CN104754599A - System and method for realizing interception based on signaling technology - Google Patents
System and method for realizing interception based on signaling technology Download PDFInfo
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- CN104754599A CN104754599A CN201310733569.4A CN201310733569A CN104754599A CN 104754599 A CN104754599 A CN 104754599A CN 201310733569 A CN201310733569 A CN 201310733569A CN 104754599 A CN104754599 A CN 104754599A
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Abstract
The invention discloses a system and method for realizing interception based on a signaling technology. The system comprises a signaling message processing sub-system and an interception sub-platform, wherein the signaling message processing sub-system comprises at least one signaling message processing device which is connected in series to a signaling data link needing service triggering; and each signaling message processing device is connected with the interception sub-platform through the data link. The signaling message processing device is used for analyzing a flow-through signaling message in real time according to information such as the calling and called numbers of a user needing to be intercepted set by the interception sub-platform, and modifying the flow of signaling interaction or changing the route of the message if an interception rule is matched, and the interception sub-platform is used for forwarding a call and controlling the speech channel of the user; and the interception sub-platform is used for recording voice information and generating a call log for inquiry during call forwarding.
Description
Technical field
The present invention relates to the communications field, more particularly, the present invention relates to a kind of system and method realizing intercepting based on signaling technology.
Background technology
Traditional telephone interception method has two kinds.
One is directly connected across in speech channel by snooping equipment, gathers voice signal, thisly intercept shortage flexibility, cannot screen, can not realize the control operation to the speech channel intercepting calling according to numbers of calling and called parties to calling, such as can not disconnect and connect speech channel.
Another kind is setting data on telecommunications network, as configuration data in a switch, certain is write the call diversion of user on special snooping equipment, this system can control speech channel, also can arrange caller or called number, but lack flexibility equally, need telephone office's configuration data on concrete Subscriber Number, need the intervention of telecommunications operation attendant, complex operation.
Summary of the invention
Technical problem to be solved by this invention is for there is above-mentioned defect in prior art, one is provided to pass through amendment and control signal reciprocal process, analog subscriber is registered and is being intercepted sub-platform, by control signal process, the calling and called speech channel of associated user is routed to and intercepts sub-platform, intercept and the interception system of the object of log call information and intercepting method to reach.
In order to realize above-mentioned technical purpose, according to a first aspect of the invention, a kind of system realizing intercepting based on signaling technology is provided.Some communication nodes that described system connects based on the signaling link by signaling network, and based on the communication network that mobile communication terminal forms.Described system comprises signaling message processing subsystem and intercepts sub-platform, signaling message processing subsystem at least comprises a signaling message processing unit in the signaling data link being serially connected with and needing to carry out business triggering, and each signaling message processing unit with intercept sub-platform and be connected by data link.Signaling message processing unit is for the treatment of the signaling message with forwarding flow warp; Wherein, signaling message processing unit is according to the listen for user number Sum fanction of setting, the signaling message that real-time analysis flows through, if the signaling message coupling flowed through intercepts number Sum fanction, then according to signalling interactive process, reciprocal process being guided to and intercepts sub-platform, controlling the registration of user and calling and called process by intercepting sub-platform, and complete the process of intercepting or intercept sub-platform carry out record by sending to after signaling message record.Intercept sub-platform to be connected with each signaling message processing unit and existing communication net, and intercept subsystem receive user intercept instruction, by Subscriber Number, intercept rule and be loaded into each signaling message processing unit, receive the instruction from signaling message processing unit, control the registration process of user and calling and called process, in the calling and called process of user, store information in speech channel and reciprocal process signaling to carry out analyzing and inquiring about.
Preferably, the communication service be listened includes but not limited to call and/or note.
Preferably, described sub-platform of intercepting has signaling with existing communication net and speech channel is connected.
Preferably, communication node includes but not limited to sms center, mobile switching centre and/or attaching position register.
According to a first aspect of the invention, provide a kind of method realizing intercepting based on signaling technology, comprising: in signaling link, dispose at least one signaling message processing unit of serial connection and the interception system of intercepting sub-platform; Intercept sub-platform and be loaded into signaling message processing unit by needing the Subscriber Number of intercepting; The signaling message that the real-time analysis of signaling message processing unit flows through, the Subscriber Number of intercepting as required, filters out and needs signaling message to be processed, and be transmitted to by the signaling message filtered out and intercept sub-platform, wherein for short message, message is sent to and intercepts sub-platform and carry out record; Intercept sub-platform analog subscriber launch position renewal process, the acknowledgement message of location updating is added simultaneously and send to user to roam the switching equipment at place after intercepting sub-platform relevant parameter.
Preferably, the described method realizing intercepting based on signaling technology also comprises: when being listened user and making a call, related signalling messages is first sent to and intercepts sub-platform, intercept sub-platform to the new called number of this call distribution, sub-platform is intercepted to route the call to, intercept sub-platform according to real called number query routing, again the calling that initiation one is new is to real called number, after real called number is connected, these two speech channels of bridge joint, user can normal talking thus, and intercepts sub-platform and record relevant information in speech channel, when being listened user and answering the call, be listened user attaching register and send routing inquiry message to intercepting sub-platform, intercept sub-platform in the acknowledgement message of loopback, carry the routing number of intercepting sub-platform, intercept the true roaming switching equipment transmission routing inquiry message of sub-platform to this user simultaneously, obtain routing number, after arriving according to the calling intercepting sub-platform routing number, intercept the switching equipment that sub-platform also truly roams to user to make a call, these two speech channels of bridge joint simultaneously, now user can normal talking, and intercept sub-platform and record relevant information in speech channel, intercept sub-platform and record signalling interactive process simultaneously, and preserve after it is associated with speech channel relevant information.
Preferably, signaling message to be processed is needed to comprise location update message, routing inquiry message and short message.
The present invention, when not transforming conventional network equipment, independently disposes and completes and intercept and record, avoids other similar system and need revise existing network data, need other network elements to coordinate transformation, need the shortcomings such as other network element cooperations of existing network during use.
Accompanying drawing explanation
By reference to the accompanying drawings, and by reference to detailed description below, will more easily there is more complete understanding to the present invention and more easily understand its adjoint advantage and feature, wherein:
Fig. 1 schematically shows the networking diagram example realizing the system intercepted according to the preferred embodiment of the invention based on signaling technology.
Fig. 2 schematically shows the schematic diagram of the example of operation flow according to the preferred embodiment of the invention.
It should be noted that, accompanying drawing is for illustration of the present invention, and unrestricted the present invention.Note, represent that the accompanying drawing of structure may not be draw in proportion.Further, in accompanying drawing, identical or similar element indicates identical or similar label.
Embodiment
In order to make content of the present invention clearly with understandable, below in conjunction with specific embodiments and the drawings, content of the present invention is described in detail.
In order in communication network, for the needs of some aspect, launch to intercept to particular number, the present invention designs a kind of system and method for the Lawful intercept based on signaling technology, system by some be serially connected with signaling message processing unit in signaling link and intercept sub-platform form.Signaling message processing unit is according to preset number, the location update message of this part number is caught and sends it to and intercept sub-platform and process, intercept the position updating process of sub-platform simulation correlation number and then control the calling and called process of user, in speech channel through intercepting collection and the preservation that sub-platform carries out relevant information.
Some communication nodes that the system of the Lawful intercept based on signaling technology of the present invention connects based on the signaling link by signaling network, and based on the communication network that mobile communication terminal forms.Communication node includes but not limited to sms center, mobile switching centre, attaching position register.The communication service be listened includes but not limited to call and/or note.
The system of the Lawful intercept based on signaling technology of the present invention comprises signaling message processing subsystem and intercepts sub-platform, signaling message processing subsystem at least comprises a signaling message processing unit and is serially connected with in the signaling link needing to carry out business triggering, each signaling message processing unit with intercept sub-platform and be connected by data link.Such as, this is intercepted sub-platform and has signaling with existing communication net and speech channel is connected.
Signaling message processing unit is serially connected with in signaling data link, for the treatment of the signaling message with forwarding flow warp; According to the listen for user number Sum fanction of setting, the signaling message that the real-time analysis of signaling message processing unit flows through, if coupling intercepts number Sum fanction, then according to concrete signalling interactive process, reciprocal process is guided to and intercepts sub-platform, control the registration of user and calling and called process by intercepting sub-platform and complete the process of intercepting or intercept sub-platform carry out record by sending to after signaling message record.
Intercept sub-platform to be connected with each signaling message processing unit and existing communication net, that intercepts subsystem reception user intercepts instruction, by Subscriber Number, intercept rule etc. be loaded into each signaling message processing unit, receive the instruction from signaling message processing unit, control registration process and the calling and called process of user, in the calling and called process of user, the information in storage speech channel and reciprocal process signaling are for analysis and inquiry.
Correspondingly, can dispose the some signaling message processing unit of serial connection and the interception system of intercepting sub-platform in signaling link, this system takes following action:
1) intercepting the setting of sub-platform according to operator, being loaded into signaling message processing unit by needing the Subscriber Number of intercepting;
2) signaling message that flows through of signaling message processing unit real-time analysis, the Subscriber Number of intercepting as required, filter out and need signaling message to be processed, as location update message, routing inquiry message and short message etc., be transmitted to and intercepted sub-platform, for short message, message is sent to and intercepts sub-platform and carry out record;
3) sub-platform analog subscriber launch position renewal process is intercepted, the acknowledgement message of location updating is added simultaneously and send to user to roam the switching equipment at place after intercepting sub-platform relevant parameter, now for user (namely, subscriber terminal equipment corresponding to Subscriber Number, such as mobile phone) home location register, user roams in and intercepts sub-platform, for user, it roams on the switching equipment of location, intercepts sub-platform and records the real roaming location information of user;
4) when being listened user and making a call, related signalling messages is first sent to and intercepts sub-platform, intercept sub-platform to the new called number of this call distribution, call routing, to intercepting sub-platform, intercepts sub-platform according to real called number query routing, and the calling that initiation one is new is again to real called number, after real called number is connected, these two speech channels of bridge joint, now user can normal talking, intercepts sub-platform and records relevant information in speech channel;
5) when being listened user and answering the call, be listened user attaching register and send routing inquiry message to intercepting sub-platform, intercept sub-platform in the acknowledgement message of loopback, carry the routing number of intercepting sub-platform, intercept the true roaming switching equipment transmission routing inquiry message of sub-platform to this user simultaneously, obtain routing number, after arriving according to the calling intercepting sub-platform routing number, intercept the switching equipment that sub-platform also truly roams to user to make a call, these two speech channels of bridge joint simultaneously, now user can normal talking, intercept sub-platform and record relevant information in speech channel,
6) intercept sub-platform and record signalling interactive process simultaneously, preserve after associating with speech channel relevant information, follow-uply can to inquire about according to the information such as number and time point.
The preferred embodiments of the present invention will be specifically described below.Note, following embodiment is for illustration of the present invention, and unrestricted the present invention.
Figure 1 shows that the system group network illustrated example realizing Lawful intercept based on signaling technology, forming as the multiple mobile switching centres (MSC1 to MSCn) on the signaling network Signaling Transfer Point of the concrete example of signaling link or gateway exchange (TMSC), tandem exchange or soft switch (MS or SS) etc. by being connected to, this system also comprises multiple signaling message processing unit and intercepts sub-platform.
Wherein, each signaling message processing unit is connected in the signaling link between MSC and STP, TMSC, and with intercept sub-platform and be connected by data link, signaling message processing unit is used for gathering and analyzing signaling message, and monitoring is listened location registration and the calling and called process of user.
Intercept sub-platform to be connected with each signaling message processing unit by data link, be connected with STP, TMSC with speech channel link by signaling, perform custom system instruction, increase or delete and be listened Subscriber Number, and these number informations are synchronized to each signaling message processing unit, intercept sub-platform to receive from the signaling message of signaling link and the instruction from signaling message processing unit, control the location registration of user, and then control the calling and called process of user, in the process of bridge joint speech channel, the information in record speech channel is to reach the object intercepted.
Fig. 2 is the schematic flow sheet realizing Lawful intercept based on signaling technology.Analyzing and processing step is as follows:
Intercept sub-platform reception from the instruction of user, the information such as Subscriber Number will be listened and be loaded into signaling message processing unit;
Signaling message processing unit detects signaling message, will be listened the location update message of user, and be transferred to and intercept sub-platform, by the position updating process of intercepting sub-platform control user, for short message, message is sent to and intercepts sub-platform and carry out record, in order to subsequent query;
Intercept sub-platform simulation and be listened user's launch position renewal process, like this in user attaching location register, user is registered in and intercepts sub-platform, intercept the location updating acknowledgement message that sub-platform will receive, after adding the parameter being triggered to and intercepting sub-platform, be transmitted to the MSC that listen for user is truly roamed;
Be listened user and initiate caller process, first this process is triggered to and intercepts sub-platform, intercepting sub-platform amendment called number is the routing number of intercepting sub-platform, this message is returned to the MSC being listened user's roaming, calling is initiated to intercepting sub-platform by this MSC, intercepts sub-platform and initiates routing inquiry to real called party number, after obtaining routing number, it is made a call, then by these two speech channel bridge joints, being listened user can normal talking, intercepts the speech channel of sub-platform record and signaling information;
Be listened user to receive calls, first the attaching position register of this user asks for routing number to intercepting sub-platform, intercept the routing number that sub-platform returns to platform, intercept sub-platform ask for true routing number to the MSC that user roams and make a call to this true routing number simultaneously, then by these two speech channel bridge joints, being listened user can normal talking, intercepts the speech channel of sub-platform record and signaling information.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (7)
1. realize the system intercepted based on signaling technology, some communication nodes that described system connects based on the signaling link by signaling network, and based on the communication network that mobile communication terminal forms; It is characterized in that: described system comprises signaling message processing subsystem and intercepts sub-platform, signaling message processing subsystem at least comprises a signaling message processing unit in the signaling data link being serially connected with and needing to carry out business triggering, and each signaling message processing unit with intercept sub-platform and be connected by data link, wherein:
Signaling message processing unit is for the treatment of the signaling message with forwarding flow warp; Wherein, signaling message processing unit is according to the listen for user number Sum fanction of setting, the signaling message that real-time analysis flows through, if the signaling message coupling flowed through intercepts number Sum fanction, then according to signalling interactive process, reciprocal process being guided to and intercepts sub-platform, controlling the registration of user and calling and called process by intercepting sub-platform, and complete the process of intercepting or intercept sub-platform carry out record by sending to after signaling message record;
Intercept sub-platform to be connected with each signaling message processing unit and existing communication net, and intercept subsystem receive user intercept instruction, by Subscriber Number, intercept rule and be loaded into each signaling message processing unit, receive the instruction from signaling message processing unit, control the registration process of user and calling and called process, in the calling and called process of user, store information in speech channel and reciprocal process signaling to carry out analyzing and inquiring about.
2. the system realizing intercepting based on signaling technology according to claim 1, it is characterized in that, the communication service be listened includes but not limited to call and/or note.
3. the system realizing intercepting based on signaling technology according to claim 1 and 2, is characterized in that, described sub-platform of intercepting has signaling with existing communication net and speech channel is connected.
4. the system realizing intercepting based on signaling technology according to claim 1 and 2, it is characterized in that, communication node includes but not limited to sms center, mobile switching centre and/or attaching position register.
5. realize the method intercepted based on signaling technology, it is characterized in that comprising:
At least one signaling message processing unit of serial connection and the interception system of intercepting sub-platform is disposed in signaling link;
Intercept sub-platform and be loaded into signaling message processing unit by needing the Subscriber Number of intercepting;
The signaling message that the real-time analysis of signaling message processing unit flows through, the Subscriber Number of intercepting as required, filters out and needs signaling message to be processed, and be transmitted to by the signaling message filtered out and intercept sub-platform, wherein for short message, message is sent to and intercepts sub-platform and carry out record;
Intercept sub-platform analog subscriber launch position renewal process, the acknowledgement message of location updating is added simultaneously and send to user to roam the switching equipment at place after intercepting sub-platform relevant parameter.
6. the method realizing intercepting based on signaling technology according to claim 5, characterized by further comprising:
When being listened user and making a call, related signalling messages is first sent to and intercepts sub-platform, intercept sub-platform to the new called number of this call distribution, intercept sub-platform to route the call to, intercept sub-platform according to real called number query routing, the calling that initiation one is new is again to real called number, after real called number is connected, these two speech channels of bridge joint, user can normal talking thus, and intercepts sub-platform and record relevant information in speech channel;
When being listened user and answering the call, be listened user attaching register and send routing inquiry message to intercepting sub-platform, intercept sub-platform in the acknowledgement message of loopback, carry the routing number of intercepting sub-platform, intercept the true roaming switching equipment transmission routing inquiry message of sub-platform to this user simultaneously, obtain routing number, after arriving according to the calling intercepting sub-platform routing number, intercept the switching equipment that sub-platform also truly roams to user to make a call, these two speech channels of bridge joint simultaneously, now user can normal talking, and intercept sub-platform and record relevant information in speech channel,
Intercept sub-platform and record signalling interactive process simultaneously, and preserve after it is associated with speech channel relevant information.
7. according to claim 5 or 6, realize based on signaling technology the method intercepted, wherein need signaling message to be processed to comprise location update message, routing inquiry message and short message.
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