CN102651848A - International roaming short message push method and system - Google Patents
International roaming short message push method and system Download PDFInfo
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- CN102651848A CN102651848A CN2011100456595A CN201110045659A CN102651848A CN 102651848 A CN102651848 A CN 102651848A CN 2011100456595 A CN2011100456595 A CN 2011100456595A CN 201110045659 A CN201110045659 A CN 201110045659A CN 102651848 A CN102651848 A CN 102651848A
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Abstract
The invention discloses an international roaming short message push method and an international roaming short message push system. The method comprises the following steps that: a short message platform acquires A interface and C/D interface signalings from a CDMA (Code Division Multiple Access) network and extracts an IMSI (International Mobile Subscriber Identity) number, an MDN (Mobile Directory Number) number and position information of a user from the A interface and C/D interface signalings; according to the position information of the user, a short message is compiled and the IMSI number, the MDN number and the short message of the user are packaged into a SMDPP message; the SMDPP message is routed to a short message center which the user belongs to by utilizing the IMSI number of the user, the SMDPP message is subjected to authorization check and a content of the short message in the SMDPP message is checked; after the SMDPP message and the content of the short message pass the check, the short message center which the user belongs to acquires a MSC (Mobile Switching Center) address of a user roaming place from an HLR (Home Location Register) of the user according to the MDN number of the user; and the short message center which the user belongs to pushes the short message which passes the check to the user according to the acquired MSC address of the user roaming place.
Description
Technical field
The present invention relates to the mobile communication technology field, especially, relate to a kind of international roaming note method for pushing and system.
Background technology
The propelling movement of note is meant that operator issues the appointment short message content through short message platform according to customer position information and gives the user.Operator can utilize this mode that the useful information relevant with customer location is handed down to the user; For example; Welcome note, public service ads, positional information and sub-district information on services etc.; For the user provides additional value-added service, thereby promote user's perception, improve customer loyalty, promote self core competitiveness.
Fig. 1 is the schematic network structure of existing short message pushing technology.
As shown in Figure 1, cdma system propelling movement way of short messages is that short message platform inserts short messaging gateway at present, through MAP (MAP) signaling note is handed down to the user by short message service center then.Short message platform is the short messaging gateway that is routed to appointment according to MDN (mobile subscriber number) number; Short messaging gateway is routed to ownership short message service center according to the MDN number then; Ownership short message service center is to the current location of user's HLR (attaching position register) inquiring user, and last short message service center belongs to MSC (mobile switching centre) transmitting short message according to the user.There is following problem in this technology:
(1) note can not be pushed to the user exactly: when short message platform can't obtain mobile subscriber's correct MDN number; Can't find correct Short Message Service Gateway and user's HLR; This moment can occur phenomenons such as wrong throwing, leakage throwing, have a strong impact on professional popularization and application, even cause user's complaint.Though short message platform can obtain user's MDN number according to the location registers response message; But for the user who diffuses in cdma network abroad; Because CDMA protocol specification imperfection; The MDN number that external HLR issues possibly is not with national code, utilizes the MDN number that is obtained this moment as the routing number that note pushes, and will cause the mistake of note to be delivered.
(2) increase operating cost of operator: diffuse in the user for the world,, possibly need to bring high closing the account to operator, thereby increase operating cost of operator through several international messaging agent merchants owing to there is above-mentioned circuitous signalling route.
If the mode that adopts note directly to deliver, that is, and through increase the MAP signaling process technique of cdma network at short message platform; No longer transmit through short messaging gateway and short message service center; Can directly insert cdma network, present mobile subscriber number route addressing mode is adjusted into the user belong to the MSC address, utilize the CDMA signaling network to carry out the transmission of short message; Can solve the problems of the technologies described above, but still have following problem:
(1) may cause interest conflicts between the operator: if note is directly delivered; Then the operator of user attaching can't receive note in the roaming place to the user and carries out management and control; Under the situation that does not obtain the home-operator mandate; Roaming place operator may send the note with nature of business to the user, causes the interest conflicts between the operator easily.
(2) can't carry out the safety inspection of short message content: all there is the content safety inspection of note each country; If adopting note directly delivers; Without the operator of ownership place security inspection to note; May occur home country and regional disadvantageous short message content, thereby influence the business cooperation of operator.
Summary of the invention
The technical problem that the present invention will solve provides a kind of international roaming note method for pushing and system, can correctly push authorized legal note.
According to an aspect of the present invention, propose a kind of international roaming note method for pushing, comprised that short message platform obtains A interface and C/D interface signaling from cdma network, and from the signaling of obtaining, extracted user's IMSI number, MDN number and positional information; According to user position information establishment short message, and user's IMSI number, MDN number and short message is packaged into SMDPP message according to the SMDPP agreement; The IMSI number that utilization is encapsulated in the user in the SMDPP message is routed to the short message service center of user attaching with SMDPP message, and SMDPP message is carried out authorization check and the content of the short message in the SMDPP message is checked; After authorization check and Content inspection passed through, the short message service center of user attaching obtained the MSC address of user roaming place from user's HLR according to the MDN number that is encapsulated in the user in the SMDPP message; The short message service center of user attaching will give the user through the short message pushing of inspection according to the MSC address of the user roaming place that obtains.
An embodiment according to the inventive method; The step that user's IMSI number, MDN number and short message is packaged into SMDPP message according to the SMDPP agreement comprises utilizes the SMDPP agreement that user's IMSI number is arranged in the called address of SCCP layer, and Translation Type is designated short message types; With the GT address setting of short message platform is the calling address of SCCP layer; User's MDN number is arranged in the called address of MAP layer.
According to another embodiment of the inventive method, SMDPP message is carried out authorization check and the step that the content of the short message in the SMDPP message is checked is comprised the calling number in the extraction SMDPP message; Judge whether the calling number of extracting is authorized number, if then authorization check passes through, otherwise, the authorization check failure; The content and the preset keyword of short message are compared, if consistent with arbitrary keyword of setting, then Content inspection failure, otherwise Content inspection passes through.
Another embodiment according to the inventive method; The short message service center of user attaching will comprise that the short message service center of user attaching is encapsulated as the MSC address of the user roaming place that obtains the called address of the SCCP layer of SMDPP message again for user's step through the short message pushing of inspection according to the MSC address of the user roaming place that obtains, and the SMDPP message after will encapsulating is again submitted to cdma network to be routed to the MSC of user roaming place; The MSC of user roaming place passes through the sub-district at the current place of IMSI number search subscriber in the SMDPP message after the encapsulation again, and realizes the propelling movement of short message through the A interface.
According to a further aspect in the invention; A kind of international roaming note supplying system has also been proposed; Comprise short message platform; Be used for extracting user's IMSI number, MDN number and positional information, and user's IMSI number, MDN number and the short message of working out according to user position information be packaged into SMDPP message according to the SMDPP agreement from the signaling of cdma network A interface and C/D interface; Short message service center; Link to each other with short message platform through cdma network; Be used for receiving the SMDPP message of the user's through being encapsulated in SMDPP message IMSI number route; SMDPP message is carried out authorization check and the content of the short message in the SMDPP message is checked; Obtain the MSC address of user roaming place according to the MDN number that is encapsulated in the user in the SMDPP message from user's HLR through the back at authorization check and Content inspection, and again the MSC address of the user roaming place that obtains is encapsulated as the called address of the SCCP layer of SMDPP message; The MSC of user roaming place links to each other with short message service center through cdma network, is used to receive the SMDPP message of encapsulation again, and utilizes the user's in the SMDPP message that encapsulates again IMSI number to give the user through the short message pushing of inspection.
An embodiment of system according to the invention, short message platform comprises parameter extraction module, is used for obtaining A interface and C/D interface signaling from cdma network, and from the signaling of obtaining, extracts user's IMSI number, MDN number and positional information; Signaling processing module links to each other with parameter extraction module, is used for according to user position information establishment short message, and according to the SMDPP agreement user's IMSI number, MDN number and short message is packaged into SMDPP message.
Another embodiment of system according to the invention, short message service center comprises the message sink module, is used for receiving the SMDPP message of the user's through being encapsulated in SMDPP message IMSI number route; Authorize content inspection module, link to each other, be used for SMDPP message is carried out authorization check and the content of the short message of SMDPP message is checked with the message sink module; The MSC address acquisition module and authorizes content inspection module and links to each other, and is used for after authorization check and Content inspection pass through, obtaining the MSC address of user roaming place from user's HLR according to the MDN number that is encapsulated in the user in the SMDPP message; Message is package module again, links to each other with the MSC address acquisition module, is used for again the MSC address of the user roaming place that obtains being encapsulated as the called address of the SCCP layer of SMDPP message.
The another embodiment of system according to the invention; Short message platform also disposes GT address and the signaling point code of oneself; Signaling processing module comprises that the SCCP layer is provided with the unit; Be used for utilizing the SMDPP agreement that user's IMSI number is arranged on the called address of SCCP layer, and Translation Type is designated short message types, and be the calling address of SCCP layer the GT address setting of short message platform; The MAP layer is provided with the unit, is used for user's MDN number is arranged on the called address of MAP layer.
An embodiment again of system according to the invention authorizes content inspection module and comprises the authorization check unit, is used for extracting the calling number of SMDPP message; Judge whether the calling number of extracting is authorized number, if then authorization check passes through; Otherwise, the authorization check failure; The Content inspection unit is used for the content and the preset keyword of short message are compared, if consistent with arbitrary keyword of setting, then Content inspection failure, otherwise Content inspection passes through.
International roaming note method for pushing provided by the invention and system; Directly insert cdma network through short message platform; No longer transmit through short messaging gateway; Thereby can guarantee that note can be pushed to the user exactly, not only guarantee the accuracy that pushes, also reduce the cost of operator's operation.Simultaneously, because short message need authorize Content inspection to it before being pushed to the user, therefore can also guarantee the legitimacy of the note that pushes.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part.In the accompanying drawings:
Fig. 1 is the schematic network structure of existing short message pushing technology.
Fig. 2 is the schematic network structure of short message pushing technology of the present invention.
Fig. 3 is the schematic flow sheet of an embodiment of international roaming note method for pushing of the present invention.
Fig. 4 is the schematic flow sheet of an embodiment again of international roaming note method for pushing of the present invention.
Fig. 5 is the structural representation of an embodiment of international roaming note supplying system of the present invention.
Fig. 6 is the structural representation of another embodiment of international roaming note supplying system of the present invention.
Fig. 7 is the structural representation of the another embodiment of international roaming note supplying system of the present invention.
Fig. 8 is the structural representation of an embodiment again of international roaming note supplying system of the present invention.
Fig. 9 is the structural representation of an embodiment again of international roaming note supplying system of the present invention.
Embodiment
With reference to the accompanying drawings the present invention is more comprehensively described, exemplary embodiment of the present invention wherein is described.Exemplary embodiment of the present invention and explanation thereof are used to explain the present invention, but do not constitute improper qualification of the present invention.
Below be illustrative to the description only actually of at least one exemplary embodiment, never as any restriction to the present invention and application or use.
At present; Short message platform obtains user's location registers and relevant signalings such as register response through the signaling copy module; According to mobile subscriber number (Mobile Directory Number, MDN) encapsulation SMGP (Short Message Gateway Protocol, submit signaling SMGP); Be routed to the short messaging gateway of appointment according to the addressing of MDN number; Short messaging gateway is routed to the short message service center of user attaching according to the MDN number addressing then, and the short message service center of user attaching is to user's attaching position register (HomeLocation Register, HLR) the current position of inquiring user; The short message service center of end user's ownership belongs to mobile switching centre according to the user, and (Mobile Switching Centre MSC) pushes note.
But existing access technology exists short message accurately not to be pushed to the user, increases operation cost, causes the interest conflicts between the operator and can't carry out technical problems such as safety inspection to short message content.
Main purpose of the present invention provides a kind of international roaming note method for pushing and system; As shown in Figure 2, it changes the access technology of present short message platform, and the short message point-to-point that increases cdma network transmits (Short Message Deliver Point-to-Point; SMDPP) signaling process technique; No longer transmit, can directly insert cdma network, present mobile subscriber number route addressing mode is adjusted into user's international mobile subscriber identity (International Mobile Subscriber Identity through short messaging gateway and short message service center; IMSI); Utilize the CDMA signaling network to carry out the transmission of short message, by the short message service center of user attaching authorize with content safety inspection after, carry out the delivery of short message again; Not only guarantee the accurate propelling movement of short message, but also guaranteed the legal propelling movement of short message.
Fig. 3 is the schematic flow sheet of an embodiment of international roaming note method for pushing of the present invention.
As shown in Figure 3, this embodiment can may further comprise the steps:
S102; Short message platform (for example obtains A interface and C/D interface signaling from cdma network; Relevant signalings such as user's position updating request, position register request), extract user's IMSI number, MDN number and positional information (for example, cell number etc.) and from the signaling of obtaining;
S104 according to user position information establishment short message, and is packaged into SMDPP message according to the SMDPP agreement with user's IMSI number, MDN number and short message, then SMDPP message is submitted to cdma network and carries out route;
For example; Can carry out the establishment of short message content to the user who meets the strategy requirement according to the strategy that positional information is set; Particularly, can when getting into certain sub-district, send the short message of customized content, when getting into the sub-district of subway station, send relevant informations such as subway transportation;
S106 utilizes the IMSI number be encapsulated in the user in the SMDPP message that SMDPP message is routed to the short message service center of user attaching, and SMDPP message is carried out authorization check and the content of the short message in the SMDPP message is checked;
S108, after authorization check and Content inspection passed through, the short message service center of user attaching obtained the MSC address of user roaming place from user's HLR according to the MDN number that is encapsulated in the user in the SMDPP message;
S110, the short message service center of user attaching will give the user through the short message pushing of inspection according to the MSC address of the user roaming place that obtains.
This embodiment directly inserts cdma network through short message platform, no longer transmits through short messaging gateway, thereby can guarantee that note can be pushed to the user exactly, has not only guaranteed the accuracy that pushes, and has also reduced the cost of operator's operation.Simultaneously and since short message under push away to authorizing Content inspection to it before the user, therefore can guarantee the legitimacy of the note that pushes.
In another embodiment of international roaming note method for pushing of the present invention, the step that user's IMSI number, MDN number and short message is packaged into SMDPP message can be comprised according to the SMDPP agreement:
Utilize the SMDPP agreement that user's IMSI number is arranged on signal connection control section (Signaling Connection Control Part; SCCP) layer called address in (wherein; The SCCP layer is the route layer; Cdma network is to lean on the address of SCCP layer to carry out route), and Translation Type is designated short message types; The GT address of short message platform (that is, global coded address, each equipment all has such address in the CDMA signaling network, is used for using when message is replied) is set to the calling address of SCCP layer; With user's MDN number be arranged on MAP (Mobile Application Part, MAP) in the called address of layer (the MAP layer is an application layer on the SCCP layer), shown in the table specific as follows:
Table 1
This embodiment is encapsulated as the IMSI number called address of SCCP layer; Make short message platform can utilize SMDPP message after this IMSI number will encapsulate exactly to be routed to the short message service center of user attaching, prevent to cause and can not short message accurately be pushed to the user owing to the MDN number is incorrect.In addition, the called address that the MDN number is encapsulated as the MAP layer makes the short message service center of user attaching to obtain the MSC address of user roaming place from user's HLR through the MDN number, with the propelling movement of final realization short message.
In the another embodiment of international roaming note method for pushing of the present invention, SMDPP message is carried out authorization check and can be comprised the step that the content of the short message in the SMDPP message is checked:
Extract the calling number in the SMDPP message; Judge whether the calling number of extracting is authorized number, if then authorization check passes through, otherwise, the authorization check failure; The content and the preset keyword of short message are compared, if consistent with arbitrary keyword of setting, then Content inspection failure, otherwise Content inspection passes through.
This embodiment does not directly deliver short message; But earlier carry out authorization check by the short message service center of user attaching; The operator that prevents user attaching can't receive note in the roaming place to the user and carry out management and control; Operator in the roaming place does not obtain preventing that the user from receiving unwarranted note under the situation of ownership place operator mandate.Simultaneously, because before delivering short message, also the short message service center by user attaching carries out validity checking to the content of short message, has prevented the delivery to home country and regional disadvantageous short message content, has guaranteed the legitimacy of short message content.
In an embodiment again of international roaming note method for pushing of the present invention, the short message service center of user attaching will can comprise for user's step through the short message pushing of inspection according to the MSC address of the user roaming place that obtains:
The short message service center of user attaching is encapsulated as the MSC address of the user roaming place that obtains the called address of the SCCP layer of SMDPP message again, and the SMDPP message after will encapsulating is again submitted to cdma network to be routed to the MSC of user roaming place; The sub-district at the current place of IMSI number search subscriber in the SMDPP message of the MSC of user roaming place after through the encapsulation again that receives, and realize the propelling movement of short message through the A interface.
The short message service center of the user attaching among this embodiment is encapsulated as the MSC of the user roaming place that obtains the called address of the SCCP layer of SMDPP message again; Make this message can correctly be routed to the MSC of user roaming place, according to user's IMSI short message is pushed to the user by the MSC of user roaming place exactly again through cdma network.
Fig. 4 is the schematic flow sheet of an embodiment again of international roaming note method for pushing of the present invention.
This embodiment at first obtains CDMA signaling, the present positional information of extraction user that the user inserts; According to user position information is the specific note of customization, the IMSI number that will from the CDMA signaling, obtain again, MDN number and be packaged into SMDPP message for the specific note of customization; Then SMDPP message is submitted to the CDMA signaling network; The CDMA signaling network carries out routing addressing according to user's IMSI number; The short message service center that short message is routed to user attaching handles; The short message service center of user attaching obtains the MSC address of user roaming place according to user's MDN number from user's HLR again, and the CDMA signaling network carries out addressing according to the MSC address of user roaming place, is accomplished the propelling movement of short message by the MSC of user roaming place.
Particularly, as shown in Figure 4, can may further comprise the steps:
S202; The signaling copy module of short message platform is obtained user's access signaling from the CDMA signaling network, comprises the position updating request of sending when the user inserts cdma network or MSC send to the HLR of ownership place through the CDMA signaling network position register request message;
S204, the Service Processing Module of short message platform is received subscriber signaling, can confirm successful registered user's IMSI number, MDN number and cell number, according to these information customization individual short messages, submits to the SMDPP signaling processing module then;
S206; After the SMDPP signaling processing module of short message platform is received note, become SMDPP message with the IMSI number according to the SMDPP protocol encapsulation according to user's MDN number, wherein; User's IMSI address is the called address of SCCP layer; And Translation Type is designated short message types, and the GT address of short message platform is as the calling address of SCCP layer, and user's MDN number is set to the called address of MAP layer;
S208; SMDPP transmitting signaling downwards after the SMDPP signaling processing module of short message platform will encapsulate is to the CDMA signaling network; Carry out route (promptly by the CDMA signaling network; The SMDPP signalling module sends Smdpp message to the short message service center of user attaching, and receives the Smdpp_resp message of short message service center's feedback of user attaching);
S210; The CDMA signaling network is routed to note the short message service center of user attaching through user's IMSI number; After the safety inspection of the short message service center of ownership through mandate and content; The HLR of the MDN number inquiry user attaching through the user obtains the present MSC address of user (that is, the short message service center of ownership sends Sms_req message to HLR, and receives the Sms_resp message that HLR sends to the short message service center of ownership);
S212; The short message service center of ownership is encapsulated as the MSC address called address of SCCP; Submit to the CDMA signaling network and carry out route; And finally deliver to and roam MSC (that is, the short message service center of ownership sends Smdpp message to roaming place MSC, and receives the Smdpp_resp message of roaming place MSC to short message service center's feedback of ownership);
S214; Roaming place MSC is routed to the MSC that the user belongs to note through the called address addressing, and MSC searches for the sub-district that present user belongs to according to the IMSI number, carries out the short message paging (promptly; Roaming MSC sends Page message to the user, and receives the Page_resp message of user feedback);
S216, roaming place MSC makes flow process accomplish issuing of short message according to the A message of standard, the short message (that is, roaming place MSC sends Adds message to the user, and receives the Adds_resp message of user feedback) that the user can normally receive short message platform and pushed.
Fig. 5 is the structural representation of an embodiment of international roaming note supplying system of the present invention.
As shown in Figure 5, the system 10 of this embodiment can comprise:
Short message service center 12; Link to each other with short message platform 11 through cdma network; Be used for receiving the SMDPP message of the user's through being encapsulated in SMDPP message IMSI number route; SMDPP message is carried out authorization check and the content of the short message in the SMDPP message is checked; Obtain the MSC address of user roaming place according to the MDN number that is encapsulated in the user in the SMDPP message from user's HLR through the back at authorization check and Content inspection, and again the MSC address of the user roaming place that obtains is encapsulated as the called address of the SCCP layer of SMDPP message;
The MSC 13 of user roaming place links to each other with short message service center 12 through cdma network, is used to receive the SMDPP message of encapsulation again, and utilizes the user's in the SMDPP message that encapsulates again IMSI number to give the user through the short message pushing of inspection.
This embodiment directly inserts cdma network through short message platform, no longer transmits through short messaging gateway, thereby can guarantee that note can be pushed to the user exactly, has not only guaranteed the accuracy that pushes, and has also reduced the cost of operator's operation.Simultaneously, because short message need authorize Content inspection to it before being pushed to the user, therefore can guarantee the legitimacy of the note that pushes.
Fig. 6 is the structural representation of another embodiment of international roaming note supplying system of the present invention.
As shown in Figure 6, to compare with embodiment among Fig. 5, the short message platform 21 in the system 20 of this embodiment can comprise:
Parameter extraction module 211 is used for obtaining A interface and C/D interface signaling from cdma network, and from the signaling of obtaining, extracts user's IMSI number, MDN number and positional information;
Signaling processing module 212 links to each other with parameter extraction module 211, is used for according to user position information establishment short message, and according to the SMDPP agreement user's IMSI number, MDN number and short message is packaged into SMDPP message.
Fig. 7 is the structural representation of the another embodiment of international roaming note supplying system of the present invention.
As shown in Figure 7, compare with embodiment among Fig. 5, the short message service center 31 in the system 30 of this embodiment can comprise:
Message sink module 311 is used for receiving the SMDPP message of the user's through being encapsulated in SMDPP message IMSI number route;
Authorize content inspection module 312, link to each other, be used for SMDPP message is carried out authorization check and the content of the short message of SMDPP message is checked with message sink module 311;
MSC address acquisition module 313 and authorizes content inspection module 312 and links to each other, and is used for after authorization check and Content inspection pass through, obtaining the MSC address of user roaming place from user's HLR according to the MDN number that is encapsulated in the user in the SMDPP message;
Message is package module 314 again, links to each other with MSC address acquisition module 313, is used for again the MSC address of the user roaming place that obtains being encapsulated as the called address of the SCCP layer of SMDPP message.
Fig. 8 is the structural representation of an embodiment again of international roaming note supplying system of the present invention.
As shown in Figure 8, to compare with embodiment among Fig. 6, the short message platform 41 in the system 40 of this embodiment also disposes GT address and the signaling point code of oneself, and signaling processing module 42 can comprise:
The SCCP layer is provided with unit 421; Be used for utilizing the SMDPP agreement user's IMSI number to be arranged on the called address of SCCP layer; And be provided with Translation Type be short message types (promptly; TT=128), and be the calling address of SCCP layer with the GT address setting of short message platform with the route of sign short message;
The MAP layer is provided with unit 422, is used for user's MDN number is arranged on the called address of MAP layer.
This embodiment is encapsulated as the IMSI number called address of SCCP layer; Make short message platform can utilize SMDPP message after this IMSI number will encapsulate exactly to be routed to the short message service center of user attaching, prevent to cause and can not short message accurately be pushed to the user owing to the MDN number is incorrect.In addition, the called address that the MDN number is encapsulated as the MAP layer makes the short message service center of user attaching to obtain the MSC address of user roaming place from user's HLR through the MDN number, with the propelling movement of final realization short message.
Fig. 9 is the structural representation of an embodiment again of international roaming note supplying system of the present invention.
As shown in Figure 9, compare authorizing content inspection module 51 and can comprise in the system 50 of this embodiment with embodiment among Fig. 7:
Authorization check unit 511 is used for extracting the calling number of SMDPP message, judges whether the calling number of extracting is authorized number, if then authorization check passes through, otherwise, the authorization check failure;
Content inspection unit 512 is used for the content and the preset keyword of short message are compared, if consistent with arbitrary keyword of setting, then Content inspection failure, otherwise Content inspection passes through.
This embodiment does not directly deliver short message; But earlier carry out authorization check by the short message service center of user attaching; The operator that prevents user attaching can't receive note in the roaming place to the user and carry out management and control; Operator in the roaming place does not obtain preventing that the user from receiving unwarranted note under the situation of ownership place operator mandate.Simultaneously, because before delivering short message, also the short message service center by user attaching carries out validity checking to the content of short message, has prevented the delivery to home country and regional disadvantageous short message content, has guaranteed the legitimacy of short message content.
The instantiation of above-mentioned international roaming note supplying system can no longer repeat at this with reference to the instantiation of aforementioned international roaming note method for pushing.
Though specific embodiments more of the present invention are specified through example, it should be appreciated by those skilled in the art that above example only is in order to describe, rather than in order to limit scope of the present invention.It should be appreciated by those skilled in the art, can under situation about not departing from the scope of the present invention with spirit, above embodiment be made amendment.Scope of the present invention is limited accompanying claims.
Claims (9)
1. an international roaming note method for pushing is characterized in that, comprising:
Short message platform obtains A interface and C/D interface signaling from cdma network, and from the signaling of obtaining, extracts user's IMSI number, MDN number and positional information;
According to user position information establishment short message, and said user's IMSI number, MDN number and short message is packaged into SMDPP message according to the SMDPP agreement;
The IMSI number that utilization is encapsulated in the user in the said SMDPP message is routed to the short message service center of user attaching with said SMDPP message, and said SMDPP message is carried out authorization check and the content of the short message in the said SMDPP message is checked;
After authorization check and Content inspection passed through, the short message service center of said user attaching obtained the MSC address of user roaming place from user's HLR according to the MDN number that is encapsulated in the user in the said SMDPP message;
The short message service center of said user attaching will give the user through the short message pushing of inspection according to the MSC address of the user roaming place that obtains.
2. method according to claim 1 is characterized in that, saidly according to the SMDPP agreement step that said user's IMSI number, MDN number and short message is packaged into SMDPP message is comprised:
Utilize the SMDPP agreement that said user's IMSI number is arranged in the called address of SCCP layer, and Translation Type is designated short message types;
With the GT address setting of said short message platform is the calling address of SCCP layer;
Said user's MDN number is arranged in the called address of MAP layer.
3. method according to claim 1 is characterized in that, said SMDPP message is carried out authorization check and step that the content of the short message in the said SMDPP message is checked comprises:
Extract the calling number in the said SMDPP message;
Judge whether the calling number of extracting is authorized number, if then authorization check passes through, otherwise, the authorization check failure;
The content and the preset keyword of said short message are compared, if consistent with arbitrary keyword of setting, then Content inspection failure, otherwise Content inspection passes through.
4. method according to claim 1 is characterized in that, the short message service center of said user attaching will comprise for user's step through the short message pushing of inspection according to the MSC address of the user roaming place that obtains:
The short message service center of said user attaching is encapsulated as the MSC address of the user roaming place that obtains the called address of the SCCP layer of SMDPP message again, and the SMDPP message after will encapsulating is again submitted to cdma network to be routed to the MSC of user roaming place;
The MSC of user roaming place searches for the sub-district at the current place of said user through the IMSI number in the SMDPP message after encapsulating again, and passes through the propelling movement that the A interface is realized short message.
5. an international roaming note supplying system is characterized in that, comprising:
Short message platform; Be used for extracting user's IMSI number, MDN number and positional information, and said user's IMSI number, MDN number and the short message of working out according to said user position information be packaged into SMDPP message according to the SMDPP agreement from the signaling of cdma network A interface and C/D interface;
Short message service center; Link to each other with said short message platform through cdma network; Be used for receiving the SMDPP message of the user's through being encapsulated in said SMDPP message IMSI number route; Said SMDPP message is carried out authorization check and the content of the short message in the said SMDPP message is checked; Obtain the MSC address of user roaming place according to the MDN number that is encapsulated in the user in the said SMDPP message from user's HLR through the back at authorization check and Content inspection, and again the MSC address of the user roaming place that obtains is encapsulated as the called address of the SCCP layer of SMDPP message;
The MSC of user roaming place links to each other with said short message service center through cdma network, is used to receive the SMDPP message of encapsulation again, and utilizes the user's in the said SMDPP message that encapsulates again IMSI number to give the user through the short message pushing of inspection.
6. system according to claim 5 is characterized in that, said short message platform comprises:
Parameter extraction module is used for obtaining A interface and C/D interface signaling from cdma network, and from the signaling of obtaining, extracts user's IMSI number, MDN number and positional information;
Signaling processing module links to each other with said parameter extraction module, is used for according to user position information establishment short message, and according to the SMDPP agreement said user's IMSI number, MDN number and short message is packaged into SMDPP message.
7. system according to claim 5 is characterized in that, said short message service center comprises:
The message sink module is used for receiving the SMDPP message of the user's through being encapsulated in said SMDPP message IMSI number route;
Authorize content inspection module, link to each other, be used for said SMDPP message is carried out authorization check and the content of the short message of said SMDPP message is checked with said message sink module;
The MSC address acquisition module links to each other with the said content inspection module that authorizes, and is used for after authorization check and Content inspection pass through, obtaining the MSC address of user roaming place from user's HLR according to the MDN number that is encapsulated in the user in the said SMDPP message;
Message is package module again, links to each other with said MSC address acquisition module, is used for again the MSC address of the user roaming place that obtains being encapsulated as the called address of the SCCP layer of SMDPP message.
8. system according to claim 6 is characterized in that, said short message platform also disposes GT address and the signaling point code of oneself, and said signaling processing module comprises:
The SCCP layer is provided with the unit, is used for utilizing the SMDPP agreement that said user's IMSI number is arranged on the called address of SCCP layer, and Translation Type is designated short message types, and be the calling address of SCCP layer with the GT address setting of said short message platform;
The MAP layer is provided with the unit, is used for said user's MDN number is arranged on the called address of MAP layer.
9. system according to claim 7 is characterized in that, the said content inspection module that authorizes comprises:
The authorization check unit is used for extracting the calling number of said SMDPP message, judges whether the calling number of extracting is authorized number, if then authorization check passes through, otherwise, the authorization check failure;
The Content inspection unit is used for the content and the preset keyword of said short message are compared, if consistent with arbitrary keyword of setting, then Content inspection failure, otherwise Content inspection passes through.
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