CN101039491A - Method for transmitting monitored number to non-monitoring center and mobile switch center MSC - Google Patents
Method for transmitting monitored number to non-monitoring center and mobile switch center MSC Download PDFInfo
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- CN101039491A CN101039491A CNA2007100733727A CN200710073372A CN101039491A CN 101039491 A CN101039491 A CN 101039491A CN A2007100733727 A CNA2007100733727 A CN A2007100733727A CN 200710073372 A CN200710073372 A CN 200710073372A CN 101039491 A CN101039491 A CN 101039491A
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Abstract
The present invention discloses a method of transmitting the monitored number to a non-monitoring center, and a mobile switching center MSC. The said method is that: a, when the mobile switching center MSC receives a calling party or a called party as a call business request of the monitored object, the MSC sets up a monitoring center to the non-monitoring center, and transmits the user numbers of the said monitored object to the non-monitoring center in the establishment process of the monitoring channel. The present inventions overcomes the shortcomings of the existing technologies, using technology program of transmitting the MSC to the information of setting a monitoring channel in the monitoring output side and filling the calling number in the called part number, thereby realize to see which user is monitored on the calling number display of the monitoring output side when the fixed telephone users and mobile users are monitored.
Description
Technical field
The present invention relates to the CDMA technology field, specifically, relate to the monitoring technique among the CDMA.
Background technology
CDMA2000 digital cellular mobile communication systems policing interface (lawful interception interface) is the MSC (MobileSwitching Center mobile switching centre) of this system, GMSC (moving the exchange gateway exchange), HLR (HomeLocation Register attaching position register), SMC (Message Center short message service center), MPC (Mobile Position Center mobile positioning center), the function that PDSN (Packet Data ServingNode packet data serving node) and AAA (Authentication/Authorization/Accounting authenticated/authorized/charging center) equipment must be supported, these equipment link to each other with Lawful Interception Center by policing interface (lawful interception interface).
The function of policing interface (lawful interception interface) is under network element fail safe and whole professional prerequisite that does not have any impact to the CDMA2000 digital cellular mobile communication systems, (type comprises MDN (mobile phone book number Mobile Directory Number) to controlled number in realization, IMSI (International MobileSubscriber Identity international mobile subscriber identity), the real-time tracking and the monitoring of ESN (Electronic Serial Number Electronic Serial Number) and ISDN (Integrated Services Digital Network integrated services digital network) all traffics and non-traffic activity are as mobile terminal-opening, the portable terminal shutdown, portable terminal exhalation traffic, portable terminal incoming call traffic, switch in the mobile terminal calling process, mobile terminal position updating, the special clothes of portable terminal are professional, the mobile terminal SMS transmitting-receiving, data communication, fax transmitting-receiving and portable terminal Packet data service etc.
Policing interface (lawful interception interface) can be followed the tracks of in real time and monitor controlled object activity (all traffic activity and the non-traffic activity of definition in the 3GPP2 standard): for the non-traffic activity of portable terminal, can export corresponding life event in good time; For the traffic activity of portable terminal, when exporting life event in real time, also export the traffic activity content---be Content of communciation.
Fig. 1 is the schematic diagram of CDMA2000 digital cellular mobile communication systems policing interface (lawful interception interface), wherein TNE is the Telecommunication network equipment that is connected with Lawful Interception Center (listening center), LIC is Lawful Interception Center (Lawful Information Center LIC), and policing interface (lawful interception interface) between the two is divided into an X1 interface, an X2 interface and an X3 interface.
Lawful Interception Center (LIC) identifies by existing Telecommunication network equipment and discerns the Telecommunication network equipment (TNE) that is connected with Lawful Interception Center.Each Lawful Interception Center should have a unique identification, and this sign should define when the policing interface (lawful interception interface) initialization as primary data.
Wherein, X1 is a control channel, is used to transmit control command and response between LIC and the MSC, as sets certain user and monitored, and is exactly that LIC tells network element user's controlled information by the X1 passage.
X2 is a data channel, and network element transmits by eavesdropping target's traffic activity and non-traffic activity to LIC by the X2 passage.
X3 is a speech channel, is used for exporting in real time the traffic content of intercepted user to LIC.
The flow process (use ISUP signaling) that local exchange basic call and LIC set up the X3 passage as shown in Figure 2, wherein user MS1 is provided with monitoring by listening center, the flow process that a, b and c step are described among the figure is for setting up the flow process of monitoring output side, and this flow process and basic call flow process are separated.
The basic call flow process is as follows:
1, user MS1 makes a call;
2, BSC (Base Station Controller base station controller) initiates CM_SERVICE_REQ (call business request) message to MSC;
3, MSC issues assignment request message ASS-REQ to the BSC at caller MS1 place, distributes land circuit;
4, BSC returns assignment to MSC and finishes ASS-CMP message after MSC distributes the land circuit success;
5-10, the paging of finishing called mobile phone MS2 and assignment process;
Behind 11-13, the called party answer, send CONNECT (connection message) message to MSC, MSC carries out the net that connects of calling and called to be handled, and MS1 and MS2 begin conversation, and its dialog context can be sent to listening center simultaneously.
It is as follows to set up the flow process of monitoring output side:
After a, MSC receive initiation CM_SERVICE_REQ (service request) message of BSC transmission, judge that this user is provided with monitoring and needs to monitor voice by listening center, then send IAM (initial address) message and set up the passage of monitoring to LIC, wherein IAM message need be with the following additional information of representing with special parameter, the purpose that transmits these special parameters is for related X2 and X3 passage, listening center can be by the concrete parameter of X2 and X3 passage, as Subscriber Number, be associated with concrete user.
Additional information specifically comprises: 10 MSC ID (switch numbering) is exported by the X3 interface with the calling number of IAM message, and its coded format is observed current standard; The number of intercepted user, as: MDN transmits in the mode of Calling Party Subaddress (caller parton address) information word in IAM message; 4 CALL ID (ringing number) transmit in the mode of Called Party Subaddress (called parton address) information word in IAM message;
B, listening center return ALERTING message to MSC;
C, listening center are replied.
As mentioned above, when monitoring output side is listening center, the additional information of representing with special parameter by IAM message, monitoring output can be related with the number of intercepted user with the traffic content that will be monitored, but, when monitoring output side is non-listening center, during as mobile subscriber or fixed telephone subscriber, MSC sends in the signaling of the foundation monitoring passage of monitoring output side does not have the above-mentioned information with special parametric representation, monitor the number that intercepted user can't be known by output side, the traffic content that will be monitored is related with the number of intercepted user.
Summary of the invention
The object of the present invention is to provide a kind of method and moving exchanging center MSC, to solve the problem of when monitoring output side, being monitored the number demonstration for non-listening center to non-listening center transmission quilt monitoring number.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of method to non-listening center transmission quilt monitoring number, described method is:
It is during by eavesdropping target's call business request that a, moving exchanging center MSC receive calling subscriber or called subscriber, set up between described MSC and the described non-listening center and monitor passage, monitor in the passage process in described foundation and transmit described by eavesdropping target's Subscriber Number to non-listening center.
The embodiment of the invention also provides a kind of moving exchanging center MSC from number to non-listening center transmission that monitored, described MSC comprises monitoring number transport module, described monitoring number transport module be used for setting up and non-listening center between the monitoring passage, and monitor in the passage process in described foundation and to transmit by eavesdropping target's Subscriber Number to non-listening center.
Embodiments of the invention overcome the deficiencies in the prior art, employing sends to the foundation of monitoring output side with MSC and monitors the technical scheme that in the message of passage calling number is extended this as the intercepted user number, has realized can finding out which user is monitored by mobile subscriber and fixed telephone subscriber from the caller ID display of monitoring output side when monitoring.
Description of drawings
Fig. 1 is the schematic diagram of cdma2000 digital cellular mobile communication systems policing interface (lawful interception interface);
Fig. 2 sets up in the prior art to monitor output channel and basic call flow process figure;
Fig. 3 is the embodiment of the invention one theory diagram;
Fig. 4 is the embodiment of the invention one flow chart;
Fig. 5 is the embodiment of the invention two flow charts.
Embodiment
The basic principle that the embodiment of the invention adopts is when monitoring output side when being mobile subscriber or common fixed telephone subscriber, MSC will set up the number that calling number in the signaling of monitoring passage extends this as intercepted user, utilize existing caller number display, the number of intercepted user is transferred to mobile subscriber or fixed telephone subscriber, and the monitoring personnel just can find out which user is monitored from the demonstration of mobile phone or landline telephone.
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Embodiment one: monitoring output side is the local exchange mobile subscriber
What present embodiment provided transmits by the MSC of monitoring number as shown in Figure 3 to non-listening center, and described MSC comprises monitoring information processing module and monitoring number transport module, wherein:
The monitoring information processing module is used for judge monitoring output side and indicates described monitoring number transport module for non-listening center and according to judged result, monitors the number transport module and is used for indication adding quilt monitoring number in sending to the foundation monitoring passage signaling of described monitoring output side according to described monitoring information processing module.
Specifically, monitoring the number transport module specifically comprises: first monitors number transmission unit and/or second monitors the number transmission unit, when monitoring output side is the mobile subscriber, first monitor that the number transmission unit is used for setting up and mobile subscriber terminal between the monitoring passage, and the calling number that will send in the assignment request message of described mobile subscriber terminal extends this as by eavesdropping target's Subscriber Number, after the mobile subscriber receives this assignment request message, can learn by eavesdropping target's Subscriber Number by caller number display;
When monitoring output side is the fixed telephone subscriber, second monitor that the number transmission unit is used for setting up and fixed telephone subscriber's terminal between the monitoring passage, and the calling number that will send in the IAM message of fixed telephone subscriber's terminal extends this as by eavesdropping target's Subscriber Number, the fixed telephone subscriber can learn by eavesdropping target's Subscriber Number by caller number display after receiving this IAM message.
The flow process of present embodiment as shown in Figure 4, step 1-step 13 is set up flow process for basic call, each step is the same with describing among Fig. 2;
Step a1-step e is for monitoring the flow process of setting up of output side:
A1-a2, MSC judge that the called subscriber is monitored and monitors output side and is mobile subscriber MS3, to monitoring paging request message under the output side MS3.
Wherein, judge that this mobile subscriber can realize with the number analysis by MSC for monitoring output, identify this number for monitoring the number of output side as increasing a flag bit in the number analysis the inside.
B1-b2, monitoring output side MS3 send page-response message to MSC.
C, MSC judge to monitor output side MS3 when not being listening center but mobile phone user, then do not need to judge again its CLIP (caller ID display) business of whether contracting, directly bring MS3 calling number in assignment request message, what wherein calling number was inserted is the intercepted user number.
Wherein, judge and monitor whether output side is listening center, can be undertaken by following mode: should realize that at some listening center realizes the country of non-listening center output again, because the number of listening center generally is a fixing number, judge and monitor whether output side is listening center, whether can distinguish by the number analysis of MSC, increasing in the number analysis the inside is the listening center number mark, so just can distinguish and monitor whether output side is listening center; In some country that only needs to realize non-listening center output, then this process can be omitted.
D, BSC return assignment and finish message.
Ring and the answering of e, monitoring output side MS3.
In addition, when monitoring output side for he mobile subscriber of office, the intercepted user number can bring by the calling number parameter of interoffice signaling the inside and play a game, and he mobile subscriber of office can obtain equally and be monitored number.
Embodiment two: monitor output side and be he the ordinary fixed user (following interoffice signaling is that example describes with the ISUP signaling) of office:
MSC basically identical among the system configuration of MSC in the present embodiment and operation principle and the embodiment one can be with reference to the description among the embodiment one.
The flow process of present embodiment as shown in Figure 5, step 1-step 13 is set up flow process for basic call, the same with step corresponding among Fig. 2 and Fig. 3, step a-step e is for monitoring the flow process of setting up of output side:
A, MSC judge that the called subscriber is monitored, and monitor output side and be not a listening center but a common fixed number, then the switch to this landline telephone place sends the full message IAM message of initial address, and the number of intercepted user is filled out in the calling number the inside.
Wherein, judge and monitor whether output side is listening center, can be undertaken by following mode: should realize that at some listening center realizes the country of non-listening center output again, because the number of listening center generally is a fixing number, judge and monitor whether output side is listening center, whether can distinguish by the number analysis of MSC, increasing in the number analysis the inside is the listening center number mark, so just can distinguish and monitor whether output side is listening center; In some country that only needs to realize non-listening center output, then this process can be omitted.
B, fixed network switch send ring (ALERTING message) message to landline telephone, the indication ring, and be with calling number.
C, fixed network switch send ACM (address perfect information) message to MSC, indication called subscriber ring.
D, fixed-line subscriber are replied to the fixed network switch and are sent off-hook (replying) message;
E, fixed network switch send ANM (replying) message to MSC, and indication the called subscriber reply.
As mentioned above, when monitoring output side is not listening center, but when mobile subscriber terminal or fixed telephone subscriber's terminal, MSC sends assignment request message to mobile subscriber terminal, perhaps send IAM message to fixed telephone subscriber's terminal, and in assignment request message or IAM message, calling number is extended this as by eavesdropping target's Subscriber Number, make mobile subscriber or fixed telephone subscriber to find out which user is monitored from the caller ID display of monitoring output side.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1, a kind of method to non-listening center transmission quilt monitoring number is characterized in that described method is:
It is during by eavesdropping target's call business request that a, moving exchanging center MSC receive calling subscriber or called subscriber, set up between described MSC and the described non-listening center and monitor passage, monitor in the passage process in described foundation and transmit described by eavesdropping target's Subscriber Number to non-listening center.
2, according to the described method of claim 1, it is characterized in that, wherein transmit described Subscriber Number to non-listening center described in the step a and specifically comprise by the eavesdropping target:
A1, described MSC send assignment request message to described non-listening center, and the calling number in the described assignment request message extends this as described by eavesdropping target's Subscriber Number.
3, method according to claim 1 is characterized in that, wherein transmits described Subscriber Number by the eavesdropping target to non-listening center described in the step a and specifically comprises:
A1, described MSC send initial address IAM message to the switch at non-listening center place, and the calling number in the described message extends this as described intercepted user number.
4, according to the described method of claim 1, it is characterized in that, wherein set up the monitoring passage between MSC described in the step a and the described non-listening center and also comprise before:
Described MSC judges that monitoring output side is non-listening center.
5, method according to claim 4 is characterized in that, described MSC judges that monitoring output side specifically comprises for non-listening center:
Described MSC carries out number analysis to described monitoring output side, judges wherein whether comprise the number mark of listening center, if do not have, determines that then described monitoring output side is non-listening center.
6, according to any described method of claim 1 to 5, it is characterized in that, wherein also comprise after the step a:
After setting up the monitoring passage between described MSC and the described non-listening center, described MSC exports by eavesdropping target's traffic content to described non-listening center.
7, a kind of moving exchanging center MSC from number to non-listening center transmission that monitored, it is characterized in that, described MSC comprises monitoring number transport module, described monitoring number transport module be used for setting up and non-listening center between the monitoring passage, and monitor in the passage process in described foundation and to transmit by eavesdropping target's Subscriber Number to non-listening center.
8, MSC according to claim 7, it is characterized in that, described MSC also comprises the monitoring information processing module, and described monitoring information processing module is used for judging that monitoring output side also will be sent to described monitoring number transport module by eavesdropping target's Subscriber Number for non-listening center.
9, MSC according to claim 7, it is characterized in that, described monitoring number transport module comprises: first monitors number transmission unit and/or second monitors the number transmission unit, described first monitor the number transmission unit be used for setting up with mobile non-listening center between the monitoring passage, and the calling number that will send in the described assignment request message that moves non-listening center extends this as by eavesdropping target's Subscriber Number, described second monitor the number transmission unit be used for setting up with fixing non-listening center between the monitoring passage, and the calling number that will send in the described IAM message of fixing non-listening center extends this as by eavesdropping target's Subscriber Number.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200710073372A CN101039491B (en) | 2007-02-15 | 2007-02-15 | Method for transmitting monitored number to non-monitoring center and mobile switch center MSC |
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| CN200710073372A CN101039491B (en) | 2007-02-15 | 2007-02-15 | Method for transmitting monitored number to non-monitoring center and mobile switch center MSC |
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| CN101039491A true CN101039491A (en) | 2007-09-19 |
| CN101039491B CN101039491B (en) | 2010-05-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106131352A (en) * | 2016-08-29 | 2016-11-16 | 哈尔滨海能达科技有限公司 | A kind of call monitoring method, device, relevant device and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1225923C (en) * | 2002-09-23 | 2005-11-02 | 华为技术有限公司 | Method for monitoring user in mobile communication system |
| CN100341376C (en) * | 2004-07-30 | 2007-10-03 | 华为技术有限公司 | Method for monitoring handset in realtime |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106131352A (en) * | 2016-08-29 | 2016-11-16 | 哈尔滨海能达科技有限公司 | A kind of call monitoring method, device, relevant device and system |
| CN106131352B (en) * | 2016-08-29 | 2019-04-12 | 哈尔滨海能达科技有限公司 | A kind of call monitoring method, apparatus, relevant device and system |
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| CN101039491B (en) | 2010-05-26 |
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