CN101729980B - Method, device and system for acquiring position information - Google Patents

Method, device and system for acquiring position information Download PDF

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Publication number
CN101729980B
CN101729980B CN200910222878A CN200910222878A CN101729980B CN 101729980 B CN101729980 B CN 101729980B CN 200910222878 A CN200910222878 A CN 200910222878A CN 200910222878 A CN200910222878 A CN 200910222878A CN 101729980 B CN101729980 B CN 101729980B
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network element
element device
positional information
mgcf
called number
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CN101729980A (en
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吴峰
高伟
董鹏宇
李春生
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The embodiment of the invention relates to a method, a device and a system for acquiring position information, wherein the method comprises the following steps of: receiving anchored trigger information, and acquiring and recording the position information of a first called number carried by the anchored trigger information; and sending the position information of the first called number to MGCF network element equipment so that the MGCF network element equipment sends the position information to calling session control function (CSCF) network element equipment and/or a service application server. In the invention, anchoring AS can send the position information of called UE to the MGCF network element equipment in an IMS domain in the anchoring process so that the MGCF network element equipment can send the position information of the called UE to other network element equipment in the IMS domain for service processing.

Description

Location information acquisition method, device and system
Technical field
The embodiment of the invention relates to the communications field, relates in particular to a kind of location information acquisition method, device and system.
Background technology
Along with the continuous evolution of communication network, mobile core network is constantly development thereupon also.Wherein, the IP Multimedia System of core net (IP Multi-media Sub-system, hereinafter to be referred as: IMS) be one of main developing direction.But, because circuit switching system (Circuit switch Sub-system, hereinafter to be referred as: CS) very ripe at present, and accumulated a large amount of users, therefore, in a period of time, traditional CS will with IMS long-term co-existence.
For the user who makes the CS territory can enjoy the IMS business, prior art generally adopts the grappling technology that the calling in CS territory is redirected (Redirect) to the IMS territory, thereby accomplishes service logic in the IMS territory.After calling is redirected to the IMS territory; Application server in the IMS territory (Application Server; Hereinafter to be referred as: AS) need obtain subscriber equipment (the User Equipment corresponding with this calling; Hereinafter to be referred as positional information UE), thereby can charge or carry out location service according to this positional information.
In realizing process of the present invention; The inventor finds to have following problem in the prior art at least: the network element in the IMS territory can't obtain the positional information of called UE, makes that the network element in the IMS territory can't charge or carries out location service according to the positional information of called UE.
Summary of the invention
The embodiment of the invention provides a kind of location information acquisition method, device and system.
The embodiment of the invention provides a kind of location information acquisition method, comprising:
Receive the grappling trigger messages, obtain and write down the positional information of first called number that carries in the said grappling trigger messages;
The positional information of said first called number is sent to MGCF MGCF network element device, so that said MGCF network element device sends to CSCF CSCF network element device and/or service application service device with said positional information.
The embodiment of the invention provides another kind of location information acquisition method, comprising:
Receive the route requests response message that the grappling application server sends, the positional information of carrying called number in the said route requests response message;
Send the Session initiation protocol SIP message of carrying said positional information to CSCF CSCF network element device and/or service application service device, so that said CSCF network element device and/or service application service device carry out Business Processing according to said positional information.
Correspondingly, the embodiment of the invention provides a kind of grappling application server, comprising:
First receiver module is used to receive the grappling trigger messages, obtains and write down the positional information of first called number that carries in the said grappling trigger messages;
First sending module; Be used for the positional information of said first called number is sent to MGCF MGCF network element device, so that said MGCF network element device sends to CSCF CSCF network element device and/or service application service device with said positional information.
The embodiment of the invention provides a kind of MGCF network element device, comprising:
Second receiver module is used to receive the route requests response message that the grappling application server sends, the positional information of carrying called number in the said route requests response message;
Second sending module; Be used for sending the Session initiation protocol SIP message of carrying said positional information, so that said CSCF network element device and/or service application service device carry out Business Processing according to said positional information to CSCF CSCF network element device and/or service application service device.
The embodiment of the invention also provides a kind of positional information to obtain system, comprising: grappling application server and MGCF MGCF network element device,
Said grappling application server is used to receive the grappling trigger messages, obtains and write down the positional information of first called number that carries in the said grappling trigger messages, and the positional information of said first called number is sent to said MGCF network element device;
Said MGCF network element device is used to receive the route requests response message that said grappling application server sends, the positional information of carrying called number in the said route requests response message; Send the Session initiation protocol SIP message of carrying said positional information to CSCF network element device and/or service application service device, so that said CSCF network element device and/or service application service device carry out Business Processing according to said positional information.
In the above embodiment of the present invention; Grappling AS can be in the process of called grappling; The positional information of called UE is sent to the MGCF network element device in the IMS territory, make the MGCF network element device can the positional information of this called UE be sent to the CSCF network element device in the IMS territory, make CSCF to carry out accounting processing according to this positional information; Perhaps the positional information with this called UE sends to the service application service device, handles so that the service application service device carries out corresponding location service.
The embodiment of the invention also provides a kind of location information acquisition method, comprising:
The conversation request message that receipt of call conversation control function CSCF network element device and/or service application service device send;
Obtain with said conversation request message in the called number corresponding position information of carrying;
Said positional information is sent to said CSCF network element device and/or service application service device, so that said CSCF network element device and/or service application service device carry out Business Processing according to said positional information.
The embodiment of the invention provides a kind of location information acquisition method again, comprising:
Send conversation request message to MGCF MGCF network element device, carry called number in the said conversation request message;
Receive the conversation request response message of said MGCF network element device feedback, carry in the said conversation request response message and said called number corresponding position information.
Correspondingly, the embodiment of the invention provides a kind of MGCF network element device, comprising:
The 3rd receiver module is used for the conversation request message that receipt of call conversation control function CSCF network element device and/or service application service device send;
Acquisition module is used for obtaining the called number corresponding position information of carrying with said conversation request message;
The 3rd sending module is used for said positional information is sent to said CSCF network element device and/or service application service device, so that said CSCF network element device and/or service application service device carry out Business Processing according to said called positional information.
The embodiment of the invention also provides a kind of positional information to obtain system, comprising: CSCF CSCF network element device and/or service application service device and MGCF MGCF network element device,
Said CSCF network element device and/or service application service device are used for sending conversation request message to the MGCF network element device, carry called number in the said conversation request message; Receive the conversation request response message of said MGCF network element device feedback, carry in the said conversation request response message and said called number corresponding position information, and carry out Business Processing according to said positional information;
Said MGCF network element device; Be used to receive the conversation request message of said CSCF network element device and/or the transmission of service application service device; From attaching position register HLR, obtain with said conversation request message in the called number corresponding position information of carrying, and said positional information sent to said CSCF network element device and/or service application service device.
In the above embodiment of the present invention; In calling UE during from process that IMS makes a call, the MGCF network element device in being routed to the CS territory after, can from the HLR in CS territory, obtain the positional information of called UE; Thereby make MGCF can positional information be sent to other network element in the IMS territory; Thereby make network element in the IMS territory, for example CSCF network element device or service application service device can obtain the positional information of called UE through this MGCF, and then generate ticket and carry out roam charge or carry out location service.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of location information acquisition method embodiment one of the present invention;
Fig. 2 is the flow chart of location information acquisition method embodiment two of the present invention;
Fig. 3 is the signaling process figure of location information acquisition method embodiment three of the present invention;
Fig. 4 is the flow chart of location information acquisition method embodiment four of the present invention;
Fig. 5 is the flow chart of location information acquisition method embodiment five of the present invention;
Fig. 6 is the signaling process figure of location information acquisition method embodiment six of the present invention;
Fig. 7 is the structural representation of grappling application server embodiment one of the present invention;
Fig. 8 is the structural representation of MGCF network element device embodiment one;
Fig. 9 is the structural representation of MGCF network element device embodiment two;
Figure 10 is the structural representation of MGCF network element device embodiment three;
Figure 11 obtains the structural representation of system embodiment one for positional information of the present invention;
Figure 12 obtains the structural representation of system embodiment two for positional information of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Fig. 1 is the flow chart of location information acquisition method embodiment one of the present invention, and as shown in Figure 1, the method for present embodiment can comprise:
Step 101, receive the grappling trigger messages, obtain and write down the positional information of first called number that carries in the said grappling trigger messages;
For instance, grappling AS can receive the grappling trigger messages, from this grappling trigger messages, obtains the positional information of first called number.
At global system for mobile communications (Global System for Mobile Communications; Hereinafter to be referred as: GSM); This grappling trigger messages can be Initial Detection Point (Initial Detect Point; Hereinafter to be referred as: IDP) message, this positional information can be carried in the location information cell of IDP message; Code division multiple access (Code Division Multiple Access, hereinafter to be referred as: CDMA) in the network, this grappling trigger messages can be an analytical information ANLYZD message, and this positional information can be carried in the LocationAreaID cell of ANLYZD message.
Particularly, for the mobile network, roaming is the primary demand of UE.The IMS territory not only need obtain the positional information of calling UE; Equally also need obtain the positional information of called UE; And be not only the homing position information of called UE; Only get access to the positional information of called UE, can know whether called UE is in roaming state, thereby can carry out accounting processing to called UE according to positional information.For IMS, it is comparatively extensive that CS territory user does the relative caller of called application, and for example IMS terminal call portable terminal etc. are switched in one number service, calling between IMS terminal field portable terminal.Therefore, for called UE, positional information how to obtain called UE becomes problem demanding prompt solution.
In the present embodiment; When carrying out called grappling; Grappling AS can receive GMSC, and (Gateway Mobile Switching Center hereinafter to be referred as the grappling trigger messages of GMSC) sending, obtains the positional information of first called number then from this grappling trigger messages.For instance; Grappling AS in the present embodiment can be that call continuity controlled function network element device or network domains are selected (CallContinuity Control Function/Network Domain Selection; Hereinafter to be referred as: CCCF/NeDS) network element device; This first called number can be the true number of called UE, and for example this first called number can be that (Mobile Station international ISDN is hereinafter to be referred as MSISDN) number for the travelling carriage International ISDN.
Grappling AS in obtaining the grappling trigger messages with the first called number corresponding position information after, can write down the positional information of this first called number.
Need to prove that the positional information of first called number that carries in the grappling trigger messages of present embodiment can adopt in the prior art any mode to obtain, for example inquiry HLR obtains etc. in the CS territory, repeats no more here.
Step 102, the positional information of said first called number is sent to MGCF (Media Gateway Control Function; Hereinafter to be referred as: MGCF) network element device, so that said MGCF network element device sends to CSCF CSCF network element device and/or service application service device with said positional information.
For instance, grappling AS can begin the route flow process from the CS territory to the IMS territory after receiving this grappling trigger messages.After grappling AS is routed to this calling the MGCF network element device in the IMS territory; The positional information of first called number that grappling AS can will write down sends to the MGCF network element device, thereby makes this MGCF network element device that this positional information is sent to other network element in the IMS territory.Network element in the present embodiment in the IMS territory can be the CSCF network element device; The CSCF network element device is after the positional information of first called number that receives the transmission of MGCF network element device; Can generate the ticket corresponding according to positional information with this first called number; If this positional information is represented the current roaming state that is in of called UE, then the CSCF network element device can realize that called UE is carried out roam charge to be handled, thereby in the IMS territory, called UE is chargeed.Network element in the present embodiment in the IMS territory also can be the service application service device, and this service application service device is used to called UE provides business service.After the positional information of first called number that service application service device reception MGCF network element device sends, can handle for example called roaming limit service according to the location service that this positional information is correlated with.
In the method for present embodiment; Grappling AS can be in the process of called grappling; The positional information of called UE is sent to the MGCF network element device in the IMS territory, make the MGCF network element device can the positional information of this called UE be sent to the CSCF network element device in the IMS territory, make CSCF to carry out accounting processing according to this positional information; Perhaps the positional information with this called UE sends to the service application service device, handles so that the service application service device carries out corresponding location service.Therefore, the HLR that the CSCF network element device in the IMS territory need not visited the CS territory obtains the positional information of called UE, thereby neither can bring burden to HLR, has reduced operation complexity again.
In another embodiment of location information acquisition method of the present invention, can also comprise before the step 102: send to GMSC and call out connection message, carry the virtual roaming number that distributes into said first called number in the said calling connection message; Send address initial message (the Initial Address Message that carries said virtual roaming number to said MGCF at said GMSC; Hereinafter to be referred as: IAM) afterwards; Receive the route request information that said MGCF sends, carry said virtual roaming number in the said route request information.
The positional information with said first called number described in the step 102 sends to the MGCF network element device; So that said MGCF network element device sends to CSCF network element device and/or service application service device with said positional information; Can comprise: obtain said first called number according to said virtual roaming number; And converting said first called number to second called number, said second called number comprises said first called number and called grappling sign; Send the route requests response message to said MGCF network element device; Carry said second called number and positional information in the said route requests response message, so that said MGCF network element device sends to said CSCF network element device and/or service application service device according to said called grappling sign with said first called number and positional information.
Particularly, the grappling AS of present embodiment after from the grappling trigger messages, obtaining positional information, can for first called number distribute a virtual roaming number (Mobile Station Roaming Number, hereinafter to be referred as: MSRN); Then, grappling AS can send to call out and connect (Connect) message to GMSC, can carry this MSRN in this Connect message.GMSC can send IAM message to the MGCF network element device according to this MSRN, is this MSRN of portability in this IAM message; The MGCF network element device can send route request information to grappling AS, for example according to the MSRN in the IAM message; For the GSM network, this route request information for send out a routing iinformation (Send RoutingInformation, hereinafter to be referred as: SRI); For cdma network; This route request information be position requests (Location Request, hereinafter to be referred as: LOCREQ) message, this route request information is used for obtaining from grappling AS the roaming number of called UE.
Grappling AS is after the route request information that receives the transmission of MGCF network element device; Can from this route request information, obtain MSRN; According to this MSRN can extraction step 101 in the positional information of first called number of record, mutually deserved, also can extract this first called number.Then, grappling AS can add one and be used to represent that this grappling is the grappling identification information of called grappling before this first called number, thereby formed second called number.Then; Grappling AS can feed back the route requests response message to the MGCF network element device, for example, and for the GSM network; This route requests response message is SRI ACK; For cdma network, this route requests response message is a locreq message, and this second called number and corresponding position information are sent to the MGCF network element device.In the present embodiment; The MGCF network element device is after receiving this SRI ACK message; Can confirm that this grappling is called grappling according to this grappling identification information; And can delete the grappling identification information in second called number, thereby recover the first original called number, also be the Mobile Subscriber International ISDN Number of called UE.The MGCF network element device can send to other network element in the IMS territory with the positional information that gets access to and first called number then; For example CSCF network element device or service application service device; Thereby the CSCF network element device that makes can generate the ticket of first called number according to the positional information of obtaining; And then be implemented in the IMS territory called UE is carried out roam charge; Perhaps make the service application service device to carry out relevant location service and handle for example called roaming limit service etc. according to this positional information pair and the corresponding called UE of first called number.
Fig. 2 is the flow chart of location information acquisition method embodiment two of the present invention, and as shown in Figure 2, the method for present embodiment can comprise:
The route requests response message that step 201, reception grappling application server send, the positional information of carrying called number in the said route requests response message;
For instance, MGCF can receive the route requests response message that the grappling application server sends.
Particularly; When carrying out called grappling, grappling AS can receive the grappling trigger messages that GMSC sends, for example IDP message in the GSM network or the ANLYZD message in the cdma network; From this grappling trigger messages, obtain the positional information of first called number then; Alternatively, can also carry calling number in this grappling trigger messages, thereby make grappling AS from this grappling trigger messages, to obtain calling number.For instance, the grappling AS in the present embodiment can be the CCCF/NeDS network element device, and this first called number can be the true number of called UE, and for example this first called number can be a Mobile Subscriber International ISDN Number.
Grappling AS in obtaining the grappling trigger messages with the first called number corresponding position information after, can write down the positional information of this first called number.
Need to prove that the positional information of first called number that carries in the grappling trigger messages of present embodiment can adopt in the prior art any mode to obtain, for example inquiry HLR obtains etc. in the CS territory, repeats no more here.
Grappling AS can begin the route flow process from the CS territory to the IMS territory after receiving this grappling trigger messages.After grappling AS was routed to this calling the MGCF network element device in the IMS territory, the positional information of first called number that grappling AS can will write down sent to the MGCF network element device, thereby makes this MGCF network element device obtain the positional information of the first called number B.
Step 202, send to CSCF network element device and/or service application service device and to carry the sip message of said positional information, so that said CSCF network element device and/or service application service device carry out Business Processing according to said positional information.
For instance, MGCF can send sip message to CSCF network element device and/or service application service device.
Particularly; Network element in the present embodiment in the IMS territory can be the CSCF network element device; The CSCF network element device can generate the ticket corresponding with this first called number according to positional information, if this positional information is represented the current roaming state that is in of called UE after the positional information of first called number that receives the transmission of MGCF network element device; Then the CSCF network element device can realize that called UE is carried out roam charge to be handled, thereby in the IMS territory, called UE is chargeed.Network element in the present embodiment in the IMS territory also can be the service application service device, and this service application service device is used to called UE provides business service.After the positional information of first called number that service application service device reception MGCF network element device sends, can handle for example called roaming limit service etc. according to the location service that this positional information is correlated with.
In another embodiment of location information acquisition method of the present invention; Above-mentioned steps 202 can be specially: the said transmission to CSCF network element device and/or service application service device carried the sip message of said positional information; Comprise: send sip message, the address information of carrying the Visited Mobile Switching Center VMSC of the said called number that from HLR, obtains in the said sip message to said CSCF network element device and/or service application service device.
The method of the foregoing description; In the process of called grappling; The MGCF network element device can receive the positional information of the called UE of grappling AS transmission; Thereby make the positional information that network element CSCF network element device or service application service device in the IMS territory can obtain called UE through this MGCF, and then generate ticket and carry out roam charge or carry out location service.And this process need not visited the HLR in CS territory, thereby neither can bring burden to HLR, has reduced operation complexity again.
Adopt a specific embodiment in the called grappling process below; The scheme that CSCF network element device in the IMS territory obtains the positional information of called UE is elaborated; And following embodiment adopts the GSM network to describe, and for cdma network, its principle is similar.
Fig. 3 is the signaling process figure of location information acquisition method embodiment three of the present invention, and as shown in Figure 3, the method for present embodiment can comprise:
Step 301, GMSC receive IAM message, carry the calling number A and the first called number B in this IAM message.
Step 302, GMSC send SRI to HLR, carry the first called number B among this SRI.
Step 303, HLR send the SRI response message to GMSC.
Carry the positional information of the subscription data and first called number of the first called number B in this SRI response message.Present embodiment can obtain the subscription data of intelligent trigger through initiating position updating process from HLR, but also can from HLR, obtain the positional information of the first called number B.
Above-mentioned steps 301~step 303 is the flow process of in the CS territory, accomplishing.
Step 304, GMSC send IDP message to grappling AS.
Can carry calling number A in this IDP message, the positional information MT that obtains in the first called number B and the step 203.GMSC can be through sending IDP message to grappling AS, and intelligent trigger is to grappling AS.In the present embodiment, positional information can comprise the address information of GMSC and/or the positional information at said first called number B place.
Step 305, grappling AS are that the first called number B distributes a MSRN, and write down the first called number B and corresponding positional information.
This MSRN can adopt the form of the first called number B prefixing, also can adopt specific identifier.
Grappling AS can obtain and write down the first called number B and corresponding positional information from this IDP message after receiving this IDP message.
Step 306, grappling AS send Connect message to GMSC.
Can carry the MSRN of calling number A and distribution in this Connect message.
Step 307, GMSC send IAM message to the MGCF network element device.
Can carry the MSRN of calling number A and distribution in this IAM message, thereby make GMSC this calling to be routed to the MGCF network element device according to this MSRN.
Step 308, MGCF network element device send SRI to grappling AS, can carry MSRN among this SRI.
Step 309, grappling AS obtain the first called number B corresponding with MSRN, and convert the first called number B into second called number C.
For instance; If what MSRN adopted is the form of the first called number B prefixing; Then grappling AS can directly remove prefix, obtains this first called number B, if the MSRN employing is the specific identifier form; Then grappling AS can extract the first called number B corresponding with this MSRN, i.e. the first called number B of record in the step 302.Grappling AS can extract and the corresponding positional information of this first called number B from the positional information of record after obtaining this first called number B.
Then, grappling AS adds prefix Pfx again before this first called number B, and this prefix is the called grappling sign that is used to represent called grappling, thereby converts the first called number B into second called number C.
Step 3 10, grappling AS send the SRI response message to the MGCF network element device, carry second called number C and the positional information in this SRI response message.
Grappling AS can be carried at the positional information of record and the second called number C of generation in the SRI response message at this moment, and sends to the MGCF network element device.
Step 311, MGCF network element device send sip message to the CSCF network element device, carry the first called number B in this sip message, the positional information of the calling number A and the first called number B.
The MGCF network element device is after obtaining the second called number C; Can confirm that according to the prefix Pfx of this second called number C this grappling is called grappling; Then prefix Pfx is removed; Can obtain the first called number B, the MGCF network element device can route the call to the CSCF network element device through sip message then, and in this sip message, carries the first called number B and corresponding positional information; Thereby make the CSCF network element device to generate charging bill, handle thereby called UE is carried out roam charge according to this positional information.
In the step 311; The MGCF network element device also can send sip message to the service application service device; Make the service application service device also obtain the positional information of the first called number B, thereby make the service application service device can carry out any and location service, for example called roaming limit service etc.
It is professional that step 312, CSCF network element device are carried out called grappling.
The CSCF network element device is carried out the professional process of called grappling and can be adopted existing techniques in realizing in the step 312, repeats no more here.
In the method for present embodiment; Grappling AS can be in the process of called grappling; The positional information of called UE is sent to the MGCF network element device in the IMS territory, make the MGCF network element device can the positional information of this called UE be sent to the CSCF network element device in the IMS territory, make CSCF to carry out accounting processing according to this positional information; Perhaps the positional information with this called UE sends to the service application service device, handles so that the service application service device carries out corresponding location service.Therefore, the HLR that the CSCF network element device in the IMS territory need not visited the CS territory obtains the positional information of called UE, thereby neither can bring burden to HLR, has reduced operation complexity again.
Fig. 4 is the flow chart of location information acquisition method embodiment four of the present invention, and as shown in Figure 4, the method for present embodiment can comprise:
The conversation request message that step 401, reception CSCF network element device and/or service application service device send;
For instance, initiate, for example call out portable terminal, then call out and at first in the IMS territory, accomplish called service, and then get into the CS territory, and need not anchor to the IMS territory by the CS territory by the PC software terminal if call out from the IMS territory.
In the present embodiment, can carry called number in this conversation request message, this called number can be the Mobile Subscriber International ISDN Number of called UE.
Step 402, obtain with said conversation request message in the called number corresponding position information of carrying;
The MGCF network element device can obtain with this conversation request message in the called number corresponding position information of carrying.For instance, after calling was routed to the CS territory, the MGCF network element device can obtain from HLR and said called number corresponding position information.Alternatively, HLR can also feed back the corresponding intelligent subscription data of this called number to MGCF.
Step 403, said positional information is sent to said CSCF network element device and/or service application service device, so that said CSCF network element device and/or service application service device carry out Business Processing according to said positional information.
For instance, the MGCF network element device can send it back CSCF network element device and/or service application equipment in the IMS territory with this positional information through 18X message in the sip message or 200 message.
The CSCF network element device is after the positional information that receives the transmission of MGCF network element device; Can generate the ticket corresponding according to positional information with this called number; If this positional information is represented the current roaming state that is in of called UE; Then the CSCF network element device can realize that called UE is carried out roam charge to be handled, thereby in the IMS territory, called UE is chargeed.After the positional information of the called number that service application service device reception MGCF network element device sends, can handle for example called roaming limit service etc. according to the location service that this positional information is correlated with.
In another embodiment of location information acquisition method of the present invention, step 402 can comprise: send route request information to homing position storage HLR, carry called number in the said route request information; Receive the route requests response message that said HLR sends, carry in the said route requests response message and said called number corresponding position information.
The method of the foregoing description; In calling UE from the process that IMS makes a call; The MGCF network element device is in being routed to the CS territory time; Can from the HLR in CS territory, obtain the positional information of called UE, thereby make the positional information that network element CSCF network element device or service application service device in the IMS territory can obtain called UE through this MGCF, and then generate ticket and carry out roam charge or carry out location service.
Fig. 5 is the flow chart of location information acquisition method embodiment five of the present invention, and as shown in Figure 5, the method for present embodiment can comprise:
Step 501, send conversation request message, carry called number in the said conversation request message to the MGCF network element device;
The conversation request response message of step 502, the said MGCF network element device feedback of reception carries in the said conversation request response message and said called number corresponding position information.
The method of present embodiment is corresponding with the embodiment of the invention four, and it realizes that principle is identical, repeats no more here.
The method of present embodiment; In calling UE from the process that IMS makes a call; The MGCF network element device is in being routed to the CS territory time; Can from the HLR in CS territory, obtain the positional information of called UE, thereby make the positional information that network element CSCF network element device or service application service device in the IMS territory can obtain called UE through this MGCF, and then generate ticket and carry out roam charge or carry out location service.
Fig. 6 is the signaling process figure of location information acquisition method embodiment six of the present invention, and as shown in Figure 6, the method for present embodiment can comprise:
Step 601, CSCF network element device send conversation request message to the MGCF network element device.
For instance, initiate, for example call out portable terminal, then call out and at first in the IMS territory, accomplish called service, and then get into the CS territory, and need not anchor to the IMS territory by the CS territory by the PC software terminal if call out from the IMS territory.
In the present embodiment, can carry called number B in this conversation request message, this called number B can be the Mobile Subscriber International ISDN Number of called UE, can also carry calling number A.
Step 602, MGCF network element device send route request information to HLR.
Present embodiment adopts the GSM network to describe, and the MGCF network element device can send SRI to HLR, can carry called number B among this SRI.For cdma network, the MGCF network element device can send LOCREQ message to HLR.
Step 603, HLR send the route requests response message to the MGCF network element device.
HLR is after receiving SRI; Can extract and this called number B corresponding position information according to the called number B that carries among this SRI; This positional information can be the positional information of the VMSC at called number B place, and alternatively, HLR can also extract the CAMEL-Subscription-Information of this called number B.HLR can send the route requests response message to the MGCF network element device, and for example SRI ACK message wherein can be carried the positional information and the CAMEL-Subscription-Information of extraction.For instance, this positional information can be carried in the Location information cell of SRI ACK message.For cdma network, the route requests response message is locreq, and this positional information can be carried in the MSCID cell.
Step 604, MGCF network element device send the conversation request response message to the CSCF network element device.
The MGCF network element device can send 18X or 200 message to the CSCF network element device; The positional information of in this 18X or 200 message, carrying called number B; For instance, this positional information can be carried in the extension field of 18X or 200 message, thereby the positional information of called number B is sent to the network element in the IMS territory; According to this positional information roaming information in the ticket is provided thereby be convenient to the CSCF network element device, and then can realizes the roam charge function.
Present embodiment is that example describes with the CSCF network element device in the IMS territory only; It will be understood by those skilled in the art that; For other network element in the IMS territory; For example service application service device etc. is carried out the business relevant with the positional information of called UE if desired, also can obtain the positional information of called UE from the MGCF network element device.
The method of present embodiment; In calling UE from the process that IMS makes a call; The MGCF network element device is in being routed to the CS territory time; Can from the HLR in CS territory, obtain the positional information of called UE, thereby make the network element CSCF network element device in the IMS territory can obtain the positional information of called UE, and then generate ticket and carry out roam charge through this MGCF.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of program command; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
Fig. 7 is the structural representation of grappling application server embodiment one of the present invention; As shown in Figure 7; The grappling application server of present embodiment can comprise: first receiver module 11 and first sending module 12; Wherein, first receiver module 11 is used to receive the grappling trigger messages, obtains and write down the positional information of first called number that carries in the said grappling trigger messages; First sending module 12 is used for the positional information of said first called number is sent to the MGCF network element device, so that said MGCF network element device sends to CSCF CSCF network element device and/or service application service device with said positional information.
The grappling application server of present embodiment, it realizes that principle is identical with the realization principle of the inventive method embodiment one shown in Figure 1, repeats no more.
Further; In another embodiment of grappling application server of the present invention; First sending module 12 specifically is used for sending the calling connection message to GMSC; Carry the virtual roaming number that distributes into said first called number in the said calling connection message, said first receiver module 11 specifically is used at said GMSC after the address initial message of said virtual roaming number is carried in said MGCF transmission, receiving the route request information that said MGCF sends; Carry said virtual roaming number in the said route request information; First sending module 12 specifically is used for obtaining said first called number according to said virtual roaming number, and converts said first called number to second called number, and said second called number comprises said first called number and called grappling sign; Send the route requests response message to said MGCF network element device; Carry said second called number and positional information in the said route requests response message, so that said MGCF network element device sends to said CSCF network element device and/or service application service device according to said called grappling sign with said first called number and positional information.
The grappling application server of present embodiment, it realizes that principle is identical with the realization principle of the inventive method embodiment two shown in Figure 2, repeats no more.
The grappling application server of the foregoing description; Can be in the process of called grappling; The positional information of called UE is sent to the MGCF network element device in the IMS territory, make the MGCF network element device can the positional information of this called UE be sent to the CSCF network element device in the IMS territory, make CSCF to carry out accounting processing according to this positional information; Perhaps the positional information with this called UE sends to the service application service device, handles so that the service application service device carries out corresponding location service.Therefore, the HLR that the CSCF network element device in the IMS territory need not visited the CS territory obtains the positional information of called UE, thereby neither can bring burden to HLR, has reduced operation complexity again.
Fig. 8 is the structural representation of MGCF network element device embodiment one; As shown in Figure 8; The MGCF network element device of present embodiment can comprise: second receiver module 21 and second sending module 22; Wherein second receiver module 21 is used to receive the route requests response message that the grappling application server sends, the positional information of carrying called number in the said route requests response message; Second sending module 22 is used for sending the Session initiation protocol SIP message of carrying said positional information to CSCF CSCF network element device and/or service application service device, so that said CSCF network element device and/or service application service device carry out Business Processing according to said positional information.
The MGCF network element device of present embodiment, it realizes that principle is identical with the realization principle of the inventive method embodiment three shown in Figure 3, repeats no more.
The MGCF network element device of present embodiment; In the process of called grappling; Can receive the positional information of the called UE of grappling AS transmission; Thereby make the positional information that network element CSCF network element device or service application service device in the IMS territory can obtain called UE through this MGCF, and then generate ticket and carry out roam charge or carry out location service.And this process need not visited the HLR in CS territory, thereby neither can bring burden to HLR, has reduced operation complexity again.
Fig. 9 is the structural representation of MGCF network element device embodiment two; As shown in Figure 9; The MGCF network element device of present embodiment can comprise: the 3rd receiver module 31, acquisition module 32 and the 3rd sending module 33, and wherein the 3rd receiver module 31 is used for the conversation request message that receipt of call conversation control function CSCF network element device and/or service application service device send; Acquisition module 32 is used for obtaining the called number corresponding position information of carrying with said conversation request message; The 3rd sending module 33 is used for said positional information is sent to said CSCF network element device and/or service application service device, so that said CSCF network element device and/or service application service device carry out Business Processing according to said called positional information.
Figure 10 is the structural representation of MGCF network element device embodiment three; Shown in figure 10; Be the basis with MGCF gateway device shown in Figure 9 in the MGCF gateway device of present embodiment, further, acquisition module 32 comprises: transmitting element 321 and receiving element 322; Wherein transmitting element 321 is used for sending route request information to homing position storage HLR, carries called number in the said route request information; Receiving element 322 is used to receive the route requests response message that said HLR sends, and carries in the said route requests response message and said called number corresponding position information.
The embodiment two of above-mentioned MGCF network element device and embodiment three, it realizes that principle is identical with the realization principle of the inventive method embodiment three shown in Figure 3, repeats no more.
The MGCF network element device of the foregoing description; In calling UE from the process that IMS makes a call; In the time of in being routed to the CS territory; Can from the HLR in CS territory, obtain the positional information of called UE, thereby make the positional information that network element CSCF network element device or service application service device in the IMS territory can obtain called UE through this MGCF, and then generate ticket and carry out roam charge or carry out location service.
Figure 11 obtains the structural representation of system embodiment one for positional information of the present invention; Shown in figure 11; The system of present embodiment can comprise: grappling application server 1 and MGCF network element device 2; Wherein grappling application server 1 is used to receive the grappling trigger messages, obtains and write down the positional information of first called number that carries in the said grappling trigger messages, and the positional information of said first called number is sent to MGCF network element device 2; MGCF network element device 2 is used to receive the route requests response message that said grappling application server 1 sends, the positional information of carrying called number in the said route requests response message; Send the Session initiation protocol SIP message of carrying said positional information to CSCF network element device and/or service application service device, so that CSCF network element device and/or service application service device carry out Business Processing according to positional information.
In the system of present embodiment; The realization principle of grappling application server 1 is identical with method embodiment illustrated in figures 1 and 2; Its structure can adopt structure shown in Figure 7; The realization principle of MGCF network element device 2 is identical with method embodiment shown in Figure 2, and its structure can adopt structure shown in Figure 8, repeats no more here.
The system of present embodiment; In the process of called grappling; The MGCF network element device can receive the positional information of the called UE of grappling AS transmission; Thereby make the positional information that network element CSCF network element device or service application service device in the IMS territory can obtain called UE through this MGCF, and then generate ticket and carry out roam charge or carry out location service.And this process need not visited the HLR in CS territory, thereby neither can bring burden to HLR, has reduced operation complexity again.
Figure 12 obtains the structural representation of system embodiment two for positional information of the present invention; Shown in figure 12; The system of present embodiment can comprise: CSCF network element device and/or service application service device 3, MGCF network element device 2; Wherein, CSCF network element device and/or service application service device 3 are used for sending conversation request message to MGCF network element device 2, carry called number in the said conversation request message; Receive the conversation request response message of said MGCF network element device 2 feedbacks, carry in the said conversation request response message and said called number corresponding position information, and carry out Business Processing according to said positional information; MGCF network element device 2 is used to receive the conversation request message of CSCF network element device and/or 3 transmissions of service application service device; From said HLR, obtain with said conversation request message in the called number corresponding position information of carrying, and said positional information sent to said CSCF network element device and/or service application service device 3.
In the system of present embodiment; The realization principle of CSCF network element device and/or service application service device 3 is identical with method embodiment shown in Figure 5; The realization principle of MGCF network element device 2 is identical with method embodiment shown in Figure 4; Its structure can adopt Fig. 9 and structure shown in Figure 10, repeats no more here.
The system of present embodiment; In calling UE from the process that IMS makes a call; The MGCF network element device is in being routed to the CS territory time; Can from the HLR in CS territory, obtain the positional information of called UE, thereby make the positional information that network element CSCF network element device or service application service device in the IMS territory can obtain called UE through this MGCF, and then generate ticket and carry out roam charge or carry out location service.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.

Claims (18)

1. a location information acquisition method is characterized in that, comprising:
Receive the grappling trigger messages, obtain and write down the positional information of first called number that carries in the said grappling trigger messages;
The positional information of said first called number is sent to MGCF MGCF network element device, so that said MGCF network element device sends to CSCF CSCF network element device and/or service application service device with said positional information.
2. location information acquisition method according to claim 1 is characterized in that, said positional information with said first called number sends to before the said MGCF network element device, also comprises:
Send the calling connection message to GMSC GMSC, carry the virtual roaming number that distributes into said first called number in the said calling connection message;
After the address initial message IAM of said virtual roaming number is carried in said MGCF transmission, receive the route request information that said MGCF sends at said GMSC, carry said virtual roaming number in the said route request information.
3. location information acquisition method according to claim 2; It is characterized in that; Said positional information with said first called number sends to the MGCF network element device, so that said MGCF network element device sends to CSCF network element device and/or service application service device with said positional information, comprising:
Obtain said first called number according to said virtual roaming number, and convert said first called number to second called number, said second called number comprises said first called number and called grappling sign;
Send the route requests response message to said MGCF network element device; Carry said second called number and positional information in the said route requests response message, so that said MGCF network element device sends to said CSCF network element device and/or service application service device according to said called grappling sign with said first called number and said positional information.
4. according to the described location information acquisition method of arbitrary claim in the claim 1~3; It is characterized in that said positional information comprises the address information of the Visited Mobile Switching Center VMSC of said first called number that from attaching position register HLR, obtains.
5. according to the described location information acquisition method of arbitrary claim in the claim 1~3; It is characterized in that said grappling trigger messages comprises: Initial Detection Point IDP message in the global system for mobile communications GSM network or the analytical information ANLYZD message in the Code Division Multiple Access (CDMA) network.
6. a location information acquisition method is characterized in that, comprising:
Receive the route requests response message that the grappling application server sends, the positional information of carrying called number in the said route requests response message;
Send the Session initiation protocol SIP message of carrying said positional information to CSCF CSCF network element device and/or service application service device, so that said CSCF network element device and/or service application service device carry out Business Processing according to said positional information.
7. location information acquisition method according to claim 6 is characterized in that, the said transmission to CSCF network element device and/or service application service device carried the sip message of said positional information, comprising:
Send sip message, the address information of carrying the Visited Mobile Switching Center VMSC of the said called number that from attaching position register HLR, obtains in the said sip message to said CSCF network element device and/or service application service device.
8. a location information acquisition method is characterized in that, comprising:
The conversation request message that MGCF MGCF network element device receipt of call conversation control function CSCF network element device and/or service application service device send;
After calling is routed to the CS territory, the MGCF network element device from HLR, obtain with said conversation request message in the called number corresponding position information of carrying;
The MGCF network element device sends to said CSCF network element device and/or service application service device with said positional information, so that said CSCF network element device and/or service application service device carry out Business Processing according to said positional information.
9. location information acquisition method according to claim 8 is characterized in that, said from HLR, obtain with said conversation request message in the called number corresponding position information of carrying, comprising:
The MGCF network element device sends route request information to attaching position register HLR, carries called number in the said route request information;
The MGCF network element device receives the route requests response message that said HLR sends, and carries in the said route requests response message and said called number corresponding position information.
10. a location information acquisition method is characterized in that, comprising:
Send conversation request message to MGCF MGCF network element device, carry called number in the said conversation request message;
After calling is routed to the CS territory, receive the conversation request response message of said MGCF network element device feedback, carry in the said conversation request response message and said called number corresponding position information.
11. a grappling application server is characterized in that, comprising:
First receiver module is used to receive the grappling trigger messages, obtains and write down the positional information of first called number that carries in the said grappling trigger messages;
First sending module; Be used for the positional information of said first called number is sent to MGCF MGCF network element device, so that said MGCF network element device sends to CSCF CSCF network element device and/or service application service device with said positional information.
12. grappling application server according to claim 11; It is characterized in that; Said first sending module specifically is used for sending the calling connection message to GMSC GMSC; Carry the virtual roaming number that distributes into said first called number in the said calling connection message; Said first receiver module specifically is used at said GMSC after the address initial message of said virtual roaming number is carried in said MGCF transmission, receiving the route request information that said MGCF sends, and carries said virtual roaming number in the said route request information.
13. grappling application server according to claim 12; It is characterized in that; Said first sending module specifically is used for obtaining said first called number according to said virtual roaming number; And converting said first called number to second called number, said second called number comprises said first called number and called grappling sign; Send the route requests response message to said MGCF network element device; Carry said second called number and positional information in the said route requests response message, so that said MGCF network element device sends to said CSCF network element device and/or service application service device according to said called grappling sign with said first called number and positional information.
14. a MGCF network element device is characterized in that, comprising:
Second receiver module is used to receive the route requests response message that the grappling application server sends, the positional information of carrying called number in the said route requests response message;
Second sending module; Be used for sending the Session initiation protocol SIP message of carrying said positional information, so that said CSCF network element device and/or service application service device carry out Business Processing according to said positional information to CSCF CSCF network element device and/or service application service device.
15. a MGCF network element device is characterized in that, comprising:
The 3rd receiver module is used for the conversation request message that receipt of call conversation control function CSCF network element device and/or service application service device send;
Acquisition module, be used for when call out be routed to the CS territory after, from HLR, obtain with said conversation request message in the called number corresponding position information of carrying;
The 3rd sending module is used for said positional information is sent to said CSCF network element device and/or service application service device, so that said CSCF network element device and/or service application service device carry out Business Processing according to said called positional information.
16. MGCF network element device according to claim 15 is characterized in that, said acquisition module comprises:
Transmitting element is used for sending route request information to homing position storage HLR, carries called number in the said route request information;
Receiving element is used to receive the route requests response message that said HLR sends, and carries in the said route requests response message and said called number corresponding position information.
17. a positional information is obtained system, it is characterized in that, comprising: grappling application server and MGCF MGCF network element device,
Said grappling application server is used to receive the grappling trigger messages, obtains and write down the positional information of first called number that carries in the said grappling trigger messages, and the positional information of said first called number is sent to said MGCF network element device;
Said MGCF network element device is used to receive the route requests response message that said grappling application server sends, the positional information of carrying called number in the said route requests response message; Send the Session initiation protocol SIP message of carrying said positional information to CSCF network element device and/or service application service device, so that said CSCF network element device and/or service application service device carry out Business Processing according to said positional information.
18. a positional information is obtained system, it is characterized in that, comprising: CSCF CSCF network element device and/or service application service device and MGCF MGCF network element device,
Said CSCF network element device and/or service application service device are used for sending conversation request message to the MGCF network element device, carry called number in the said conversation request message; After calling is routed to the CS territory, receive the conversation request response message of said MGCF network element device feedback, carry in the said conversation request response message and said called number corresponding position information, and carry out Business Processing according to said positional information; Said MGCF network element device; Be used to receive the conversation request message of said CSCF network element device and/or the transmission of service application service device; After calling is routed to the CS territory; From attaching position register HLR, obtain with said conversation request message in the called number corresponding position information of carrying, and said positional information sent to said CSCF network element device and/or service application service device.
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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102316438B (en) * 2010-06-29 2016-01-20 中兴通讯股份有限公司 A kind of method and system obtaining customer location
CN102348281A (en) * 2010-08-02 2012-02-08 中兴通讯股份有限公司 Method, system and equipment for acquiring cell location of terminal
CN102546521B (en) * 2010-12-07 2015-08-05 中国电信股份有限公司 Based on cdma service nesting method and the system of IMS network
CN102957670B (en) * 2011-08-24 2016-04-20 中国电信股份有限公司 Original caller number transmission method and system
CN103096243B (en) * 2011-11-07 2017-10-03 中兴通讯股份有限公司 Call processing method, the apparatus and system of terminal
CN104917717B (en) * 2014-03-10 2018-09-07 中国移动通信集团北京有限公司 A kind of method of calling, equipment and system
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
CN107483497B (en) * 2017-09-22 2020-05-05 中国人民解放军信息工程大学 Method and device for protecting specific user position information in IMS network
CN109788448B (en) * 2017-11-14 2021-08-17 中国电信股份有限公司 Service number partition tandem implementation method and system
WO2020034211A1 (en) * 2018-08-17 2020-02-20 华为技术有限公司 Method of acquiring identifier of terminal device and network element

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101094442A (en) * 2006-08-23 2007-12-26 中兴通讯股份有限公司 Method and system for grappling final call in circuit switching domain
CN101193420A (en) * 2006-11-23 2008-06-04 中兴通讯股份有限公司 A method for selecting route in intercommunication between IMS network and CS network
US7603433B1 (en) * 2003-04-15 2009-10-13 Sprint Spectrum, L.P. IMS-based interactive media system and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7603433B1 (en) * 2003-04-15 2009-10-13 Sprint Spectrum, L.P. IMS-based interactive media system and method
CN101094442A (en) * 2006-08-23 2007-12-26 中兴通讯股份有限公司 Method and system for grappling final call in circuit switching domain
CN101193420A (en) * 2006-11-23 2008-06-04 中兴通讯股份有限公司 A method for selecting route in intercommunication between IMS network and CS network

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