CN1929434A - Method for message intercommunication of IMS domain and CS domain - Google Patents
Method for message intercommunication of IMS domain and CS domain Download PDFInfo
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Abstract
This invention relates to one method between IMS area bad CS area, which realizes IMS HSS and CS interacting and two networks information connecting and common codes information business and comprises the following steps: IMS area receives first UE SIP message and transferring SIP message to S-CSCF and then sending the contract message to relative message gate for agreement conversion; converting SIP message into SMPP through CS area to second UE.
Description
Technical field
The present invention relates to a kind of method of message intercommunication, especially a kind of by IP multimedia system (IPMultimedia Subsystem, hereinafter to be referred as IMS) home signature user server (HomeSubscriber Server in the territory, hereinafter to be referred as HSS) and circuit switching (Circuit-Switch, hereinafter to be referred as CS) attaching position register (Home Location Register in the territory, hereinafter to be referred as HLR) the method for mutual realization two internetwork message interworkings, belong to communication technical field.
Background technology
Under the existing network environment, short message service is that operator has brought abundant profit with its high popularity rate and abundant trafficwise.Present short message service is by special-purpose SMS platform SMS service center (Short Message Service Center, hereinafter to be referred as SMSC) realize that the storage of short message transmits, realize that by Short Message Service Gateway difference arrives information receiving and transmitting between the application and the note intercommunication between net.
IMS is that third party plan (The 3rd Generation Partnership Project is hereinafter to be referred as 3GPP) is introduced in the R5 version, is one and is independent of access technology, and IP-based standards system.The appearance of IMS has not only realized the fusion between fixed network and the mobile network, also the application of existing network and following network application are merged simultaneously, and then allow the user at any time and any place, use multiple terminal equipment to enjoy identical service, acquisition has the multimedia communication service of identical experience, thereby realizes IP UNE of future generation truly.
Under the network architecture of IMS, can realize messaging service, the business of the text message that provides support, Multimedia Message, file transfer, short message.But, how can provide convergent messaging service, promptly the user need not be concerned about that it uses terminal, access network can both carry out information receiving and transmitting is the problem that present IMS messaging services need solve.Therefore, inherit the messaging service on the existing network and realize the IMS network and the intercommunication of existing network messaging service, become the problem that the IMS network must be paid close attention to of introducing.Be in to the stage of IMS transition, existing technology does not provide the solution of CS territory and the intercommunication of IMS domain message.
Summary of the invention
In order to solve the problem that messaging service is realized under IMS territory and CS domain message business intercommunication and the shared number situation, the method that the purpose of this invention is to provide a kind of IMS territory and the intercommunication of CS domain message, mutual by HLR in HSS in the IMS territory and the CS territory, finish the inquiry of user's registered network and corresponding routing iinformation between two nets, realize the intercommunication of messaging service and the messaging service under the shared number situation.
The object of the present invention is achieved like this:
The method of a kind of IMS territory and the intercommunication of CS domain message comprises:
Proxy Call Session Control Function unit, step 1:IMS territory (Proxy Call Session ControlFunction, hereinafter to be referred as P-CSCF) receive first subscriber equipment in the territory (User ' s Equipment, hereinafter to be referred as UE) session initiation protocol (the Session Initiation Protocol that sends, hereinafter to be referred as SIP) message, and this sip message is forwarded to service call conversation control function unit (ServingCall Session Control Function is hereinafter to be referred as S-CSCF);
Step 2: in the territory in HSS and the CS territory HLR obtain the CAMEL-Subscription-Information of recipient the 2nd UE alternately, and CAMEL-Subscription-Information is transmitted to S-CSCF, S-CSCF is forwarded to corresponding information gateway to sip message according to CAMEL-Subscription-Information;
Step 3: information gateway carries out protocol conversion, converts sip message to Short Message Peer to Peer (Short Message Peer to Peer is hereinafter to be referred as SMPP) message, and gives the 2nd UE the SMPP forwards through the CS territory.
Described step 2 comprises:
Step 20:S-CSCF is triggered to message server (Message Server) according to initial filter criteria (Initial Filter Criteria is hereinafter to be referred as iFC);
Step 21: message server returns the message that needs to re-route and arrives S-CSCF;
Step 22:S-CSCF is by the CAMEL-Subscription-Information of interface to HSS inquiry recipient the 2nd UE;
Step 23:HSS finds that the 2nd UE is not IMS territory user, inquires about the CAMEL-Subscription-Information of the 2nd UE to the HLR in CS territory;
Step 24:HLR returns the CAMEL-Subscription-Information of the 2nd UE to HSS;
Step 25:HSS sends to S-CSCF with the CAMEL-Subscription-Information of the 2nd UE;
Step 26:S-CSCF directly sends sip message according to CAMEL-Subscription-Information and returns CAMEL-Subscription-Information to message server to corresponding information gateway or S-CSCF, and message server sends to corresponding information gateway according to collocation strategy with sip message again.
Described step 3 comprises: information gateway carries out protocol conversion, convert sip message to SMPP message, and SMPP message sent to SMSC, SMSC inquiry HLR obtains the present visit ground information of the 2nd UE, again SMPP message is sent to the 2nd UE via mobile switching center (Mobile SwitchCenter/Visited Location Register is hereinafter to be referred as MSC/VLR).
The method of a kind of IMS territory and the intercommunication of CS domain message comprises:
Step 1 ': CS territory MSC/VLR receives the SMPP message that the 2nd UE sends in the territory, and this SMPP forwards is arrived SMSC;
Step 2 ': in the territory in HLR and the IMS territory HSS obtain the CAMEL-Subscription-Information of recipient the one UE alternately, and CAMEL-Subscription-Information is transmitted to SMSC, SMSC according to CAMEL-Subscription-Information the SMPP forwards to corresponding information gateway;
Step 3 ': information gateway carries out protocol conversion, and the SMPP message conversion is become sip message, and through the IMS territory sip message is transmitted to a UE.
Described step 2 ' comprising:
Step 20 ': SMSC is to the CAMEL-Subscription-Information of HLR inquiry recipient the one UE;
Step 21 ': HLR finds that a UE is not CS territory user, inquires about the CAMEL-Subscription-Information of a UE to the HSS in IMS territory;
Step 22 ': HSS returns the CAMEL-Subscription-Information of a UE to HLR;
Step 23 ': HLR returns the CAMEL-Subscription-Information of a UE to SMSC;
Step 24 ': SMSC sends to corresponding information gateway according to CAMEL-Subscription-Information with SMPP message.
Described step 3 ' comprising: information gateway carries out protocol conversion, the SMPP message conversion is become sip message, and sip message is forwarded to the message server of IMS territory the one UE ownership place, message server is forwarded to S-CSCF with sip message, and S-CSCF is transmitted to a UE to sip message via P-CSCF again.
Described step 3 ' also have a kind of situation, comprising:
Step 30 ': information gateway carries out protocol conversion, and the SMPP message conversion is become sip message, and sip message is forwarded to query call conversation control function unit (Interrogating Call SessionControl Function is hereinafter to be referred as I-CSCF);
Step 31 ': I-CSCF is the routing iinformation of the S-CSCF of UE service to the HSS inquiry;
Step 32 ': HSS is returned as the routing iinformation of S-CSCF of UE service to I-CSCF;
Step 33 ': I-CSCF sends to corresponding S-CSCF according to routing iinformation with sip message;
Step 34 ': S-CSCF is triggered to the message server of a UE;
Step 35 ': the message server return messages are to S-CSCF;
Step 36 ': S-CSCF is transmitted to a UE with sip message via P-CSCF.
Described step 2 and step 2 ' in, mutual No.7 signalling system (the CommonChannel Signaling System No.7 that passes through between HSS and the HLR, hereinafter to be referred as SS7) interface, finish with the form of MAP (Mobile Application Part is hereinafter to be referred as MAP) message.
The present invention is mutual by HLR's in HSS in the IMS territory and the CS territory, finish the inquiry of user's registered network and corresponding routing iinformation between two nets, realize the intercommunication of messaging service, to introducing the IMS network, realizing IP UNE smooth evolution of future generation truly.
Description of drawings
Fig. 1 for the present invention when sending out sip message to the CS territory from the IMS territory, mutual scheme one flow chart of realizing two interworking between networks of HSS and HLR.
Fig. 2 for the present invention when sending out SMPP message to the IMS territory from the CS territory, mutual scheme one flow chart of realizing two interworking between networks of HSS and HLR.
Fig. 3 for the present invention when sending out SMPP message to the IMS territory from the CS territory, the mutual part flow chart of realizing the scheme two of two interworking between networks of HSS and HLR.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Embodiment 1:
Referring to Fig. 1, the IMS territory is as follows to the messaging service process step in CS territory:
Step 1a:P-CSCF receives the sip message that a UE sends in the IMS territory, and this sip message is forwarded to S-CSCF,
P-CSCF is the at first tie point of Access Network to IMS, is the acting server among the SIP, and it is responsible for accepting request or responds and transmit,
S-CSCF carries out the session control service, comprises the state of registering and keeping session, serves as the function of sip server;
Step 1b:S-CSCF is triggered to message server according to iFC,
IFC is the description that user that the user downloads from HSS when registering contracts,
Message server can differentiate whether arrive portable terminal according to the receiver address of message, supports text message, Multimedia Message, file transfer, short message etc.;
Step 1c: message server returns the message that needs to re-route and arrives S-CSCF;
Step 1d:S-CSCF is by the CAMEL-Subscription-Information of Cx interface to HSS inquiry recipient the 2nd UE,
Cx interface is that HSS provides user's the position and the interface of ordering information to I-CSCF and S-CSCF in the IMS standard, being used for S-CSCF distributes, routing iinformation is provided, carries out user identity inspection and roaming control, transmits authentication parameter and filtration parameter etc. to CSCF to CSCF
HSS is the network data base of supporting user's registration and depositing user identity, position data and filtering policy information, also is responsible for the management that the user carries out the authentication and authorization control information of networking access;
Step 1e:HSS finds that the 2nd UE is not IMS territory user, inquires about the CAMEL-Subscription-Information of the 2nd UE to the HLR in CS territory,
HLR is a basic functions unit in the mobile communication network, is used to store mobile subscriber's data, comprises mobile subscriber's service feature, positional information and active state, and the mobile subscriber is managed;
Step 1f:HLR returns the CAMEL-Subscription-Information of the 2nd UE to HSS;
Step 1g:HSS sends to S-CSCF with the CAMEL-Subscription-Information of the 2nd UE;
Step 1h:S-CSCF directly sends sip message to corresponding information gateway according to CAMEL-Subscription-Information;
Step 1i: information gateway carries out protocol conversion, converts sip message to SMPP message, and SMPP message is sent to SMSC,
The IMS territory uses SIP as calling and professional control protocol, and uses the SMPP agreement between information gateway and SMSC;
Step 1j:SMSC inquires about the present visit ground information of the 2nd UE to HLR;
Step 1k:HLR returns the present visit ground information of the 2nd UE to SMSC;
Step 1l:SMSC sends to the 2nd UE with SMPP message via MSC/VLR,
MSC provides the interface between public switched telephone network (PSTN) (Public Switched Telephone Network is hereinafter to be referred as PSTN) and the mobile network, and the foundation and the route of controlling call are set up process,
VLR stores for information about whole of the interior mobile subscriber of its area of coverage, so that MSC can set up the calling of incoming call and exhalation.
Embodiment 2:
Difference from Example 1 is step 1h, S-CSCF does not have directly to arrive the routing function of information gateway in the present embodiment, therefore S-CSCF turns back to message server with the CAMEL-Subscription-Information of the 2nd UE earlier, and message server sends to corresponding information gateway according to collocation strategy with sip message again.
Embodiment 3:
Referring to Fig. 2, the CS territory is as follows to the messaging service process step in IMS territory:
Step 3a:MSC/VLR receives the SMPP message that the 2nd UE sends in the CS territory, and is forwarded to SMSC;
Step 3b:SMSC is to the CAMEL-Subscription-Information of HLR inquiry recipient the one UE;
Step 3c:HLR finds that a UE is not CS territory user, inquires about the CAMEL-Subscription-Information of a UE to the HSS in IMS territory;
Step 3d:HSS returns the CAMEL-Subscription-Information of a UE to HLR;
Step 3e:HLR returns the CAMEL-Subscription-Information of a UE to SMSC;
Step 3f:SMSC sends to corresponding information gateway according to CAMEL-Subscription-Information with SMPP message;
Step 3g: information gateway carries out protocol conversion, and the SMPP message conversion is become sip message, and sip message is forwarded to the message server of IMS territory the one UE ownership place;
Step 3h: message server is forwarded to a UE with sip message via S-CSCF, the P-CSCF of a UE ownership place.
Embodiment 4:
Be step 3h with the difference of embodiment 3, information gateway does not have directly to arrive the routing function of message server in the present embodiment, therefore earlier sip message is sent to I-CSCF, and the flow process according to the IMS territory issues again, and referring to Fig. 3, concrete steps are as follows:
Step 4h0: information gateway carries out protocol conversion, and the SMPP message conversion is become sip message, and sip message is forwarded to I-CSCF,
I-CSCF is the interface that visiting from outside IMS carries out interactive communication with it, be used for calling out the corresponding S-CSCF of selection flexibly to each, ask to HSS, the user property of searching among the HSS is determined to be this user's service by which or which S-CSCF, if there are a plurality of S-CSCF to finish load balancing, I-CSCF is exactly the distribution that is used for finishing these S-CSCF;
Step 4h1:I-CSCF is the routing iinformation of the S-CSCF of UE service to the HSS inquiry;
Step 4h2:HSS is returned as the routing iinformation of S-CSCF of UE service to I-CSCF;
Step 4h3:I-CSCF sends to corresponding S-CSCF according to routing iinformation with sip message;
Step 4h4:S-CSCF is triggered to the message server of a UE;
Step 4h5: the message server return messages arrive S-CSCF,
This message is based on the signaling message of Session Initiation Protocol;
Step 4h6:S-CSCF sends to a UE with sip message through PSCSF.
Embodiment 5:
The situation that also has shared number in actual the use, promptly a certain UE can also can register in the CS territory in the registration of IMS territory.When this UE is positioned at the IMS territory, preserve the CAMEL-Subscription-Information of this UE among the HSS, this UE is identical with embodiment 1-4 with the process of another UE message intercommunication of CS territory; Otherwise, when this UE is positioned at the CS territory, preserving the CAMEL-Subscription-Information of this UE among the HLR, this UE is also identical with embodiment 1-4 with the process of another UE message intercommunication of IMS territory.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (9)
1, the method for a kind of IMS territory and the intercommunication of CS domain message is characterized in that, comprising:
Proxy Call Session Control Function unit, step 1:IMS territory receives the conversation initiating protocol message that first subscriber equipment sends in the territory, and this conversation initiating protocol message is forwarded to the service call conversation control function unit;
Step 2: in the territory in home signature user server and the CS territory attaching position register obtain the CAMEL-Subscription-Information of recipient's second subscriber equipment alternately, and CAMEL-Subscription-Information is transmitted to the service call conversation control function unit, the service call conversation control function unit is forwarded to corresponding information gateway to conversation initiating protocol message according to CAMEL-Subscription-Information;
Step 3: information gateway carries out protocol conversion, converts the session initiation protocol message to Short Message Peer to Peer message, and gives second subscriber equipment Short Message Peer to Peer forwards through the CS territory.
2, method according to claim 1 is characterized in that, described step 2 comprises:
Step 20: the service call conversation control function unit is triggered to message server according to initial filter criteria;
Step 21: message server returns the message that needs to re-route and arrives the service call conversation control function unit;
Step 22: the service call conversation control function unit is by the CAMEL-Subscription-Information of interface to home signature user server inquiry recipient second subscriber equipment;
Step 23: home signature user server finds that second subscriber equipment is not IMS territory user, inquires about the CAMEL-Subscription-Information of second subscriber equipment to the attaching position register in CS territory;
Step 24: attaching position register returns the CAMEL-Subscription-Information of second subscriber equipment to home signature user server;
Step 25: home signature user server sends to the service call conversation control function unit with the CAMEL-Subscription-Information of second subscriber equipment;
Step 26: the service call conversation control function unit directly sends conversation initiating protocol message according to CAMEL-Subscription-Information and returns CAMEL-Subscription-Information to message server to corresponding information gateway or service call conversation control function unit, and message server sends to corresponding information gateway according to collocation strategy with the session initiation protocol message again.
3, method according to claim 1, it is characterized in that, described step 3 comprises: information gateway carries out protocol conversion, convert the session initiation protocol message to Short Message Peer to Peer message, and Short Message Peer to Peer message sent to SMS service center, SMS service center inquiry attaching position register obtains the present visit ground information of second subscriber equipment, again Short Message Peer to Peer message is sent to second subscriber equipment via mobile switching center.
4, method according to claim 1 is characterized in that, home signature user server and attaching position register is mutual by the No.7 signalling system interface in the described step 2, finishes with the MAP form of message.
5, the method for a kind of IMS territory and the intercommunication of CS domain message is characterized in that, comprising:
Step 1 ': CS territory mobile switching center receives the Short Message Peer to Peer message that second subscriber equipment sends in the territory, and this Short Message Peer to Peer forwards is arrived SMS service center;
Step 2 ': in the territory in attaching position register and the IMS territory home signature user server obtain the CAMEL-Subscription-Information of recipient's first subscriber equipment alternately, and CAMEL-Subscription-Information is forwarded to SMS service center, SMS service center according to CAMEL-Subscription-Information the Short Message Peer to Peer forwards to corresponding information gateway;
Step 3 ': information gateway carries out protocol conversion, and the Short Message Peer to Peer message conversion is become conversation initiating protocol message, and through the IMS territory conversation initiating protocol message is transmitted to first subscriber equipment.
6, method according to claim 5 is characterized in that, described step 2 ' comprising:
Step 20 ': SMS service center is to the CAMEL-Subscription-Information of attaching position register inquiry recipient first subscriber equipment;
Step 21 ': attaching position register finds that first subscriber equipment is not CS territory user, inquires about the CAMEL-Subscription-Information of first subscriber equipment to the home signature user server in IMS territory;
Step 22 ': home signature user server returns the CAMEL-Subscription-Information of first subscriber equipment to attaching position register;
Step 23 ': attaching position register returns the CAMEL-Subscription-Information of first subscriber equipment to SMS service center;
Step 24 ': SMS service center is dealt into corresponding information gateway according to CAMEL-Subscription-Information with Short Message Peer to Peer message.
7, method according to claim 5, it is characterized in that, described step 3 ' comprising: information gateway carries out protocol conversion, the Short Message Peer to Peer message conversion is become conversation initiating protocol message, and the session initiation protocol message is forwarded to the message server of the IMS territory first subscriber equipment ownership place, message server is forwarded to the service call conversation control function unit with the session initiation protocol message, and the service call conversation control function unit is given first subscriber equipment with the session initiation protocol message via the Proxy Call Session Control Function unit forwards.
8, method according to claim 5 is characterized in that, described step 3 ' comprising:
Step 30 ': information gateway carries out protocol conversion, and the Short Message Peer to Peer message conversion is become conversation initiating protocol message, and the session initiation protocol message is forwarded to query call conversation control function unit.
Step 31 ': query call conversation control function unit is the routing iinformation of the service call conversation control function unit of first subscriber equipment service to the home signature user server inquiry;
Step 32 ': home signature user server is returned as the routing iinformation of service call conversation control function unit of first subscriber equipment service to query call conversation control function unit;
Step 33 ': query call conversation control function unit sends to corresponding service call conversation control function unit according to routing iinformation with the session initiation protocol message;
Step 34 ': the service call conversation control function unit triggers is to the message server of first subscriber equipment;
Step 35 ': the message server return messages are to the service call conversation control function unit;
Step 36 ': the service call conversation control function unit is given first subscriber equipment with the session initiation protocol message via the Proxy Call Session Control Function unit forwards.
9, method according to claim 5 is characterized in that, described step 2 ' in home signature user server and attaching position register mutual by the No.7 signalling system interface, finish with the MAP form of message.
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| CN103607781A (en) * | 2013-12-03 | 2014-02-26 | 阳光凯讯(北京)科技有限公司 | Comprehensive switching system and comprehensive switching method for technology of fusing IMS domain and CS domain |
| CN103607781B (en) * | 2013-12-03 | 2016-06-15 | 阳光凯讯(北京)科技有限公司 | A kind of integration switch system and integrated exchange method that merges IMS territory and CS field technique |
| CN107086951A (en) * | 2017-04-05 | 2017-08-22 | 中国联合网络通信集团有限公司 | Transmission method, Short Message Service Gateway and the industry short message access gateway of industry short message |
| CN107086951B (en) * | 2017-04-05 | 2019-12-03 | 中国联合网络通信集团有限公司 | Transmission method, Short Message Service Gateway and the industry short message access gateway of industry short message |
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