CN101212522A - Method, device, and system for correlating sessions - Google Patents

Method, device, and system for correlating sessions Download PDF

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Publication number
CN101212522A
CN101212522A CN 200610170357 CN200610170357A CN101212522A CN 101212522 A CN101212522 A CN 101212522A CN 200610170357 CN200610170357 CN 200610170357 CN 200610170357 A CN200610170357 A CN 200610170357A CN 101212522 A CN101212522 A CN 101212522A
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China
Prior art keywords
session
message
sign
csi
ims
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CN 200610170357
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Chinese (zh)
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CN101212522B (en
Inventor
朱东铭
张恒梁
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN 200610170357 priority Critical patent/CN101212522B/en
Priority to PCT/CN2007/003546 priority patent/WO2008080297A1/en
Publication of CN101212522A publication Critical patent/CN101212522A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • 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
    • 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
    • H04L67/146—Markers for unambiguous identification of a particular session, e.g. session cookie or URL-encoding
    • 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
    • H04L67/148—Migration or transfer of sessions
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/08—Upper layer protocols
    • H04W80/10—Upper layer protocols adapted for application session management, e.g. SIP [Session Initiation Protocol]

Abstract

The invention discloses a method, a device and a system of relevant conversation, which is used for solving the problem that the prior art fails to realize relevance between a first conversation and a second conversation requiring relevance. The method comprises the following processes: during processing the first conversation, a CSI terminal generates a mark corresponding to the first conversation and carries the mark in the information sent during processing the first conversation and the information sent subsequently during processing the second conversation which is relevant to the first conversation; after receiving the information, a CSI intercommunication function entity distinguishes that the carried mark matched with a mark saved locally; if the matching fails, the received information is determined to belong to the first conversation, the mark carried in the information is saved, and the relevant relationship between the mark and the first conversation is recorded; if the matching is successful, the received information is determined to belong to the second conversation, and the first conversation is relevant to the second conversation. The invention also discloses a method for transferring the information of the relevant conversation.

Description

The method of correlating sessions, Apparatus and system
Technical field
The present invention relates to the communications field, particularly relate to method, the Apparatus and system of correlating sessions, and a kind of method of transmitting correlating sessions information.
Background technology
IMS is an IP Multimedia System in the WCDMA network of 3GPP R5/R6 standard definition, is that the 3G mobile network is realized packet voice and grouped data, and the unified multimedia service and the objective network of application are provided.IMS adopts the bearer path of IP packet domain as its control signaling and media delivery, adopts Session Initiation Protocol as call control signalling.In IMS, the user contracting data of IMS concentrates among the HSS to be managed, and business is provided by the application server AS unification, session control is finished by S-CSCF, both separate on network configuration fully, and business is toggled to AS by S-CSCF and handles, but collaborative work between a plurality of AS.The user inserts IMS by current location agent node P-CSCF, session and professional control are then finished by the home domain service node of its registered place, therefore the user can obtain same service at diverse access point, has realized that three that service management, session control and carrying insert separates and provides with the business of access and location independent.
CSI is a research topic in the present 3GPP standard.This problem is paid close attention to is how to combine with IMS territory business the CS territory of 3G is professional.
On the problem that realizes CSI terminal and IMS terminal mutual, only provide the framework and the flow process of intercommunication in the existing standard.Wherein, the CSI terminal is as caller, and the IMS terminal is as under the called situation, and intercommunication is controlled at the framework of caller network, referring to shown in Figure 1; Intercommunication is controlled at the framework of called network, referring to shown in Figure 2.In above-mentioned two Organization Charts, the voice conversation that terminal UE 1 is initiated is routed to CSI AS, and is same, and the IMS session that terminal UE 1 is initiated also is routed to CSI AS, CSI AS becomes one with two merged session, adopts the IMS flow process of standard and terminal called UE 2 to carry out the session exchange afterwards.
Based on above-mentioned framework, the CSI terminal increases the flow process of audio call as caller in existing IMS session, referring to shown in Figure 3, comprise the following steps:
1, terminal UE 1 is initiated MSRP conversation request INVITE to terminal UE 2.
2, caller network S-CSCF1 transmits this INVITE and asks CSI AS1 based on iFC.
3, CSI AS1 initiates the RE-INVITE request to terminal UE 2, and this request is newly-increased MSRP medium on original medium.
4, the RE-INVITE request arrives S-CSCF2 along the initial session path.
5, S-CSCF2 transmits RE-INVITE and asks terminal UE 2.
6, terminal UE 2 sends 200 OK response messages.
7, S-CSCF2 transmits 200 OK to S-CSCF1.
8, S-CSCF1 transmits 200 OK to CSI AS1.
9, CSI AS produces 200 OK response messages of MSRP conversation request, sends to S-CSCF1.
10, S-CSCF1 transmits 200 OK response messages and gives terminal UE 1.
Afterwards, user's MSRP medium are successfully set up.
In sum, prior art only provides the framework and the flow process of CSI terminal and IMS terminal mutual, but the CSI interworking function entity is when receiving second session in specific implementation, how with ongoing first session with need the second related session carry out association, related content is disclosed in the prior art.
And prior art does not provide the transfer mode of correlating sessions information yet.
Summary of the invention
The invention provides a kind of method, Apparatus and system of correlating sessions, first session and the second related session of needs can't be carried out association in order to solve prior art, thereby can't realize the problem of CSI terminal and IMS terminal mutual.
The present invention also provides a kind of method of transmitting correlating sessions information, does not provide the problem of the transfer mode of correlating sessions information in order to solve prior art.
The method of correlating sessions of the present invention, generate and the first session corresponding identification when comprising the following steps: first session of CSI terminal processes, and in the message of when handling first session, sending, and in the message of follow-up initiation and second session first session association, carry this sign; After the CSI interworking function entity is received the message that the CSI terminal sends, discern the sign of carrying in this message, and mate with the sign that has preserved this locality, if it fails to match, judge that then the message of receiving belongs to described first session, preserve the sign of carrying in the described message, and write down the corresponding relation of this sign and first session; If the match is successful, judge that then the message of receiving belongs to described second session, and with described first session and second session association.
CSI terminal of the present invention comprises: the sign generation unit is used for generating and the first session corresponding identification when described CSI terminal processes first session; Transfer unit is used for the message sent when handling first session, and carries the sign that the sign generation unit generates in the message of follow-up initiation and second session first session association, so that this sign is delivered to network side.
CSI interworking function entity of the present invention comprises: recognition unit is used for discerning the sign that message that the CSI terminal sends is carried; Matching unit, the sign that is used for that recognition unit is identified are preserved the sign of preserving the unit with sign and are mated, if it fails to match, judge that then the message of receiving belongs to first session, and preserve the unit to sign and send relevant indication; If the match is successful, judge that then the message of receiving belongs to second session with first session association, and send relevant indication to associative cell; Sign is preserved the unit, is used for the indication according to matching unit, preserves the sign that recognition unit identifies, and writes down the corresponding relation of this sign and first session; Associative cell is used for the indication according to matching unit, with described first session and second session association.
The system of correlating sessions of the present invention, comprise: the CSI terminal, be used for when handling first session, generating and the first session corresponding identification, and in the message of when handling first session, sending, and in the message of follow-up initiation and second session first session association, carry this sign; The CSI interworking function entity, be used for after receiving the message that the CSI terminal is sent, discern the sign of carrying in this message, and mate with the sign that has preserved this locality, if it fails to match, judge that then the message of receiving belongs to described first session, preserve the sign of carrying in the described message, and write down the corresponding relation of this sign and first session; If the match is successful, judge that then the message of receiving belongs to described second session, and with described first session and second session association.
The present invention transmits the method for correlating sessions information, the session association when being applied to CSI terminal and IMS terminal mutual, comprise the following steps: CSI terminal or CSI interworking function entity with the opposite end interactive messages in carry correlating sessions information; And after the opposite end receives this message, identification and preserve described correlating sessions information from this message.
Beneficial effect of the present invention is as follows:
In the method for correlating sessions of the present invention, generate and the first session corresponding identification during first session of CSI terminal processes, and in the message of when handling first session, sending, and in the message of follow-up initiation and second session first session association, carry this sign; After the CSI interworking function entity is received the message that the CSI terminal sends, discern the sign of carrying in this message, and mate with the sign that has preserved this locality, if it fails to match, judge that then the message of receiving belongs to described first session, preserve the sign of carrying in the described message, and write down the corresponding relation of this sign and first session; If the match is successful, judge that then the message of receiving belongs to described second session, and with described first session and second session association.Thereby CSI terminal and IMS terminal mutual have been realized.The also corresponding Apparatus and system that provides of the present invention.
The present invention transmits in the method for correlating sessions information, and the concrete transfer mode of correlating sessions information (sign) is provided, and promptly in the CS session, carries correlating sessions information in the UUI information of mutual CS message between CSI terminal and CSI interworking function entity; In the IMS session, between CSI terminal and CSI interworking function entity, carry correlating sessions information in the header field of mutual IMS message.
Description of drawings
Fig. 1 is that the CSI terminal is as caller in the prior art, and the IMS terminal is as under the called situation, and intercommunication is controlled at the configuration diagram of caller network;
Fig. 2 is that the CSI terminal is as caller in the prior art, and the IMS terminal is as under the called situation, and intercommunication is controlled at the configuration diagram of called network;
Fig. 3 is that the CSI terminal increases the flow chart of audio call as caller in the prior art in existing IMS session;
Fig. 4 is the method step flow chart of correlating sessions of the present invention;
Fig. 5 is the method embodiment 1 signaling process figure of correlating sessions of the present invention;
Fig. 6 is the method embodiment 2 signaling process figure of correlating sessions of the present invention;
Fig. 7 is the method embodiment 3 signaling process figure of correlating sessions of the present invention;
Fig. 8 is a CSI terminal structure schematic diagram of the present invention;
Fig. 9 is a CSI interworking function entity structural representation of the present invention;
Figure 10 is the system configuration schematic diagram of correlating sessions of the present invention.
Embodiment
For with first session with need the second related session carry out association, thereby realization CSI terminal and IMS terminal mutual.
● the invention provides a kind of method of correlating sessions,, comprise following key step referring to shown in Figure 4:
Generate and the first session corresponding identification when S1, first session of CSI terminal processes.
Before generation of CSI terminal and the unique corresponding identification of first session, can obtain relevant information earlier, for example: the CSI terminal is obtained the CS territory Mobile Subscriber International ISDN Number of opposite end from the existing field of the first session related news or extended field, perhaps obtains the CS territory Mobile Subscriber International ISDN Number of opposite end by alternate manner (as: by the data of this locality storage); Again for example: the CSI terminal is obtained PMI information from local terminal.Perhaps directly with random number as described sign.
The CSI terminal generates the opportunity with the unique corresponding identification of first session, includes but not limited to: the CSI terminal is when initiating first session; Perhaps after connecting first session, initiate before second session.
The CSI terminal generates described label manner, comprises one of following:
The CSI terminal is obtained the CS territory Mobile Subscriber International ISDN Number of opposite end, and with this Mobile Subscriber International ISDN Number as described sign.
The CSI terminal with the PMI information of local terminal as described sign.
The CSI terminal with the random number of unique corresponding first session as described sign.
The CSI terminal is obtained the CS territory Mobile Subscriber International ISDN Number of opposite end, and with after this Mobile Subscriber International ISDN Number and the random number combination, as described sign.For example: the CS territory Mobile Subscriber International ISDN Number of opposite end is 13901391234, then describedly is designated 13901391234006.
After the PMI information and random number combination of CSI terminal with local terminal, as described sign.For example: the PMI value of CSI terminal is 0007, then describedly is designated 0007003.
S2, CSI terminal are carried this sign in the conversation message that is mutually related that sends to network side.
In order to realize the intercommunication of CSI terminal and IMS terminal, in the message that the CSI terminal is sent, and in the message of follow-up initiation and second session first session association, need to carry this sign when handling first session.
Concrete, the CSI terminal is transmitted described sign by one of following manner to network side:
In the CS session, described sign is carried in the UUI information of the CS message that network side sends.
In the IMS session, described sign is carried in the existing header field or newly-increased header field of the IMS message that network side sends.For example: described IMS message is the IMS request message, and then described sign is carried in the UserAgent header field, perhaps is carried in the P-Asserted-Identity header field; Described IMS message is the IMS response message, and then described sign is carried in the Server header field; Perhaps be carried in the P-Asserted-Identity header field.
The sign of carrying in the message that S3, the identification of CSI interworking function entity are received.
After the CSI interworking function entity is received message, according to the position of carrying sign described in the type of this message and the step S2, the sign of carrying in the identification message.
The sign that S4, CSI interworking function entity will identify is mated with local sign of having preserved, if it fails to match, then changes step S5 over to; If the match is successful, then change step S6 over to.
The sign of carrying in S5, the described message of preservation, and write down the corresponding relation of this sign and first session.
Judge that the message of receiving belongs to described first session, need to preserve the sign of carrying in the described message, and write down the corresponding relation of this sign and first session, when arriving, finish coupling and operation associated in order to second session with first session association.
S6, finish association.
Judge that the message of receiving belongs to described second session, and according to the described sign of record and the corresponding relation of first session, with described first session and second session association.
Below specifically describe the method for correlating sessions of the present invention by 3 method embodiment.
CS between method embodiment 1, CSI terminal and the IMS terminal sets up earlier, the session association flow process of setting up behind the IMS.Referring to shown in Figure 5, comprise following concrete steps:
1, caller sends the S-CSCF of conversation request INVITE information to CSI terminal attaching IMS territory.
2, this conversation request of S-CSCF route is to CSI IW.
3, CSI IW carries out business logic processing.
4, CSI IW is initiated to the conversation request of Tel URI of CSI terminal to MGCF.
5, MGCF initiates the CS territory of CS call request information to the CSI terminal.After the CSI terminal is received this request message, from the signaling in CS territory, identify the session identification of the CS Mobile Subscriber International ISDN Number of opposite end as this session.
6, the CSI terminal sends CS call message to MGCF.
7, MGCF sends 200 OK response messages to CSI IW.
8, CSI IW sends 200 OK to S-CSCF.
9, S-CSCF transmits 200 OK and gives Calling Side.
10, the CSI terminal is initiated to the conversation request of the IMS of opposite end UE.Carry the Mobile Subscriber International ISDN Number information of opposite end in this request, as the sign of the former session that combines with this IMS session.The CSI terminal is carried this information in the UserAgent of SIP signaling header field.
The CSI terminal also can be carried this information in other SIP header field/message body.
When 11, CSI IW receives this conversation request, carry out the session coupling according to the Mobile Subscriber International ISDN Number information of receiving, the match is successful.
12, CSI IW is initiated to the session change request RE-INVITE message of opposite end to this a time conversation request and a last merged session.
13, S-CSCF transmits RE-INVITE message and gives distant terminal.
In this flow process, if first session is the caller of CSI terminal, IMS is terminal called, and the Mobile Subscriber International ISDN Number that the CSI terminal still can identify the opposite end carries this session identification as session identification when initiating second session.
The flow process of session association when the IMS session is set up earlier between method embodiment 2, CSI terminal and the IMS terminal.Referring to shown in Figure 6, comprise following concrete steps:
1, caller sends the S-CSCF of conversation request INVITE information to CSI terminal attaching IMS territory.
2, this conversation request of S-CSCF route is to CSI IW.
3, CSI IW carries out business logic processing.
4, CSI IW is initiated to the conversation request in the IMS territory of CSI terminal.
If carry the CS territory number of opposite end in 5 conversation messages, the CSI terminal can use this CS number as session identification.
If the CSI terminal can't be obtained the CS number of opposite end from signaling message, can obtain this information from other the approach of non-session.Such as, can from the data of this locality storage, obtain this information.
6, the CSI terminal sends 200 OK response messages.Carry the CS number information of opposite end in this message, show that having follow-up CS to call out will be attached to this IMS session.
7, the CSI terminal sends 200 OK to distant terminal.
8, S-CSCF receives this 200 OK response, is forwarded to distant terminal.
9, the CSI terminal is initiated to the CS conversation request of opposite end, and called number is the CS territory Mobile Subscriber International ISDN Number of opposite end.This request is routed to MGCF.
The CSI terminal also can be carried the opposite end in the UUI of CS signaling information called number information identifies the former session that combines with this calling as session identification.
10, MGCF sends the SIP INVITE to CSI IW, carries the Tel URI information of the CS number of opposite end in this sip message.
11, CSI IW obtains Mobile Subscriber International ISDN Number, and mates according to the opposite end TelURI information in the sip message.
12, the match is successful, and CSI IW sends RE-INVITE to distant terminal with this session and former merged session.
13, S-CSCF receives this RE-INVITE response, is forwarded to distant terminal.
Method embodiment 3, CSI terminal CS call out, and IMS caller and opposite end are carried out session and set up.Referring to shown in Figure 7, comprise following concrete steps:
1, the CSI terminal is initiated to the INVITE conversation request of opposite end, and this request is routed to CSI IW.
The CSI terminal is carried session label information, and is carried to network side in sip message when initiating this request.
The CSI terminal can be carried session identification in the User of sip message Agent header field.
2, CSI IW is initiated to the INVITE request of opposite end.
3, the CSI terminal is initiated to the CS call request of opposite end, and this request is routed to MGCF.
The CSI terminal is carried session label information in this message.
The CSI terminal can directly use called number in the CS signaling as the session identification of implicit expression, also can carry explicit session label information in UUI information.
4, MGCF is initiated to INVITE request, carries the implicit expression of shining upon in the CS message or explicit session label information in this request.This request is routed to CSI IW.
5, after CSI IW receives this conversation request, mate according to the session identification that carries in the session.
6, after the match is successful, CSI IW sent to the RE-INVITE request of opposite end to second session and previous merged session.
● corresponding said method, the present invention also provides a kind of CSI terminal, and referring to shown in Figure 8, it comprises interconnective sign generation unit and transfer unit; Further comprise and identify the information acquisition unit that generation unit links to each other.
Described sign generation unit is used for generating and the first session corresponding identification when described CSI terminal processes first session.
Described transfer unit is used for the message sent when handling first session, and carries the sign that the sign generation unit generates in the message of follow-up initiation and second session first session association, so that this sign is delivered to network side.
Described information acquisition unit is used for obtaining from the first session related news CS territory Mobile Subscriber International ISDN Number of opposite end, perhaps obtains the CS territory Mobile Subscriber International ISDN Number of opposite end by alternate manner (as: data of local storage), and offers the sign generation unit.Also can be used for obtaining the PMI information of this CSI terminal.
● corresponding said method, the present invention also provides a kind of CSI interworking function entity, and referring to shown in Figure 9, it comprises interconnective recognition unit and matching unit, preserve the unit with the sign that recognition unit and matching unit link to each other respectively, and the associative cell that links to each other with matching unit.
Described recognition unit is used for discerning the sign that message that the CSI terminal sends is carried.
Described matching unit, the sign that is used for that recognition unit is identified are preserved the sign of preserving the unit with sign and are mated, if it fails to match, judge that then the message of receiving belongs to first session, and preserve the unit to sign and send relevant indication; If the match is successful, judge that then the message of receiving belongs to second session with first session association, and send relevant indication to associative cell.
Described sign is preserved the unit, is used for the indication according to matching unit, preserves the sign that recognition unit identifies, and writes down the corresponding relation of this sign and first session.
Described associative cell is used for the indication according to matching unit, with described first session and second session association.
● corresponding said method and device, the present invention also provides a kind of system of correlating sessions, referring to shown in Figure 10, comprises interconnective CSI terminal and CSI interworking function entity.
Described CSI terminal is used for generating and the first session corresponding identification when handling first session, and in the message of sending when handling first session, and carries this sign in the message of follow-up initiation and second session first session association.
Described CSI interworking function entity, be used for after receiving the message that the CSI terminal is sent, discern the sign of carrying in this message, and mate with the sign that has preserved this locality, if it fails to match, judge that then the message of receiving belongs to described first session, preserve the sign of carrying in the described message, and write down the corresponding relation of this sign and first session; If the match is successful, judge that then the message of receiving belongs to described second session, and with described first session and second session association.
● in order to transmit correlating sessions information, the invention provides a kind of method of transmitting correlating sessions information, comprise the following steps:
CSI terminal or CSI interworking function entity with the opposite end interactive messages in carry correlating sessions information; And after the opposite end receives this message, identification and preserve described correlating sessions information from this message.
Further, described correlating sessions comprises: first session and second session, and wherein first session is the CS session, second session is the IMS session; Perhaps first session is the IMS session, and second session is the CS session;
In the CS session in correlating sessions, CSI terminal or CSI interworking function entity with the UUI information of the mutual CS message in opposite end in carry correlating sessions information; And after the opposite end receives this CS message, identification and preserve described correlating sessions information from the UUI information of this message.
In the IMS session in correlating sessions, CSI terminal or CSI interworking function entity with the existing header field of the mutual IMS message in opposite end or newly-increased header field in carry correlating sessions information; And after the opposite end receives this IMS message, identification and preserve described correlating sessions information from the header field of this IMS message.For example: described IMS message is the IMS request message, and then described correlating sessions information is carried in the User Agent header field, perhaps is carried in the P-Asserted-Identity header field; Described IMS message is the IMS response message, and then described correlating sessions information is carried in the Server header field; Perhaps be carried in the P-Asserted-Identity header field.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (13)

1. the method for a correlating sessions is characterized in that, comprises the following steps:
Generate during first session of CSI terminal processes and the first session corresponding identification, and in the message of when handling first session, sending, and in the message of follow-up initiation and second session first session association, carry this sign;
After the CSI interworking function entity is received the message that the CSI terminal sends, discern the sign of carrying in this message, and mate with the sign that has preserved this locality, if it fails to match, judge that then the message of receiving belongs to described first session, preserve the sign of carrying in the described message, and write down the corresponding relation of this sign and first session; If the match is successful, judge that then the message of receiving belongs to described second session, and with described first session and second session association.
2. the method for claim 1 is characterized in that, the CSI terminal generates described label manner, comprises one of following:
The CSI terminal is obtained the CS territory Mobile Subscriber International ISDN Number of opposite end, and with this Mobile Subscriber International ISDN Number as described sign;
The CSI terminal with the PMI information of local terminal as described sign;
The CSI terminal with the random number of corresponding first session as described sign;
The CSI terminal is obtained the CS territory Mobile Subscriber International ISDN Number of opposite end, and with after this Mobile Subscriber International ISDN Number and the random number combination, as described sign;
After the PMI information and random number combination of CSI terminal with local terminal, as described sign.
3. method as claimed in claim 2 is characterized in that, the CSI terminal is obtained the CS territory Mobile Subscriber International ISDN Number of opposite end from the first session related news, perhaps obtains the CS territory Mobile Subscriber International ISDN Number of opposite end by the data of this locality storage.
4. as each described method of claim 1 to 3, it is characterized in that the CSI terminal is transmitted described sign by one of following manner to network side:
In the CS session, described sign is carried in the UUI information of the CS message that network side sends;
In the IMS session, described sign is carried in the header field of the IMS message that network side sends.
5. method as claimed in claim 4 is characterized in that, described IMS message is the IMS request message, and then described sign is carried in the User Agent header field; Perhaps be carried in the P-Asserted-Identity header field;
Described IMS message is the IMS response message, and then described sign is carried in the Server header field; Perhaps be carried in the P-Asserted-Identity header field.
6. a CSI terminal is characterized in that, comprising:
The sign generation unit is used for generating and the first session corresponding identification when described CSI terminal processes first session;
Transfer unit is used for the message sent when handling first session, and carries the sign that the sign generation unit generates in the message of follow-up initiation and second session first session association, so that this sign is delivered to network side.
7. CSI terminal as claimed in claim 6 is characterized in that, also comprises:
Information acquisition unit is used for obtaining from the first session related news CS territory Mobile Subscriber International ISDN Number of opposite end, perhaps obtains the CS territory Mobile Subscriber International ISDN Number of opposite end by the data of this locality storage, and offers the sign generation unit.
8. a CSI interworking function entity is characterized in that, comprising:
Recognition unit is used for discerning the sign that message that the CSI terminal sends is carried;
Matching unit, the sign that is used for that recognition unit is identified are preserved the sign of preserving the unit with sign and are mated, if it fails to match, judge that then the message of receiving belongs to first session, and preserve the unit to sign and send relevant indication; If the match is successful, judge that then the message of receiving belongs to second session with first session association, and send relevant indication to associative cell;
Sign is preserved the unit, is used for the indication according to matching unit, preserves the sign that recognition unit identifies, and writes down the corresponding relation of this sign and first session;
Associative cell is used for the indication according to matching unit, with described first session and second session association.
9. the system of a correlating sessions is characterized in that, comprising:
The CSI terminal is used for generating and the first session corresponding identification when handling first session, and in the message of sending when handling first session, and carries this sign in the message of follow-up initiation and second session first session association;
The CSI interworking function entity, be used for after receiving the message that the CSI terminal is sent, discern the sign of carrying in this message, and mate with the sign that has preserved this locality, if it fails to match, judge that then the message of receiving belongs to described first session, preserve the sign of carrying in the described message, and write down the corresponding relation of this sign and first session; If the match is successful, judge that then the message of receiving belongs to described second session, and with described first session and second session association.
10. a method of transmitting correlating sessions information is characterized in that, comprises the following steps:
CSI terminal or CSI interworking function entity with the opposite end interactive messages in carry correlating sessions information; And
After this message is received in the opposite end, from this message, discern and preserve described correlating sessions information.
11. method as claimed in claim 10 is characterized in that, in the CS session in described correlating sessions, CSI terminal or CSI interworking function entity with the UUI information of the mutual CS message in opposite end in carry correlating sessions information; And after the opposite end receives this CS message, identification and preserve described correlating sessions information from the UUI information of this message.
12. method as claimed in claim 10 is characterized in that, in the IMS session in described correlating sessions, CSI terminal or CSI interworking function entity with the header field of the mutual IMS message in opposite end in carry correlating sessions information; And after the opposite end receives this IMS message, identification and preserve described correlating sessions information from the header field of this IMS message.
13. method as claimed in claim 12 is characterized in that, described IMS message is the IMS request message, and then described correlating sessions information is carried in the User Agent header field; Perhaps be carried in the P-Asserted-Identity header field;
Described IMS message is the IMS response message, and then described correlating sessions information is carried in the Server header field; Perhaps be carried in the P-Asserted-Identity header field.
CN 200610170357 2006-12-29 2006-12-29 Method, device, and system for correlating sessions Active CN101212522B (en)

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CN104539586A (en) * 2014-12-08 2015-04-22 中兴通讯股份有限公司 Session management method and device
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