CN100479440C - System and method for communication of circuit exchange network and IP multimedia subsystem network - Google Patents
System and method for communication of circuit exchange network and IP multimedia subsystem network Download PDFInfo
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- CN100479440C CN100479440C CNB2005101126879A CN200510112687A CN100479440C CN 100479440 C CN100479440 C CN 100479440C CN B2005101126879 A CNB2005101126879 A CN B2005101126879A CN 200510112687 A CN200510112687 A CN 200510112687A CN 100479440 C CN100479440 C CN 100479440C
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Abstract
The invention discloses a method of making circuit swithicng network intercommunicate with IMS network, comprising: circuit switching network calling control functional entity makes service triggering detection and sends service request information to service edge agency after triggering succeeds; service edge agency maps service request information in circuit switching network into service request information of IMS network and transmits the mapped service request information to IMS application server so that IMS application server makes service logic control; service edge agency controls the follow-up service flow of circuit switching network calling control functional entity according to service control information of IMS application server. And the invention also discloses a system of making circuit switching network intercommunicate with IMS network. And the invention can make users of circuit switching network able to use terminal exchange provided supplementary service and intelligent network provided intelligent service and use IMS application server provided other services.
Description
Technical field
The present invention relates to a kind of communication technology, relate in particular to the system and method for a kind of Circuit Switching Network and IMS network interworking.
Background technology
IMS (IP Multimedia System) is an IP Multimedia System in WCDMA (Wideband Code Division Multiple Access (WCDMA)) network of 3GPP R5/R6 standard definition, be that 3G (the 3rd generation) mobile network is realized packet voice and grouped data, 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, has realized that the three that service management, session control and carrying insert separates.
In IMS, business provides by application server (AS) is unified, and session control is finished by S-CSCF (service call Session Control Unit), and both separate on network configuration fully, and business is toggled to AS by S-CSCF and handles, can collaborative work between a plurality of AS.The user inserts IMS by the on-site visit domain node of current location P-CSCF (agent call Session Control Unit), session and professional control are always finished by its signatory on-site home domain node, therefore the user can obtain same service at diverse access point, and the session control of IMS and service control function and access are irrelevant.The user contracting data of IMS concentrates on management among the HSS (home signature user server).
Circuit Switching Network general reference in traditional PSTN and PLMN network, the communication network of all kinds of business service that provide for fixed-line subscriber and mobile subscriber.
It is to realize supplementary service in end office (EO) that Circuit Switching Network provides professional mode to the user, and the IN service of network is reported to the SCP (service control point) of intelligent network to control by SSP (Service Switching Point).
In existing circuit-switched network, can provide IN service to the user of described circuit-switched network by intelligent network.The SSP of Circuit Switching Network reports the SCP of intelligent network according to service trigger criteria with user's call information, and by INAP/CAP (Intelligent Network Application Protocol/CAMEL application program part) primitive, control SSP carries out follow-up call proceeding to SCP according to service logic.Yet the user of Circuit Switching Network can't be linked into the IMS network, and business control that therefore can't share I MS causes the business of IMS can't benefit the user of Circuit Switching Network.
Summary of the invention
The purpose of the embodiment of the invention provides the system and method for a kind of Circuit Switching Network and IMS network interworking, thus the business that can make the user of Circuit Switching Network's (comprising PSTN network and PLMN network C S territory) can use the IMS network to provide.
The embodiment of the invention discloses a kind of service edge agency, be used to realize that IP Multimedia System IMS network provides professional to circuit-switched network, comprising:
The circuit domain signaling processing module is used for the business request information of treatment circuit switching network Call Control Functional Entity;
Professional detection trigger module is used for according to subscription data business request information being carried out IMS Network detection trigger;
The IMS signaling processing module is used for described professional detection trigger module is triggered the business request information that the successful service request message is mapped as the IMS net, and the business request information of the IMS net after then will shining upon is issued the IMS application server; Described IMS signaling processing module sends the control messages of follow-up business flow process according to the professional control messages of the IMS application server that receives to the Call Control Functional Entity of circuit-switched network by the circuit domain signaling processing module.
The embodiment of the invention also discloses the system of a kind of Circuit Switching Network and IMS network interworking, described system comprises: Circuit Switching Network's Call Control Functional Entity, home signature user server, service edge agency and IMS application server;
Home signature user server is used for the subscription data of memory circuit switching network user at the IMS network;
Circuit Switching Network's Call Control Functional Entity is used to be triggered to service edge agency's business detection, will detect triggering successful service request message then and issue the service edge agency by first interface; And receive the follow-up business control information that the service edge agency sends, to carry out follow-up business and to call out control;
The service edge agency, be used for business request information by the first interface receiving circuit switching network Call Control Functional Entity, and the business request information of circuit-switched network is carried out IMS Network detection trigger according to the subscription data in the home signature user server, to trigger the business request information that the successful service request message is mapped to IMS net then, and by and IMS between the IMS of professional control interface after will the shine upon business request information of netting issue the IMS application server; Described service edge agency also receives the professional control messages of IMS application server by second interface, send the control messages of follow-up business flow process then to the Call Control Functional Entity of circuit-switched network by first interface;
The IMS application server is used to realize the control of IMS Network logic.
The embodiment of the invention also discloses the method for a kind of Circuit Switching Network and IMS network interworking, comprising:
Circuit Switching Network's Call Control Functional Entity carries out professional detection trigger, and triggering successfully, the back sends business request information to the service edge agency;
Service edge agency is mapped to the business request information of IMS network with the business request information in the circuit-switched network, and the business request information after will shine upon is forwarded to the IMS application server, controls so that the IMS application server carries out service logic;
The service edge agency is according to the follow-up business flow process of the professional control messages control circuit switching network Call Control Functional Entity of IMS application server.
According to the embodiment of the invention, the IN service that can make the user of Circuit Switching Network not only can use supplementary service that end office (EO) provides and intelligent network to provide, the business of other that can use also that the IMS application server provides.
Description of drawings
Fig. 1 shows the network structure according to the Circuit Switching Network of the embodiment of the invention and IMS network interworking;
CS territory user terminal was the call flow diagram of caller when the service edge agency that Fig. 2 shows the embodiment of the invention was positioned at PLMN end office (EO);
CS territory user terminal was called call flow diagram when the service edge agency that Fig. 3 shows the embodiment of the invention was positioned at PLMN end office (EO);
CS territory user terminal was the call flow diagram of caller when the service edge agency that Fig. 4 shows the embodiment of the invention was positioned at PLMN tandem exchange;
CS territory user terminal was called call flow diagram when the service edge agency that Fig. 5 shows the embodiment of the invention was positioned at PLMN tandem exchange;
Call flow diagram when the service edge agency that Fig. 6 shows the embodiment of the invention is positioned at the PSTN intelligent network SCP;
Network call attempt flow chart when the service edge agency that Fig. 7 shows the embodiment of the invention is positioned at the PSTN intelligent network SCP;
Multi-link control flow chart when the service edge agency that Fig. 8 shows the embodiment of the invention is positioned at the PSTN intelligent network SCP;
Short message control flow chart when the service edge agency that Fig. 9 shows the embodiment of the invention is positioned at the PSTN intelligent network SCP;
Business information when the service edge agency that Figure 10 shows the embodiment of the invention is positioned at the PSTN intelligent network SCP is collected and the flow chart of control service logic.
Embodiment
Understand and realization the present invention the existing embodiments of the invention of describing in conjunction with the accompanying drawings for the ease of persons skilled in the art.
As shown in Figure 1, the embodiment of the invention provides the system of a kind of Circuit Switching Network and IMS network interworking.Described system comprises: circuit switching network users/Access Network, Circuit Switching Network's Call Control Functional Entity, HSS/HLR, CS-IMS service edge agency (hereinafter to be referred as the service edge agency) and IMS logic of business functions entity (IMS application server).Circuit Switching Network and IMS network interworking system to the embodiment of the invention is described in detail below.
Circuit switching network users/Access Network is used to finish the access of circuit switching network users, and sends business request information to Circuit Switching Network's Call Control Functional Entity.
Circuit Switching Network's Call Control Functional Entity is used to finish the basic call to circuit switched network subscriber, professional control, and the function that is triggered to service edge agency's business detection.For the business that realizes that circuit switched network subscriber can use the IMS network to provide, this functional entity is also supported following function:
(1), support and service edge agency's interface (interface 1), this interface is an internal interface when service edge is acted on behalf of physical location and is arranged on circuit-switched network end office (EO) or is arranged on the tandem exchange of circuit-switched network, when service edge is acted on behalf of the INAP/CAP interface of reusing when physical location is arranged on circuit-switched network intelligent network SCP position between service control function and the Service Switching Function.
(2), support that business is triggered the successful service request message is routed to the service edge agency.Ifs circuit switching network Call Control Functional Entity carries out the success of professional detection trigger, by with service edge agency's interface (interface 1), business request information is sent to the service edge agency.
(3), the supporting business edge proxies is to the control of follow-up business flow process.By with service edge agency's interface (interface 1), receive the subsequent control information of service edge agency, so that carry out the subsequent action of corresponding business flow process according to subsequent control information to calling out.
(4), this functional entity carries out service edge agency's addressing according to the service edge agency of user in the subscription data of circuit-switched network address information, perhaps carries out service edge agency's addressing according to fixing data configuration information.
HSS preserves subscription data and the dynamic log-on message of the IMS network user at the IMS network, and supports the query interface of log-on message and the download interface of subscription data.The business that the support circuit-switched network user uses the IMS network to provide is provided, HSS also supports following function:
Preserve the subscription data of circuit switched network subscriber, support the download of subscription data at the IMS network.
HLR preserves the subscription data and the location updating message of circuit switched network subscriber, and the insertion of the query interface of assisting positional information and user data and updating interface.The business that the support circuit-switched network user uses the IMS network to provide is provided, HLR also supports following function:
(1), optionally, HLR preserves service edge agency's address information in the circuit switched network subscriber subscription data.
(2), optionally, HLR can store the user data of PSTN, and supports user's inquiry, updating interface.
Consider different networking demands, HLR and HSS can close and establish, and also can set up separately.
The service edge agency is used to realize the intercommunication of circuit-switched network and IMS network, and described service edge agency comprises:
The circuit domain signaling processing module is used for the business request information of treatment circuit switching network Call Control Functional Entity;
Professional detection trigger module is used for according to subscription data business request information being carried out IMS Network detection trigger;
The IMS signaling processing module is used for and will triggers the business request information that the successful service request message is mapped as the IMS net, then the business request information of IMS net is issued the IMS application server; Described IMS signaling processing module is according to the professional control messages of the IMS application server that receives, and the Call Control Functional Entity by circuit domain signaling processing module control circuit switching network carries out the control of follow-up business flow process;
The IMS application server is used to realize the control of IMS Network logic.
Be provided with communication interface between other functional entity in service edge agency and the system,, introduce the interface between them below to realize communication each other.
Interface between service edge agency and the IMS application server is the professional control interface (also claiming interface 4) of IMS, can use the SIP signaling interface.
Interface between service edge agency and the circuit-switched network controlling call entity adopts internal interface (also claiming interface 1); The position of service edge agent functionality is arranged on the position of Circuit Switching Network's Call Control Functional Entity at this moment, and the agency is unrestricted to the professional control ability of Circuit Switching Network's Call Control Functional Entity for service edge.
Interface between service edge agency and the Circuit Switching Network's Call Control Functional Entity adopts CAP, INAP signaling interface (also claiming interface 1).At this moment, service edge agency is arranged on circuit-switched network intelligent network SCP position, limited by CAP interface capability or INAP interface capability to the professional control ability of Circuit Switching Network's Call Control Functional Entity.
In the system of Circuit Switching Network and IMS network interworking, can finish the charging of subscriber line circuit territory business at the SCP of end office (EO), tandem exchange or the intelligent network of circuit-switched network, the IMS application server is finished the charging that the user uses the IMS business.
The embodiment of the invention also provides a kind of method that realizes circuit-switched network and IMS network interworking by the service edge agency, thereby the business that makes circuit switched network subscriber can use the IMS network to provide, particularly, the circuit switching network users is initiated business request information to Circuit Switching Network's Call Control Functional Entity, the Call Control Functional Entity of Circuit Switching Network carries out professional detection trigger according to business request information, if professional the triggering successfully, the agency sends business request information to service edge; The service edge agency carries out the professional detection trigger to IMS, if professional the triggering successfully, service edge is acted on behalf of the business request information (as being mapped to sip message) that the business request information in the circuit-switched network is mapped to the IMS network, and the sip message after will shining upon is forwarded to the application server of IMS network; The service edge agency carries out the control of the follow-up service logic of circuit-switched network according to the service processing result of IMS application server, finishes professional entire flow.
Receive the business request information of circuit switched network subscriber/Access Network when Circuit Switching Network's Call Control Functional Entity after, Circuit Switching Network's Call Control Functional Entity carries out business according to business request information to the service edge agency to be triggered, and Circuit Switching Network's Call Control Functional Entity has following several to service edge agency's professional triggering mode:
(1), Circuit Switching Network's Call Control Functional Entity carries out professional detection trigger according to the user at the subscription data of circuit-switched network in the customer service processing procedure;
(2), geographically unify when being provided with, Circuit Switching Network's Call Control Functional Entity carries out professional detection trigger according to circuit switched network subscriber at the subscription data of intelligent network when service edge agency and the SCP functional entity of circuit-switched network intelligent network;
(3), Circuit Switching Network's Call Control Functional Entity is routed to the service edge agency according to the fixed configurations data with business request information.
After service edge is acted on behalf of the business request information of the Call Control Functional Entity of receiving circuit-switched network, business request information is mapped to the business request information (as sip request message) of IMS network, then business request information is issued the application server of IMS network.The business triggering that service edge is acted on behalf of the IMS application server has following two kinds of modes:
(1), the service edge agency carries out professional detection trigger according to circuit switched network subscriber at the subscription data of IMS network.
(2), the service edge agency is configured into industry affair detection trigger according to local data.
The function that the service edge agency controls the subsequent conditioning circuit exchange network traffic according to the interaction results of IMS application server.Described in two kinds of situation below, a kind of situation is that service edge is acted on behalf of when being positioned at end office (EO) or tandem exchange, and another kind of situation is that service edge is acted on behalf of when being positioned at the SCP of intelligent network.
(1), when service edge agency is positioned at end office (EO) or tandem exchange, the service edge agency by and end office (EO), tandem exchange's Call Control Functional Entity between internal interface user's professional follow-up flow process is controlled.When service edge agency is positioned at the position of end office (EO), tandem exchange of circuit-switched network, the service edge agency is after receiving the professional control messages of IMS network, by finishing following function with the internal interface control circuit switching network Call Control Functional Entity of end office (EO), tandem exchange's Call Control Functional Entity:
(a), the basic call controlled function, include but not limited to that indication continues to continue, changes number or other calling parameters continue to continue, refuse to call out etc.
(b), finish the function of network-originated call.
(c), finish the function of multi-link control, and the control of session, professional pilot process.
(d), to the control of short message.
(e) if comprise video information in end office's energy perception customer call or the service request, and transmit this information by service edge agency with internal interface between Circuit Switching Network's Call Control Functional Entity, service edge act on behalf of can by with the mutual control user video service logic of IMS application server.
(2), when the service edge agency is positioned at the SCP of intelligent network, service edge the agency control user's professional follow-up flow process by the interface of the CAP between intelligent network SCP in the circuit-switched network and the SSP/INAP interface, at this moment, the service edge agency need finish following function.
(a), the service edge agency finishes the controlled function of basic call.
When the service edge agency is positioned at the position of circuit-switched network intelligent network SCP, by finishing the function that basic call is controlled with the basic primitives interoperation of INAP/CAP interface of circuit-switched network.Described primitive is used for basic call control, and indication continues to continue, change number or other calling parameters continue to continue, and refusal is called out or/and call out operation such as playback.
The primitive that is used for the basic call controlled function comprises:
activityTest，
applyCharging{}，
applyChargingReport{}，
assistRequestInstructions{}，
callGap{}，
callInformationReport{}，
callInformationRequest{}，
cancel{}，
collectInformation{}，
connect{}，
connectToResource{}，
continue，
continueWithArgument{}，
disconnectForwardConnection，
disconnectForwardConnectionWithArgument{}，
disconnectLeg{}，
entityReleased{}，
establishTemporaryConnection{}，
eventReportBCSM{}，
furnishChargingInformation{}，
initialDP{}，
initiateCallAttempt{}，
moveLeg{}，
playTone{}，
releaseCall{}，
requestReportBCSMEvent{}，
resetTimer{}，
sendChargingInformation{}，
(b), the service edge agency finishes the function of network-originated call.
When service edge agency was positioned at the position of circuit-switched network intelligent network SCP, the function of network-originated call finished in the primitive that starts call attempt by the INAP/CAP interface with circuit-switched network.Start the calling of call attempt controlling packet includes network side initiation to terminal, the primitive of finishing this function includes but not limited to: InitiateCallAttempt.
(c), service edge agency can finish the controlled function of multi-link control and session, professional pilot process.
When the service edge agency is positioned at the position of circuit-switched network intelligent network SCP, finish the function of this multi-link control by the CPH between circuit-switched network intelligent network SCP and the SSP (calling party processing) mechanism.The function of multi-link control includes but not limited to call out partition, calls out controlled function such as merging, and the primitive of finishing this function includes but not limited to: SplitLeg, MergeLeg, MoveLeg.
(3), service edge agency carries out interactive operation by USSD between the SCP in end office (EO), tandem exchange, the intelligent network and the user UE and user, this interactive operation can finish terminal and service edge between acting on behalf of specific user-defined various information and the transmission of instruction.
Introduce the addressing system of each network functional entity under this network architecture below.
(1), Circuit Switching Network's Call Control Functional Entity carries out addressing according to the agency's of the service edge in the user contracting data address information.
(2), circuit-switched network controlled function entity carries out service edge agency's addressing according to the fixed data of this locality.
(3), service edge is acted on behalf of the addressing system of IMS application server: the service edge agency carries out addressing according to the address information of the IMS application server of user in the subscription data of IMS network.
Introduce service edge below and act on behalf of the opportunity in the service contracting data of IMS from HSS download circuit switching network user:
(1), service edge agency takes to upgrade in the success of user's initial registration or position the subscription data of handling successfully afterwards from the HSS download user during at the registration of circuit-switched network or mobile management signaling information the perception user.
(2), the Circuit Service edge proxies is in the method (such as when the preliminary examination of CS-IMS service edge functional entity changes into merit) of can't the perception user taking to download to HSS in the fixing moment subscription data during at the registration of circuit-switched network or mobile management signaling information.
(3), the service edge agency downloads this subscription data from HSS at every turn, and carries out buffer memory in this locality when needing to use this subscription data.
(4), optionally, the service edge agency can take the method in IMS Network data this locality preservation user, thereby does not need to download this data from HSS.
According to the embodiment of the invention, service edge is acted on behalf of in order to carry out the control of customer service, needs perception or acquisition user's relevant information, and the method that the service edge agency collects user profile includes but not limited to following method:
(1), service edge agency take by and Circuit Switching Network's Call Control Functional Entity between the information (comprising call signaling, PLMN mobile management signaling etc.) of internal interface perception circuit switched network subscriber.
(2), service edge agency takes to tackle the call control signalling of circuit-switched network, thereby the signaling information of perception circuit switched network subscriber (comprising call signaling, PLMN mobile management signaling etc.).The mode of employing signaling catching can reduce the influence to legacy network well.Can adopt following hold-up interception method.
When the MSC of circuit-switched network apparatus modifications data configuration, the MAP message that need send to HLR is originally sent to the service edge agency; On the other hand, when HLR revises data configuration, the signaling that need send to MSC is originally sent to the service edge agency earlier.In order not influence original handling process, the service edge agency is transmitted to HLR with the origination message that the MSC that intercepts mails to HLR, and the origination message that the HLR that intercepts is mail to MSC is transmitted to MSC.
(3), service edge agency by and user UE between the information transmitted of USSD obtain service related information.
(4), service edge agency by and HLR between J interface (ATI operation) inquiry collect user's login state and positional information, be used for the auxiliary input information controlled as service logic.
Described the principle and the correlation technique of the embodiment of the invention above, described the present invention below by embodiment.
Embodiment one
This embodiment supposes that the service edge agency is positioned under circuit-switched network end office (EO) (is example with the mobile network) situation, is respectively that caller and called two kinds of situations illustrate its flow process with the circuit switched network subscriber.
As shown in Figure 2, circuit switched network subscriber is under the situation of caller, and its call flow is as follows:
Step 201, user terminal are initiated CM (connection management) business request information to the Call Control Functional Entity of mobile network end office (EO).The ifs circuit switching network is PSTN, and then the signaling between user terminal and the end office (EO) may be the IAM message of ISUP, or other call control message.
The Call Control Functional Entity of step 202, mobile network end office (EO) carries out user's professional detection trigger at the subscription data of Circuit Switching Network according to the user, if trigger successfully, Call Control Functional Entity sends to the service edge agency by internal interface with user's message related to calls.
Service edge agency according to provided by the invention from the opportunity of HSS download user in IMS network contraction data, use interface 3 from HSS download user data, perhaps, the service edge agency carries out professional detection trigger according to the user of this locality storage at the subscription data of IMS network, if trigger successfully, the service edge agency obtains the address information of IMS application server from user's subscription data.
Step 203, service edge agency are converted to sip message with the call information of circuit switched network subscriber, send the SIP INVITE by the interface with the IMS application server to the IMS application server then.
The service edge agency can repeatedly be triggered to different IMS application servers to carry out service logic control with service message according to subscription data.For simplicity, only draw the here flow process of an IMS application server.
Step 204, IMS application server carry out service logic control.
Step 205, IMS application server are issued the service edge agency with the logic control result with SIP INVITE form, so that it is issued terminal called.
After step 206, service edge agency receives that the IMS application server sends to called SIP INVITE, by with the internal interface of mobile network end office (EO), message is sent to the Call Control Functional Entity of end office (EO).
The Call Control Functional Entity of mobile network end office (EO) sends the CM service request to called.The ifs circuit switching network is the PSTN network, and then end office (EO) may be the IAM message of ISUP to the signaling message that terminal sends, or other call control information.
Step 207 also has more SIP/CS Signalling exchange between caller mobile subscriber terminal and called user terminal, do not repeat them here.
After addressing follow-up interacting message on step 208, the process, caller and called between successfully set up to call out.
As shown in Figure 3, under circuit switched network subscriber was called situation, its call flow was as follows:
The Call Control Functional Entity of step 301, mobile network end office (EO) is received called request message IAM, and the message here also can be the short message signaling of MAP, or other call control signalling.
The Call Control Functional Entity of step 302, mobile network end office (EO) carries out user's professional detection trigger at the subscription data of Circuit Switching Network according to the user, if trigger successfully, Call Control Functional Entity sends to the service edge agency by internal interface with user's message related to calls.
The service edge agency carries out professional detection trigger according to the user at the subscription data of IMS network, if trigger successfully, the service edge agency obtains the address information of IMS application server from user's subscription data.
Step 303, service edge agency are converted to sip message with the call information of circuit switched network subscriber, send the SIP INVITE by the interface with the IMS application server to the IMS application server then.
The service edge agency can repeatedly be triggered to different IMS application servers to carry out service logic control with service message according to subscription data.For simplicity, only draw the here flow process of an IMS application server.
Step 304, IMS application server carry out service logic control.
The IMS application server can be according to the needs of service logic, use ATI to instruct HLR inquiry called subscriber's positional information etc., are used as the input information of service logic control.
Step 305, IMS application server are issued the service edge agency with the logic control result by the SIP INVITE.
After step 306, service edge agency receives that the IMS application server sends to user's SIP INVITE, by with the internal interface of mobile network end office (EO), message is sent to the Call Control Functional Entity of end office (EO).The Call Control Functional Entity of mobile network end office (EO) sends the CM service request to the user.
Step 307 also has more SIP/CS Signalling exchange between caller mobile subscriber terminal and called user terminal, do not repeat them here.
Address follow-up interacting message on step 308, the process, access success is set up.
Embodiment two
This embodiment supposes that the service edge agency is positioned under circuit-switched network tandem exchange (is example with the mobile network) situation, is respectively that caller and called two kinds of situations illustrate its flow process with the circuit switched network subscriber.
As shown in Figure 4, circuit switched network subscriber is under the situation of caller, and its call flow is as follows:
Step 401, user terminal are initiated the CM business request information to the Call Control Functional Entity of mobile network end office (EO).If the PSTN network, the message here can be the IAM message of ISUP or other call control signalling message.
Step 402, end office's Call Control Functional Entity are routed to call signaling the Call Control Functional Entity of tandem exchange according to the route controlling mechanism.
The Call Control Functional Entity of step 403, tandem exchange is received the message related to calls of end office (EO), by internal interface user's message related to calls is sent to the service edge agency.
The service edge agency carries out professional detection trigger according to the user at the subscription data of IMS network, if trigger successfully, the service edge agency obtains the address information of IMS application server from user's subscription data.
The interface of step 404, service edge agency by itself and IMS application server is converted to the call control information of IMS network with the call information of circuit switched network subscriber, as the SIP signaling, again the SIP signaling is sent to the IMS application server.
The service edge agency can repeatedly be triggered to different IMS application servers with service message and carry out service logic control according to subscription data.For simplicity, only draw the here flow process of an IMS application server.
Step 405, IMS application server carry out service logic control.
Step 406, IMS application server send the SIP INVITE and act on behalf of to service edge.
After step 407, service edge agency receives that the IMS application server sends to called SIP INVITE, by with the internal interface of mobile network tandem exchange, message is sent to the Call Control Functional Entity of tandem exchange.The Call Control Functional Entity of mobile network tandem exchange sends IAM message to called mobile network end office (EO).
Step 408, called mobile network end office (EO) send the CM business request information to terminal called.If the PSTN network, the message here can be the IAM message of ISUP or other call control signalling message.
Step 409 also has more SIP/CS Signalling exchange between caller mobile subscriber terminal and called user terminal, do not repeat them here.
Address follow-up interacting message on step 410, the process, caller and called between successfully set up to call out.
As shown in Figure 5, circuit switched network subscriber is that its call flow is as follows under the called situation:
The Call Control Functional Entity of step 501, mobile network end office (EO) is received its innings IAM message to the called subscriber.
Step 502, end office's Call Control Functional Entity carry out professional detection trigger according to the user at the subscription data of circuit-switched network, if detect successfully, to the Call Control Functional Entity transmission IAM of tandem exchange message.
The Call Control Functional Entity of step 503, tandem exchange is received the IAM message of end office (EO), by internal interface user's message related to calls is sent to the service edge agency.
The service edge agency carries out professional detection trigger according to the user at the subscription data of IMS network, if trigger successfully, the service edge agency obtains the address information of IMS application server from user's subscription data.
The interface of step 504, service edge agency by itself and IMS application server is converted to the call control information of IMS network with the call information of circuit switched network subscriber, as the SIP signaling, again the SIP signaling is sent to the IMS application server.
The service edge agency can repeatedly be triggered to different IMS application servers with service message and carry out service logic control according to subscription data.For simplicity, only draw the here flow process of an IMS application server.
Step 505, IMS application server carry out service logic control.The IMS application server can be according to the needs of service logic, use ATI to instruct HLR inquiry called subscriber's positional information etc., are used for input information as service logic control.
Step 506, IMS application server send the SIP INVITE to the service edge agency.
After step 507, service edge agency receives that the IMS application server sends to called SIP INVITE, by with the internal interface of mobile network tandem exchange, message is sent to the Call Control Functional Entity of tandem exchange.The Call Control Functional Entity of mobile network tandem exchange sends the mobile network end office (EO) of IAM message to the called subscriber,
Step 508, called mobile network end office (EO) send the CM service request to the called subscriber.If the PSTN network, message can be IAM message or other call control signalling message.
Step 509 also has more SIP/CS Signalling exchange between caller mobile subscriber terminal and called user terminal, do not repeat them here.
Address follow-up interacting message on step 510, the process, caller and called between successfully set up to call out.
Embodiment three
This embodiment supposes that the service edge agency is positioned under SCP (is example with the PSTN network) situation of circuit-switched network intelligent network, in the present embodiment, introduces basic call flow process, network call attempt flow process respectively, multi-link control flow, short message control flow.
As shown in Figure 6, basic call flow process under the SCP situation that service edge agency is positioned at the circuit-switched network intelligent network is described below:
Step 601, public switched telephone network (PSTN) user initiate the SETUP request message to end office (EO)/SSP.
Step 602, end office (EO)/SSP send InitialDP message to intelligent network SCP, report customer call information.
Step 603, service edge agency carry out professional detection trigger according to the user at the subscription data of IMS network, if trigger successfully, the service edge agency obtains the address information of IMS application server from user's subscription data.
The interface of step 604, service edge agency by itself and IMS application server is converted to the call control information of IMS network with the call information of circuit switched network subscriber, as the SIP signaling, again the SIP signaling is sent to the IMS application server.
Step 605, IMS application server carry out service logic control.
Step 606, IMS application server are controlled the result with service logic and are issued the service edge agency with SIP INVITE form, so that it is issued called.
After step 607, service edge agency received that the IMS application server sends to called SIP INVITE, second internal interface by itself and intelligent network SCP sent to intelligent network SCP with message.Intelligent network SCP sends RequestReportBCSMEvent message to end office (EO)/SSP, and the indication SSP of end office (EO) reports follow-up message related to calls.Intelligent network SCP sends to the service edge agency by second internal interface with user's call information.
Step 608, intelligent network SCP send Continue message to end office (EO), and follow-up calling action is proceeded in indication.
Step 609--615, end office (EO) carry out the action of follow-up call setup, caller and called between successfully set up and call out.
As shown in Figure 7, the service edge agency has used the InitiateCallAttempt primitive between SCP and the SSP to realize network call attempt feature capability, introduces network call attempt flow process below:
Step 701, IMS application server are initiated the INVITE request to service control point (SCP)/service edge agency.
Step 702, service control point (SCP)/service edge agency initiate the InitiateCallAttempt request to Service Switching Point
Step 703, intelligent network SCP send to the service edge agency by second internal interface with user's call information.The service edge agency sends RequestReportBCSMEvent message to Service Switching Point, and the indication SSP of end office (EO) reports follow-up message related to calls.
Step 704, service edge agency send Continue message to Service Switching Point, and the business of being used to refer to is proceeded.
Step 705, Service Switching Point send SETUP message to the terminal use.
Step 706, terminal use send Altering message to Service Switching Point.
Step 707, terminal send Connect message to Service Switching Point.
Step 708, Service Switching Point send EventReportBCSM message to service control point/service edge agency, reporting service information.
Step 709, service control point/service edge agency send 200 message to the IMS application server.
Step 710, end office (EO) carry out the action of follow-up call setup, caller and called between successfully set up and call out.
Fig. 8 shows multi-link control flow, and in multi-link control flow, the service edge agency uses the CPH mechanism between SCP and the SSP to realize this function, as shown in Figure 8, multi-link control flow is described below.
Step 801, terminal 1 send the SETUP request to Service Switching Point.
Step 802, Service Switching Point send InitiateDP message to service control point/service edge agency.
Step 803, service control point/service edge agency send INVITE to the IMS application server.
Step 804, IMS application server carry out service logic control.
Step 805, IMS application server determine to called transmission business request information according to service logic.The IMS application server sends INVITE to service control point/service edge agency.
Step 806, service control point/service edge agency send RequestReportBCSMEvent message to Service Switching Point, report follow-up message related to calls with indication end office (EO) Service Switching Point.
Step 807, service control point/service edge agency send Connect primitive message to Service Switching Point, comprising called terminal number.
Step 808, Service Switching Point send SETUP message to terminal called (being terminal 2 among the figure).
Step 809, terminal called send Altering message to Service Switching Point.
Step 810, Service Switching Point send Alterting message to calling terminal (being terminal 1 among the figure).
Step 811, terminal called send Connect message to Service Switching Point.
Step 812, Service Switching Point send EventReportBCSM message to service control point/service edge agency.
Step 813, service control point/service edge agency send 200 message to the IMS application server.
Step 814, IMS application server send the Calling Side of 200 message to service control point/service edge agency.
Step 815, service control point/service edge agency send Continue message to Service Switching Point.
Step 816, Service Switching Point send Connect message to calling terminal.
Step 817, the decision of IMS application server join terminal 3 in the session of terminal 1 and terminal 2.
Step 818, IMS application server send INVITE to service control point/service edge agency, the number of carried terminal 3 in the message, carry the JOIN header field, the value of JOIN header field is the Call-ID value of the session of terminal 1 and terminal 2, FROM tag value and To Tag value.
Step 819, service control point/service edge agency send ICA message to Service Switching Point.
Step 820, service control point/service edge agency send RequestReportBCSMEvent message, and the indication SSP of end office (EO) reports follow-up message related to calls.
Step 821, Service Switching Point send SETUP message to terminal 3.
Step 822, terminal 3 send Altering message to Service Switching Point.
Step 823, terminal 3 send Connect message to Service Switching Point.
Step 824, Service Switching Point send EventReportBCSM message to service control point/service edge agency, report Connect message.Service control point/service edge agency sends Continue message to Service Switching Point.
Step 825, service control point/service edge agency send 200 message to the IMS application server.
Step 826, service control point/service edge agency send MergeLeg message to Service Switching Point, terminal 3 are joined in the session of terminal 1 and terminal 2.
Fig. 9 shows the control flow of short message, and in the control flow of short message, the service edge agency uses the short message primitive between SCP and the SSP to realize the short message controlled function, as shown in Figure 9, the control flow of short message is described below.
Step 901, calling terminal are to the Service Switching Point request message that sends SMS message.
Step 902, Service Switching Point send InitiateDPSMS primitive to service control point/service edge agency.
Step 903, service control point/service edge agency send RequestReportSMSEvent message to Service Switching Point, and the indication SSP of end office (EO) reports follow-up information.
Step 904, service control point/service edge agency determine the address information of purpose IMS application server.
Step 905, service control point/service edge agency send MESSAGE message to the IMS application server.
Step 906, IMS application server carry out logic control.Possible controlled function to short message includes but not limited to revise SMS service center address, and revise short message and receive short codes information, and according to certain strategy refusal short message.
For the MT flow process of short message, the IMS application server also can be revised short message receiving number information to the short message SMS service center address information of making amendment, and control such as refusal short message.
Step 907, IMS application server send MESSAGE message to Service Switching Point/service edge agency.
Step 908, Service Switching Point/service edge agency send ConnectSMS message to Service Switching Point, indication short message next-hop address information.
Step 909, Service Switching Point send MAP-Forward-Short-MESSAGE (ForwardSMS) message and give short message service center.
Step 910, short message service center send response message to Service Switching Point.
Step 911, Service Switching Point send EventReportSMS message to service control point/service edge agency, and informing message sends successfully.
Step 912, Service Switching Point/service edge are acted on behalf of to the IMS application server and are sent 200OK message.
Step 913, IMS application server send 200OK message to calling service exchange point/service edge agency.
Step 914, to the caller transmission success message that sends SMS message.
Embodiment four
Present embodiment shows the flow process of collecting business information and business transferring logic control instruction by USSD (Unstructured Supplementary Service Data, structuring does not replenish (adding) business datum).When service edge agency's physical location is arranged on the position of SCP of end office (EO), tandem exchange or intelligent network of circuit-switched network, all can by with UE between USSD collect professional relevant information, and the instruction of business transferring logic control.As shown in figure 10, the service edge agency is described below collects business information by USSD, and the flow process of business transferring logic control instruction.
Step 1001-1014, terminal 1 and terminal 2 are set up and are called out.
Step 1015, terminal 1 wish to call out maintenance, transmit this information by the USSD with end office (EO) and give MSC/ service edge agency.
Step 1016, MSC/ service edge agency send INVITE to the IMS application server, carry the maintenance information of calling out in the message.
Step 1017, IMS application server reply 200OK message for MSC/ service edge agency.
The medium control that the Call Control Functional Entity of step 1018, MSC is correlated with.
Step 1019, MSC/ service edge are acted on behalf of to terminal 1 and are replied the USSD response message.
Step 1020, IMS application server carry out the call recovery function of terminal 1 according to the control of service logic.
Step 1021, IMS application server send INVITE to MSC/ service edge agency.Carry call recovery information in the described INVITE.
Step 1022, MSC/ service edge agency send USSD message to terminal 1, and described USSD message is carried call recovery information.
Step 1023, terminal 1 are replied the USSD response message to MSC/ service edge agency.
Step 1024, MSC/ service edge agency reply 200OK message to the IMS application server.
According to the embodiment of the invention, can make circuit switched network subscriber use the IMS Network.
Though described the present invention by embodiment, those of ordinary skills know, without departing from the spirit and substance in the present invention, just can make the present invention that many distortion and variation are arranged, and scope of the present invention is limited to the appended claims.
Claims (12)
1, a kind of service edge agency is used to realize the intercommunication of circuit-switched network and IP Multimedia System IMS network, it is characterized in that, comprising:
The circuit domain signaling processing module is used for the business request information of treatment circuit switching network Call Control Functional Entity;
Professional detection trigger module is used for according to subscription data business request information being carried out IMS Network detection trigger;
The IMS signaling processing module is used for described professional detection trigger module is triggered the business request information that the successful service request message is mapped as the IMS net, and the business request information of the IMS net after then will shining upon is issued the IMS application server; Described IMS signaling processing module sends the control messages of follow-up business flow process according to the professional control messages of the IMS application server that receives to the Call Control Functional Entity of circuit-switched network by the circuit domain signaling processing module.
2, the system of a kind of Circuit Switching Network and IMS network interworking is characterized in that, described system comprises: Circuit Switching Network's Call Control Functional Entity, home signature user server, service edge agency and IMS application server;
Home signature user server is used for the subscription data of memory circuit switching network user at the IMS network;
Circuit Switching Network's Call Control Functional Entity is used to be triggered to service edge agency's business detection, will detect triggering successful service request message then and issue the service edge agency by first interface; And receive the follow-up business control information that the service edge agency sends, to carry out follow-up business and to call out control;
The service edge agency, be used for business request information by the first interface receiving circuit switching network Call Control Functional Entity, and the business request information of circuit-switched network is carried out IMS Network detection trigger according to the subscription data in the home signature user server, to trigger the business request information that the successful service request message is mapped to IMS net then, and by and IMS between the IMS of professional control interface after will the shine upon business request information of netting issue the IMS application server; Described service edge agency also receives the professional control messages of IMS application server by second interface, send the control messages of follow-up business flow process then to the Call Control Functional Entity of circuit-switched network by first interface;
The IMS application server is used to realize the control of IMS Network logic.
3, the system of Circuit Switching Network according to claim 2 and IMS network interworking is characterized in that,
Described service edge agency is arranged on circuit-switched network Service Control Point of intelligent network position, and first interface adopts the CAP/INAP signaling interface.
4, the system of Circuit Switching Network according to claim 2 and IMS network interworking is characterized in that, described second interface adopts the SIP signaling interface between service edge agency and the IMS application server.
5, the system of Circuit Switching Network according to claim 2 and IMS network interworking is characterized in that, described service edge agency comprises:
The circuit domain signaling processing module is used for the business request information of treatment circuit switching network Call Control Functional Entity;
Professional detection trigger module is used for according to subscription data business request information being carried out IMS Network detection trigger;
The IMS signaling processing module is used for described professional detection trigger module is triggered the business request information that the successful service request message is mapped as the IMS net, then the business request information of IMS net is issued the IMS application server; Described IMS signaling processing module sends the control messages of follow-up business flow process according to the professional control messages of the IMS application server that receives to the Call Control Functional Entity of circuit-switched network by the circuit domain signaling processing module.
6, the system of Circuit Switching Network according to claim 2 and IMS network interworking is characterized in that, described system also comprises:
Attaching position register, be used for preserving service edge agency's address information at the circuit switched network subscriber subscription data, when Circuit Switching Network's Call Control Functional Entity carries out business when triggering successfully, carry out addressing according to the agency's of the service edge in the user contracting data address information.
7, the method for a kind of Circuit Switching Network and IMS network interworking is characterized in that, comprising:
Circuit Switching Network's Call Control Functional Entity carries out professional detection trigger, and triggering successfully, the back sends business request information to the service edge agency;
Service edge agency is mapped to the business request information of IMS network with the business request information in the circuit-switched network, and the business request information after will shine upon is forwarded to the IMS application server, controls so that the IMS application server carries out service logic;
The service edge agency is according to the follow-up business flow process of the professional control messages control circuit switching network Call Control Functional Entity of the IMS application server of receiving.
8, the method of Circuit Switching Network according to claim 7 and IMS network interworking, it is characterized in that, described step Circuit Switching Network Call Control Functional Entity carries out professional detection trigger, triggering successfully, the back further comprises to service edge agency transmission business request information: the Call Control Functional Entity of Circuit Switching Network carries out professional detection trigger, if professional the triggering successfully, obtain service edge agency's address information from attaching position register, perhaps configuration obtains the address information that service edge is acted on behalf of according to local data, and the address information according to the service edge agency sends business request information to the service edge agency then.
9, the method for Circuit Switching Network according to claim 7 and IMS network interworking, it is characterized in that, described step service edge agency is mapped to the business request information in the circuit-switched network business request information of IMS network, and the business request information after will shining upon is forwarded to the IMS application server, and control further comprises so that the IMS application server carries out service logic: the service edge agency obtains subscription data from home signature user server; And according to the professional detection trigger of subscription data to IMS, when business triggers successfully, service edge is acted on behalf of the business request information that the business request information in the circuit-switched network is mapped to the IMS network, and the business request information of the IMS network after will shining upon is forwarded to the application server of IMS network.
10, the method for Circuit Switching Network according to claim 7 and IMS network interworking, it is characterized in that, when described service edge agency is arranged on the end office (EO) of circuit-switched network or tandem exchange, described Circuit Switching Network Call Control Functional Entity by and the service edge agency between internal interface send business request information to the service edge agency.
11, the method for Circuit Switching Network according to claim 7 and IMS network interworking is characterized in that, described service edge agency is arranged on circuit-switched network Service Control Point of intelligent network position, and first interface adopts the CAP/INAP signaling interface.
12, according to the method for one of them described Circuit Switching Network of claim 7 to 11 and IMS network interworking, it is characterized in that described business request information comprises: basic call message, network call attempt message, short message message, multi-link control messages or business information are collected request message.
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| CNB2005101126879A CN100479440C (en) | 2005-10-13 | 2005-10-13 | System and method for communication of circuit exchange network and IP multimedia subsystem network |
| PCT/CN2006/002337 WO2007041929A1 (en) | 2005-10-13 | 2006-09-11 | A system and method for providing the service from the ims network to the cs network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741638B (en) * | 2009-12-07 | 2012-01-25 | 华为技术有限公司 | Method and device for implementing state monitoring service |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101212450B (en) * | 2006-12-27 | 2010-11-10 | 华为技术有限公司 | Session route control method, device, and communication network system |
| CN101316435B (en) * | 2007-05-31 | 2012-08-08 | 华为技术有限公司 | Call control method and IMS circuit switching control device and terminal unit |
| CN101325732B (en) | 2007-06-15 | 2011-07-20 | 华为技术有限公司 | Call control method, circuit switching control apparatus and terminal equipment for IMS |
| CN101217796B (en) * | 2008-01-09 | 2011-10-26 | 中兴通讯股份有限公司 | A realization method of call ending in IP multimedia subsystem centralized control operation |
| CN101527891B (en) | 2008-04-30 | 2011-04-20 | 华为技术有限公司 | Method and device for keeping cross network call |
| CN101291541B (en) * | 2008-06-04 | 2013-08-07 | 华为技术有限公司 | Method, network element and system for evolution network to access circuit domain service |
| CN101867866B (en) * | 2010-06-09 | 2015-04-01 | 中兴通讯股份有限公司 | Multi-intelligent service nested triggering method and system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7898990B2 (en) * | 2003-03-25 | 2011-03-01 | Spyder Navigations L.L.C. | Method, system and gateway device for enabling interworking between IP and CS networks |
| US7359373B2 (en) * | 2003-10-17 | 2008-04-15 | Nokia Corporation | System, apparatus, and method for establishing circuit-switched communications via packet-switched network signaling |
-
2005
- 2005-10-13 CN CNB2005101126879A patent/CN100479440C/en not_active Expired - Fee Related
-
2006
- 2006-09-11 WO PCT/CN2006/002337 patent/WO2007041929A1/en active Application Filing
Non-Patent Citations (2)
| Title |
|---|
| IP多媒体子系统(IMS)的基本框架结构. 韩静，王建利.信息通信. 2005 |
| IP多媒体子系统(IMS)的基本框架结构. 韩静，王建利.信息通信. 2005 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741638B (en) * | 2009-12-07 | 2012-01-25 | 华为技术有限公司 | Method and device for implementing state monitoring service |
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