CSCF by described P-CSCF, inquires about home signature user server and select S-CSCF for described I-CSCF; Described initial registration request is sent to described S-CSCF by described I-CSCF; Described S-CSCF according to the identify label of the described subscriber equipment comprised in described initial registration request, to described home signature user server request download user authentication vector; Described home signature user server, according to the identify label of described subscriber equipment, generates described subscription authentication vector, and feeds back to described S-CSCF; Described S-CSCF, after receiving described subscription authentication vector, returns authentication challenge by described I-CSCF and described P-CSCF to described subscriber equipment.
In above-mentioned arbitrary technical scheme, preferably, described registering unit 208 also for: described subscriber equipment after receiving the challenge of described authentication, the access point corresponding by described specified services performs identification log process; Wherein, after described subscriber equipment completes described identification log process, the access point that described in described home signature user server record, each business is corresponding to the IP address of described user equipment allocation, and marks the registered described multiple business of described subscriber equipment.
In above-mentioned arbitrary technical scheme, preferably, described activation request is PDP activation request or DHCP activation request; The identify label of described subscriber equipment comprises: the IP multimedia private identity of described subscriber equipment and IP multimedia public identity.
In above-mentioned arbitrary technical scheme, preferably, described multiple business comprises: VoLTE business and RCS business; Access point corresponding to described VoLTE business is IMSAPN, and access point corresponding to described RCS business is NETAPN; Access point corresponding to described specified services is described IMSAPN.
In this technical scheme, because the service quality of VoLTE business requires higher usually, therefore in order to ensure the service quality of VoLTE business, can arrange access point corresponding to VoLTE business is IMSAPN, and when subscriber equipment needs process VoLTE business and RCS business, can select to perform IMS initial registration procedure by IMSAPN.Certainly, in other embodiments of the invention, also can select to perform IMS initial registration procedure by NETAPN.
Need process VoLTE business and RCS business and terminal by NETAPN (as CmnetAPN) access registration to RCS service below in conjunction with Fig. 3 with terminal, served as example describes technical scheme of the present invention in detail to VoLTE by IMSAPN access registration.Wherein, terminal completes registration process by IMSAKA algorithm.
The technical scheme of this embodiment mainly terminal after completing two-way APNPDP (corresponding respectively to VoLTE service and RCS service) activation, perform the discovery procedure of respective P-CSCF, it can produce two P-CSCF and find list like this, then find to select identical P-CSCF address list from these two, and undertaken accessing and registering by IMS-APN.Wherein need the IP address distributed during the two-way PDP activation of carried terminal in registration request, and mark the COS (i.e. RCS service or VoLTE service) of each IP address correspondence registration, and then in terminal access registration being served to RCS converged communication and VoLTE by single logon mode with this.
Detailed process as shown in Figure 3, comprising:
Step 302, UE (UserEquipment, subscriber equipment) carry out PDP activation respectively by two APN, activate network side successfully can return the IP address of UE and P-CSCF discovery list (here with PDP activation process complete P-CSCF be found to be example to describe, the discovery procedure finding P-CSCF can certainly be completed) by DHCP mode, two IP addresses will be there are in such terminal, the IP address of corresponding RCS service and the IP address of VoLTE service, also have the address list of two P-CSCF certainly respectively.
Step 304, UE selects identical P-CSCF address as the entrance of single registration access from two P-CSCF lists.
Step 306, UE sends registration request to the P-CSCF selected.Wherein, the information such as IMPI, IMPU, UE-IP (RCS), UE-IP (VoLTE) is carried in registration request.It should be noted that the service quality in order to ensure VoLTE business, on IMS-APN link, registration request can be sent to the P-CSCF selected.
Step 308, registration request, according to the home network domain name (in the configuration of UE side) in registration request, is routed to I-CSCF by P-CSCF.
Step 310, I-CSCF uses UAR information query HSS; HSS UAA message returns the S-CSCF capability set of user's request, selects S-CSCF for I-CSCF.
Step 312, I-CSCF selects suitable S-CSCF according to the signing demand of user, and registration request is mail to S-CSCF.
Step 314, after S-CSCF receives this request, S-CSCF asks download user authentication vector according to the IMPI MAR message comprised in registration request to home signature user server HSS; Home signature user server HSS detects and download user authentication vector according to IMPI, then passes through MAA message by subscription authentication vector feedback to S-CSCF.
Step 316, S-CSCF, after receiving subscription authentication vector, sends 401 unauthorizeds and responds and carry authentication verification parameter to the challenge of I-CSCF transmission authentication.
Step 318,401 unauthorized responses and authentication challenge are sent to P-CSCF by I-CSCF.
Step 320,401 unauthorized responses and authentication challenge are fed back to UE by P-CSCF.
Step 322, UE performs identification log process based on the authentication challenge received, and this process is consistent with existing identification log process, does not repeat them here.
Step 324, carries out registering and registering at RCS converged communication service platform after the success of IMS identification log.
Step 326, after the success of IMS identification log, RCS and VoLTE marking UE in HSS is registered, and preserves corresponding IP address.
In sum, technical scheme of the present invention mainly finds to select identical P-CSCF address to initiate IMS registration in list at the P-CSCF of two APN carryings, and the process of registration has been accessed by IMSAPN, wherein IMS registration request carries two IP address of UE and COS corresponding to each IP, with this by the mono-access of having registered RCS converged communication and VoLTE service of IMS-APN.
More than be described with reference to the accompanying drawings technical scheme of the present invention, the present invention proposes a kind of newly based on multiple services IMS registration scheme, make subscriber equipment when the multiple business needing process based on IMS service, the access of multiple business can be completed by a registration process, and then the expense of network signal can be greatly reduced, reduce the time delay of network insertion, effectively improve the experience of user.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. based on a multiple services IMS registration method, it is characterized in that, comprising:
Subscriber equipment, when the multiple business needing process based on IMS service, sends activation request and CSCF discovery request respectively to the access point that described multiple business is corresponding;
Receive the IP address that access point that in described multiple business, each business is corresponding distributes to described subscriber equipment, and the P-CSCF receiving access point feedback corresponding to described each business finds list;
The P-CSCF distributed from the access point that described multiple business is corresponding finds to select the P-CSCF with same network address list;
Distribute to the IP address of described subscriber equipment and the identify label of described subscriber equipment based on the access point that described each business is corresponding and send IMS registration request to described P-CSCF, and by access point execution IMS initial registration procedure corresponding to specified services in described multiple business.
2. according to claim 1 based on multiple services IMS registration method, it is characterized in that, distribute to the IP address of described subscriber equipment and the identify label of described subscriber equipment based on the access point that described each business is corresponding and send IMS registration request to described P-CSCF, and the step of IMS initial registration procedure is performed by the access point that specified services in described multiple business is corresponding, specifically comprise:
Described subscriber equipment sends initial registration request to described P-CSCF, includes access point corresponding to described each business and distribute to the IP address of described subscriber equipment and the identify label of described subscriber equipment in described initial registration request;
Described initial registration request, according to the home network domain name in described initial registration request, is routed to I-CSCF by described P-CSCF, inquires about home signature user server and select S-CSCF for described I-CSCF;
Described initial registration request is sent to described S-CSCF by described I-CSCF;
Described S-CSCF according to the identify label of the described subscriber equipment comprised in described initial registration request, to described home signature user server request download user authentication vector;
Described home signature user server, according to the identify label of described subscriber equipment, generates described subscription authentication vector, and feeds back to described S-CSCF;
Described S-CSCF, after receiving described subscription authentication vector, returns authentication challenge by described I-CSCF and described P-CSCF to described subscriber equipment.
3. according to claim 2ly to it is characterized in that based on multiple services IMS registration method, also comprise:
Described subscriber equipment is after receiving the challenge of described authentication, and the access point corresponding by described specified services performs identification log process;
After described subscriber equipment completes described identification log process, the access point that described in described home signature user server record, each business is corresponding to the IP address of described user equipment allocation, and marks the registered described multiple business of described subscriber equipment.
4. according to claim 1ly it is characterized in that based on multiple services IMS registration method, described activation request is PDP activation request or DHCP activation request;
The identify label of described subscriber equipment comprises: the IP multimedia private identity of described subscriber equipment and IP multimedia public identity.
5. according to any one of claim 1 to 4ly it is characterized in that based on multiple services IMS registration method, described multiple business comprises: VoLTE business and RCS business;
Access point corresponding to described VoLTE business is IMSAPN, and access point corresponding to described RCS business is NETAPN;
Access point corresponding to described specified services is described IMSAPN.
6., based on a multiple services IMS registration system, it is characterized in that, comprising:
Request transmitting unit, during for needing to process the multiple business based on IMS service at subscriber equipment, sends activation request and CSCF discovery request respectively to the access point that described multiple business is corresponding;
Receiving element, distributes to the IP address of described subscriber equipment for receiving access point that in described multiple business, each business is corresponding, and the P-CSCF receiving access point feedback corresponding to described each business finds list;
Selected cell, the P-CSCF distributed for the access point corresponding from described multiple business finds to select the P-CSCF with same network address in list;
Registering unit, distribute to the IP address of described subscriber equipment and the identify label of described subscriber equipment for the access point corresponding based on described each business and send IMS registration request to described P-CSCF, and by access point execution IMS initial registration procedure corresponding to specified services in described multiple business.
7. according to claim 6ly it is characterized in that based on multiple services IMS registration system, described registering unit performs described IMS initial registration procedure and specifically comprises:
Described subscriber equipment sends initial registration request to described P-CSCF, includes access point corresponding to described each business and distribute to the IP address of described subscriber equipment and the identify label of described subscriber equipment in described initial registration request;
Described initial registration request, according to the home network domain name in described initial registration request, is routed to I-CSCF by described P-CSCF, inquires about home signature user server and select S-CSCF for described I-CSCF;
Described initial registration request is sent to described S-CSCF by described I-CSCF;
Described S-CSCF according to the identify label of the described subscriber equipment comprised in described initial registration request, to described home signature user server request download user authentication vector;
Described home signature user server, according to the identify label of described subscriber equipment, generates described subscription authentication vector, and feeds back to described S-CSCF;
Described S-CSCF, after receiving described subscription authentication vector, returns authentication challenge by described I-CSCF and described P-CSCF to described subscriber equipment.
8. according to claim 7ly to it is characterized in that based on multiple services IMS registration system, described registering unit also for: described subscriber equipment is after receiving the challenge of described authentication, and the access point corresponding by described specified services performs identification log process;
Wherein, after described subscriber equipment completes described identification log process, the access point that described in described home signature user server record, each business is corresponding to the IP address of described user equipment allocation, and marks the registered described multiple business of described subscriber equipment.
9. according to claim 6ly it is characterized in that based on multiple services IMS registration system, described activation request is PDP activation request or DHCP activation request;
The identify label of described subscriber equipment comprises: the IP multimedia private identity of described subscriber equipment and IP multimedia public identity.
10. according to any one of claim 6 to 9 based on multiple services IMS registration system, it is characterized in that, described multiple business comprises: VoLTE business and RCS business;
Access point corresponding to described VoLTE business is IMSAPN, and access point corresponding to described RCS business is NETAPN;
Access point corresponding to described specified services is described IMSAPN.
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