CN106488475B - A kind of method and device realizing terminal called service and restoring - Google Patents
A kind of method and device realizing terminal called service and restoring Download PDFInfo
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- CN106488475B CN106488475B CN201510540895.2A CN201510540895A CN106488475B CN 106488475 B CN106488475 B CN 106488475B CN 201510540895 A CN201510540895 A CN 201510540895A CN 106488475 B CN106488475 B CN 106488475B
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- sbc
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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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]
Abstract
The invention discloses a kind of method and devices realizing terminal called service and restoring, it is no longer necessary to re-register alternative P-CSCF by PCRF come triggering terminal, reduce deployment difficulty, save resource.This method comprises: alternative P-CSCF/SBC receives the request message that S-CSCF is sent；Request message is that S-CSCF is generated when the P-CSCF/SBC that the corresponding user terminal of called request received is registered breaks down；Alternative P-CSCF/SBC determines the home gateway of user terminal according to the mapping relations of pre-established gateway and each user terminal for belonging to the gateway；Alternative P-CSCF/SBC sends triggering message by the TWAMP chain road direction home gateway between home gateway, and triggering message is for triggering the called service that user terminal re-register carries user terminal to alternative P-CSCF/SBC.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of method and devices realizing terminal called service and restoring.
Background technique
Call session control function (English: Call Session Control Function, referred to as: CSCF) it is IP more
Functional entity in media subsystem (English: IP Multimedia Subsystem, abbreviation IMS), is mainly responsible for the more matchmakers of processing
Signaling control during body call session.CSCF can be divided into proxy CSCF (English: Proxy CSCF, abbreviation: P-CSCF),
Inquire CSCF (English: Interrogating CSCF, abbreviation: I-CSCF), serving CSCF (English: Serving CSCF, letter
Claim: S-CSCF).
During Service control, if P-CSCF breaks down, if the user terminal conduct registered by the P-CSCF
Called, S-CSCF is when being managed the called service, it was found that the P-SCCF failure then can not just be contacted by P-CSCF
To user terminal, lead to service fail.
In the prior art, active and standby by two P-CSCF compositions, when a P-CSCF failure, business can be by alternative P-
CSCF adapter tube.S-CSCF/ Interconnected Border control function (the Interconnection Border Control being connected with P-CSCF
Function, referred to as: IBCF) session initiation protocol (English: Session Initiation Protocol, letter can be passed through
Claiming: SIP) request message detection perceives P-CSCF failure, alternative P-CSCF is then selected according to disaster tolerance priority.But it is alternative
P-CSCF needs the Policy and Charging Rules Function (English: Policy and Charging by managing the terminal
Rules Function, referred to as: PCRF), it is standby that terminal described in the Centralized path notification of gateway being connected with the terminal re-registers this
P-CSCF is selected, in order to which the called request is handed down to the alternative P-CSCF by S-CSCF, which is carried by the alternative P-CSCF
The called service at end.
Therefore, higher to the dependence of PCRF under P-CSCF disaster tolerance scene.And when terminal roams, need to relate to
And to the PCRF of the ownership place and PCRF of visited place, networking is more complicated, increases deployment difficulty.
Summary of the invention
The embodiment of the present invention provides a kind of method and device realizing terminal called service and restoring, it is no longer necessary to pass through PCRF
Alternative P-CSCF is re-registered to trigger the terminal, deployment difficulty is reduced, saves resource.
In a first aspect, the embodiment of the invention provides a kind of methods realizing terminal called service and restoring, comprising:
Alternative proxy call conversation control function entity P-CSCF/ Session Border Controller SBC receives service call session
The request message that control function entity S-CSCF is sent；The request message is the S-CSCF in the called request pair received
What the P-CSCF/SBC that the user terminal answered is registered was generated when breaking down；The request message is used to indicate the triggering use
Family terminal reregisters with the alternative P-CSCF/SBC；
The alternative P-CSCF/SBC is according to the mapping of pre-established gateway and each user terminal for belonging to the gateway
Relationship determines the home gateway of the user terminal；
The alternative P-CSCF/SBC passes through the two-way active measurement agreement TWAMP chain road direction between the home gateway
The home gateway sends triggering message, and the triggering message is for triggering the user terminal re-register to the alternative P-
CSCF/SBC is to carry the called service of the user terminal.
With reference to first aspect, in the first possible implementation of the first aspect, further includes:
After the user terminal re-register to the alternative P-CSCF/SBC, the alternative P-CSCF/SBC will be described standby
The mark of P-CSCF/SBC and the user name of the user terminal of the registration alternative P-CSCF/SBC is selected to be sent to the ownership
Gateway.
The possible implementation of with reference to first aspect the first, in second of possible implementation of first aspect
In, the entitled international mobile subscriber identity IMSI of the user or Subscriber Number.
With reference to first aspect with the first any one into second of possible implementation of first aspect,
In the third possible implementation of one side, the mapping relations are established, comprising:
During establishing TWAMP link with gateway, the mark of the gateway is obtained；
Receive the user identifier for the user terminal for belonging to the gateway that the gateway is sent；
Establish the mapping relations of the mark and the user identifier for the user terminal for belonging to the gateway of the gateway.
The third possible implementation with reference to first aspect, in the 4th kind of possible implementation of first aspect
In, the user identifier of the user terminal are as follows: the gateway is the Yin Te for belonging to each user terminal distribution of the gateway
FidonetFido IP address.
With reference to first aspect with the first any one into the 4th kind of possible implementation of first aspect,
In 5th kind of possible implementation of one side, the equipment number ID or IP that are identified as the gateway of the gateway
Location.
With reference to first aspect with the first any one into the 5th kind of possible implementation of first aspect,
In 6th kind of possible implementation of one side, further includes:
The alternative P-CSCF/SBC is according to the mapping of pre-established gateway and each user terminal for belonging to the gateway
When relationship not can determine that the home gateway of the user terminal, the alternative P-CSCF/SBC is unsuccessfully rung to S-CSCF transmission
Message is answered, the failure response message is used to indicate the triggering user terminal and reregisters with the alternative P-CSCF/SBC mistake
It loses.
Second aspect, the embodiment of the invention provides a kind of methods realizing terminal called service and restoring, comprising:
When the proxy call conversation control function entity P-CSCF/SBC that user terminal is registered breaks down, the use
The home gateway of family terminal is received described standby by the two-way active measurement agreement TWAMP link between alternative P-CSCF/SBC
The triggering message for selecting P-CSCF/SBC to send, the triggering message is for triggering the user terminal re-register to the alternative P-
CSCF/SBC is to carry the called service of the user terminal；
The home gateway is according to the pre-established user terminal and the alternative P- for registering the alternative P-CSCF/SBC
The mapping relations of CSCF/SBC inquire the P-CSCF/SBC that the user terminal is registered and the alternative P-CSCF/SBC as not
Same P-CSCF/SBC；
The home gateway notifies the user terminal re-register to the alternative P-CSCF/SBC.
In conjunction with second aspect, in the first possible implementation of the second aspect, further includes:
After the user terminal re-register to the alternative P-CSCF/SBC, the home gateway receives described alternative
The mark for the alternative P-CSCF/SBC that P-CSCF/SBC is sent and the user identifier of the user terminal；
The home gateway is according to the mark of the alternative P-CSCF/SBC and the user identifier of the user terminal, note
Record the mapping relations of the alternative P-CSCF/SBC and the user terminal.
The third aspect, the embodiment of the invention provides it is a kind of realize terminal called service restore device, described device by
Alternative proxy call conversation control function entity P-CSCF/ Session Border Controller SBC is realized, comprising:
Receiving unit, for receiving the request message of service call session control function entity S-CSCF transmission；It is described to ask
Seeking message is the P-CSCF/SBC generation event that the receiving unit is registered in the corresponding user terminal of called request received
It is generated when barrier；The request message is used to indicate the triggering user terminal and reregisters with described device；
Processing unit, for when the receiving unit receives the request message, according to pre-established gateway with return
The mapping relations for belonging to each user terminal of the gateway determine the home gateway of the user terminal；
Transmission unit, for by described in the two-way active measurement agreement TWAMP chain road direction between the home gateway
The home gateway that processing unit determines sends triggering message, and the triggering message is for triggering the user terminal re-register
The called service of the user terminal is carried to described device.
In conjunction with the third aspect, in the first possible implementation of the third aspect, the transmission unit is also used to:
After the user terminal re-register to described device, by the mark of described device and the use of registration described device
The user name of family terminal is sent to the home gateway that the processing unit determines.
In conjunction with the first possible implementation of the third aspect, in second of possible implementation of the third aspect
In, the entitled international mobile subscriber identity IMSI of the user or Subscriber Number.
In conjunction with any one of the first of the third aspect and the third aspect into second of possible implementation,
In the third possible implementation of three aspects, further includes:
Acquiring unit, for obtaining the mark of the gateway during establishing TWAMP link with gateway；
The receiving unit is also used to receive the user's mark for the user terminal for belonging to the gateway that the gateway is sent
Know；
The processing unit is also used to establish mark and the user for the user terminal for belonging to the gateway of the gateway
The mapping relations of mark.
In conjunction with the third possible implementation of the third aspect, in the 4th kind of possible implementation of the third aspect
In, the user identifier of the user terminal are as follows: the gateway is the Yin Te for belonging to each user terminal distribution of the gateway
FidonetFido IP address.
In conjunction with any one of the first of the third aspect and the third aspect into the 4th kind of possible implementation,
In 5th kind of possible implementation of three aspects, the equipment number ID or IP that are identified as the gateway of the gateway
Location.
In conjunction with any one of the first of the third aspect and the third aspect into the 5th kind of possible implementation,
In 6th kind of possible implementation of three aspects, according to pre-established gateway and the gateway is belonged in the processing unit
The mapping relations of each user terminal when not can determine that the home gateway of the user terminal, the transmission unit be also used to
The S-CSCF sends failure response message, and the failure response message is used to indicate the triggering user terminal and reregisters with
Described device failure.
Fourth aspect, the embodiment of the invention provides it is a kind of realize terminal called service restore device, described device by
The home gateway of user terminal is realized, comprising:
Receiving unit, the proxy call conversation control function entity P-CSCF/SBC for being registered in user terminal occur
When failure, the alternative P-CSCF/ is received by the two-way active measurement agreement TWAMP link between alternative P-CSCF/SBC
The triggering message that SBC is sent, the triggering message is for triggering the user terminal re-register to the alternative P-CSCF/SBC
To carry the called service of the user terminal；
Query unit, for the user terminal and the alternative P- according to the pre-established registration alternative P-CSCF/SBC
The mapping relations of CSCF/SBC inquire the P-CSCF/SBC that the user terminal is registered and the alternative P-CSCF/SBC as not
Same P-CSCF/SBC；
Notification unit, for notifying the user terminal re-register to the alternative P-CSCF/SBC.
In conjunction with fourth aspect, in the first possible implementation of the fourth aspect, the receiving unit is also used to
After the user terminal re-register to the alternative P-CSCF/SBC, the described alternative of the alternative P-CSCF/SBC transmission is received
The user identifier of the mark of P-CSCF/SBC and the user terminal；
Described device further include:
Recording unit, the mark of the alternative P-CSCF/SBC for being received according to the receiving unit and described
The user identifier of user terminal records the mapping relations of the alternative P-CSCF/SBC and the user terminal.
Using scheme provided in an embodiment of the present invention, alternative P-CSCF/SBC receives the notification message that S-CSCF is sent；Institute
Stating notification message is that the S-CSCF occurs in the P-CSCF/SBC that the corresponding user terminal of called request received is registered
It is generated when failure；The notification message is used to indicate the triggering user terminal and reregisters with the alternative P-CSCF/
SBC；Then the alternative P-CSCF/SBC is according to the mapping of pre-established gateway and each user terminal for belonging to the gateway
Relationship determines the home gateway of the user terminal；The alternative P-CSCF/SBC passes through two-way between the home gateway
Home gateway described in active measurement agreement TWAMP chain road direction sends triggering message, and the triggering message is for triggering the user
Terminal re-register carries the called service of the user terminal to the alternative P-CSCF/SBC.To no longer need by
PCRF is triggered to gateway to notify user terminal re-register P-CSCF/SBC, reduces deployment difficulty, avoids between PCRF
Signalling exchange, reduce signaling overheads.
Detailed description of the invention
Fig. 1 is a kind of TWAMP configuration diagram provided in an embodiment of the present invention；
Fig. 2 is another kind TWAMP configuration diagram provided in an embodiment of the present invention；
Fig. 3 establishes TWAMP link process schematic to be provided in an embodiment of the present invention；
Fig. 4 A~Fig. 4 B is the system structure diagram that realization terminal called service provided in an embodiment of the present invention restores；
Fig. 5 is the flow chart of the method for realizing terminal called service recovery of the invention provided in an embodiment of the present invention；
Fig. 6 establishes the flow chart of mapping relations between alternative P-CSCF/SBC provided in an embodiment of the present invention and gateway；
Fig. 7 is S-CSCF/IBCF provided in an embodiment of the present invention P-CSCF disaster recovery backup relationship signal corresponding with gateway
Figure；
Fig. 8 is another method flow diagram realizing terminal called service and restoring provided in an embodiment of the present invention；
Fig. 9 controls session establishment process schematic between P-CSCF provided in an embodiment of the present invention and PGW；
Figure 10 is P-CSCF provided in an embodiment of the present invention and mapping relations are established in the interaction of PGW both sides' progress IP information
Schematic diagram；
The establishment process of mapping relations of the Figure 11 between P-CSCF provided in an embodiment of the present invention and the mark of UE is illustrated
Figure；
Figure 12 is the flow diagram that terminal called service provided in an embodiment of the present invention restores；
Figure 13 is a kind of schematic device realizing terminal called service and restoring provided in an embodiment of the present invention；
Figure 14 is another schematic device realizing terminal called service and restoring provided in an embodiment of the present invention；
Figure 15 is the schematic device that another realization terminal called service provided in an embodiment of the present invention restores；
Figure 16 is the schematic device that another realization terminal called service provided in an embodiment of the present invention restores.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of method and device realizing terminal called service and restoring, thus in P-CSCF failure
When, it does not need to notify to reduce deployment difficulty to terminal, avoid between PCRF by the address of alternative P-CSCF by PRCF
Signalling exchange, reduce signaling overheads.Wherein, method and apparatus are based on the same inventive concept, due to method and device
The principle solved the problems, such as is similar, therefore the implementation of apparatus and method can be with cross-reference, and overlaps will not be repeated.
Some terms provided herein are explained first, to facilitate those skilled in the art understand that:
1), user terminal
It is involved in the present invention to user terminal may include the handheld device with wireless communication function, mobile unit,
Wearable device and various forms of user equipmenies etc..User terminal in the embodiment of the present invention and user equipment (English:
User Equipment, referred to as: UE) equivalent, it is general mutually.
2), two-way active measurement agreement (English: Two Way active Measurement Protocol, referred to as:
TWAMP)
TWAMP agreement is based on measurement method end to end, i.e. measurement entity is all host, and the network equipment is not involved in measurement.
TWAMP includes two mutually independent agreements:
TWAMP controls (TWAMP-Control): for establishing measurement session, the parameter of consulting session is (as wrapped long, starting
Time, intermission, the distribution parameter given out a contract for a project etc.), start, terminate measurement session, and obtains measurement result and (assisted using TCP
View).
TWAMP measurement (TWAMP-Test): the format etc. of measured message is defined, for measuring between measuring node
The interaction (using udp protocol) of message.
TWAMP agreement includes four functional entitys, as shown in Figure 1, being used to co-ordination, is responsible for starting statistics session and spy
Frame transmitting-receiving:
Session sender (Session-Sender): the measuring node of measured message is sent in TWAMP-Test session.
Session recipient (Session-Reflector): the measuring node of measured message is received in TWAMP-Test session.
Server (Server): one or more TWAMP-Test session is managed, can be in each measuring node
Each TWAMP-Test session is configured, and the measurement result of each TWAMP-Test session can be returned.
Control host (Control-Client): for initiating to establish the request of TWAMP-Test session, and meeting is controlled
The beginning and termination of words.
For the ease of realizing, flexibly aforementioned four functional entity can be merged, as shown in Fig. 2, to Control-
The function of Client and Session-Reflectorr realized by an entity, the function of Server and Session-Sender
It can be realized by an entity.
As shown in figure 3, for Control-Client and Session-Reflector and Server and Session-Sender
Between establish the process of TWAMP link, i.e., the process of control interactive function is established based on Transmission Control Protocol.
Step 301, between Server and Session-Sender and Control-Client and Session-Reflector
Open TCP connection.Specifically, opening TCP connection (Open TCP Connection on port 862) by port 862.
Step 302, Server and Session-Sender is initiated to Control-Client and Session-Reflector
Conversational services (Server Greeting) request message.
Step 303, Control-Client and Session-Reflector is sent to Server and Session-Sender
Session establishment response message (Set-Up Response).
Step 304, Server and Session-Sender is sent to Control-Client and Session-Reflector
Message (Server Start) is opened in service.To Control-Client and Session-Reflector and Server and
Control interactive function is established between Session-Sender.
3), symbol "/" herein typicallys represent the relationship that forward-backward correlation object is a kind of "or".
A~Fig. 4 B referring to fig. 4 is the structural representation of the system for realizing terminal called service recovery of the embodiment of the present invention
Figure.Fig. 4 A~Fig. 4 B is only a kind of example, does not constitute specific limit to the quantity of equipment, structure etc..
When Fig. 4 A show user terminal and do not roam, the structural representation for the system that terminal called service restores is realized
Figure.When Fig. 4 B show user terminal and roams, the structural schematic diagram for the system that terminal called service restores is realized.Fig. 4 A institute
Show, the system of the embodiment of the present invention can specifically include: S-CSCF401, at least two P-CSCF and user terminal
402, wherein include the first P- that the 2nd P-CSCF404 and user terminal are currently registered at least two P-CSCF
Gateway 405 belonging to CSCF403 and user terminal.Wherein, the 2nd P-CSCF404 alternately P-CSCF；P-CSCF and meeting
Talking about boarder controller (English: Session Border Controller, abbreviation: SBC) can be same physical NE, therefore
P-CSCF is also possible to SBC in the embodiment of the present invention.
For the scene that user terminal does not roam, when P-CSCF breaks down, S-CSCF passes through sip request message
It perceives.For example, as shown in Figure 4 A, that user terminal 402 is currently registered is the first P-CSCF403.As the first P-CSCF403
When breaking down, S-CSCF401 can be detected and be perceived.When S-CSCF401 detects that the first P-CSCF403 breaks down,
The 2nd P-CSCF404 is selected according to disaster tolerance priority, after S-CSCF401 selects the 2nd P-CSCF404, by request (Invite)
Message is sent to the 2nd P-CSCF404.
As shown in Figure 4 B, when user terminal roams, system described in the embodiment of the present invention further includes ownership place
IBCF406 and visited place IBCF407.Ownership place IBCF is located locally public land mobile network (English: Home Public
Land Mobile Network, abbreviation HPLMN) in.Visited place IBCF be located at visited Public Land mobile network (English:
Visited Public Land Mobile Network, abbreviation VPLMN) in.Ownership place IBCF406 and visited place IBCF407
Between may pass through internet data packet network (English: IP Packet Exchange, referred to as: IPX) network.S-
Pass through ownership place IBCF406 and visited place between CSCF401 and the first P-CSCF403 and the 2nd P-CSCF404 of visited place
IBCF407 carries out intercommunication control.
Wherein, gateway 405 can be public data network gateway (English: Public Data Network Gateway, letter
Claim: PGW) or can be Service Gateway (English: Serving Gateway, abbreviation: SGW).
After visited place IBCF407 perceives the first P-CSCF403 failure by sip request message detection, visited place
IBCF407 selects the 2nd P-CSCF404 to carry out signalling route, and visited place IBCF407 receives ownership place IBCF406 transmission
The Invite message is sent to the 2nd P-CSCF404 by Invite message.
Fig. 5 is referred to, is the flow chart for the method that realization terminal called service provided in an embodiment of the present invention restores.Specifically
, the embodiment of the present invention the described method includes:
Step 501, alternative P-CSCF/SBC receives the notification message that S-CSCF is sent；The notification message is the S-
What CSCF was generated when the P-CSCF/SBC that the corresponding user terminal of called request received is registered breaks down；It is described logical
Know that message is used to indicate the triggering user terminal and reregisters with the alternative P-CSCF/SBC.
Wherein, the user name of user terminal is carried in notification message.Wherein the user name of user terminal is for identifying institute
User terminal is stated, can be international mobile subscriber identity (English: International Mobile Subscriber
Identification Number, referred to as: IMSI) or Subscriber Number.It can also be IP address, the user of the user terminal
Service authority and other users configuration information etc..Subscriber Number can be mobile station ISDN number (English: Mobile
Subscriber International ISDN number, referred to as: MSISDN).Wherein, ISDN is Integrated Digital Services
Net is the abbreviation of Integrated Service Digital Network.
Optionally, notification message can be INVITE (request).The notification message carries disaster tolerance information header field
(Restoration-Info header field).Alternative P-CSCF/SBC is from Restoration-Info header field
In get the IMSI of user terminal.And with getting the IP of the user terminal by path (route) header field in INVITE
Location.For alternative P-CSCF/SBC according to the IP address of user terminal, determination is not the registration user of alternative P-CSCF/SBC, then to
S-CSCF returns to failure response, such as 404.It is alternative P-CSCF/SBC that the failure response, which is used to indicate the user terminal not,
Register user.
Step 502, the alternative P-CSCF/SBC is according to pre-established gateway and each user end for belonging to the gateway
The mapping relations at end determine the home gateway of the user terminal.
Step 503, the alternative P-CSCF/SBC described in the TWAMP chain road direction between the home gateway by belonging to
Gateway send triggering message, the triggering message be used for trigger the user terminal re-register to the alternative P-CSCF/SBC with
Carry the called service of the user terminal.
Optionally, referring to Fig. 6, the mode provided in an embodiment of the present invention for establishing the mapping relations.In gateway and P-
CSCF/SBC, which is established, mapping relations.It is with the process for establishing mapping relations between alternative P-CSCF/SBC and gateway below
Example.Specifically, which includes:
Step 601, during establishing TWAMP link with gateway, alternative P-CSCF/SBC obtains the mark of the gateway.
Wherein, alternative P-CSCF/SBC has the function of that Session-Reflector, gateway have Session-Sender
Function.
Specifically, alternative P-CSCF/SBC can obtain the mark of gateway in the Set-Up Response that gateway is sent.
The mark of the gateway can be the number ID or IP address of the gateway.Such as the ID:HWID of gateway.
Optionally, alternative P-CSCF/SBC carried in the Server Start of transmission the mark of alternative P-CSCF/SBC with
And the control plane IP of itself configuration is sent to gateway.It is controlled to which gateway can be sent by control plane IP to alternative P-CSCF/SBC
Message processed.Therefore, during establishing TWAMP link, alternative P-CSCF/SBC and gateway both sides obtain the mark of opposite equip.
Know.
Step 602, alternative P-CSCF/SBC receives the use for the user terminal for belonging to the gateway that the gateway is sent
Family mark.
Optionally, IP information (IP Info) message sink that alternative P-CSCF/SBC is sent by the gateway belongs to
The user identifier of the user terminal of the gateway.The user identifier of the user terminal can be with are as follows: the gateway is belongs to
State the IP address of each user terminal distribution of gateway.
Optionally, alternative P-CSCF/SBC can be by IP info message by the access side user face IP itself configured
Location is sent to gateway, so that gateway can be carried out by the user face IP address of alternative P-CSCF/SBC and alternative P-CSCF/SBC
Operational data communication.
Step 603, alternative P-CSCF/SBC establishes the mark of the gateway and the user terminal for belonging to the gateway
The mapping relations of user identifier.
Specifically, the mark of the gateway can be the ID of gateway, user identifier can be IP address, thus alternatively
P-CSCF/SBC has recorded the mapping relations of the ID of gateway and the IP address of user terminal.
Optionally, after the user terminal re-register to the alternative P-CSCF/SBC, the alternative P-CSCF/SBC
The user name of the mark of the alternative P-CSCF/SBC and the user terminal of the registration alternative P-CSCF/SBC is sent to
The home gateway.Register the P-CSCF/SBC's for identifying with being registered of user terminal to which home gateway record is current
The mapping relations of mark.
Specifically, the alternative P-CSCF/SBC can construct IMS registration information (IMS register Info) message,
The IMS register Info carries the mark of ID, UE of alternative P-CSCF/SBC.The mark of UE can be the IMSI/ of UE
MSISDN.The IP address of UE can also be carried in the IMS register Info.
If when corresponding with the gateway P-CSCF disaster recovery backup relationship difference of S-CSCF/IBCF, S-CSCF selects alternative P-
CSCF, the alternative P-CSCF possibly can not find the gateway that active user's terminal is belonged to.Than as shown in fig. 7, not having on P-CSCF2
There are the mapping relations of PGW1 and IP address.The i.e. described alternative P-CSCF/SBC is according to pre-established gateway and belongs to the net
The mapping relations of each user terminal closed not can determine that the home gateway of the user terminal, the alternative P-CSCF/SBC to
The S-CSCF sends failure response message, and the failure response message is used to indicate the triggering user terminal and reregisters with
The alternative P-CSCF/SBC failure.To no longer trigger disaster tolerance process, i.e., the user terminal re-register will not be triggered to institute
Alternative P-CSCF/SBC is stated to carry the called service of the user terminal.Therefore, in network P-CSCF disaster recovery backup relationship
Need unified planning.
Using scheme provided in an embodiment of the present invention, alternative P-CSCF/SBC receives the notification message that S-CSCF is sent；Institute
Stating notification message is that the S-CSCF occurs in the P-CSCF/SBC that the corresponding user terminal of called request received is registered
It is generated when failure；The notification message is used to indicate the triggering user terminal and reregisters with the alternative P-CSCF/
SBC；Then the alternative P-CSCF/SBC is according to the mapping of pre-established gateway and each user terminal for belonging to the gateway
Relationship determines the home gateway of the user terminal；The alternative P-CSCF/SBC passes through two-way between the home gateway
Home gateway described in active measurement agreement TWAMP chain road direction sends triggering message, and the triggering message is for triggering the user
Terminal re-register carries the called service of the user terminal to the alternative P-CSCF/SBC.To no longer need by
PCRF is triggered to gateway to notify user terminal re-register P-CSCF/SBC, reduces deployment difficulty, avoids between PCRF
Signalling exchange, reduce signaling overheads.
The embodiment of the invention also provides a kind of methods realizing terminal called service and restoring, as shown in figure 8, this method packet
It includes:
Step 801, when the P-CSCF/SBC that user terminal is registered breaks down, the home gateway of the user terminal
The triggering message that the alternative P-CSCF/SBC is sent is received by the TWAMP link between alternative P-CSCF/SBC, it is described
Triggering message is for triggering the quilt that the user terminal re-register carries the user terminal to the alternative P-CSCF/SBC
It is business.
Step 802, user terminal and institute of the home gateway according to the pre-established registration alternative P-CSCF/SBC
The mapping relations for stating alternative P-CSCF/SBC inquire P-CSCF/SBC and the alternative P- that the user terminal is registered
CSCF/SBC is different P-CSCF/SBC.
Step 803, the home gateway notifies the user terminal re-register to the alternative P-CSCF/SBC.
Optionally, after the user terminal re-register to the alternative P-CSCF/SBC, the home gateway is received
The mark for the alternative P-CSCF/SBC that the alternative P-CSCF/SBC is sent and the user identifier of the user terminal；
The home gateway is according to the mark of the alternative P-CSCF/SBC and the user identifier of the user terminal, note
Record the mapping relations of the alternative P-CSCF/SBC and the user terminal.
Specifically, the alternative P-CSCF/SBC can construct IMS registration information (IMS register Info) message,
The IMS register Info carries the mark of ID, UE of alternative P-CSCF/SBC.The mark of UE can be the IMSI/ of UE
MSISDN.The IP address of UE can also be carried in the IMS register Info.To which the alternative P-CSCF/SBC will be constructed
IMS register Info be sent to the home gateway of user terminal.To which home gateway establishes the P- of user terminal registration
The mapping relations of CSCF/SBC and the user terminal.
Utilize scheme provided in an embodiment of the present invention, when the P-CSCF/SBC that user terminal is registered breaks down, institute
The home gateway for stating user terminal receives the alternative P-CSCF/SBC by the TWAMP link between alternative P-CSCF/SBC
The triggering message of transmission, the triggering message is for triggering the user terminal re-register to the alternative P-CSCF/SBC to hold
Carry the called service of the user terminal.The home gateway is according to the pre-established user for registering the alternative P-CSCF/SBC
The mapping relations of terminal and the alternative P-CSCF/SBC, inquire P-CSCF/SBC that the user terminal is registered with it is described standby
Selecting P-CSCF/SBC is different P-CSCF/SBC.The home gateway notifies the user terminal re-register to the alternative P-
CSCF/SBC.To need to be triggered to gateway by PCRF no longer to notify user terminal re-register P-CSCF/SBC, reduce
Difficulty is disposed, the Signalling exchange between PCRF is avoided, reduces signaling overheads.
The embodiment of the present invention is illustrated below with reference to specific example.Roaming does not occur and with UE with P-CSCF, net
Pass is illustrated by taking PGW as an example.
First control session establishment process between P-CSCF and PGW is illustrated first, this refers to the P- in framework
Control session is established between CSCF and PGW, as shown in Figure 9.
Step 901, P-CSCF and PGW carries out Open TCP connection on port862.
Step 902, P-CSCF sends Server Greeting message to PGW.
Step 903, PGW sends Set-Up Response message to P-CSCF.And the Set-UP Response is carried
The ID of PGW.For example, ID are as follows: HWID.
Step 904, P-CSCF sends Server Start message to PGW.The ID of Server Start carrying P-CSCF.
By aforementioned four step, the control session establishment between P-CSCF and PGW is successful, and P-CSCF and PGW phase
Mutually save the ID of other side.It and is the relationship of multi-to-multi.
After establishing above-mentioned control session, P-CSCF and PGW both sides carry out the interaction of IP information to establish mapping relations, such as
Shown in Figure 10.
Step 1001, PGW sends IP Info message to P-CSCF.It carries in the IP Info message to belong to PGW's
The UE IP address pond information of UE distribution.
Step 1002, P-CSCF can recorde the mapping relations of ID and the UE IP address of lower current PGW.
Step 1003, the access side user face IP address information oneself configured is passed through IP Info message transmission by P-CSCF
To PGW.
Step 1004, PGW records the ID of P-CSCF and the mapping relations of user face IP address.
The illustratively foundation of the mapping relations between P-CSCF and the mark of UE again below, as shown in figure 11.UE mark
For the IMSI/MSISDN of UE.
Step 1101, UE is accomplished to the registration of P-CSCF by S-CSCF.
Step 1102, P-CSCF sends IMS register info message, the IMS register info message to PGW
Carry the IP address of ID, UE of P-CSCF and the IMSI/MSISDN of UE.
Step 1103, the mapping relations of the ID for the P-CSCF that the IMSI/MSISDN and UE that PGW establishes UE are registered.
The P-CSCF that user terminal is registered breaks down, and the process restored below to terminal called service is illustrated,
As shown in figure 12.
Step 1201, alternative P-CSCF receives the SIP INVITE message of S-CSCF transmission.The SIP INVITE message is taken
With Restoration-info header field, which includes user's
The IP address of IMSI/MSISDN and user.
Step 1202, the registration information without the user on alternative P-CSCF.Specifically, alternative P-CSCF is according to User IP
It is the registration user of alternative P-CSCF that location, which determines the user not,.
Step 1203, alternative P-CSCF sends failure response message, such as 404NOT found to S-CSCF.
Step 1204, alternative P-CSCF determines PGW that the user is belonged to according to the IP address mapping relations of preservation
ID.
Step 1205, alternative P-CSCF constructs IMS register Info message, and is sent to the PGW of the user attaching.
The IMSI/MSISDN that ID, UE of alternative P-CSCF are carried in IMS register Info message, further includes the IP address of UE.It should
The PGW that user is belonged to gets the IP address of the IMSI/MSISDN and UE of ID, UE of alternative P-CSCF.
Step 1206, the PGW which is belonged to inquires UE according to the IMSI/MSISDN of UE and currently registers P-CSCF.Really
Surely the P-CSCF inquired is different from the ID of the P-CSCF got.
Step 1207, the PGW notice UE which is belonged to carries out IMS re-register process.So that UE updates P-CSCF's
IP address is the IP address of alternative P-CSCF.
Step 1208, after the success of UE re-register, S-CSCF obtains the IP address of new P-CSCF, then connects UE according to configuration
Calling.
Referring to Figure 13, it is apparatus structure schematic diagram that realization terminal called service provided in an embodiment of the present invention restores,
The device is realized by alternative P-CSCF/SBC.The device includes communication interface 1301, processor 1302, memory 1303.It is logical
Believe that interface 1301, processor 1302 and memory 1303 are connected with each other.It is not limited between above-mentioned component in the embodiment of the present invention
Specific connection medium.The embodiment of the present invention in Figure 13 with memory 1303, processor 1302 and communication interface 1301 it
Between connected by bus 1304, bus is indicated in Figure 13 with thick line, and the connection type between other components is only to be illustrated
Property explanation, do not regard it as and be limited.The bus can be divided into address bus, data/address bus, control bus etc..For convenient for indicate,
It is only indicated with a thick line in Figure 13, it is not intended that an only bus or a type of bus.
Communication interface 1301 in the embodiment of the present invention is for receiving and sending messages.
Memory 1303 in the embodiment of the present invention can be volatile for the program code that storage processor 1302 executes
Property memory (English: volatile memory), such as random access memory (English: random-access memory,
Abbreviation: RAM)；Memory 1303 is also possible to nonvolatile memory (English: non-volatile memory), such as read-only
Memory (English: read-only memory, abbreviation: ROM), flash memory (English: flash memory), hard disk (English
Text: hard disk drive, abbreviation: HDD) or solid state hard disk (English: solid-state drive, abbreviation: SSD) or
Memory 1303 can be used for carrying or store the desired program code with instruction or data structure form and can be by
Any other medium of computer access, but not limited to this.Memory 1303 can be the combination of above-mentioned memory.
Processor 1302 in the embodiment of the present invention can be a central processing unit (English: central
Processing unit, abbreviation CPU).Processor 1302 is for executing the program code stored in memory, for executing Fig. 5
The method that realization terminal called service restores described in corresponding embodiment is as follows:
Receive the request message that S-CSCF is sent；The request message is that the communication interface 1301 is called what is received
What the P-CSCF/SBC for requesting corresponding user terminal to be registered was generated when breaking down；The request message is used to indicate triggering
The user terminal reregisters with described device.
In memory 1303, also it is stored with pre-established gateway and ownership and the mapping of each user terminal of the gateway and closes
System.
Processor 1302 determines the home gateway of the user terminal according to the mapping relations that memory 1303 stores.
Then it is sent out by home gateway described in the two-way active measurement agreement TWAMP chain road direction between the home gateway
Triggering message is sent, the triggering message is for triggering the user terminal re-register to described device to carry the user terminal
Called service.
After the user terminal re-register to described device, by the mark of described device and the use of registration described device
The user name of family terminal is sent to the home gateway.
Wherein, the user name can be international mobile subscriber identity IMSI or Subscriber Number.
The process for establishing link relationship is illustrated below.
Processor 1302 obtains the mark of the gateway during establishing TWAMP link with gateway, and receives the net
Close the user identifier of the user terminal for belonging to the gateway sent.Then processor 1302 establish the mark of the gateway with
It belongs to the mapping relations of the user identifier of the user terminal of the gateway, and the mapping relations of foundation is stored in described
In memory 1303.
Wherein, the user identifier of the user terminal are as follows: the gateway is each user terminal for belonging to the gateway
The Internet protocol IP address of distribution.The equipment number ID for being identified as the gateway or IP address of the gateway.
It is closed in the processor 1302 according to the mapping of pre-established gateway and each user terminal for belonging to the gateway
When system not can determine that the home gateway of the user terminal, Xiang Suoshu S-CSCF sends failure response message, the failure response
Message is used to indicate the triggering user terminal and reregisters with described device failure.
Using scheme provided in an embodiment of the present invention, alternative P-CSCF/SBC receives the notification message that S-CSCF is sent；Institute
Stating notification message is that the S-CSCF occurs in the P-CSCF/SBC that the corresponding user terminal of called request received is registered
It is generated when failure；The notification message is used to indicate the triggering user terminal and reregisters with the alternative P-CSCF/
SBC；Then the alternative P-CSCF/SBC is according to the mapping of pre-established gateway and each user terminal for belonging to the gateway
Relationship determines the home gateway of the user terminal；The alternative P-CSCF/SBC passes through two-way between the home gateway
Home gateway described in active measurement agreement TWAMP chain road direction sends triggering message, and the triggering message is for triggering the user
Terminal re-register carries the called service of the user terminal to the alternative P-CSCF/SBC.To no longer need by
PCRF is triggered to gateway to notify user terminal re-register P-CSCF/SBC, reduces deployment difficulty, avoids between PCRF
Signalling exchange, reduce signaling overheads.
Referring to Figure 14, it is apparatus structure schematic diagram that realization terminal called service provided in an embodiment of the present invention restores,
The device is realized by gateway.The device includes communication interface 1401, processor 1402, memory 1403.Communication interface 1401, place
It manages device 1402 and memory 1403 is connected with each other.The specific connection not limited between above-mentioned component in the embodiment of the present invention is situated between
Matter.The embodiment of the present invention in Figure 13 to pass through bus between memory 1403, processor 1402 and communication interface 1401
1404 connections, bus indicates in Figure 13 with thick line, the connection type between other components, be only schematically illustrated, and
Do not regard it as and is limited.The bus can be divided into address bus, data/address bus, control bus etc..Only to be used in Figure 13 convenient for indicating
One thick line indicates, it is not intended that an only bus or a type of bus.
Communication interface 1401 in the embodiment of the present invention is for receiving and sending messages.
Memory 1403 in the embodiment of the present invention can be volatile for the program code that storage processor 1402 executes
Property memory (English: volatile memory), such as random access memory (English: random-access memory,
Abbreviation: RAM)；Memory 1403 is also possible to nonvolatile memory (English: non-volatile memory), such as read-only
Memory (English: read-only memory, abbreviation: ROM), flash memory (English: flash memory), hard disk (English
Text: hard disk drive, abbreviation: HDD) or solid state hard disk (English: solid-state drive, abbreviation: SSD) or
Memory 1403 can be used for carrying or store the desired program code with instruction or data structure form and can be by
Any other medium of computer access, but not limited to this.Memory 1403 can be the combination of above-mentioned memory.
Processor 1402 in the embodiment of the present invention can be a central processing unit (English: central
Processing unit, abbreviation CPU).Processor 1402 is for executing the program code stored in memory, for executing Fig. 8
The method that realization terminal called service restores described in corresponding embodiment is as follows:
When the proxy call conversation control function entity P-CSCF/SBC that user terminal is registered breaks down, by with
Two-way active measurement agreement TWAMP link between alternative P-CSCF/SBC receives the triggering that the alternative P-CSCF/SBC is sent
Message, the triggering message is for triggering the user terminal re-register to the alternative P-CSCF/SBC to carry the user
The called service of terminal.
According to the pre-established user terminal of the registration alternative P-CSCF/SBC and reflecting for the alternative P-CSCF/SBC
P-CSCF/SBC that user terminal described in relational query is registered is penetrated from the alternative P-CSCF/SBC as different P-CSCF/
SBC。
Notify the user terminal re-register to the alternative P-CSCF/SBC.
Optionally, after the user terminal re-register to the alternative P-CSCF/SBC, the alternative P-CSCF/ is received
The mark for the alternative P-CSCF/SBC that SBC is sent and the user identifier of the user terminal, then according to described alternative
The user identifier of the mark of P-CSCF/SBC and the user terminal, records the alternative P-CSCF/SBC and the user is whole
The mapping relations at end.
Utilize scheme provided in an embodiment of the present invention, when the P-CSCF/SBC that user terminal is registered breaks down, institute
The home gateway for stating user terminal receives the alternative P-CSCF/SBC by the TWAMP link between alternative P-CSCF/SBC
The triggering message of transmission, the triggering message is for triggering the user terminal re-register to the alternative P-CSCF/SBC to hold
Carry the called service of the user terminal.The home gateway is according to the pre-established user for registering the alternative P-CSCF/SBC
The mapping relations of terminal and the alternative P-CSCF/SBC, inquire P-CSCF/SBC that the user terminal is registered with it is described standby
Selecting P-CSCF/SBC is different P-CSCF/SBC.The home gateway notifies the user terminal re-register to the alternative P-
CSCF/SBC.To need to be triggered to gateway by PCRF no longer to notify user terminal re-register P-CSCF/SBC, reduce
Difficulty is disposed, the Signalling exchange between PCRF is avoided, reduces signaling overheads.
Referring to Figure 15, for a kind of device realizing terminal called service and restoring provided in an embodiment of the present invention, described device
It is realized by alternative P-CSCF/SBC, comprising:
Receiving unit 1501, for receiving the request message of service call session control function entity S-CSCF transmission；Institute
Stating request message is the P-CSCF/SBC hair that the receiving unit is registered in the corresponding user terminal of called request received
It is generated when raw failure；The request message is used to indicate the triggering user terminal and reregisters with described device；
Processing unit 1502, for being closed according to the mapping of pre-established gateway and each user terminal for belonging to the gateway
System determines the home gateway of the user terminal；
Transmission unit 1503, for passing through the two-way active measurement agreement TWAMP chain road direction between the home gateway
The home gateway sends triggering message, and the triggering message is for triggering the user terminal re-register to described device to hold
Carry the called service of the user terminal.
The transmission unit 1503 is also used to:
After the user terminal re-register to described device, by the mark of described device and the use of registration described device
The user name of family terminal is sent to the home gateway.
Wherein, the entitled international mobile subscriber identity IMSI of the user or Subscriber Number.
Described device further include:
Acquiring unit 1504, for obtaining the mark of the gateway during establishing TWAMP link with gateway；
The receiving unit 1501 is also used to receive the use for the user terminal for belonging to the gateway that the gateway is sent
Family mark；The processing unit 1502 is also used to establish the mark of the gateway and the user terminal for belonging to the gateway
The mapping relations of user identifier.
Wherein, the user identifier of the user terminal can be with are as follows: the gateway is each user for belonging to the gateway
The Internet protocol IP address of terminal distribution.The mark of the gateway can be the equipment number ID or IP of the gateway
Location.
In the processing unit 1502 according to the mapping of pre-established gateway and each user terminal for belonging to the gateway
When relationship not can determine that the home gateway of the user terminal, the transmission unit 1503 is also used to send to the S-CSCF and lose
Response message is lost, the failure response message is used to indicate the triggering user terminal and reregisters with described device failure.
Using scheme provided in an embodiment of the present invention, alternative P-CSCF/SBC receives the notification message that S-CSCF is sent；Institute
Stating notification message is that the S-CSCF occurs in the P-CSCF/SBC that the corresponding user terminal of called request received is registered
It is generated when failure；The notification message is used to indicate the triggering user terminal and reregisters with the alternative P-CSCF/
SBC；Then the alternative P-CSCF/SBC is according to the mapping of pre-established gateway and each user terminal for belonging to the gateway
Relationship determines the home gateway of the user terminal；The alternative P-CSCF/SBC passes through two-way between the home gateway
Home gateway described in active measurement agreement TWAMP chain road direction sends triggering message, and the triggering message is for triggering the user
Terminal re-register carries the called service of the user terminal to the alternative P-CSCF/SBC.To no longer need by
PCRF is triggered to gateway to notify user terminal re-register P-CSCF/SBC, reduces deployment difficulty, avoids between PCRF
Signalling exchange, reduce signaling overheads.
Referring to Figure 16, for a kind of device realizing terminal called service and restoring provided in an embodiment of the present invention, described device
It is realized by the home gateway of user terminal, comprising:
Receiving unit 1601, the proxy call conversation control function entity P-CSCF/SBC for being registered in user terminal
When breaking down, the alternative P- is received by the two-way active measurement agreement TWAMP link between alternative P-CSCF/SBC
The triggering message that CSCF/SBC is sent, the triggering message is for triggering the user terminal re-register to the alternative P-
CSCF/SBC is to carry the called service of the user terminal.
Query unit 1602, for according to the user terminal of the pre-established registration alternative P-CSCF/SBC with it is described standby
The mapping relations of P-CSCF/SBC are selected to inquire the P-CSCF/SBC and the alternative P-CSCF/SBC that the user terminal is registered
For different P-CSCF/SBC.
Notification unit 1603, for notifying the user terminal re-register to the alternative P-CSCF/SBC.
The receiving unit 1601 is also used to after the user terminal re-register to the alternative P-CSCF/SBC, connects
Receive the mark for the alternative P-CSCF/SBC that the alternative P-CSCF/SBC is sent and the user identifier of the user terminal.
Described device further include: recording unit 1604, for according to the mark of the alternative P-CSCF/SBC and described
The user identifier of user terminal records the mapping relations of the alternative P-CSCF/SBC and the user terminal.
Utilize scheme provided in an embodiment of the present invention, when the P-CSCF/SBC that user terminal is registered breaks down, institute
The home gateway for stating user terminal receives the alternative P-CSCF/SBC by the TWAMP link between alternative P-CSCF/SBC
The triggering message of transmission, the triggering message is for triggering the user terminal re-register to the alternative P-CSCF/SBC to hold
Carry the called service of the user terminal.The home gateway is according to the pre-established user for registering the alternative P-CSCF/SBC
The mapping relations of terminal and the alternative P-CSCF/SBC, inquire P-CSCF/SBC that the user terminal is registered with it is described standby
Selecting P-CSCF/SBC is different P-CSCF/SBC.The home gateway notifies the user terminal re-register to the alternative P-
CSCF/SBC.To need to be triggered to gateway by PCRF no longer to notify user terminal re-register P-CSCF/SBC, reduce
Difficulty is disposed, the Signalling exchange between PCRF is avoided, reduces signaling overheads.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (18)
1. a kind of method realizing terminal called service and restoring characterized by comprising
Alternative proxy call conversation control function entity P-CSCF/ Session Border Controller SBC receives service call session control
The request message that functional entity S-CSCF is sent；The request message is the S-CSCF corresponding in the called request received
What the P-CSCF/SBC that user terminal is registered was generated when breaking down；It is whole that the request message is used to indicate the triggering user
End reregisters with the alternative P-CSCF/SBC；
The alternative P-CSCF/SBC is according to the mapping relations of pre-established gateway and each user terminal for belonging to the gateway
Determine the home gateway of the user terminal；
The alternative P-CSCF/SBC passes through described in the two-way active measurement agreement TWAMP chain road direction between the home gateway
Home gateway sends triggering message, and the triggering message is for triggering the user terminal re-register to the alternative P-CSCF/
SBC is to carry the called service of the user terminal.
2. the method as described in claim 1, which is characterized in that further include:
After the user terminal re-register to the alternative P-CSCF/SBC, the alternative P-CSCF/SBC is by the alternative P-
The user name of the user terminal of the mark and registration alternative P-CSCF/SBC of CSCF/SBC is sent to the home gateway.
3. method according to claim 2, which is characterized in that the entitled international mobile subscriber identity IMSI of the user or
Subscriber Number.
4. the method as described in claims 1 to 3 is any, which is characterized in that establish the mapping relations, comprising:
During establishing TWAMP link with gateway, the mark of the gateway is obtained；
Receive the user identifier for the user terminal for belonging to the gateway that the gateway is sent；
Establish the mapping relations of the mark and the user identifier for the user terminal for belonging to the gateway of the gateway.
5. method as claimed in claim 4, which is characterized in that the user identifier of the user terminal are as follows: the gateway is to return
Belong to the Internet protocol IP address of each user terminal distribution of the gateway.
6. the method as described in claims 1 to 3 is any, which is characterized in that the equipment for being identified as the gateway of the gateway
Number ID or IP address.
7. the method as described in claims 1 to 3 is any, which is characterized in that further include:
The alternative P-CSCF/SBC is according to the mapping relations of pre-established gateway and each user terminal for belonging to the gateway
When not can determine that the home gateway of the user terminal, the alternative P-CSCF/SBC sends failure response to the S-CSCF and disappears
Breath, the failure response message are used to indicate the triggering user terminal and reregister with the alternative P-CSCF/SBC failure.
8. a kind of method realizing terminal called service and restoring characterized by comprising
When the proxy call conversation control function entity P-CSCF/SBC that user terminal is registered breaks down, the user is whole
The home gateway at end receives the alternative P- by the two-way active measurement agreement TWAMP link between alternative P-CSCF/SBC
The triggering message that CSCF/SBC is sent, the triggering message is for triggering the user terminal re-register to the alternative P-
CSCF/SBC is to carry the called service of the user terminal；
The home gateway is according to the pre-established user terminal and the alternative P-CSCF/ for registering the alternative P-CSCF/SBC
The mapping relations of SBC inquire P-CSCF/SBC that the user terminal is registered from the alternative P-CSCF/SBC as different P-
CSCF/SBC；
The home gateway notifies the user terminal re-register to the alternative P-CSCF/SBC.
9. method according to claim 8, which is characterized in that further include:
After the user terminal re-register to the alternative P-CSCF/SBC, the home gateway receives the alternative P-
The mark for the alternative P-CSCF/SBC that CSCF/SBC is sent and the user identifier of the user terminal；
The home gateway records institute according to the mark of the alternative P-CSCF/SBC and the user identifier of the user terminal
State the mapping relations of alternative P-CSCF/SBC Yu the user terminal.
10. a kind of device realizing terminal called service and restoring, which is characterized in that described device is by alternative proxy call session control
Functional entity P-CSCF/ Session Border Controller SBC processed is realized, comprising:
Receiving unit, for receiving the request message of service call session control function entity S-CSCF transmission；The request disappears
Breath is the receiving unit when the P-CSCF/SBC that the corresponding user terminal of called request received is registered breaks down
It generates；The request message is used to indicate the triggering user terminal and reregisters with described device；
Processing unit, for when the receiving unit receives the request message, according to pre-established gateway with belong to
The mapping relations of each user terminal of the gateway determine the home gateway of the user terminal；
Transmission unit, for by being handled described in the two-way active measurement agreement TWAMP chain road direction between the home gateway
The home gateway that unit determines sends triggering message, and the triggering message is for triggering the user terminal re-register to institute
Device is stated to carry the called service of the user terminal.
11. device as claimed in claim 10, which is characterized in that the transmission unit is also used to:
It is after the user terminal re-register to described device, the mark of described device and the user for registering described device is whole
The user name at end is sent to the home gateway that the processor unit determines.
12. device as claimed in claim 11, which is characterized in that the entitled international mobile subscriber identity IMSI of the user or
Person's Subscriber Number.
13. the device as described in claim 10~12 is any, which is characterized in that further include:
Acquiring unit, for obtaining the mark of the gateway during establishing TWAMP link with gateway；
The receiving unit is also used to receive the user identifier for the user terminal for belonging to the gateway that the gateway is sent；
The processing unit is also used to establish the mark and the user identifier for the user terminal for belonging to the gateway of the gateway
Mapping relations.
14. device as claimed in claim 13, which is characterized in that the user identifier of the user terminal are as follows: the gateway is
Belong to the Internet protocol IP address of each user terminal distribution of the gateway.
15. the device as described in claim 10~12 is any, which is characterized in that the gateway is identified as setting for the gateway
Standby number ID or IP address.
16. the device as described in claim 10~12 is any, which is characterized in that in the processing unit according to pre-established net
It is described when closing and belong to the mapping relations of each user terminal of the gateway and not can determine that the home gateway of the user terminal
Transmission unit is also used to send failure response message to the S-CSCF, and the failure response message is used to indicate the triggering use
Family terminal reregisters with described device failure.
17. it is a kind of realize terminal called service restore device, which is characterized in that described device by user terminal home gateway
It realizes, comprising:
Receiving unit, the proxy call conversation control function entity P-CSCF/SBC for being registered in user terminal break down
When, the alternative P-CSCF/SBC is received by the two-way active measurement agreement TWAMP link between alternative P-CSCF/SBC
The triggering message of transmission, the triggering message is for triggering the user terminal re-register to the alternative P-CSCF/SBC to hold
Carry the called service of the user terminal；
Query unit, for the user terminal and the alternative P- according to the pre-established registration alternative P-CSCF/SBC
The mapping relations of CSCF/SBC inquire the P-CSCF/SBC that the user terminal is registered and the alternative P-CSCF/SBC as not
Same P-CSCF/SBC；
Notification unit, for notifying the user terminal re-register to the alternative P-CSCF/SBC.
18. device as claimed in claim 17, which is characterized in that the receiving unit is also used in the user terminal weight
After being registered to the alternative P-CSCF/SBC, the mark for the alternative P-CSCF/SBC that the alternative P-CSCF/SBC is sent is received
The user identifier of knowledge and the user terminal；
Described device further include:
Recording unit, the mark of the alternative P-CSCF/SBC for being received according to the receiving unit and the user
The user identifier of terminal records the mapping relations of the alternative P-CSCF/SBC and the user terminal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510540895.2A CN106488475B (en) | 2015-08-28 | 2015-08-28 | A kind of method and device realizing terminal called service and restoring |
| PCT/CN2016/085852 WO2017036227A1 (en) | 2015-08-28 | 2016-06-15 | Method and device realizing terminal called service restoration |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510540895.2A CN106488475B (en) | 2015-08-28 | 2015-08-28 | A kind of method and device realizing terminal called service and restoring |
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| CN106488475B true CN106488475B (en) | 2019-10-25 |
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| WO (1) | WO2017036227A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108737322B (en) * | 2017-04-13 | 2021-01-26 | 展讯通信（上海）有限公司 | Service recovery method and device and mobile terminal |
| CN110677826B (en) * | 2018-07-03 | 2022-04-19 | 中国电信股份有限公司 | Disaster recovery method, system, terminal and computer readable storage medium |
| US20220053031A1 (en) * | 2019-01-18 | 2022-02-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and devices for continuation of terminating services in ims communication networks |
| CN110121166B (en) * | 2019-05-28 | 2021-09-10 | 中国联合网络通信集团有限公司 | Call establishment method and system |
| CN113162886A (en) * | 2020-01-07 | 2021-07-23 | 中国移动通信集团安徽有限公司 | PBX registration method, equipment and system |
| CN111315009B (en) * | 2020-04-07 | 2022-11-25 | 西安闻泰电子科技有限公司 | IMS network registration method and related device |
| CN111800406B (en) * | 2020-06-30 | 2022-07-01 | 陕西能源职业技术学院 | Terminal ad hoc network calling method |
| CN115766668A (en) * | 2021-09-03 | 2023-03-07 | 中国移动通信集团山东有限公司 | Automatic disaster recovery method, electronic device, and storage medium |
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| WO2017036227A1 (en) | 2017-03-09 |
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