CN100452923C - A HLR and inserting IMS domain method and system for traditional mobile terminal - Google Patents
A HLR and inserting IMS domain method and system for traditional mobile terminal Download PDFInfo
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- CN100452923C CN100452923C CNB2005101214333A CN200510121433A CN100452923C CN 100452923 C CN100452923 C CN 100452923C CN B2005101214333 A CNB2005101214333 A CN B2005101214333A CN 200510121433 A CN200510121433 A CN 200510121433A CN 100452923 C CN100452923 C CN 100452923C
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Abstract
A method of utilizing HLR to switch traditional mobile terminal in IMS domain includes judging whether end-bureau launched logon supports access of IMS domain or not by HLR and selecting proper MUA as well as informing MUA to replace user roamed to MSC to be logged on at IMS domain, using traditional mobile terminal as IMS domain terminal to launch/ receive calling service or to retransmit short message service in IMS domain after traditional mobile terminal is logged on at IMS domain.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of attaching position register (HLR) and traditional non-group mode portable terminal is inserted the method and system that IMS domain (IMS territory) provides multimedia service.
Background technology
The carrying of next generation communication network has begun to use instead IP comprehensively.From the development of communication network,, all experienced from the legacy circuit-switched networks network to control and carried the IP packet network of separation again to the such evolution process of the multi-media network of all-IP no matter be CDMA or GSM/WCDMA.The example that is evolved to CDMA: cdma network carries from initial TDM (Time DivisionMultiplex, time division multiplexing) carrying, to having defined LMSD (Legacy Mobile StationDomain tradition travelling carriage territory) and two evolution stages of MMD (Multi-Media Domain multimedia domain, MMD), select IP to select, and the A interface is selected IP on bearer types as the carrying of core net and Access Network; CDMA LMSD stage circuit domain has realized separating of carrying and control, supports IP on bearer types; The MMD version is then introduced IMS (IP Multimed aSubsystem, IP Multimedia System) territory, interface signaling IPization (SIP) in core net.Final goal in this evolution process is to provide professional by unified IMS network, but in the process of IMS evolution, still there is a large amount of non-IMS terminals, in order to provide original circuit domain business to these non-IMS territory terminals, still need the circuit-domain network that upholds one's heritage, still two nets and depositing are unfavorable for reducing the OPEX (OPeration Expenditure operation cost) of operator over a period to come.In order to address this problem, a kind of mechanism need be provided, replace the traditional circuit domain network to provide original circuit domain business by the IMS territory to conventional terminal, realize two net unifications, reduce the OPEX of operator, utilize this mechanism also can realize providing the business in IMS territory simultaneously, realize the increment of IMS territory business to conventional terminal.
The scheme that adopts as shown in Figure 1 at present, this scheme end office's (i.e. iMSC Server--interworking MSC server interoperability Mobile Switching Center Server among the figure) as SIPUA (sip user agent), proxy user is registered to the IMS territory, and the business control of its traditional circuit domain is all carried out in the IMS territory.When its network users roams into this locality, iMSCServer is promptly as common MSCe (Mobile Switching Center emulation, mobile switching centre simulation entity with control and carrying separating power)/VLR (Visitor Location Register, Visited Location Registor) provides circuit domain business to its network users.When the user who is registered to the IMS territory roams into other visit ground, and when the MSC of end office (EO) (Mobile Switching Center mobile switching centre) on this visit ground does not support that the IMS territory is inserted, S_CSCF (Serving-Call SessionControl Function service call conversation control function by the IMS territory, being serving CSCF) GMSC (Gateway MSC) of simulation traditional circuit domain realizes the session service of traditional circuit domain, detail is:
The user initiates caller at MSC, is the calling procedure of traditional circuit domain, does not need the IMS territory to participate in;
HSS* is the equipment of the HSS in IMS territory and circuit domain HLR (attaching position register) unification in this scheme, iMSCServer physically can and P_CSCF (proxy CSCF) close and establish.
There is following shortcoming in technique scheme: 1, when the user did not support that the IMS territory is inserted with roaming into other visit ground and visit, the user was in not registered state in the IMS territory, so the business that this user need register in the IMS territory all can't be carried out; 2, roam into other visit ground and visit ground when not supporting that the IMS territory is inserted as the user, S_CSCF will simulate the GMSC of traditional circuit domain, therefore need and HSS or HLR between newly-increased C interface, and the S_CSCF entity in standard I MS territory there is no this function.
Summary of the invention
Technical problem to be solved by this invention is: the method and system that a kind of HLR is provided and traditional non-group mode portable terminal is inserted IMS domain, the user's registration (access) that roams into other visit ground can be arrived the IMS territory, provide corresponding multimedia service with this.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be:
A kind of attaching position register, comprise a MAP signaling processing module, one HLR Database functional module also comprises a mobile access user agent selection function module that is connected with described MAP signaling processing module and HLR Database communication; Described mobile access user agent selection function module, be used to judge whether the end office (EO) that initiates registration supports the access in IMS territory, when judging that end office (EO) does not support the access in IMS territory, select one to move and insert the user agent, and notify this to move by the MAP signaling processing module and insert the user agent and act on behalf of the user that described end office (EO) will roam into visit ground and be registered to the IMS territory.
Described attaching position register, wherein: also comprise a short message signaling processing module that is connected with described mobile access user agent selection function module communication, described short message signaling processing module is used for short message between reception/forwarding office; After described short message signaling processing module is received the short message of sent from mobile switching center, from short message, extract mobile switching centre's sign and send to the mobile user agent of access selection function module; Move to insert user agent's selection function module and select one to move and insert the user agent, and this is moved insert user agent's sign and return to described short message signaling processing module, the short message signaling processing module is given this forwards to move and is inserted the user agent.
Described attaching position register, wherein: also comprise a mobile access user agent allocation list that is connected with described mobile access user agent selection function module communication; Described mobile access user agent allocation list disposes with attaching position register has all mobile switching centres of annexation whether to support to insert the data of IP Multimedia System, and the mobile access user agent identification data of not supporting to insert mobile switching centre's correspondence of IP Multimedia System.
Described attaching position register, wherein: move access user agent selection function module and obtain the mobile access user agent sign that the user is registered to IMS domain the last time by the inquiry HLR Database.
Described attaching position register, wherein: the mobile user agent of access selection function module inserts the mobile access user agent sign that user agent's allocation list obtains mobile switching centre's correspondence by inquiring about to move, so that select one to move the access user agent.
Described attaching position register, wherein: move access user agent selection function module and judge by the subscription data of inquiry HLR Database whether the user needs to insert IMS domain; Perhaps user's international mobile subscriber identification code section in the registration message of sending according to the MAP signaling processing module judges whether the user needs to insert IMS domain.
Described attaching position register, wherein: move and insert user agent's selection function module, judge whether mobile switching centre has the ability that inserts IMS domain by the information of whether supporting to insert IMS domain that mobile switching centre reports.
Described attaching position register, wherein: move access user agent selection function module and obtain the ability that mobile switching centre supports that IMS domain inserts by inquiring about the mobile user agent of access allocation list.
A kind of method that portable terminal is inserted IMS domain, this method comprises: utilize attaching position register to judge whether the circuit domain core net end office (EO) that initiates registration supports the access of IMS domain, for not having the end office (EO) that inserts the IMS domain function, select suitable mobile accesss user agent by Home Location Register, and notify this to move and insert the traditional mobile terminal that mobile switching centre that the user agent acts on behalf of visit ground will roam into visit ground and be registered to IMS domain.
Described method, wherein: described method comprises the steps: also that after portable terminal is registered to IMS domain traditional mobile terminal is as the IMS domain terminal, in IMS domain initiation/receipt of call business.
Described method, wherein: described method comprises the steps: also that after traditional mobile terminal is registered to IMS domain traditional mobile terminal is transmitted short message service as the IMS domain terminal at IMS domain.
Described method, wherein: described traditional mobile terminal comprises the steps: in the registration process of not supporting IP Multimedia System incoming end intra-office
A, attaching position register are received the location registers message of the mobile switching centre on visit ground;
B, attaching position register judge whether portable terminal needs to insert IMS domain; If portable terminal need not insert IMS domain, then handle the home position enrollment results according to the traditional circuit domain location registers;
C, need insert IMS domain for portable terminal, attaching position register judges whether the end office (EO) that initiates registration supports IMS domain to insert; For the end office (EO) that does not support that IMS domain inserts, attaching position register is selected suitable mobile access user agent, and to moving the notification message that access user agent transmission comprises mobile terminal identification, the mobile user agent of access of indication acts on behalf of the mobile switching centre of visiting ground portable terminal is registered to IMS domain;
After D, mobile access user agent received described notification message, the mobile switching centre on agency's visit ground registered to the IMS domain initiation;
After E, IMS domain succeed in registration, move to insert the user agent and return the response message of notification message, indicate the user and succeed in registration at IMS domain to attaching position register;
F, attaching position register are registered successfully to mobile switching centre's home position.
Described method, wherein: described step C comprises following processing: attaching position register judges according to the query configuration table in system capability parameter or the attaching position register whether the end office (EO) that initiates registration supports IMS domain to insert; For the end office (EO) that does not support that IMS domain inserts, attaching position register is selected suitable mobile access user agent according to the mobile access user agent's who writes down in the HLR Database sign or described query configuration table.
Described method, wherein: described step B comprises following processing: attaching position register judges by the subscription data of inquiry HLR Database whether the user needs to insert IMS domain; Perhaps user's international mobile subscriber identification code section in the registration message of sending according to the MAP signaling processing module judges whether the user needs to insert IMS domain.
Described method, wherein: for having the end office (EO) that inserts the IMS domain function, registration process comprises the steps:
A, traditional mobile terminal are initiated position updating request at wireless access network;
The mobile access user agent on B, visit ground finds the attaching position register of its ownership and initiates location registers according to the international mobile subscriber identification code of portable terminal;
C, attaching position register judge whether portable terminal needs to insert IMS domain; If portable terminal need not insert IMS domain, then handle the home position enrollment results according to the traditional circuit domain location registers;
D, need insert IMS domain for portable terminal, attaching position register judges whether the end office (EO) that initiates registration supports IMS domain to insert; End office (EO) for the support IMS domain inserts directly returns the HLR Database that is identified to that succeeds in registration and write down the mobile user agent of access to moving the access user agent;
E, move to insert access IP Multimedia System indication in the location registers success message that the user agent returns according to attaching position register or user's international mobile subscriber identification code section, judge whether portable terminal needs to insert IMS domain; If portable terminal need not insert IMS domain, then directly to wireless access network home position enrollment results;
If the F portable terminal need insert IMS domain, move and insert the user agent to IMS domain initiation registration;
After G, IMS domain succeed in registration, move the access user agent and upgrade successfully to the wireless access network home position.
Described method, wherein: the described traditional mobile terminal caller process that is registered in IMS domain comprises the steps:
K, traditional mobile terminal initiate to begin to call for to ask at wireless access network;
The mobile switching centre on L, visit ground routes the call to move and inserts on the user agent;
M, move to insert the user agent and receive call setup message after, it is adapted to invitation message, initiate a session request to the proxy call conversation control function entity of IMS domain;
H, proxy call conversation control function entity forward the request to service call session control function entity;
I, service call session control function entity route the call to callee side after carrying out the service logic judgement;
J, callee side return ALERTING message, are forwarded to the mobile user agent of access through service call session control function entity and proxy call conversation control function entity;
K, the mobile mobile switching centre of user agent to the caller place that insert return called terminal ringing message;
L, callee side return called party answer message, are forwarded to the mobile user agent of access through service call session control function entity and proxy call conversation control function entity; Move the mobile switching centre of access user agent and return called party answer message to the caller place.
Described method, wherein: described step L comprises the steps: that the mobile switching centre of visiting ground has according to the calling number routing function, can route the call to move according under the calling number number section to insert on the user agent.
Described method, wherein: described call setup, called terminal ringing, called party answer message are the arrowband call control signalling in described step M, Q and the step R, perhaps are broadband call control signaling.
Described method, wherein: described arrowband call control signalling comprises integrated service digital subscriber part and Telephone User Part; Described broadband call control signaling is SIP, SIP-I or BICC.
Described method, wherein: the called process of described traditional mobile terminal that is registered in IMS domain comprises the steps:
K, the portable terminal that is registered in IMS domain initiate to have the conversation request of called address, are routed to move through proxy call conversation control function entity by the service call session control function entity of called ownership and insert the user agent;
L, the mobile user agent of access judge that the user does not register in this locality, then send location request message to attaching position register, get called routing iinformation;
M, attaching position register send route request information, the request Temporary Local Directory Number to called place mobile switching centre;
N, mobile switching centre return the response message of route requests to attaching position register, have Temporary Local Directory Number;
O, attaching position register insert user agent's home position request response to moving, and have Temporary Local Directory Number;
P, mobile access user agent route the call to mobile switching centre according to Temporary Local Directory Number;
Q, mobile switching centre carry out the paging assignment procedure of traditional circuit domain;
R, mobile switching centre return called terminal ringing message to moving the access user agent, indicate called ring;
S, mobile access user agent return ALERTING message through proxy call conversation control function entity and service call session control function entity to Calling Side;
T, called party answer;
U, mobile switching centre insert the user agent and return called party answer message to moving, and indicate calledly to reply;
V, move to insert the user agent through proxy call conversation control function entity and service call session control function entity to Calling Side echo reply message.
Described method, wherein: the described called terminal ringing of described step r, u, called party answer message are the arrowband call control signalling, perhaps are broadband call control signaling.
Described method, wherein: described arrowband call control signalling comprises integrated service digital subscriber part and Telephone User Part; Described broadband call control signaling comprises call control protocol and the SIP encapsulation ISDN User Part with bearer independent.
Described method, wherein: the IMS domain information series business process of issuing comprises the steps:
The service call session control function entity of K, portable terminal ownership sends message through proxy call conversation control function entity to moving the access user agent;
L, the mobile user agent of access judge that the user does not register in this locality, and mobile switching centre's sign of then obtaining the user place is as the short message address;
M, move to insert the user agent to the mobile switching centre at the user place message transfer that sends SMS message, indication short message issuing;
P, mobile switching centre carry out traditional circuit domain short message issuing flow process;
Q, mobile switching centre return the short message issuing success;
R, mobile access user agent return acknowledge message through proxy call conversation control function entity to service call session control function entity.
Described method, wherein: described step L comprises the steps:
L1, mobile access user agent are to attaching position register request short message address;
L2, attaching position register are to the mobile switching centre at the called place address request that sends SMS message, request short message address;
L3, mobile switching centre return the short message address in short message Address requests response message;
L4, attaching position register return user place mobile switching centre sign as the short message address to moving the access user agent.
Described method, wherein: described step L comprises following processing: identify as the short message address according to moving the mobile switching centre that inserts user agent's record;
Described method, wherein: the process of sending out that goes up that the IMS domain information series business is transmitted by attaching position register comprises the steps:
K, user initiate to send out on the traditional circuit domain short message flow process;
L, mobile switching centre select attaching position register as sms center according to calling number, and point-to-point message sends SMS message;
After M, attaching position register are received the point-to-point message of short message, select to move the access user agent, the point-to-point forwards of short message is given to move insert the user agent according to the mobile access user agent sign or the query configuration table of record;
N, the mobile user agent of access are mail to service call session control function entity to the sip message that the point-to-point message maps of short message becomes conversation class to have nothing to do through proxy call conversation control function entity;
O, the service call session control function entity IMS domain information series business of being correlated with inserts the user agent and returns acknowledge message to moving through proxy call conversation control function entity;
P, mobile access user agent return the point-to-point response message of short message to attaching position register, send out successfully on the indication short message;
Q, attaching position register are transmitted the mobile switching centre that visit ground is given in the point-to-point response of short message.
Described method, wherein: the process of sending out that goes up that the IMS domain information series business directly sends comprises the steps:
K, user initiate to send out on the traditional circuit domain short message flow process;
L, mobile switching centre select to move according to calling number and insert the user agent as sms center, and point-to-point message sends SMS message;
M, the mobile user agent of access are mail to service call session control function entity to the sip message that the point-to-point message maps of short message becomes conversation class to have nothing to do through proxy call conversation control function entity;
N, the service call session control function entity IMS domain information series business of being correlated with inserts the user agent and returns acknowledge message to moving through proxy call conversation control function entity;
O, mobile access user agent return the point-to-point response message of short message to mobile switching centre, send out successfully on the indication short message.
A kind of portable terminal is inserted the system of IMS domain, comprise IMS domain core net and circuit domain core net, portable terminal is linked into described circuit domain core net by wireless access network; Described circuit domain core net comprises the mobile access user agent who is connected with the wireless access network communication, and described mobile access user agent is connected with attaching position register and mobile switching centre's communication respectively; When the user roams into the visit ground of not supporting the IMS domain access, described mobile switching centre initiates register flow path to described attaching position register, described attaching position register judges that the mobile switching centre of described initiation registration does not support the access in IMS territory, described attaching position register is notified described mobile access user agent, registers a user to IMS domain.
Beneficial effect of the present invention is: technical scheme of the present invention has solved that the user roams into the problem that visit ground can't be registered to the IMS territory in the prior art.User's circuit domain business can be unified in the control of IMS territory, also can provide the registration class related service to the user simultaneously, enjoys the service in IMS territory.Because the user is registered to the IMS territory all the time,, promptly need not revise S_CSCF so the S_CSCF in IMS territory need not simulate GMSC again.And roam into the realization flow of IMS domain message class business behind the visit ground because this programme also provides,, can provide abundant more IMS territory business to the user by this flow process.
Description of drawings
Fig. 1 is a prior art networking plan schematic diagram;
Fig. 2 is a networking plan schematic diagram of the present invention;
Fig. 3 constitutes schematic diagram for the MUA function;
Fig. 4 constitutes schematic diagram for the HLR function;
Fig. 5 is at the conventional terminal registration process schematic diagram of supporting IMS incoming end intra-office;
Fig. 6 is not for to support the conventional terminal registration process schematic diagram of IMS incoming end intra-office;
Fig. 7 is not for to support the conventional terminal caller process schematic diagram of IMS incoming end intra-office;
Fig. 8 is at the called process schematic diagram of the conventional terminal of not supporting IMS incoming end intra-office;
Fig. 9 is an IMS domain message class sending down service process schematic diagram;
Figure 10 is the upward process schematic diagram that IMS domain message class business is transmitted by HLR;
Figure 11 is that professional directly transmission of IMS domain message class gone up a process schematic diagram.
Embodiment
With embodiment the present invention is described in further detail with reference to the accompanying drawings below:
In order to realize the object of the invention, basic skills of the present invention is exactly: replace the end office (EO) of iMSCServer of the prior art as circuit domain core net with MUA, utilize HLR to judge whether the end office (EO) that initiates registration supports the access in IMS territory, and by the suitable MUA of HLR selection, and notice MUA replaces the users that roam into other visit ground (MSC) to be registered to the IMS territory.After traditional mobile terminal was registered to the IMS territory, traditional mobile terminal was as IMS territory terminal, in IMS territory initiation/receipt of call business or forwarding short message service.For this reason, networking plan of the present invention as shown in Figure 2, the mobile function class that inserts user agent (MUA) is similar to the iMSCServer in the prior art, all business that the user initiates in this locality are all controlled by the IMS territory, MUA has served as the role of SIPUA (sip user agent), unlike the prior art be, when the user roams into the visit ground of not supporting the access of IMS territory, MSC can initiate register flow path to HLR, HLR judges that the user need be registered to the IMS territory, then notifies the MUA with IMS territory access capability to replace MSC to register a user to the IMS territory.Follow-up GMSC by MUA simulation traditional circuit domain realizes the session service of traditional circuit domain, and detail is:
Because still be in login state after user's roaming, so the business that the IMS territory need be registered still can realize after user's roaming.
MUA plays a key effect in this programme, and its function constitutes as shown in Figure 3, and each functional module is defined as follows description:
● the MSCe/VLR subsystem, this system comprises A interface signaling processing module, mobile management module, call management module, Call Control Block, SMS (short message) processing module, bearer management module, H.248 signaling processing module, the MAP signaling processing module, call signaling processing module, VLR functional module etc., this subsystem has all functions of MSCe/VLR, and the traditional terminal user (comprising local user and roamer) that is used for Xiang Buxu access IMS territory provides original circuit domain business;
● the SIPUA functional module, the traditional mobile terminal that replace to need inserts the IMS territory carries out the SIP registration in the IMS territory, functions such as initiation/reception SIP session service and initiation/the accept non-session service of SIP;
The following description of interactive relation between each functional module:
● the SIPUA functional module judges by inquiry VLR functional module whether the user registers in this locality;
● when the user inserted in this locality, the SIPUA functional module realized the bi-directional conversion between A interface signaling and the IMS territory SIP signaling, that is:
The sip message that √ sends the IMS territory is mapped to the A interface message, mails to RAN by A interface signaling processing module;
The A interface message that √ sends A interface signaling processing module is mapped to sip message and mails to the IMS territory;
● when the user inserted on visit ground, the SIPUA functional module was finished following function by the MAP signaling processing module:
√ receives the notification message of HLR, replaces the MSC on visit ground to carry out the registration of IMS territory;
√ is to the positional information on visit ground, HLR request user place;
The non-conversation class message maps that √ sends the IMS territory becomes interoffice SMDPP message (MAP message) to mail to the MSC on visit ground;
√ will visit the SMDPP message maps sent of the MSC on ground become non-conversation class message to mail to the IMS territory;
● when the user inserted on visit ground, the SIPUA functional module realized session service by the bi-directional conversion between station to station call control signaling and the IMS territory SIP signaling, that is:
The sip message that √ sends the IMS territory is mapped to the station to station call control messages, mails to the MSC on visit ground by the call signaling processing module;
The station to station call control messages that √ sends the call signaling processing module is mapped to sip message and mails to the IMS territory.
In addition, HLR plays a key effect in this programme.Need to strengthen the function of traditional circuit domain HLR in this programme, replace the MSC on visit ground to carry out the registration of IMS territory with notice MUA, HLR can also have the ability of transmitting short message in addition, sends out flow process to realize going up of IMS domain message class business.HLR function of the present invention constitutes as shown in Figure 4.Be defined as follows to each functional module description:
● MAP signaling processing module, this module are finished the MAP signaling process that traditional circuit domain HLR supports,
● MUA selection function module, this module has following function:
1, notice MUA replaces roaming into the ability that the user on visit ground registers;
2, whether the MSC that judges the user place supports the ability that the IMS territory is inserted;
3, select the ability of MUA;
● the SMS signaling processing module, have the ability of short message between reception/forwarding office, this module is optional module;
● the HDB functional module except the database function with traditional circuit domain HLR, also can have following function:
1, when the user inserts the IMS territory in signatory mode, store the CAMEL-Subscription-Information that the user inserts the IMS territory;
2, optionally has the ability that the nearest proxy user of storage is registered to the MUA sign in IMS territory;
● the MUA allocation list, this functional module is optional module, is used to be configured to down data:
1, there are all MSC of annexation whether to support to insert IMS with HLR;
2, do not support to insert the MUA sign of the MSC correspondence of IMS;
The following description of interactive relation between each functional module ground:
After the MAP signaling processing module is received the MSC registration message, this forwards is arrived MUA selection function resume module; MUA selection function module is done following processing: insert the IMS territory if the user is signatory mode, then inquire about HDB and obtain the user and whether need insert the IMS territory; If need not insert the IMS territory, then notify MAP signaling processing module and HDB module to finish the function of traditional circuit domain HLR together.Insert the IMS territory if desired, then MUA selection function module can judge whether MSC has the function that inserts the IMS territory according to one of following dual mode:
1, supports the ability that the IMS territory is inserted by the system capability parameter acquiring MSC in the registration message;
2, obtain the ability that MSC supports that the IMS territory is inserted by inquiry MUA allocation list;
If MSC supports the access in IMS territory, then directly notifying the MAP signaling processing module to return succeeds in registration, if MSC does not support the access in IMS territory, then MUA selection function module can select a MUA to replace the user who roams into visit ground to register according to one of following dual mode:
1, obtains the MUA sign that the user is registered to the IMS territory the last time by inquiry HDB;
2, obtain the MUA sign of MSC correspondence by inquiry MUA allocation list;
After selecting MUA, MUA selection function module structure notification message, and issue MUA by the MAP signaling processing module, and carrying out the registration of IMS territory by MUA, the MAP signaling processing module returns registration reply message according to the registering result that MUA returns to MSC;
After the SMS signaling processing module is received the interoffice short message of MSC, the MSC sign (MSCID) that extracts in the message sends to the MUA function selecting module, the MUA function selecting module is selected a MUA (with registration time choice mechanism identical), and this MUA sign returned to the SMS signaling processing module, the SMS signaling processing module is given MUA (this function is optional) this forwards.
This shows that the major function of HLR entity of the present invention is:
1, as traditional circuit domain HLR and the mutual function of MSC of not supporting that the IMS territory is inserted;
2, the function registered of the user who selects MUA to replace roaming into visit ground, in order to finish this function, also need have following two from the function of dominant:
Whether the end office (EO) of judging visit ground has the function that the IMS territory is inserted;
3, optionally has interoffice short message forwarding capability.
Below for adopting the inventive method, conventional terminal registration, the idiographic flow of calling out and transmitting the short message process.
In the conventional terminal registration process of supporting IMS incoming end intra-office as shown in Figure 5, may further comprise the steps:
1. traditional mobile terminal is initiated position updating request at wireless access network RAN;
2.MUA the IMSI according to portable terminal finds the HLR of its ownership and initiates location registers,
The IMSI and the MSCID that comprise the user;
Optionally can be in the system capability parameter of position registration message
(SystemCapabilities) lining indicates and supports IMS to insert;
Whether need to insert the IMS territory 3.HLR judge the user:
If the user need insert the IMS territory, then HLR can judge whether the end office (EO) that initiates registration supports the IMS territory to insert according to system capability parameter or query configuration table, if do not support to insert, and referring to embodiment 2, otherwise, directly return and succeed in registration to MUA.
If the user need not insert the IMS territory, then handle the home position enrollment results according to the traditional circuit domain location registers.
Annotate: if the user inserts the IMS territory with number segmented mode, and HLR selects MUA according to allocation list, step 2 then, and 3 is optional.
4.MUA access IMS indication in the location registers success message that can return according to HLR or user's IMSI section judge whether the user needs to insert IMS.If the user need insert IMS, then initiate registration to the P_CSCF in IMS territory as SIPUA, its entrained PI (private user identity) is IMSI, PU (public subscriber identification) can be MDN, IMSI or interim public identities; If the user need not insert the IMS territory, then directly to RAN home position enrollment results (step 7);
5.P_CSCF I/S_CSCF and HSS carry out the registration in IMS territory according to the defined flow process in IMS territory;
If PU be IMSI or interim public identities will be by implicit registration with user's MDN as total identifier register;
6.P_CSCF return to MUA and to succeed in registration;
7.MUA upgrade successfully to the RAN home position.
In the conventional terminal registration process of not supporting IMS incoming end intra-office as shown in Figure 6, may further comprise the steps:
1. traditional mobile terminal is initiated position updating request at wireless access network RAN;
2.MSC the IMSI according to portable terminal finds the HLR of its ownership and initiates location registers;
Whether need to insert the IMS territory 3.HLR judge the user:
If the user need insert the IMS territory, then HLR can judge whether the end office (EO) that initiates registration supports the IMS territory to insert, if support to insert, referring to embodiment 1 according to system capability parameter or query configuration table.Otherwise HLR selects MUA according to sign or the query configuration table of record MUA, and sends INFORDIR message to MUA, comprises user ID (IMSI), and indication MUA acts on behalf of MSC and registers a user to the IMS territory;
If the user need not insert the IMS territory, then handle home position enrollment results (step 8) according to the traditional circuit domain location registers;
4.MUA after receiving INFOR message, then act on behalf of MSC as SIPUA and initiate registration to the P_CSCF in IMS territory, its entrained PI (private user identity) is IMSI, PU (public subscriber identification) can be MDN, IMSI or interim public identities;
5.P_CSCF I/S_CSCF and HSS carry out the registration in IMS territory according to the defined flow process in IMS territory;
If PU be IMSI or interim public identities will be by implicit registration with user's MDN as total identifier register;
6.P_CSCF return to MUA and to succeed in registration;
7.MUA return infordir to HLR, indicate the user and succeed in registration in the IMS territory;
8.HLR to MSC home position enrollment results;
9.MUA upgrade successfully to the RAN home position.
In the conventional terminal caller process of not supporting IMS incoming end intra-office as shown in Figure 7, may further comprise the steps:
1. traditional mobile terminal initiates to begin to call for to ask at wireless access network RAN;
2. the MSC on visit ground judges the calling number trigger (this trigger can be returned by HLR) of having contracted in registration process, initiates ORREQ to HLR, has IMSI and called number;
3.HLR the response message to MSC returns ORREQ has new called number;
4.MSC called number routes the call to MUA after analyzing;
Annotate 1: step 2,3 only is for calling being transferred to MUA, also having additive method that calling is transferred to MUA, such as intelligent trigger, prefixing before user's dialing numbers, MSC has according to calling number routing function or the like;
5.MUA after receiving IAM message, it is adapted to INVITE, initiates a session request to the P_CSCF in IMS territory as SIPUA;
6.P_CSCF forward the request to S_CSCF;
7.S_CSCF after carrying out the service logic judgement, route the call to callee side;
8. callee side returns 180 (ring) message, is forwarded to MUA through S_CSCF and P_CSCF;
9.MUA return ACM message to the MSC at caller place;
10. callee side returns 200 OK (called party answer) message, is forwarded to MUA through S_CSCF and P_CSCF;
11.MUA the MSC to the caller place returns ANM;
Annotate 1: the dotted line among the figure is the TDM bearer path, and solid line is the IP bearer path;
The signaling of annotating between 2:MUA and the MSC is not limited to traditional signalling system No.7, also can be broadband call control signaling, as SIP, and SIP-I, BICC etc.
In the called process of conventional terminal of not supporting IMS incoming end intra-office as shown in Figure 8, may further comprise the steps:
1.IMS terminal initiates a session request, and has called address, is routed to MUA by the S_CSCF of called ownership through P_CSCF;
2.MUA judge that the user not in this locality registration, then sends LOCREQ message, get called routing iinformation to HLR;
3.HLR send ROUTREQ message to called place MSC, request TLDN;
4.MSC return routreq message to HLR, have TLDN;
5.HLR return locreq message to MUA, have TLDN;
6.MUA route the call to MSC according to TLDN;
7.MSC carry out the paging assignment procedure of traditional circuit domain;
8.MSC return ACM message to MUA, indicate called ring;
9.MUA return 180 (ring) message to Calling Side through P_CSCF and S_CSC;
10. called party answer;
11.MSC return ANM to MUA, indicate and calledly reply;
12.MUA return 200 OK (replying) message to Calling Side through P-CSCF and S_CSC;
Annotate: the signaling between MUA and the MSC is not limited to traditional signalling system No.7, also can be broadband call control signaling, as SIP, and SIP-I, BICC etc.
IMS domain message class sending down service process may further comprise the steps as shown in Figure 9:
1. the S_CSCF of user attaching sends NOTIFY through P-CSCF to MUA;
Annotate: be not limited to NOTIFY, as long as the conversation class irrelevant messages
Do not register and write down user place MSC sign (seeing embodiment 2) in this locality 2.MUA judge the user, then directly send SMDPP message (step 6) to MSC; If MUA does not write down the MSC sign, then send SMREQ message, request user position to HLR;
3.HLR the MSC to called place sends SMREQ message, request short message address;
4.MSC in smsreq message, return short message address (SMSADDR);
5.HLR return user position (SMSADDR) to MUA;
6.MUA send SMDPP message as MSC, the indication short message issuing to the user place;
7.MSC carry out traditional circuit domain short message issuing flow process;
8.MSC return the short message issuing success;
9.MUA to returning 200 OK message to S_CSCF through P_CSCF.
IMS domain message class business goes up the process of sending out as shown in figure 10 by what HLR transmitted, may further comprise the steps:
1. the user initiates to send out on the traditional circuit domain short message flow process
2.MSC select HLR as MC according to calling number, send SMDPP message;
3.HLR after receiving SMDPP message,, select MUA, give MUA the SMDPP forwards according to the MUA sign or the query configuration table (the query configuration table wants to obtain according to IMSI earlier the MSC sign on visit ground, user place) of record;
4.MUA become the SMDPP message maps the irrelevant sip message of conversation class to mail to S_CSCF through P_CSCF;
IMS domain message class business is returned 200 OK message through P_CSCF to MUA 5.S_CSCF be correlated with;
6.MUA return smdpp message to HLR, send out successfully on the indication short message;
7.HLR transmit the MSC that smdpp gives visit ground.
Professional directly transmission of IMS domain message class gone up the process of sending out as shown in figure 11, may further comprise the steps:
1. the user initiates to send out on the traditional circuit domain short message flow process
2.MSC select MUA as MC according to calling number, send SMDPP message;
Annotate: the prerequisite of this method is that HLR adopts the mode of allocation list to select MUA, and promptly the corresponding relation of MSC and MUA is a static configuration
3.MUA become the SMDPP message maps the irrelevant sip message of conversation class to mail to S_CSCF through P_CSCF;
IMS domain message class business is returned 200 OK message through P_CSCF to MUA 4.S_CSCF be correlated with;
5.MUA return smdpp message to MSC, send out successfully on the indication short message.
Be understandable that, for those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection range of the appended claim of the present invention.
Claims (28)
1, a kind of attaching position register, comprise a MAP signaling processing module, one HLR Database functional module is characterized in that: also comprise a mobile access user agent selection function module that is connected with described MAP signaling processing module and HLR Database communication;
Described mobile access user agent selection function module, be used to judge whether the end office (EO) that initiates registration supports the access in IMS territory, when judging that end office (EO) does not support the access in IMS territory, select one to move and insert the user agent, and notify this to move by the MAP signaling processing module and insert the user agent and act on behalf of the user that described end office (EO) will roam into visit ground and be registered to the IMS territory.
2, attaching position register according to claim 1, it is characterized in that: also comprise a short message signaling processing module that is connected with described mobile access user agent selection function module communication, described short message signaling processing module is used for short message between reception/forwarding office; After described short message signaling processing module is received the short message of sent from mobile switching center, from short message, extract mobile switching centre's sign and send to the mobile user agent of access selection function module; Move to insert user agent's selection function module and select one to move and insert the user agent, and this is moved insert user agent's sign and return to described short message signaling processing module, the short message signaling processing module is given this forwards to move and is inserted the user agent.
3, attaching position register according to claim 1 and 2 is characterized in that: also comprise a mobile access user agent allocation list that is connected with described mobile access user agent selection function module communication; Described mobile access user agent allocation list disposes with attaching position register has all mobile switching centres of annexation whether to support to insert the data of IP Multimedia System, and the mobile access user agent identification data of not supporting to insert mobile switching centre's correspondence of IP Multimedia System.
4, attaching position register according to claim 1 is characterized in that: move access user agent selection function module and obtain the mobile access user agent sign that the user is registered to IMS domain the last time by the inquiry HLR Database.
5, attaching position register according to claim 3, it is characterized in that: the mobile user agent of access selection function module inserts the mobile access user agent sign that user agent's allocation list obtains mobile switching centre's correspondence by inquiring about to move, so that select one to move the access user agent.
6, attaching position register according to claim 1 is characterized in that: move access user agent selection function module and judge by the subscription data of inquiry HLR Database whether the user needs to insert IMS domain; Perhaps user's international mobile subscriber identification code section in the registration message of sending according to the MAP signaling processing module judges whether the user needs to insert IMS domain.
7, attaching position register according to claim 1, it is characterized in that: move and insert user agent's selection function module, judge whether mobile switching centre has the ability that inserts IMS domain by the information of whether supporting to insert IMS domain that mobile switching centre reports.
8, attaching position register according to claim 3 is characterized in that: move access user agent selection function module and obtain the ability that mobile switching centre supports that IMS domain inserts by inquiring about the mobile user agent of access allocation list.
9, a kind of method that portable terminal is inserted IMS domain, this method comprises: utilize attaching position register to judge whether the circuit domain core net end office (EO) that initiates registration supports the access of IMS domain, for not having the end office (EO) that inserts the IMS domain function, select suitable mobile accesss user agent by Home Location Register, and notify this to move and insert the traditional mobile terminal that mobile switching centre that the user agent acts on behalf of visit ground will roam into visit ground and be registered to IMS domain.
10, method according to claim 9, it is characterized in that: described method also comprises the steps: after portable terminal is registered to IMS domain, traditional mobile terminal is as the IMS domain terminal, in IMS domain initiation/receipt of call business.
11, method according to claim 9, it is characterized in that: described method also comprises the steps: after traditional mobile terminal is registered to IMS domain, traditional mobile terminal is transmitted short message service as the IMS domain terminal at IMS domain.
12, method according to claim 9 is characterized in that: described traditional mobile terminal comprises the steps: in the registration process of not supporting IP Multimedia System incoming end intra-office
A, attaching position register are received the location registers message of the mobile switching centre on visit ground;
B, attaching position register judge whether portable terminal needs to insert IMS domain; If portable terminal need not insert IMS domain, then handle the home position enrollment results according to the traditional circuit domain location registers;
C, need insert IMS domain for portable terminal, attaching position register judges whether the end office (EO) that initiates registration supports IMS domain to insert; For the end office (EO) that does not support that IMS domain inserts, attaching position register is selected suitable mobile access user agent, and to moving the notification message that access user agent transmission comprises mobile terminal identification, the mobile user agent of access of indication acts on behalf of the mobile switching centre of visiting ground portable terminal is registered to IMS domain;
After D, mobile access user agent received described notification message, the mobile switching centre on agency's visit ground registered to the IMS domain initiation;
After E, IMS domain succeed in registration, move to insert the user agent and return the response message of notification message, indicate the user and succeed in registration at IMS domain to attaching position register;
F, attaching position register are registered successfully to mobile switching centre's home position.
13, method according to claim 12, it is characterized in that: described step C comprises following processing: attaching position register judges according to the query configuration table in system capability parameter or the attaching position register whether the end office (EO) that initiates registration supports IMS domain to insert; For the end office (EO) that does not support that IMS domain inserts, attaching position register is selected suitable mobile access user agent according to the mobile access user agent's who writes down in the HLR Database sign or described query configuration table.
14, method according to claim 12 is characterized in that: described step B comprises following processing: attaching position register judges by the subscription data of inquiry HLR Database whether the user needs to insert IMS domain; Perhaps user's international mobile subscriber identification code section in the registration message of sending according to the MAP signaling processing module judges whether the user needs to insert IMS domain.
15, method according to claim 9 is characterized in that: for having the end office (EO) that inserts the IMS domain function, registration process comprises the steps:
A, traditional mobile terminal are initiated position updating request at wireless access network;
The mobile access user agent on B, visit ground finds the attaching position register of its ownership and initiates location registers according to the international mobile subscriber identification code of portable terminal;
C, attaching position register judge whether portable terminal needs to insert IMS domain; If portable terminal need not insert IMS domain, then handle the home position enrollment results according to the traditional circuit domain location registers;
D, need insert IMS domain for portable terminal, attaching position register judges whether the end office (EO) that initiates registration supports IMS domain to insert; End office (EO) for the support IMS domain inserts directly returns the HLR Database that is identified to that succeeds in registration and write down the mobile user agent of access to moving the access user agent;
E, move to insert access IP Multimedia System indication in the location registers success message that the user agent returns according to attaching position register or user's international mobile subscriber identification code section, judge whether portable terminal needs to insert IMS domain; If portable terminal need not insert IMS domain, then directly to wireless access network home position enrollment results;
If the F portable terminal need insert IMS domain, move and insert the user agent to IMS domain initiation registration;
After G, IMS domain succeed in registration, move the access user agent and upgrade successfully to the wireless access network home position.
16, according to the described method of the arbitrary claim of claim 12 to 15, it is characterized in that: the described traditional mobile terminal caller process that is registered in IMS domain comprises the steps:
K, traditional mobile terminal initiate to begin to call for to ask at wireless access network;
The mobile switching centre on L, visit ground routes the call to move and inserts on the user agent;
M, move to insert the user agent and receive call setup message after, it is adapted to invitation message, initiate a session request to the proxy call conversation control function entity of IMS domain;
N, proxy call conversation control function entity forward the request to service call session control function entity;
O, service call session control function entity route the call to callee side after carrying out the service logic judgement;
P, callee side return ALERTING message, are forwarded to the mobile user agent of access through service call session control function entity and proxy call conversation control function entity;
Q, the mobile mobile switching centre of user agent to the caller place that insert return called terminal ringing message;
R, callee side return called party answer message, are forwarded to the mobile user agent of access through service call session control function entity and proxy call conversation control function entity; Move
Insert the mobile switching centre of user agent and return called party answer message to the caller place.
17, method according to claim 16, it is characterized in that: described step L comprises the steps: that the mobile switching centre of visiting ground has according to the calling number routing function, can route the call to move according under the calling number number section to insert on the user agent.
18, method according to claim 16 is characterized in that: described call setup, called terminal ringing, called party answer message are the arrowband call control signalling in described step M, Q and the step R, perhaps are broadband call control signaling.
19, method according to claim 18 is characterized in that: described arrowband call control signalling comprises integrated service digital subscriber part and Telephone User Part; Described broadband call control signaling is SIP, SIP-I or BICC.
20, according to the described method of the arbitrary claim of claim 12 to 15, it is characterized in that: the called process of described traditional mobile terminal that is registered in IMS domain comprises the steps:
K, the portable terminal that is registered in IMS domain initiate to have the conversation request of called address, are routed to move through proxy call conversation control function entity by the service call session control function entity of called ownership and insert the user agent;
L, the mobile user agent of access judge that the user does not register in this locality, then send location request message to attaching position register, get called routing iinformation;
M, attaching position register send route request information, the request Temporary Local Directory Number to called place mobile switching centre;
N, mobile switching centre return the response message of route requests to attaching position register, have Temporary Local Directory Number;
O, attaching position register insert user agent's home position request response to moving, and have Temporary Local Directory Number;
P, mobile access user agent route the call to mobile switching centre according to Temporary Local Directory Number;
Q, mobile switching centre carry out the paging assignment procedure of traditional circuit domain;
R, mobile switching centre return called terminal ringing message to moving the access user agent, indicate called ring;
S, mobile access user agent return ALERTING message through proxy call conversation control function entity and service call session control function entity to Calling Side;
T, called party answer;
U, mobile switching centre insert the user agent and return called party answer message to moving, and indicate calledly to reply;
V, move to insert the user agent through proxy call conversation control function entity and service call session control function entity to Calling Side echo reply message.
21, method according to claim 20 is characterized in that: the described called terminal ringing of described step r, u, called party answer message are the arrowband call control signalling, perhaps are broadband call control signaling.
22, method according to claim 20 is characterized in that: described arrowband call control signalling comprises integrated service digital subscriber part and Telephone User Part; Described broadband call control signaling comprises call control protocol and the SIP encapsulation ISDN User Part with bearer independent.
23, according to the described method of the arbitrary claim of claim 12 to 15, it is characterized in that: the IMS domain information series business process of issuing comprises the steps:
The service call session control function entity of K, portable terminal ownership sends message through proxy call conversation control function entity to moving the access user agent;
L, the mobile user agent of access judge that the user does not register in this locality, and mobile switching centre's sign of then obtaining the user place is as the short message address;
M, move to insert the user agent to the mobile switching centre at the user place message transfer that sends SMS message, indication short message issuing;
P, mobile switching centre carry out traditional circuit domain short message issuing flow process;
Q, mobile switching centre return the short message issuing success;
R, mobile access user agent return acknowledge message through proxy call conversation control function entity to service call session control function entity.
24, method according to claim 23 is characterized in that: described step L comprises the steps:
L1, mobile access user agent are to attaching position register request short message address;
L2, attaching position register are to the mobile switching centre at the called place address request that sends SMS message, request short message address;
L3, mobile switching centre return the short message address in short message Address requests response message;
L4, attaching position register return user place mobile switching centre sign as the short message address to moving the access user agent.
25, method according to claim 23 is characterized in that: described step L comprises following processing: identify as the short message address according to moving the mobile switching centre that inserts user agent's record;
26, according to the described method of the arbitrary claim of claim 12 to 15, it is characterized in that: the process of sending out that goes up that the IMS domain information series business is transmitted by attaching position register comprises the steps:
K, user initiate to send out on the traditional circuit domain short message flow process;
L, mobile switching centre select attaching position register as sms center according to calling number, and point-to-point message sends SMS message;
After M, attaching position register are received the point-to-point message of short message, select to move the access user agent, the point-to-point forwards of short message is given to move insert the user agent according to the mobile access user agent sign or the query configuration table of record;
N, the mobile user agent of access are mail to service call session control function entity to the sip message that the point-to-point message maps of short message becomes conversation class to have nothing to do through proxy call conversation control function entity;
O, the service call session control function entity IMS domain information series business of being correlated with inserts the user agent and returns acknowledge message to moving through proxy call conversation control function entity;
P, mobile access user agent return the point-to-point response message of short message to attaching position register, send out successfully on the indication short message;
Q, attaching position register are transmitted the mobile switching centre that visit ground is given in the point-to-point response of short message.
27, according to the described method of the arbitrary claim of claim 12 to 15, it is characterized in that: the process of sending out that goes up that the IMS domain information series business directly sends comprises the steps:
K, user initiate to send out on the traditional circuit domain short message flow process;
L, mobile switching centre select to move according to calling number and insert the user agent as sms center, and point-to-point message sends SMS message;
M, the mobile user agent of access are mail to service call session control function entity to the sip message that the point-to-point message maps of short message becomes conversation class to have nothing to do through proxy call conversation control function entity;
N, the service call session control function entity IMS domain information series business of being correlated with inserts the user agent and returns acknowledge message to moving through proxy call conversation control function entity;
O, mobile access user agent return the point-to-point response message of short message to mobile switching centre, send out successfully on the indication short message.
28, a kind of portable terminal is inserted the system of IMS domain, comprise IMS domain core net and circuit domain core net, portable terminal is linked into described circuit domain core net by wireless access network; It is characterized in that: described circuit domain core net comprises the mobile access user agent who is connected with the wireless access network communication, and described mobile access user agent is connected with attaching position register and mobile switching centre's communication respectively; When the user roams into the visit ground of not supporting the access of I P multimedia subsystem domain, described mobile switching centre initiates register flow path to described attaching position register, described attaching position register judges that the mobile switching centre of described initiation registration does not support the access in IMS territory, described attaching position register is notified described mobile access user agent, registers a user to IMS domain.
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| CN101175329A (en) * | 2007-11-02 | 2008-05-07 | 华为技术有限公司 | Cross-grouping domain switching method, system and device based on IP multimedia subsystem |
| CN101605038B (en) * | 2008-06-12 | 2012-03-28 | 朗讯科技公司 | Charging method and charging system based on SIP message body |
| US9729351B2 (en) * | 2009-08-10 | 2017-08-08 | Qualcomm Incorporated | Identifying a domain for delivery of message service information |
| US10104512B2 (en) | 2009-08-10 | 2018-10-16 | Qualcomm Incorporated | Domain selection for mobile-originated message service |
| CN101835240B (en) * | 2010-05-12 | 2012-07-11 | 华为技术有限公司 | Call routing method, mobile switching centre and call routing system |
| CN101860845A (en) * | 2010-06-01 | 2010-10-13 | 中兴通讯股份有限公司 | Communication preprocessing method, communication method and communication network |
| CN107888547B (en) * | 2016-09-30 | 2022-03-18 | 中兴通讯股份有限公司 | Method and device for realizing international roaming incoming call blocking service and application server |
| CN106534126B (en) * | 2016-11-18 | 2020-03-31 | 海能达通信股份有限公司 | Data communication method, device, cluster system and transfer platform |
| WO2020232584A1 (en) * | 2019-05-17 | 2020-11-26 | 华为技术有限公司 | Network selection system and terminal device |
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