CN109257353A - Conversation managing method, apparatus and system - Google Patents
Conversation managing method, apparatus and system Download PDFInfo
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- CN109257353A CN109257353A CN201811114630.6A CN201811114630A CN109257353A CN 109257353 A CN109257353 A CN 109257353A CN 201811114630 A CN201811114630 A CN 201811114630A CN 109257353 A CN109257353 A CN 109257353A
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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
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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
- H04L65/40—Support for services or applications
- H04L65/403—Arrangements for multi-party communication, e.g. for conferences
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Abstract
The present invention relates to a kind of conversation managing methods, apparatus and system, from the conversation managing method of PCRF angle implementation, comprising: receive the AAR message for the current Rx session that P-CSCF is sent；Based on default maintenance relationship and AAR message, by current Rx session association to the Gx session of previous Rx session association；Default maintenance relationship is the Gx session identification of Gx session and the corresponding relationship of user device address.Current Rx session association arrives the Gx session of previous Rx session association, so that the multiple Rx sessions of single Gx session association, session management of the realization to multi-party call.The application enhances the type of business of IMS system support, enables the system to support VoLTE multi-party call application scenarios abundant.This application provides the Rx conversation managing methods that can be applied to during IMSVoLTE multi-party call, solve the problems, such as the Rx session management during multi-party call, and then ensure that VoLTE multi-party call can be normally carried out.
Description
Technical field
This application involves fields of communication technology, more particularly to a kind of conversation managing method, apparatus and system.
Background technique
The trend day that the mobile of telecommunication technology business, broadband and IP (Internet Protocol, Internet protocol) change
Beneficial obvious, mobile communication technology is in the critical period of network technology evolution, also just at this moment, LTE (Long Term
Evolution, long term evolution) it comes into being.Unified standard of the LTE as next generation mobile communication has spectral efficient, height
A variety of advantages such as peak rate, high mobility and network architecture flattening, as LTE core network EPC (Evolved Packet
Core, evolved packet core) platform to converged network evolution is provided, it is capable of providing a variety of wireless access technologys and multiplicity
Business, and the seamless switching that these business can be supported to move between these wireless access technologys；It can be realized network
Flattening and IPization；It is capable of providing the network performance of high bandwidth and low delay；It can be coexisted with existing network, and support smoothly to drill
Into, and finally substitute existing network.
Traditional LTE network is not before IMS (IP Multimedia Subsystem, IP multimedia subsystem) introducing
The voice call service in PS (Packet Switch, packet switch) domain, all voice call services is supported to require to be transferred to electricity
Road domain utilizes 2G (2-Generation wireless telephone technology)/3G (3rd-Generation) network
Entity is completed.During realization, inventor has found that at least there are the following problems in traditional technology: EPC system still cannot at present
Explicitly define the session management side to IMS system VoLTE (Voice Over LTE, the voice service based on IMS) multi-party call
Method leads to not ensure being normally carried out for VoLTE multi-party call.
Summary of the invention
Based on this, it is necessary in view of the above technical problems, provide one kind and be able to solve session management during multi-party call
Conversation managing method, the apparatus and system of problem.
To achieve the goals above, on the one hand, the embodiment of the invention provides a kind of session pipes implemented from PCRF angle
Reason method, comprising:
Receive the AAR message for the current Rx session that P-CSCF is sent；
Based on default maintenance relationship and AAR message, by current Rx session association to the Gx session of previous Rx session association；
Default maintenance relationship is the Gx session identification of Gx session and the corresponding relationship of user device address.
It is wrapped before the step of receiving the AAR message for the current Rx session that P-CSCF is sent in one of the embodiments,
Include step:
Gx session is established, configures Gx session identification for Gx session, and generate default maintenance relationship.
In one of the embodiments, based on default maintenance relationship and AAR message, by current Rx session association to previous
The step of Gx session of Rx session association includes:
Default maintenance relationship is searched according to the address cell that AAR message carries, obtains the corresponding Gx meeting of user device address
Words mark；Address cell includes the Rx session identification of user device address and current Rx session；
Generate the incidence relation of the Rx session identification of Gx session identification and current Rx session.
The incidence relation of the Rx session identification of Gx session identification and current Rx session is generated in one of the embodiments,
Step includes:
Incidence relation table is searched by Gx session identification, the Rx session identification of current Rx session is added to incidence relation table
In；Incidence relation table includes the incidence relation of the Rx session identification of Gx session identification and previous Rx session.
It further comprises the steps of: in one of the embodiments,
Receive the STR message that P-CSCF is sent；
Based on STR message, corresponding Rx session in each Rx session of association Gx session is deleted.
It is based on STR message in one of the embodiments, deletes corresponding Rx session in each Rx session of association Gx session
The step of include:
Delete the incidence relation of Rx session identification and Gx session identification that STR message carries.
On the other hand, the embodiment of the invention also provides a kind of conversation managing methods implemented from P-CSCF angle, comprising:
The AAR message of current Rx session is sent to PCRF；
AAR message is used to indicate PCRF and is based on default maintenance relationship and AAR message, by current Rx session association to previous
The Gx session of Rx session association；Default maintenance relationship is the Gx session identification of Gx session and the corresponding relationship of user device address.
It further comprises the steps of: in one of the embodiments,
STR message is sent to PCRF；
STR message is used to indicate PCRF and deletes corresponding Rx session in each Rx session of association Gx session.
A kind of session management device implemented from PCRF angle, comprising:
Receiving module, the AAR message of the current Rx session for receiving P-CSCF transmission；
Relating module, for being based on default maintenance relationship and AAR message, by current Rx session association to previous Rx session
Associated Gx session；Default maintenance relationship is the Gx session identification of Gx session and the corresponding relationship of user device address.
A kind of session management device implemented from P-CSCF angle, comprising:
Message transmission module, for sending the AAR message of current Rx session to PCRF；AAR message is used to indicate PCRF base
In default maintenance relationship and AAR message, by current Rx session association to the Gx session of previous Rx session association；Default maintenance is closed
System is the Gx session identification of Gx session and the corresponding relationship of user device address.
A kind of EPC system, including PCRF；
PCRF is used for the step of executing the above-mentioned conversation managing method implemented from PCRF angle.
A kind of IMS system, including P-CSCF；
P-CSCF is used for the step of executing the above-mentioned conversation managing method implemented from P-CSCF angle.
IMS system is the IMS system based on TD-LTE standard in one of the embodiments,.
A kind of conversation management system, including PCRF, P-CSCF and PGW；PCRF connects PGW by Gx interface, passes through Rx
Interface connects P-CSCF；
PCRF is used for the step of executing the above-mentioned conversation managing method implemented from PCRF angle；
P-CSCF is used for the step of executing the above-mentioned conversation managing method implemented from P-CSCF angle.
A kind of computer readable storage medium is stored thereon with computer program, when computer program is executed by processor
The step of realizing any of the above-described conversation managing method.
A technical solution in above-mentioned technical proposal is had the following advantages and beneficial effects:
During multi-party call, the called subscriber also to converse simultaneously as third party as caller is two or more
A Rx session corresponds to the scene of a Gx session, the perfect management method of Gx session and Rx session of the application, current Rx meeting
Words are associated with the Gx session of previous Rx session association, so that the multiple Rx sessions of single Gx session association, are realized to multi-party
The session management of call.Present application addresses the Rx session management problems of IMS Three-Way Calling, are equally applicable to the more of tripartite or more
Side's call Rx session management.The application enhances the type of business of IMS system support, enables the system to support abundant
VoLTE multi-party call application scenarios.This application provides the Rx session managements that can be applied to during IMS VoLTE multi-party call
Method solves the problems, such as the Rx session management during multi-party call, and then ensures that VoLTE multi-party call can be normally carried out, from
And improve the experience of VoLTE user's communication.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is the applied environment figure of conversation managing method in one embodiment；
Fig. 2 is the first schematic flow schematic diagram of the conversation managing method implemented in one embodiment from PCRF angle；
Fig. 3 is the second schematic flow schematic diagram of the conversation managing method implemented in one embodiment from PCRF angle；
Fig. 4 is the first schematic flow signal for the conversation managing method implemented in one embodiment from P-CSCF angle
Figure；
Fig. 5 is the schematic diagram of IMS PDN connection Gx session establishment in conversation managing method in one embodiment；
Fig. 6 is first Rx session management schematic diagram of Three-Way Calling in conversation managing method in one embodiment；
Fig. 7 is second Rx session management schematic diagram of Three-Way Calling in conversation managing method in one embodiment；
Fig. 8 is multi-party call Rx session management schematic diagram in conversation managing method in one embodiment；
Fig. 9 is the structural block diagram for the session management device implemented in one embodiment from PCRF angle；
Figure 10 is the structural block diagram for the session management device implemented in one embodiment from P-CSCF angle.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
IMS is introduced by 3GPP (3rd Generation Partnership Project) Release 5, Release5
The basic structure of IMS is defined, the work that Release 6 carries out concentrates on the various enhancing business of IMS, and IMS is on ps domain
It has been superimposed a calling and service control system, has realized real ps domain audio call and Service control.User initiates IMS
In VoLTE voice call procedure, network element P-CSCF (Proxy-Call Session Control Function, generation inside IMS
Manage call session control function) media description information and EPC network element PCRF (Policy and are carried by Rx interface
Charging Rule Function, Policy and Charging Rules Function) interaction, triggers Gx meeting of the PCRF to Rx session association
Words establish voice dedicated bearer, realize user voice data transmission.
Conversation managing method provided by the present application can be applied in application environment as shown in Figure 1.Wherein, in EPC system
Gx interface is located between PGW (PDN Gateway, PDN Gateway) and PCRF in system, and Rx mouthfuls between P-CSCF and PCRF.IMS
User wants to initiate VoLTE audio call firstly the need of in EPC system foundation completion IMS PDN (Public Data
Network, public data network) connection, EPC system network element PCRF can be established for the user and be safeguarded an IMS PDN at this time
Gx session, the IP-Can of the IMS signaling traffic default bearing of Gx session corresponding UE (User Equipment, subscriber terminal equipment)
(IP Connectivity Access Network, IP connected reference network) session, since voice data needs dedicated bearer,
The foundation of dedicated bearer is depended on the Gx session default bearing having built up, by Rx mouthfuls of AAR (Auth Assign
Request, authorized appropriation request) request message trigger PCRF to PGW request establish dedicated bearer, carried by AAR message
Framed-IP-Address Address cell establishes incidence relation between Rx session and Gx session.
However, the Rx conversation managing method to IMS system VoLTE multi-party call is not exactly defined in EPC system at present, this is asked
Topic, which will lead to, can not ensure being normally carried out for VoLTE multi-party call.Generally, Rx session and Gx session under VoLTE call scenarios
Be it is one-to-one, i.e. a Rx session corresponds to a Gx session, and during multi-party call, for example, in Three-Way Calling
The called subscriber also to converse simultaneously as third party as caller is that two or more Rx sessions correspond to a Gx session, thus
This application provides the Rx conversation managing methods that can be applied to during IMS VoLTE multi-party call, solve multi-party call process
In Rx session management problem, and then ensure VoLTE multi-party call can be normally carried out, so as to improve VoLTE user's communication body
It tests.
In one embodiment, as shown in Fig. 2, providing a kind of conversation managing method, it is applied in Fig. 1 in this way
It is illustrated for PCRF, comprising the following steps:
Step S202 receives the AAR message for the current Rx session that P-CSCF is sent.
Wherein, current Rx session refers to current Rx session；That is P-CSCF sends current Rx session by Rx interface
AAR message；AAR message can refer to the request message of Rx session establishment.
Specifically, user A initiates to call the VoLTE of user B, and triggering P-CSCF disappears to the AAR that PCRF sends Rx session
Breath；For another example, user C initiates to call the VoLTE of user A, and triggering P-CSCF sends the AAR message of Rx session to PCRF.
Step S204, based on default maintenance relationship and AAR message, by current Rx session association to previous Rx session association
Gx session.
Wherein, the corresponding relationship of the Gx session identification that maintenance relationship is Gx session and user device address is preset.
Specifically, PCRF can (i.e. address be believed by Framed-IP-Address Address cell that AAR message carries
Member) between Rx session and Gx session establish incidence relation.And PCRF can safeguard Gx session identification and user device address in advance
Corresponding relationship.And by current Rx session association to the Gx session of previous Rx session association, so that under multi-party call scene, it is single
The session management to multi-party call is realized in a multiple Rx sessions of Gx session association.
In a specific embodiment, before the step of receiving the AAR message for the current Rx session that P-CSCF is sent
Comprising steps of
Gx session is established, configures Gx session identification for Gx session, and generate default maintenance relationship.
Specifically, IMS user completes IMS PDN connection foundation in EPC system.User completes IMS PDN and establishes and obtain
It is the user device address (UE Address) of its distribution to PGW, while establishes the Gx session of the corresponding user in PCRF；PCRF
Match unique identification Gx Session ID for Gx session, PCRF safeguards the corresponding relationship of Gx Session ID and UE Address.
Further, PCRF can establish Gx Session ID and UE Address mapping table in calculator memory.
It should be noted that Gx session identification can refer to Gx session unique identification Gx Session ID；User device address can refer to UE
Address。
In addition, the Framed-IP-Address Address cell that AAR message carries can represent user device address (i.e.
UE Address) and Rx session identification；It should be noted that Rx session identification can refer to Rx session unique identification Rx Session
ID。
In a specific embodiment, based on default maintenance relationship and AAR message, by current Rx session association to previous
The step of Gx session of a Rx session association includes:
Default maintenance relationship is searched according to the address cell that AAR message carries, obtains the corresponding Gx meeting of user device address
Words mark；Address cell includes the Rx session identification of user device address and current Rx session；
Generate the incidence relation of the Rx session identification of Gx session identification and current Rx session.
Specifically, Rx session, will by Gx Session ID unique identification by Rx Session ID unique identification, Gx session
Rx session association can refer to the incidence relation for establishing Rx Session ID Yu Gx Session ID to Gx session.
Rx session can be associated with the incidence relation of Gx session by UE Address in the application, specifically, can be in Gx meeting
When words are established, UE Address and Gx Session ID incidence relation table are established；And it can be built when current Rx session establishment
Vertical UE Address and current Rx Session ID incidence relation table, establish Gx Session ID by searching for UE Address
With the incidence relation of current Rx Session ID.
Further, the step of incidence relation of generation Gx session identification and the Rx session identification of current Rx session includes:
Incidence relation table is searched by Gx session identification, the Rx session identification of current Rx session is added to incidence relation table
In；Incidence relation table includes the incidence relation of the Rx session identification of Gx session identification and previous Rx session.
Specifically, being associated with for Gx Session ID and previous Rx Session ID is contained in incidence relation table
System.At this point, UE Address and current Rx Session ID incidence relation can be established when current Rx session establishment, pass through
It searches UE Address and is associated with the Gx Session ID in default maintenance relationship.
Further, incidence relation table is found with Gx Session ID, current Rx Session ID is added to this
In incidence relation table, two Rx sessions of Gx session association at this time；And so on, it is more that a Gx session association may be implemented
The Rx session management of multi-party call is realized in a Rx session.
It is above-mentioned from PCRF angle implement conversation managing method in, current Rx session association to previous Rx session association
Gx session, so that under multi-party call scene, the session pipe to multi-party call is realized in the single multiple Rx sessions of Gx session association
Reason.When the multi-party call scene for having more than tripartite, Gx Session ID will be associated with multiple Rx Session ID, namely establish
Gx session is associated with multiple Rx sessions, meets tripartite or multi-party call demand.
It should be noted that there is no limit practical applications for the multi-party call quantity theoretically supported of the application
In computer performance and processing capacity, can generally arrange an acceptable upper limit prevents computer resource from exhausting.
Applied to the quilt in multi-party call process (for example, Three-Way Calling), also conversed simultaneously as third party as caller
Being user is the scene that two or more Rx sessions correspond to a Gx session, the perfect pipe of Gx session and Rx session of the application
Reason method solves the problems, such as the Rx session management of IMS Three-Way Calling, the type of business of IMS system support is enhanced, so that system
It can support VoLTE multi-party call application scenarios abundant.This application provides can be applied to IMS VoLTE multi-party call process
In Rx conversation managing method, solve the problems, such as the Rx session management during multi-party call, and then ensure VoLTE multi-party call energy
It is enough normally carried out, so as to improve the experience of VoLTE user's communication.
In one embodiment, as shown in figure 3, providing a kind of conversation managing method, it is applied in Fig. 1 in this way
It is illustrated for PCRF, comprising the following steps:
Step S302 establishes Gx session, configures Gx session identification for Gx session, and generate default maintenance relationship；
Step S304 receives the AAR message for the current Rx session that P-CSCF is sent；
Step S306, based on default maintenance relationship and AAR message, by current Rx session association to previous Rx session association
Gx session；Default maintenance relationship is the Gx session identification of Gx session and the corresponding relationship of user device address；
Step S308 receives the STR message that P-CSCF is sent；
Step S310 is based on STR message, deletes corresponding Rx session in each Rx session of association Gx session.
In a specific embodiment, it is based on STR message, deletes corresponding Rx meeting in each Rx session of association Gx session
The step of words includes:
Delete the incidence relation of Rx session identification and Gx session identification that STR message carries.
Specifically, needing to delete above-mentioned Gx session and Rx session association relationship at the end of multi-party call, for example, user C
Terminate to converse with the VoLTE of user A, PCRF receives the STR (Session-Termination- that P-CSCF is sent by Rx interface
Request) message, and second Rx session is deleted based on the STR message；In a specific example, PCRF deletes Gx
The incidence relation for the Rx Session ID that Session ID and the STR message carry；Until the Gx meeting established in multi-party call
Words are all removed with Rx session association relationship and are completed, and multi-party call terminates.
This application provides IMS multi-party call Rx conversation managing methods, realize the Rx meeting to IMS VoLTE multi-party call
Words management.The perfect management method of Gx session and Rx session enables single Gx session to be associated with multiple Rx sessions, realizes pair
The session management of multi-party call；The type of business of IMS system support is enhanced, enables the system to support VoLTE abundant more
Square talk application scene.And the above method can be realized using any available software program method can runs software hardware
On server apparatus.
In one embodiment, as shown in figure 4, providing a kind of conversation managing method, it is applied in Fig. 1 in this way
It is illustrated for P-CSCF, comprising the following steps:
Step S402 sends the AAR message of current Rx session to PCRF；
AAR message is used to indicate PCRF and is based on default maintenance relationship and AAR message, by current Rx session association to previous
The Gx session of Rx session association；Default maintenance relationship is the Gx session identification of Gx session and the corresponding relationship of user device address.
Specifically, user A initiates to call the VoLTE of user B, triggering P-CSCF sends the AAR of Rx session to PCRF
Message, AAR message carry Framed-IP-Address Address cell and represent UE Address and Rx session unique identification Rx
Session ID；PCRF searches the corresponding relationship of the Gx Session ID and UE Address of maintenance, by current Rx session association
To Gx session, meanwhile, establish the incidence relation of the Rx Session ID of Gx Session ID and current Rx session.
In a specific embodiment, it further comprises the steps of:
STR message is sent to PCRF；
STR message is used to indicate PCRF and deletes corresponding Rx session in each Rx session of association Gx session.
Specifically, multi-party call terminates, need to delete above-mentioned Gx session and Rx session association relationship；For example, user B is tied
The VoLTE of beam and user A converse, and P-CSCF sends STR message by Rx interface and indicates that PCRF deletes Rx session, and PCRF, which is deleted, to close
The incidence relation of the Gx Session ID established and the Rx Session ID of the Rx session in connection relation table；Until multi-party call
The Gx session of middle foundation and Rx session association relationship, which are all removed, to be completed, and multi-party call terminates.
The application conversation managing method is illustrated below with reference to a specific example.In EPC system, with the party
Method is applied to be illustrated for PCRF and P-CSCF in Fig. 1, comprising the following steps:
1, IMS user completes IMS PDN connection foundation in EPC system.It is established simultaneously as shown in figure 5, user completes IMS PDN
PGW is got as the user device address (UE Address) of its distribution, while establishing the Gx session of the corresponding user in PCRF,
PCRF is that unique identification Gx Session ID is matched in Gx session, and PCRF safeguards that Gx Session ID is corresponding with UE Address and closes
System.
Wherein, PCRF can be by establishing Gx Session ID and UE Address mapping table in calculator memory
Mode safeguard the corresponding relationship.
2, first Rx session establishment and management, user A as shown in Figure 6 initiate to call the VoLTE of user B, trigger P-
CSCF sends the AAR message of Rx session to PCRF, and AAR message carries Framed-IP-Address Address cell and represents UE
Gx the Session ID and UE that Address and Rx session unique identification Rx Session ID, PCRF finding step 1 is safeguarded
The corresponding relationship of Address, by first Rx session association to Gx session, meanwhile, establish Gx Session ID and first Rx
The incidence relation of Session ID.
Specifically, Rx session, by Rx Session ID unique identification, Gx session, will by Gx Session ID unique identification
Rx session association to Gx session be exactly the incidence relation for establishing Rx Session ID Yu Gx Session ID.
Wherein, the incidence relation of Rx session and Gx session is associated by UE Address, specific: such as step 1 institute
It states, Gx session establishment when can establish UE Address and Gx Session ID incidence relation table；As described in step 2, first
UE Address and first Rx Session ID incidence relation table can be established when a Rx session establishment, by searching for UE
Address establishes the incidence relation of Gx Session ID and first Rx Session ID.
3, second Rx session establishment and management trigger P- as shown in fig. 7, user C initiates to call the VoLTE of user A
CSCF sends the AAR message of Rx session to PCRF, and AAR message carries Framed-IP-Address Address cell and represents UE
Gx the Session ID and UE that Address and Rx session unique identification Rx Session ID, PCRF finding step 1 is safeguarded
The corresponding relationship of Address, by second Rx session association to Gx session, meanwhile, step is added in second Rx Session ID
The incidence relation table of the rapid 2 Gx Session ID established and first Rx Session ID, at this time Gx session association two
Rx session.
Wherein, such as step 1, described in 2, Gx Session ID and first Rx Session are established in step 2
The incidence relation table of ID.At this point, as described in step 3, second Rx session establishment when, can establish UE Address and second
A Rx Session ID incidence relation table is associated with the Gx Session ID of step 1 foundation by searching for UE Address, it
It is associated with afterwards with the Gx Session ID and first Rx Session ID that Gx Session ID finds step 2 foundation
It is table, second Rx Session ID is added Gx Session ID's that step 2 is established and first Rx Session ID
Incidence relation table, two Rx session of Gx session association and so on, it is multiple to may be implemented a Gx session association at this time
The Rx session management of multi-party call is realized in Rx session.
4, and so on, as shown in figure 8, when the multi-party call scene for having more than tripartite, Gx Session ID will be associated with
Multiple Rx Session ID, namely being associated with for Gx session and multiple Rx sessions is established, meet tripartite or multi-party call need
It asks.
Wherein, the multi-party call quantity theoretically supported there is no limit, practical application in computer performance with
Processing capacity, can generally arrange an acceptable upper limit prevents computer resource from exhausting.
5, Three-Way Calling terminates.Need to delete above-mentioned Gx session and Rx session association relationship, user C terminates with user A's
VoLTE call, P-CSCF send Rx interface STR message instruction PCRF and delete second Rx session, and PCRF deletes what step 3 was established
The incidence relation table of Gx Session ID and second Rx Session ID；User B terminates the P- that converses with the VoLTE of user A
CSCF sends Rx interface STR message instruction PCRF and deletes first Rx session, and PCRF deletes the Gx Session that step 2 is established
The incidence relation table of ID and first Rx Session ID, so far, the Gx session established in Three-Way Calling and Rx session association close
System all removes and completes, and Three-Way Calling terminates.
Wherein, the STR of AAR message the Rx Session ID carried and triggering Rx session deletion of Rx session establishment are triggered
The Rx Session ID of message is identical；It should be noted that AAR and second Rx session of first Rx session establishment
The Rx Session ID that the AAR of the AAR of foundation and n-th of Rx session establishment is carried is different.Therefore, PCRF is exactly basis
The Rx Session ID that some Rx interface STR message carries deletes some corresponding specific Rx session.
The application can be applied in multi-party call process (for example, Three-Way Calling), also be used as third party simultaneously as caller
The called subscriber of call is the scene that two or more Rx sessions correspond to a Gx session, and then perfect Gx session and Rx meeting
The management method of words；Current Rx session association arrives the Gx session of previous Rx session association, so that individually Gx session association is multiple
The session management to multi-party call is realized in Rx session.Present application addresses the Rx session management problems of IMS Three-Way Calling, equally
Suitable for multi-party call Rx session management more than tripartite.The application enhances the type of business of IMS system support, so that system
It can support VoLTE multi-party call application scenarios abundant.This application provides can be applied to IMS VoLTE multi-party call process
In Rx conversation managing method, solve the problems, such as the Rx session management during multi-party call, and then ensure VoLTE multi-party call energy
It is enough normally carried out, so as to improve the experience of VoLTE user's communication.
It should be understood that although each step in the flow chart of Fig. 2-8 is successively shown according to the instruction of arrow,
These steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly stating otherwise herein, these steps
Execution there is no stringent sequences to limit, these steps can execute in other order.Moreover, at least one in Fig. 2-8
Part steps may include that perhaps these sub-steps of multiple stages or stage are not necessarily in synchronization to multiple sub-steps
Completion is executed, but can be executed at different times, the execution sequence in these sub-steps or stage is also not necessarily successively
It carries out, but can be at least part of the sub-step or stage of other steps or other steps in turn or alternately
It executes.
In one embodiment, as shown in figure 9, providing a kind of session management device implemented from PCRF angle, comprising:
Receiving module 910, the AAR message of the current Rx session for receiving P-CSCF transmission；
Relating module 920, for being based on default maintenance relationship and AAR message, by current Rx session association to previous Rx
The Gx session of session association；Default maintenance relationship is the Gx session identification of Gx session and the corresponding relationship of user device address.
In a specific embodiment, further includes:
Conversation module is established, for establishing Gx session；
Relationship safeguard module for configuring Gx session identification for Gx session, and generates default maintenance relationship.
In a specific embodiment, relating module, the address cell for being carried according to AAR message search default dimension
Shield relationship obtains the corresponding Gx session identification of user device address；And for generating Gx session identification and current Rx session
The incidence relation of Rx session identification；Address cell includes the Rx session identification of user device address and current Rx session.
In a specific embodiment, relating module will be current for searching incidence relation table by Gx session identification
The Rx session identification of Rx session is added in incidence relation table；Incidence relation table includes Gx session identification and previous Rx session
The incidence relation of Rx session identification.
In a specific embodiment, receiving module, for receiving the STR message of P-CSCF transmission；
Further include: conversation module is deleted, for being based on STR message, is deleted corresponding in each Rx session of association Gx session
Rx session.
In a specific embodiment, conversation module is deleted, for deleting the Rx session identification and Gx of the carrying of STR message
The incidence relation of session identification.
In one embodiment, as shown in Figure 10, a kind of session management device implemented from P-CSCF angle is provided
Structural block diagram, comprising:
Message transmission module 110, for sending the AAR message of current Rx session to PCRF；AAR message is used to indicate PCRF
Based on default maintenance relationship and AAR message, by current Rx session association to the Gx session of previous Rx session association；Default maintenance
Relationship is the Gx session identification of Gx session and the corresponding relationship of user device address.
In a specific embodiment, message transmission module is also used to send STR message to PCRF；STR message is used for
Indicate that PCRF deletes corresponding Rx session in each Rx session of association Gx session.
Specific about session management device limits the restriction that may refer to above for conversation managing method, herein not
It repeats again.Modules in above-mentioned session management device can be realized fully or partially through software, hardware and combinations thereof.On
Stating each module can be embedded in the form of hardware or independently of in the processor in computer equipment, can also store in a software form
In memory in computer equipment, the corresponding operation of the above modules is executed in order to which processor calls.
It will be understood by those skilled in the art that structure shown in Fig. 1, Fig. 9~10, only related to application scheme
Part-structure block diagram, do not constitute the restriction for the computer equipment being applied thereon to application scheme, it is specific to count
Calculating machine equipment may include perhaps combining certain components or with different portions than more or fewer components as shown in the figure
Part arrangement.
In one embodiment, a kind of EPC system, including PCRF are provided；
PCRF is used for the step of executing the above-mentioned conversation managing method implemented from PCRF angle.
In one embodiment, a kind of IMS system, including P-CSCF are provided；
P-CSCF is used for the step of executing the above-mentioned conversation managing method implemented from P-CSCF angle.
In a specific embodiment, IMS system is the IMS system based on TD-LTE standard.
In one embodiment, a kind of conversation management system, including PCRF, P-CSCF and PGW are provided；PCRF passes through
Gx interface connects PGW, connects P-CSCF by Rx interface；
PCRF is used for the step of executing the above-mentioned conversation managing method implemented from PCRF angle；
P-CSCF is used for the step of executing the above-mentioned conversation managing method implemented from P-CSCF angle.
It should be noted that being realized well using conversation managing method provided by the present application logical to IMS system tripartite
The Rx session management of words enables IMS user successfully to initiate tripartite or multi-party VoLTE call.Above-mentioned conversation managing method
It is applied successfully in IMS system, and passes through the practical tripartite of a plurality of common mobile phone such as iPhone, Huawei, three magnitudes
Speaking test works well.Further, this method will be applied in the IMS system based on TD-LTE standard.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
The step of any of the above-described conversation managing method is realized when machine program is executed by processor.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer
In read/write memory medium, the computer program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein,
To any reference of memory, storage, database or other media used in each embodiment provided herein,
Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (15)
1. a kind of conversation managing method characterized by comprising
Receive the AAR message for the current Rx session that P-CSCF is sent；
Based on default maintenance relationship and the AAR message, by the Gx of the current Rx session association to previous Rx session association
Session；The default maintenance relationship is the Gx session identification of the Gx session and the corresponding relationship of user device address.
2. conversation managing method according to claim 1, which is characterized in that in the current Rx session for receiving P-CSCF transmission
AAR message the step of before comprising steps of
The Gx session is established, configures the Gx session identification for the Gx session, and generate the default maintenance relationship.
3. conversation managing method according to claim 1, which is characterized in that disappeared based on default maintenance relationship and the AAR
The step of Gx session of the current Rx session association to previous Rx session association includes: by breath
The default maintenance relationship is searched according to the address cell that the AAR message carries, obtains the user device address pair
The Gx session identification answered；The address cell includes the Rx session mark of the user device address and the current Rx session
Know；
Generate the incidence relation of the Rx session identification of the Gx session identification and the current Rx session.
4. conversation managing method according to claim 3, which is characterized in that generate the Gx session identification and described current
The step of incidence relation of the Rx session identification of Rx session includes:
Incidence relation table is searched by the Gx session identification, the Rx session identification of the current Rx session is added to the pass
Join in relation table；The incidence relation table includes the pass of the Rx session identification of the Gx session identification and the previous Rx session
Connection relationship.
5. conversation managing method according to any one of claims 1 to 4, which is characterized in that further comprise the steps of:
Receive the STR message that P-CSCF is sent；
Based on the STR message, corresponding Rx session in each Rx session for being associated with the Gx session is deleted.
6. conversation managing method according to claim 5, which is characterized in that be based on the STR message, delete described in association
The step of corresponding Rx session, includes: in each Rx session of Gx session
Delete the incidence relation of Rx session identification and the Gx session identification that the STR message carries.
7. a kind of conversation managing method characterized by comprising
The AAR message of current Rx session is sent to PCRF；
The AAR message is used to indicate the PCRF and is based on default maintenance relationship and the AAR message, by the current Rx session
It is associated with the Gx session of previous Rx session association；The default maintenance relationship is Gx session identification and the user of the Gx session
The corresponding relationship of device address.
8. conversation managing method according to claim 7, which is characterized in that further comprise the steps of:
STR message is sent to the PCRF；
The STR message is used to indicate the PCRF and deletes corresponding Rx session in each Rx session for being associated with the Gx session.
9. a kind of session management device characterized by comprising
Receiving module, the AAR message of the current Rx session for receiving P-CSCF transmission；
Relating module, for being based on default maintenance relationship and the AAR message, by the current Rx session association to previous Rx
The Gx session of session association；The default maintenance relationship is that the Gx session identification of the Gx session is corresponding with user device address
Relationship.
10. a kind of session management device characterized by comprising
Message transmission module, for sending the AAR message of current Rx session to PCRF；The AAR message is used to indicate described
PCRF is based on default maintenance relationship and the AAR message, by the Gx of the current Rx session association to previous Rx session association
Session；The default maintenance relationship is the Gx session identification of the Gx session and the corresponding relationship of user device address.
11. a kind of EPC system, which is characterized in that including PCRF；
The step of PCRF requires any one of 1 to 6 the method for perform claim.
12. a kind of IMS system, which is characterized in that including P-CSCF；
The step of P-CSCF requires any one of 7 to 8 the method for perform claim.
13. IMS system according to claim 12, which is characterized in that the IMS system is based on TD-LTE standard
IMS system.
14. a kind of conversation management system, which is characterized in that including PCRF, P-CSCF and PGW；The PCRF passes through Gx interface
The PGW is connected, the P-CSCF is connected by Rx interface；
The step of PCRF requires any one of 1 to 6 the method for perform claim；
The step of P-CSCF requires any one of 7 to 8 the method for perform claim.
15. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of method described in any item of the claim 1 to 8 is realized when being executed by processor.
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