CN101420361A - Method, terminal, server and customer terminal for terminating session - Google Patents

Method, terminal, server and customer terminal for terminating session Download PDF

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Publication number
CN101420361A
CN101420361A CN200710165403.1A CN200710165403A CN101420361A CN 101420361 A CN101420361 A CN 101420361A CN 200710165403 A CN200710165403 A CN 200710165403A CN 101420361 A CN101420361 A CN 101420361A
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China
Prior art keywords
session
pcrf
server
value parameter
cause value
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CN200710165403.1A
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Chinese (zh)
Inventor
谭仕勇
魏伟华
时晓岩
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN200710165403.1A priority Critical patent/CN101420361A/en
Priority to PCT/CN2008/072792 priority patent/WO2009056046A1/en
Publication of CN101420361A publication Critical patent/CN101420361A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer And Data Communications (AREA)

Abstract

The embodiment of the present invention discloses an abort session method. The method comprises steps of a client receiving information of an abort session request (ASR) from a server, wherein, the ASR information carrying expanded cause value parameters; the client obtaining the value parameters from the ASR messages and to indicate the service to abort the session according to the value parameters. The embodiment of the present invention also discloses an abort session system. The system comprises a client and a server. In addition, the embodiment of the present invention discloses a server and a client, the abort-session-mechanism can be improved by applying the present invention, therefore, user experiences are improved.

Description

Method, system and server, client that a kind of session stops
Technical field
The present invention relates to the communications field, method, system and server, client that particularly a kind of session stops.
Background technology
Session refers to user terminal (UE, User Equipment) and external network, such as the annexation between internet (internet), this annexation can be discerned by the IP address of UE or the sign of UE, such as, connect in the Access Network (IP-CAN, IP-Connectivity AccessNetwork) at IP, if terminal distribution IP address and being discerned by external network, so just claim to exist an IP-CAN session.
And carry out in the process in session, may be for some reason, (ASR, Abort-Session-Request) message stops session, so that in time discharge the resource that session takies to need to use the termination conversation request.Fig. 1 is that IP-CAN session and the AF session that UE initiates in the prior art discharges schematic flow sheet, Fig. 1 has adopted the PCC framework of 3GPP definition, mainly comprise: Application Function (AF, Application Function), gateway (GW, Gateway) strategy in and charge execution entity (PCEF:Policy and Charging Enforcement Function) and policy control and charging regulation function entity (PCRF, Policy Control and Charging Rules Function).
PCRF is mainly used in the restriction according to user access network, and carrier policy obtain decision corresponding strategy such as the current ongoing business information of user from AF, and the strategy that will determine offers PCEF; PCEF carries out that PCRF issues or the strategy of appointment; And AF dynamically provides the session information of application layer to PCRF, and PCRF dynamically generates or revise corresponding rule according to this information.As shown in Figure 1, the method for the termination of session at present mainly may further comprise the steps:
Step 101:PCEF receives the IP-CAN session release request message that UE initiates.
IP-CAN session in this step discharges request message, for packet radio network (GPRS, Global Packet Radio System), can be specially the contextual deletion request message of last packet data protocol (PDP, Packet Data Protocol).
Step 102:PCEF sends the credit control request to PCRF, and (CCR, Credit-Control-Request) message is given PCRF
In this step, PCEF sends the CCR message of Diameter, and notice PCRF discharges the IP-CAN session.
Interface between PCRF and the PCEF is the Gx interface, and this interface makes PCRF can dynamically control PCEF and goes up performed PCC rule.The Gx interface uses diameter (Diameter) agreement of ietf definition.
Step 103:PCRF searches the binding corresponding relation of this IP-CAN session and AF session.
Step 104:PCRF sends Credit Control Answer (CCA, Credit-Control-Answer) message to PCEF.
In this step, PCEF transmission CCA message is replied the notice that discharges the IP-CAN session.
Step 105:PCEF sends the IP-CAN session to UE and discharges response message.
IP-CAN session in this step discharges response message, for GPRS, can specifically be the deletion PDP Context response message at step 101.
For the AF session of each and IP-CAN session association, the release steps of execution in step 106～step 109:
Step 106:PCRF sends ASR message to AF.
In this step, PCRF is as server, and the ASR message to send Diameter as the AF of client stops session with request.
Interface between AF and the PCRF is a Rx interface, and this interface is used for AF and issues the application layer relevant information, and Rx interface also uses the Diameter of ietf definition.
Diameter belongs to the agreement of customer end/server mode, and Diameter client and Diameter server can carry out a series of information exchange, and stops a series of information interactions from being initiated to, and is called a Diameter session.The termination of Diameter session, determine by Diameter client fully, Diameter server can send the termination conversation request in advance, agree to stop under the situation of request at Diameter client, can response termination session reply, Diameter client sends the conversation end request more then, the session of notice Diameter server end user, otherwise session is still kept.
Step 107:AF sends the termination session to PCRF and replys (ASA, Abort-Session-Answer) message.
In this step, AF sends the ASA message of Diameter to PCRF, as replying the ASR message of Diameter.
Step 108:AF sends session to PCRF and stops request (STR, Session-Termination-Request) message.
In this step, AF notifies PCRF to stop the AF session to the STR message that PCRF sends Diameter.
Step 109:PCRF sends session to AF and stops replying (STA, Session-Termination-Answer) message.
In this step, PCRF sends the STA message of Diameter to AF to AF, and the AF session stops.
In the flow process of termination session shown in Figure 1, stop an IP-CAN session by deleting all PDP Contexts, can certainly use the ASR/ASA message and the STR/STA message of Diameter to discharge the IP-CAN session at the Gx interface between PCRF and the PCEF.
At present, the reason that stops session is many, such as, since PCRF inadequate resource or because the needs of equipment control cause session to discharge, and in the termination session, can't indicate the reason of multiple termination sessions such as PCRF inadequate resource, equipment control at present, thus can't provide corresponding processing timely, for example, according to Diameter regulation, after receiving ASR message, initiation session discharges flow process as the PCEF of Diameter client.Thereby when PCRF fault or equipment control need discharge session, PCEF can't in time discharge the IP-CAN session.
In sum, stop the method for session at present, can't indicate the reason of multiple termination session, user experience is relatively poor.
Summary of the invention
In view of this, the method that the embodiment of the invention provides a kind of session to stop, this method can be improved the termination conversation mechanism, thereby strengthens user experience.
The system that the embodiment of the invention also provides a kind of session to stop, this system can improve the termination conversation mechanism, thereby strengthens user experience.
The embodiment of the invention provides a kind of server in addition, and this server can improve the termination conversation mechanism, thereby strengthens user experience.
The embodiment of the invention provides a kind of client in addition, and this client can be improved the termination conversation mechanism, thereby strengthens user experience.
For achieving the above object, the technical scheme of the embodiment of the invention specifically is achieved in that
The session that client receives from server stops request ASR message, and described ASR message has been carried the cause value parameter of expansion;
Client is obtained described cause value parameter from described ASR message, according to the cause value parameter of described expansion, the indication server stops session.
The system that a kind of session stops, described system comprises:
Server is used to send ASR message, and described ASR message has been carried the cause value parameter of expansion;
Client is used for obtaining described cause value parameter from the ASR message that described server sends, and according to described cause value parameter, the indication server stops session.
A kind of server, described server comprises:
Receiver module is used for receiving from client-side session termination indication;
Sending module, be used to send ASR message, described ASR message has been carried to characterize and can't have been satisfied owing to PCRF fault, equipment control reason, the signatory change of user that QoS of customer requirement, PCEF fault cause the cause value parameter that session discharges or because the IP-CAN session discharges the cause value parameter that causes AF session release.
The described client of a kind of client comprises:
Acquisition module is used for obtaining the cause value parameter that sign can't satisfy the cause value parameter that QoS of customer requires, the PCEF fault causes session release owing to PCRF fault, equipment control reason, user contract change or cause AF session release owing to IP-CAN session release from the ASR message of server transmission;
Processing module is used for the cause value parameter obtained according to described acquisition module, and the indication server stops session.
Method, system, server and client side that the session that the embodiment of the invention provides stops, by expanding the cause value parameter of in protocol message, carrying, can indicate the reason that PCRF fault, equipment control or user contract and no longer satisfy many kinds of sessions terminations of QoS, thereby can carry out respective handling timely according to this reason, can improve the termination conversation mechanism, strengthen user experience.
Description of drawings
Fig. 1 is the method flow schematic diagram of the termination session of available technology adopting;
The method flow schematic diagram that Fig. 2 stops for the session of adopting in the embodiment of the invention;
Fig. 3 is the method flow schematic diagram that session stops in the first embodiment of the invention;
Fig. 4 is the method flow schematic diagram that session stops in the second embodiment of the invention;
Fig. 5 is the method flow schematic diagram that session stops in the third embodiment of the invention;
The apparatus structure schematic diagram that Fig. 6 stops for the session of adopting in the embodiment of the invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in further detail.
The method of the termination session that provides in the embodiment of the invention is: client receives the ASR message from server, and this ASR message has been carried the cause value parameter of expansion; Client is obtained described cause value parameter from described ASR message, according to described cause value parameter, the indication server stops session.
Fig. 2 stops the method flow schematic diagram of reason for the indication session of adopting in the embodiment of the invention.As shown in Figure 2, specifically may further comprise the steps:
Step 201: client receives the ASR message from server, and this ASR message has been carried the cause value parameter of expansion.
Client receives the ASR message from server in this step, the ASR message that this ASR message can be Diameter also can be the ASR message of other agreement, such as, the ASR message of Radius agreement, the cause value parameter of having carried expansion in the ASR message in this step comprises:
Equipment control reason (ADMINISTRATION_REASON): expression is because the cause value parameter that the IP-CAN session that the needs of equipment control cause discharges.
Server failure (SERVER_MALFUNCTION): expression is because the cause value parameter that the IP-CAN session that the PCRF fault causes discharges.
Other reason (OTHER_REASONS): represent that the IP-CAN session that other reason causes discharges.
This step has been carried expansion cause value parameter and has been comprised in ASR message:
The IP-CAN session discharges (IP-CAN_SESSION_RELEASED): expression is because the release of IP-CAN session causes PCRF to discharge the cause value parameter of AF session.
Equipment control reason (ADMINISTRATION_REASON): expression is because the cause value parameter that the AF session that the needs of equipment control cause discharges.
Service quality does not satisfy (QOS_CANNOT_BE_AUTHORISE): be mainly used in the cause value parameter that discharges the AF session when the signatory change of user can't be satisfied requiring of user Qos.
Server failure (SERVER_MALFUNCTION): the cause value parameter that expression causes the AF session to discharge because of the fault of PCRF.
PCEF fault (PCEF_MALFUNCTION): the cause value parameter that expression causes the AF session to discharge because of the fault of PCRF.
Other reason (OTHER_REASONS): represent that the AF session that other reason causes discharges.
Certainly, those skilled in the art are easy to expect expanding other protocol message, such as the cause value parameter of the above type of expansion in the customer end/server mode protocol message.
Step 202: client is obtained the cause value parameter from ASR message, and according to this cause value parameter, the indication server stops session.
In the protocol message of Gx interface or Rx interface use, by a kind of reason that indicates the session termination in the cause value parameter of carrying above type.Can certainly in the message that other interface uses,, indicate the reason that session stops by carrying the cause value parameter of above type.
The embodiment of the invention, by expanding the cause value parameter of in ASR message, carrying, can indicate the reason that PCRF fault, PCEF fault, equipment control or user contract and no longer satisfy many kinds of sessions terminations of QoS, thereby can in time carry out respective handling according to this reason, such as, in time indication PCRF stops IP-CAN session or AF session, thereby can improve the termination conversation mechanism, strengthens user experience.The cause value parameter that following mask body provides after several utilization expansions is carried out the flow process that session stops.
Fig. 3 is the method flow schematic diagram that session stops in the first embodiment of the invention.Present embodiment is to initiate IP-CAN session and AF session release application example by equipment control, promptly after the IP-CAN session between PCEF and the PCRF and the AF session between PCRF and the AF have been set up, equipment control on the PCRF need discharge a certain User IP-CAN session and AF session, at this moment sends ASR message is initiated IP-CAN session and AF session to PCEF and AF release respectively by PCRF.Session shown in Figure 3 discharges before the flow process, has expanded cause value parameter A DMINISTRATION_REASON (1) and ADMINISTRATION_REASON (3) that the characterization device administrative reason causes session to discharge in advance in the Diameter message of Gx interface and Rx interface use.
Step 301:PCRF sends to AF and carries the ASR message that the characterization device administrative reason causes the cause value parameter of session release.
In the present embodiment, equipment control on the PCRF need discharge user conversation and connect, PCRF sends the ASR message of Diameter to AF, ASR message is carried and is stopped session reason (Abort-CauseAVP), and be ADMINISTRATION_REASON (1) with its value, main expression since the IP-CAN session that the needs of equipment control cause discharge.
Step 302:PCEF sends ASA message to PCRF.
Step 303:PCEF sends STR message to PCRF.
Present embodiment, the cause value parameter that PCEF carries according to ASR message utilizes STR message to indicate PCRF to discharge the IP-CAN session.
Step 304:PCRF sends STA message to PCEF.
Present embodiment is after IP-CAN session release is finished, and PCRF sends STA message to PCEF.
Step 305:PCRF determines affected AF session according to binding relationship.
For each affected AF session, carry out following steps:
Step 306:PCRF sends to AF and carries the ASR message that the characterization device administrative reason causes the cause value parameter of session release.
PCRF sends ASR message to AF, has Abort-Cause AVP in the message, and value is ADMINISTRATION_REASON (3) here, and expression is because the reason of equipment control causes PCRF to discharge the AF session.
Step 307:AF sends ASA message to PCRF.
Step 308:AF sends STR message to PCRF.
The cause value parameter that present embodiment, PCEF carry in carrying according to ASR message utilizes STR message indication PCRF to discharge the AF session.
Step 309:PCRF sends STA message to AF.
In the present embodiment, after this AF session release is finished, send STA message.
Present embodiment can make PCEF after receiving this message by carry the cause value parameter that the characterization device administrative reason causes session to discharge in ASR message, in time discharges the IP-CAN session.
Fig. 4 is the method flow schematic diagram that session stops in the second embodiment of the invention.Present embodiment is that the PCRF fault causes IP-CAN session and AF session to discharge application example, and when PCRF broke down, PCRF need discharge a certain User IP-CAN session and AF session.Different with embodiment one is: have only an IP-CAN carrying in the IP-CAN session at this moment, receive the ASR message that PCRF sends after, PCEF discharges last IP-CAN to PCRF and carries the release that realizes the IP-CAN session by sending Diameter CCR.Before session shown in Figure 4 discharges flow process, in the Diameter message of Gx interface and Rx interface use, expanded characterizing the cause value parameter that the PCRF fault causes session to discharge in advance.
Step 401:PCRF sends to carry to PCEF and characterizes the ASR message that the PCRF fault causes the cause value parameter of session release.
Because need discharging user conversation, the PCRF fault connects, PCRF sends the ASR message of Diameter to PCEF, have Abort-Cause AVP in this message, value is SERVER_MALFUNCTION (3) here, and main expression is owing to the IP-CAN session that the reason of PCRF fault causes discharges.
Step 402:PCEF sends ASA message to PCRF.
Carry out the release of IP-CAN carrying between step 403:PCEF and the UE.
Have only an IP-CAN carrying in the present embodiment in the IP-CAN session, PCEF initiates the release of IP-CAN carrying.
Step 404:PCEF sends CCR message to PCRF.
In the present embodiment, adopt CCR message indication PCRF to carry out the release of IP-CAN session.
Step 405:PCRF sends CCA message to PCEF.
In the present embodiment, after IP-CAN session release was finished, PCRF sent CCA message to PCEF.
Step 406:PCRF determines affected AF session according to binding relationship.
For each affected AF session, carry out following steps:
Step 407:PCRF sends to carry to AF and characterizes the ASR message that the PCRF fault causes the cause value parameter of session release.
In the present embodiment, PCRF sends ASR message to AF, has Abort-Cause AVP in this message, and value is ADMINISTRATION_REASON (5) here, and expression is because the reason of PCRF fault causes PCRF to discharge the AF session.
Step 408～step 410 is identical with step 307～step 309, does not give unnecessary details one by one here.
Present embodiment when execution of step 403, the reason that PCEF can also stop to the user prompt session, such as " barrier stops service for some reason " etc., PCEF can also add up the reason that session stops.
Present embodiment can make PCEF after receiving this message by carry the cause value parameter that the PCRF fault causes session to discharge in ASR message, in time discharges the IP-CAN session.
The method flow schematic diagram that Fig. 5 stops for the third embodiment of the invention session.Present embodiment is that user signing contract information changes the example cause IP-CAN session and AF session to discharge, supposes that IP-CAN session and AF session set up.Because user signing contract information changes, cause current IP-CAN carrying QoS and signatory QoS inconsistent, at this moment PCRF need discharge this user AF session and affected IP-CAN carrying.Before session termination process as shown in Figure 5, expanded in advance to characterize owing to signatory change of user in the Diameter message of Rx interface use and can't satisfy the cause value parameter QOS_CANNOT_BE_AUTHORISE (2) that QoS of customer requires to cause session release, concrete steps are as follows:
Step 501: user signing contract information changes.
In the present embodiment, user signing contract information changes, CAMEL-Subscription-Information after SPR will upgrade sends to PCRF, signatory QoS in QoS in the new CAMEL-Subscription-Information of user and current IP-CAN carrying is inconsistent, in the present embodiment, be levels of quality of service sign (QCI) difference, when also can being the qos requirement that does not satisfy other.PCRF need discharge AF session and corresponding IP-CAN carrying, promptly discharges corresponding carrying by deletion PCC rule.
Step 502:PCRF sends re-authentication requests, and (RAR, Re-Auth-Request) message is to PCEF.
In the present embodiment, have the PCC rule of needs deletion in the RAR message.
Step 503:PCEF sends discrimination weight and replys that (RAA, Re-Auth-Answer) message is to PCRF.
In the present embodiment, after the PCEF deletion PCC rule, send RAA message to PCRF.
Step 504:PCEF initiates the release of IP-CAN carrying to terminal.
Step 505:PCEF sends CCR message to PCRF.
In the present embodiment, use the release of CCR message indication IP-CAN carrying.
Step 506:PCRF sends CCA message to PCEF.
Step 507:PCRF determines affected AF session according to binding relationship.
For each affected AF session, carry out following steps:
Step 508:PCRF sends ASR message to AF.
In the present embodiment, carry in the ASR message that PCRF sends and characterize: QOS_CANNOT_BE_AUTHORISE (2), release IP-CAN sessions of users when expression can't be satisfied requiring of user QoS when the signatory change of user because signatory change of user and can't satisfy the cause value parameter that QoS of customer requires to cause session to discharge and be.
Step 509～step 511 is identical with step 307～step 309, does not give unnecessary details one by one here.
Present embodiment, characterize because the user contracts change and can't satisfy the cause value parameter that the QoS of customer requirement causes session to discharge by in ASR message, carrying, thereby send to the user as information by PCEF, thereby the reason that can in time point out user conversation to discharge is user-friendly to.
The indication session that Fig. 6 adopts for the embodiment of the invention stops the system of reason, and this system comprises:
Server 610 sends ASR message, and this ASR message has been carried the cause value parameter of expansion;
Client 620 is obtained the cause value parameter from the ASR message that server sends, according to this cause value parameter, indication server 610 stops session.
Server 610 comprises:
Receiver module 611 receives from client-side session and stops indication;
Sending module 612, send ASR message, this ASR message has been carried to characterize can't satisfy QoS of customer requirement, strategy owing to policy charging rule functional entity PCRF fault, equipment control reason, the signatory change of user and charge and has been carried out that entity PCEF fault causes the cause value parameter that session discharges or because IP is connected the cause value parameter that Access Network IP-CAN session release causes AF session release.
Client 620 comprises:
Acquisition module 621 obtains from the ASR message that server sends that sign can't satisfy owing to policy charging rule functional entity PCRF fault, equipment control reason, the signatory change of user that QoS of customer requires, strategy carries out that entity PCEF fault causes cause value parameter that session discharges or because IP is connected the cause value parameter that Access Network IP-CAN session release causes AF session release with chargeing;
Processing module 622, the indicated session of cause value parameter of obtaining according to acquisition module 621 stops reason, carries out respective handling.
When client 610 is PCEF, when server 620 was PCRF, the described PCRF of processing module 622 indications stopped the IP-CAN session.
Client 620 can also comprise: reminding module 623, the reason that reminding module 623 stops to the user prompt session.
Client 620 can also comprise: statistical module, statistical module can be added up the reason that session stops.
When client 610 is PCEF, when described server 620 was AF, the described PCRF of processing module 622 indications stopped the AF session.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.All any modifications of being done within the spirit and principles in the present invention, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (20)

1, a kind of method of session termination is characterized in that this method comprises:
The session that client receives from server stops request ASR message, and described ASR message has been carried the cause value parameter of expansion;
Client is obtained described cause value parameter from described ASR message, according to described cause value parameter, the indication server stops session.
2, method according to claim 1 is characterized in that, the cause value parameter of described expansion comprises:
Characterize since policy charging rule functional entity PCRF fault cause cause value parameter that session discharges,
Sign owing to the equipment control reason cause cause value parameter that session discharges,
Characterize since signatory change of user and can't satisfy cause value parameter that the QoS of customer requirement causes session to discharge,
Characterize since strategy and chargeing carry out cause value parameter that entity PCEF fault causes session to discharge,
Perhaps, characterize owing to IP connects the cause value parameter that Access Network IP-CAN session release causes the AF session to discharge.
3, method according to claim 2 is characterized in that, described server is PCRF, and described client is PCEF,
Described indication server stops session and comprises: described PCEF indicates described PCRF to discharge the IP-CAN session.
4, method according to claim 3 is characterized in that, described indication PCRF discharges the IP-CAN session and comprises:
After having discharged last IP-CAN carrying, described PCEF utilizes credit control request information indication PCRF to discharge the IP-CAN session.
5, method according to claim 3 is characterized in that, described indication server stops further comprising following one or two combination after the session: to the reason of user prompt, statistics session termination.
6, method according to claim 1 is characterized in that, described server is PCRF, and described client is AF,
Described indication server stops session and comprises: described AF indicates described PCRF to discharge the AF session.
7, a kind of system of session termination is characterized in that described system comprises:
Server is used to send ASR message, and described ASR message has been carried the cause value parameter of expansion;
Client is used for obtaining described cause value parameter from the ASR message that described server sends, and according to described cause value parameter, the indication server stops session.
8, system according to claim 7 is characterized in that, described server comprises:
Receiver module is used for receiving from client-side session termination indication;
Sending module, be used to send ASR message, described ASR message has been carried to characterize and can't have been satisfied owing to PCRF fault, equipment control reason, the signatory change of user that QoS of customer requirement, PCEF fault cause the cause value parameter that session discharges or because the IP-CAN session discharges the cause value parameter that causes AF session release.
9, system according to claim 7 is characterized in that, described client comprises:
Acquisition module, be used for characterizing from the ASR message that described server sends can't satisfy owing to PCRF fault, equipment control reason, the signatory change of user that QoS of customer requires, the PCEF fault causes cause value parameter that session discharges or because the P-CAN session discharges the cause value parameter that causes AF session release;
Processing module is used for the cause value parameter obtained according to described acquisition module, indicates described server to stop session.
10, system according to claim 9 is characterized in that, described client is PCEF, and described server is PCRF,
Described processing module indicates described PCRF to stop the IP-CAN session.
11, system according to claim 10 is characterized in that, described client further comprises:
Reminding module is used for the reason that stops to the user prompt session.
12, system according to claim 10 is characterized in that, described client further comprises:
Statistical module is used to add up the reason that session stops.
13, system according to claim 9 is characterized in that, described client is PCEF, and described server is AF,
Described processing module indicates described PCRF to stop the AF session.
14, a kind of server is characterized in that, described server comprises:
Receiver module is used for receiving from client-side session termination indication;
Sending module, be used to send ASR message, described ASR message has been carried to characterize and can't have been satisfied owing to PCRF fault, equipment control reason, the signatory change of user that QoS of customer requirement, PCEF fault cause the cause value parameter that session discharges or because the IP-CAN session discharges the cause value parameter that causes AF session release.
15, server according to claim 14 is characterized in that, described server is PCRF.
16, a kind of client is characterized in that, described client comprises:
Acquisition module is used for obtaining the cause value parameter that sign can't satisfy the cause value parameter that QoS of customer requires, the PCEF fault causes session release owing to PCRF fault, equipment control reason, user contract change or cause AF session release owing to IP-CAN session release from the ASR message of server transmission;
Processing module is used for the cause value parameter obtained according to described acquisition module, indicates described server to stop session.
17, client according to claim 16 is characterized in that, described client is PCEF, and described server is PCRF,
Described processing module indicates described PCRF to stop the IP-CAN session.
18, client according to claim 17 is characterized in that, described client further comprises:
Reminding module is used for the reason that stops to the user prompt session.
19, client according to claim 17 is characterized in that, described client further comprises:
Statistical module is used to add up the reason that session stops.
20, client according to claim 16 is characterized in that, described client is PCEF, and described server is AF,
Described processing module indicates described PCRF to stop the AF session.
CN200710165403.1A 2007-10-25 2007-10-25 Method, terminal, server and customer terminal for terminating session Pending CN101420361A (en)

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PCT/CN2008/072792 WO2009056046A1 (en) 2007-10-25 2008-10-23 A method for session termination

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CN104620536A (en) * 2012-09-17 2015-05-13 瑞典爱立信有限公司 High-availability, scalable policy and charging control systems, and methods therefor
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