CN1756274A - Snooping method based on telecommunication exchanger system - Google Patents
Snooping method based on telecommunication exchanger system Download PDFInfo
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- CN1756274A CN1756274A CN 200410073126 CN200410073126A CN1756274A CN 1756274 A CN1756274 A CN 1756274A CN 200410073126 CN200410073126 CN 200410073126 CN 200410073126 A CN200410073126 A CN 200410073126A CN 1756274 A CN1756274 A CN 1756274A
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Abstract
The invention relates to a method based on monitoring telegraphy exchange. Wherein, preparing a monitor management module to set objective phone number and notify phone number, an observation module, and a listening-in module in exchange system; when calling phone matching with being monitored number, sending monitor information to management module and triggering listening-in module, transmitting calling control list and notify phone number to listening-in module; listening-in module sends a special calling to being monitored phone; when answering, the listening-in module applies tri-aspect calling resource, obtains exchange network resource of both sides from said list, connects tri-aspect circuit to calling resource, and realizes monitor. This method has high security and reliability, and makes good use of existing exchange function.
Description
Technical field
The present invention relates to the switch technology of field of telecommunications, particularly a kind of method of monitoring based on telecommunication exchanger system.
Background technology
A lot of communication systems can provide monitoring service, and monitoring service generally can only be used by law enforcement, and any monitoring behavior without the country one belongs to's legal agency approval all is considered to illegal act.It generally is that law enforcement is used when the suspect is monitored that the typical case of monitor function uses, by monitoring to suspect's phone, grasp evidence of crime or conceal clue etc., thereby state's laws mechanism can be brought to justice the suspect.At present, a lot of companies have proposed the method for various monitorings, such as the method that has position-based to monitor, the method for monitoring based on wireless network is arranged, also have the method monitored based on communication terminal etc., above the whole bag of tricks all respectively has characteristics, range of application is separately arranged, also have some shortcomings simultaneously, need be done corresponding the cooperation by detectaphone such as monitoring based on communication terminal, promptly carry out some transformation, may realize hardly in some cases.Utilize exchange and the disposal ability and the existing telecommunication service function of telecommunication exchanger system, monitored number and monitor number, realize the monitoring of monitoring personnel, never realize at present being conversed by the eavesdropping target by being provided with.
Summary of the invention
No matter the purpose of this invention is to provide a kind of enforcement flexibly and easy and simple to handle, be fixing or the mobile switch system can utilize this method to realize a kind of method of monitoring based on telecommunication exchanger system of monitor function.
The technical scheme that realizes the object of the invention is:
A kind of method of monitoring based on telecommunication exchanger system, this method comprises:
Management of monitor module, monitor module and monitoring module are set in telecommunication exchanger system;
In the management of monitor module, set and monitored telephone number and monitor telephone number;
When monitor module finds that being monitored phone calls out, then trigger and monitor module;
Monitor module and initiate a special calling to monitoring phone; With
Monitor module and utilize the Three-Way Calling technology, realize monitoring being conversed by the eavesdropping target.
The call control table that described monitor module is using switch inside carries out cyclic check, when finding the telephone number of calling out and being monitored telephone number matches, then to management of monitor module transmitting monitoring information, trigger simultaneously and monitor module, and this call control table and monitoring telephone number are passed to the monitoring module.
Described monitor module adopts the mode of scanning piecemeal to monitor to call control table.
The inspection step of described monitor module is:
A, earlier to call control table check calling number whether be monitored numbers match, if coupling is then returned the matching check successful information to monitor module;
B, if do not match, then check called number whether be monitored numbers match, if coupling is then returned the matching check successful information to monitor module;
C, if do not match, the original called party number of then checking forwarded calls whether be monitored numbers match, if coupling is then returned the matching check successful information to monitor module;
D, if do not match, then check number that the local exchange forwarded calls transfers to whether be monitored numbers match, if coupling is then returned the matching check successful information to monitor module;
E, if do not match, then return the matching check failure information to monitor module.
Described monitor module adopts the effective length coupling to the inspection that is monitored telephone number.
Described monitoring module comprises: be triggered when monitoring module, monitor module and initiate a calling monitoring phone, after monitoring telephone answering, monitor module application Three-Way Calling resource, find the call control table of being monitored phone, and from the call control table of being monitored phone, obtain being monitored the switching network resource that both sides take, three parts's circuit is linked on the Three-Way Calling resource.
Described Three-Way Calling resource adopts unidirectional networking with the networking mode of monitoring phone one side, when monitoring end of conversation, monitors module and is responsible for discharging the Three-Way Calling resource that this monitors application.
Described monitoring module was set up the interrelated of monitored call and monitored call before initiating monitored call, record the other side's call control table number in the call control table that takies separately;
At the sign of monitoring and be provided with respectively in the call control table of monitoring monitored call and monitored call;
Monitoring module is the number with distinctive mark to the calling telephone number that the monitoring personnel make a call.
Described a kind of method of monitoring based on telecommunication exchanger system further comprises: utilize the calling control flow of this switch system, realize utilizing any phone of this switch system as monitoring phone;
Utilize the interoffice signaling of standard, realize utilizing any phone of other switch systems as detectaphone;
Utilize calling transfer, the calling of this switch system to keep and call waiting, realize being monitored the monitoring of phone.
Described management of monitor module can be provided with the working method of monitor module, has five-star access privilege rank, the management of monitored data and monitor function and store monitor log and show relevant information.
Because the particularity of monitor function itself, the activation of monitor function needs the user right and the password of highest level, and general room management personnel can't use monitor function.
In order to finish monitor function, in switch, increase monitor module and monitor module, monitor module is used for monitoring the calling of being monitored, monitor the whole callings (comprising Home Exchange Call, outbound call, incoming call, transfer calling etc.) in this switch scope, monitor module finds quickly and accurately by the eavesdropping target from whole callings of this switch, trigger then and monitor module, start snoop procedure.The mode that the monitor module employing cycle carries out realizes, the monitored data that monitor module relates to comprises the telephone number monitored, monitors number etc., and these data are configured and revise by the management of monitor module of switch system maintenance console.
Monitor module and triggered by monitor module, suction parameter comprises by eavesdropping target's call control table, monitors telephone number etc.So-called call control table is exactly the data form of metered call information in the switch system, stores the details of current calling specially, comprises calling number, called number, air time or the like, as shown in Figure 1.In case monitoring module is triggered, (called number is for monitoring number to special calling of detectaphone initiation at once to monitor module, obtain from suction parameter), after treating that detectaphone is replied, monitor module and carry out special networking action, promptly apply for a new Three-Way Calling resource, find the call control table of being monitored (obtaining) subsequently from suction parameter, and from being obtained being monitored the switching network resource (switch system internal resource) that both sides take by the call control table of monitoring, at last the circuit (i.e. switching network resource separately) of tripartite (being added monitoring phone one side by monitoring two sides) is linked on the Three-Way Calling resource of just having applied for by switching network, thereby realized that the monitoring personnel are to being monitored the monitoring of personnel, talking.Different with the Three-Way Calling of general meaning, this method adopts unidirectional networking on Three-Way Calling resource and monitoring phone one side's networking mode, rather than the two-way networking of general Three-Way Calling, can guarantee that like this monitoring personnel can hear the conversation of being monitored the people, can't be discovered and monitored and monitor the people.In case the monitoring end of conversation is monitored module and is responsible for discharging the Three-Way Calling resource that this monitors application, guarantees the normal recovery of system resource, does not influence the use of normal three party service on the switch.
The present invention has following characteristics:
1. compare with existing monitor method, outstanding feature is to possess flexibility and ease for operation.In existing monitor method, the monitoring activity of law enforcement agency is owing to the restriction of audiomonitor is generally all carried out in special place, and generally all must keep the appearance that waits intercept target in certain fixing place always, the monitoring personnel are very tired out, though and the present invention is based on switch technology, but specific implementation is based on any plain old telephone, and there is not a restriction in place, promptly the personnel of monitoring can use any phone (landline telephone, mobile phone or Personal Handyphone System) realize flexibly by the monitoring of intercept target, particularly when the monitoring personnel use mobile phone to monitor, must not keep in certain fixed place always, can realize monitoring in arbitrary site, this brings great convenience property and flexibility can for the monitoring personnel, and has improved the operability of monitoring activity greatly.
2. the present invention is based on the switch technology of standard, and can make full use of the prior function and the operation flow of switch system, specifies as follows:
By the calling control flow of this switch system, any phone (landline telephone or mobile phone) that can utilize this switch system is as monitoring phone;
Interoffice signaling (being signalings such as TUP, ISUP, NO.1) by standard can utilize the phone (gsm mobile telephone, CDMA mobile phone, Personal Handyphone System, landline telephone, voice mail etc.) of other switch system to make detectaphone;
The monitoring behavior is further improved in new business or supplementary service by this switch system, promptly cooperates monitoring by making full use of telecommunication services such as calling transfer, calling maintenance, Call Waiting.Illustrate, for the convenient, flexible property of monitoring, can set certain mobile phone for monitoring phone, but because the existence of mobile telephone signal power and blind area, might can miss the monitoring phone by chance, in order to address this problem, the Call Forwarding on mobile subscriber Not Reachable that can set mobile phone is to certain voice mail or certain landline telephone, and the monitoring personnel do not worry monitoring phone owing to using mobile phone to miss certain important quilt like this; In addition, for fear of the monitoring personnel when use monitoring phone and miss and monitored phone, the monitoring personnel can also wait for or call forwarding on busy (can forward in the past on voice mail or other phone) the detectaphone register call, monitor personnel like this and also can make a phone call by the convenient monitoring phone that uses during monitoring; Also have, can make things convenient for the monitoring personnel to change the monitoring phone flexibly by Call Forwarding, such as the monitoring personnel out of doors activity can use mobile phone to make detectaphone, when he gets back to office or family, can change flexibly by the Call Forwarding Unconditional business (preceding Work Telephone or the family phone of forwarding to) that oneself activates mobile phone and monitor phone, and need not the switching room modification management of monitor data of Telecom Facilities.
3. compare with other monitor method, the present invention also has other relevant monitor function, because the complete numbers match inspection technique that the present invention adopts, promptly except to calling number and the called number inspection, also increased original called party number, the number transferred to carried out matching check, so just can with listened to by all associated call of eavesdropping target.For example Call Forwarding services have been registered by the eavesdropping target, when the people calls out by the eavesdropping target in the Call Forwarding mode, the user of actual conversation is not listed in the eavesdropping target, but this calling is obviously followed by the eavesdropping target relation is arranged, other monitor method can't be monitored such calling, but adopts the present invention can realize monitoring to this type of calling.
The present invention has high level security, and at first switch system is the special installation that belongs to Telecom Facilities, for the consideration of security reliability, generally all is placed on special place, and general personnel can't contact; Secondly, in order to improve the fail safe of monitoring, prevent that unauthorized person from utilizing the monitor function of switch system arbitrarily to monitor other people phone, the activation of this monitor function and management all need the highest user class of switch system, prevent the illegal act that utilizes this audiomonitor to invade other people privacy effectively.
Description of drawings
Fig. 1 is a call control table data structure schematic diagram;
Fig. 2 is a structural representation of realizing monitor function based on switch system;
Fig. 3 is a snoop procedure schematic diagram of the present invention;
Fig. 4 is that the monitor module numbers match is checked flow chart in the present embodiment;
Fig. 5 is for monitoring the module workflow diagram.
Embodiment
Describe implementation of the present invention in detail below in conjunction with embodiment.
In the present embodiment, be that example illustrates the method for the present invention of implementing only with mobile switch (MSC) system.For the fixed switch system, also can realize monitor function with reference to the flow process of present embodiment.
Fig. 2 is a structural representation of realizing monitor function based on the mobile switch system, and it comprises management of monitor module 1, monitor module 2 and monitors module 3.The switch system that realization the present invention relates to comprises maintenance console and switch, in mobile switch system maintenance platform, increase management of monitor module 1, monitor function is managed and data configuration, in mobile switch, increase monitor module 2 and monitor module 3, finish concrete monitor function; After monitor module 2 receives monitored data from the management of monitor module 1 of maintenance console, activate immediately and start,, by internal interface monitoring data is issued at once and monitored module 3 in case monitors successfully, and triggering monitoring module.
Can understand whole snoop procedure from Fig. 3, if switch system has been opened monitor function, and be provided with monitored data, phone A is monitored phone, phone C is for monitoring phone, in case phone A and others (phone B) make a phone call, (see the connection 1 of Fig. 3, this moment, switch linked together two phones by switching network, be common networking mode), will be caught by the monitor module of switch at once, and trigger and monitor module, the monitoring module is initiated one immediately and is called out monitoring phone C (seeing the connection 2 of Fig. 3), replys in case monitor phone C, monitor module and apply for the Three-Way Calling resource at once, and the modification networking mode, promptly three phones all are connected on the Three-Way Calling resource of new application, and take unidirectional networking mode (seeing the connection 3 of Fig. 3) on the direction of phone C, satisfy the special requirement of monitoring, so just realized monitoring phone C being monitored the monitor function of phone A.
One, management of monitor module
(1) at first in order to guarantee the fail safe of monitor function, the management of monitor module must have five-star access privilege rank, and long password (alpha-numerical coding is set, be no less than 24) protection, highest level user periodic modification user password in addition, and the password code of noting not adopting I, telephone number etc. easily to be decrypted birthday;
(2) management of monitored data, promptly, comprise the number of being monitored, monitor data such as number from the many groups of maintenance console input monitored data (promptly carrying out many groups simultaneously monitors), in addition, also comprise the execution cycle that monitor module is set and the data such as number of monitor module single sweep operation call control table.For the ease of management of monitor, in the management of monitor module, has the related command at monitored data such as ' increase ', ' deletion ', ' modification ', ' demonstration ', for example the monitoring personnel are by ' demonstration ' order, can check monitoring information concrete in this switch system at any time, comprise and monitored number and monitor number etc., and can utilize ' modification ' order to make amendment at any time;
(3) the management of monitor module can be stored monitor log and be shown relevant information, promptly in case monitored the phone appearance, the monitor module of switch inside is issued the related data of being monitored phone the management of monitor module of maintenance console at once, the management of monitor module stores it and shows at correlation window, comprise Looking Out Time, with information such as the number of being monitored the people telephone user, the duration of call.
(4) management of monitor function, for safety and the management of realization monitoring neatly, can realize by the mode of Long-distance Control, promptly at the telecommunications room maintenance console (in order to guarantee fail safe, can set up a maintenance console as monitoring special-purpose maintenance console specially, the machine room personnel have no right to land) and the monitoring computer system of law enforcement agency in remote control software is installed respectively, and connect by telephone wire or ethernet line, the law enfrocement official does not use telecommunications room and the management that just can realize monitoring on the monitoring computer system of own office like this, comprises the setting of monitored data, the inquiry of monitor log and daily record etc.
Two, monitor module
(talking state) call control table that monitor module is using switch inside carries out cyclic check, promptly to the calling number in the call control table, called number, original called party number and be monitored number and carry out matching check, in case the coupling of discovery, management of monitor module transmitting monitoring information on maintenance console at once, trigger simultaneously and monitor module, and this call control table (being used by the eavesdropping target) and monitoring number are passed to the monitoring module.
The execution cycle of monitor module is set according to actual conditions, real-time requirement in order satisfy to monitor in the present embodiment, the execution cycle of monitor module is provided with shorter, under the default situation be 100 milliseconds, and can make amendment by the management of monitor module on the switch system maintenance console, the modification scope is 100 milliseconds to 10 seconds.If it is not very high that the real-time of monitor function requires, then the execution cycle of monitor module can be adopted a second level;
The scanning of monitor module (inspection) mode: adopt the mode of scanning piecemeal in the present embodiment, the a certain number of call control table of promptly each inspection, be provided with in the present embodiment and check that number is 100, and can be configured modification from the management of monitor module on the switch system maintenance console, the configuration scope is 50 to 1000.This scan mode piecemeal can be guaranteed the security and stability of switch so that monitor module is lower to the system processor occupancy.
The numbers match inspection of monitor module, be how monitor module determines that in the switch which opens call control table and monitored phone and use, in the present embodiment to the several special numbers in the call control table (comprising calling number, called number, original called party number etc.) be monitored number and carry out matching check.
Fig. 4 is that the monitor module numbers match is checked flow chart in the present embodiment, at first at step S41, the inspection suction parameter is a call control table, enter step S42 check calling number whether be monitored numbers match, if coupling is then returned the matching check successful information to monitor module, if do not match, then enter step S43, check called number whether be monitored numbers match, if coupling is then returned the matching check successful information to monitor module, if do not match, then enter step S44, the original called party number of checking forwarded calls whether be monitored numbers match, if coupling is then returned the matching check successful information to monitor module, if do not match, then enter step S45, check number that the local exchange forwarded calls transfers to whether be monitored numbers match, if coupling is then returned the matching check successful information to monitor module, if do not match, then return the matching check failure information to monitor module.Can accomplish comprehensive inspection according to above-mentioned flow process, prevent to miss with by some relevant calling of eavesdropping target, it is professional to C (if being possessed certain anti-monitoring ability by the eavesdropping target) for example to have been registered unconditioned call connection by eavesdropping target A, like this when other phone B calls out by eavesdropping target A, that reality is conversed is phone B and phone C, adopt the inspection method of Fig. 4, (calling number of this calling is B to the called number that calling number that step S42 checks and step S43 check, called number is C) all can't be with successful by monitoring number (A number) matching check, but the original called party number (original called party number of this calling is A) of the forwarded calls that step S44 checks is with successful by monitoring number (A number) matching check, so still can arrive this call supervision, this matching check method can guarantee substantially to listen to by the relevant whole callings of eavesdropping target.
In order to prevent that some people from utilizing the significant number back to increase other invalid number (promptly add in addition in true number back and dial unnecessary number) and hiding the possibility of being monitored, the number inspection method can adopt effective length matching process (being as the criterion to monitor the phone actual length of the number).
Three, monitor module
Monitor module and finish concrete monitor function, monitoring module is triggered by monitor module, and obtain by eavesdropping target's call control table number and monitor parameter (from interface parameters, obtaining) such as number from monitor module, monitoring module directly initiates monitoring the calling of phone, and in the call control table that this calling takies, make special sign (utilize in the call control table one or two bits realize), be used for distinguishing with common calling, in case monitoring telephone answering, monitor the networking operation that module is applied for the Three-Way Calling resource at once and carried out special (unidirectional), so just realized being monitored the monitoring of phone.
Shown in Figure 5, in the present embodiment, monitor concrete realization flow step and be: wherein step S51 is the reception of monitored data, i.e. the monitored data that need to obtain from monitor module (call control table of being monitored, monitor parameters such as number); Step S52 is the tissue of monitored call, promptly organizes number to initiate monitored call, does distinctive mark in this call control table; Whether step S53 monitors phone and replys, if do not reply, then discharges corresponding resource; If monitor telephone answering, then enter step S54, wherein step S54 is the realization of monitoring, promptly in case monitor telephone answering, monitor module and apply for the Three-Way Calling resource at once, and utilize this resource to be carried out special networking, enter step S55 and realize by eavesdropping target's monitoring monitoring and monitor phone; In a single day step S56 monitors to discharge, and is promptly monitored or monitor the phone on-hook, monitor module and discharge corresponding Three-Way Calling resource, discharges the corresponding call resource, monitors and finishes.
Further specify monitoring module below:
(1) tissue of monitored call, in order to notify the monitoring personnel to monitor, need make a call to monitoring phone (notice prison hearer), in the present embodiment, the called number of monitored call is exactly the number of detectaphone, and filling in of calling number has more practical significance, in order to allow this incoming call of the convenient identification of monitoring personnel be monitored phone or ordinary calls, monitoring module should fill in special number for the calling number in the calling of monitoring personnel initiation, such as being monitored the fixing prefix composition of number front increase, the monitoring personnel are once seeing that this caller ID (special prefix) knows that this is one and is monitored phone like this, and can see directly on calling number (calling number except that prefix) which is monitored object and has been monitored (registering under the situation that many sets of numbers monitor especially meaningful at the same time), the special prefix that adopts in the present embodiment is " 999 ", the number of being monitored as quilt is 8201234, the calling number that shows on the personnel's of monitoring phone is " 9998201234 " so, the monitoring personnel just can " 999 " from calling number determine that this calling is a monitored call at once, and further determine this calling by the eavesdropping target, be in the calling number except the part of special prefix, be exactly " 8201234 " number in this example;
(2) monitor and monitored call between interrelated, monitored module before initiating monitored call, need set up the interrelated of monitored call and monitored call, record the other side's call control table number in the call control table that takies separately, in the present embodiment, the variable that increases one 32 bit in each call control table newly is used to write down the call control table that is associated number, make between two call control tables realize interrelated, and the sign of monitored call and monitored call is set respectively in the call control table of monitored call and monitored call, be used for distinguishing with ordinary call, in the present embodiment, used the bit of two free time in the call control table to indicate, and carried out following definition: " 0 " represents ordinary call, " 1 " represents monitored call, " 2 " represent monitored call, like this after monitoring end, still be the first on-hook in monitoring side no matter, can discharge back on-hook one side's related resource by association between two call control tables and call sign by the first on-hook in the side of monitoring.
(3) special networking mode, in the present embodiment, two-way and the unidirectional networking of adopting common telecommunication exchanger system all to support, the suspension order realizes, specify as follows, in case detectaphone is replied, monitor module and begin to start special networking operation, at first apply for Three-Way Calling resource (identical) with the method for the three party service application Three-Way Calling resource of general switch system, disconnect the networking of monitored call then by the suspension order of switch system, at last Three-Way Calling resource and monitoring, carried out special networking by monitor resource, promptly tripartite (comprise and monitored two sides and monitor a side) switching network by telecommunication exchanger system is connected on the Three-Way Calling resource of new application, what be worth paying special attention to is, the Three-Way Calling resource adopts bidirectional mode (realizing by two-way networking order the most frequently used on the telecommunication exchanger system) with the networking of being monitored both sides, (only the Three-Way Calling resource is networked on the direction of monitoring but the Three-Way Calling resource adopts one way system with the networking of monitoring a side, do not network in the other direction, the unidirectional networking order of all supporting by common telecommunication exchanger system realizes), can guarantee that like this monitoring personnel can hear the conversation of being monitored the people, can't be discovered and monitored and monitor the people.
(4) Three-Way Calling resource, in the present embodiment, for the successful property that guarantees to monitor, increase the quantity of the Three-Way Calling resource of switch system, and reserve a part of Three-Way Calling resource and specially do to monitor use, can guarantee the reliability and the accuracy of monitor function like this;
(5) fusion of monitoring and prior art, in the present embodiment, for monitored call, basically utilize the called call proceeding flow process of telecommunication exchanger system standard fully, only carry out the judgement of monitored call in the key point of " networking " and " release ", (" networking " state time need be according to the operation of networking of the special networking mode in top (3) if monitored call is then handled by monitored call, under " release " state, need discharge relevant resource) according to interrelated in top (2), otherwise handle according to ordinary call, Zui Da benefit is to make full use of existing call flows of switch system and business processing flow like this, and realizes monitoring the Call Forwarding of phone easily, call out and keep, telecommunication services such as Call Waiting;
(6) release of monitored call, in the present embodiment, after monitoring end of conversation, relate to and call out some particular problems that discharge, be elaborated below, if by the first on-hook of eavesdropping target's (being monitored any one party of both call sides), in the time of the call release control table, increase the whether judgement of monitored call (monitoring in (2) above utilizing, the monitored call sign), if not monitored call, then handle according to ordinary call, if monitored call, then utilize to monitor and interrelated (according to two call control tables in top (2) interrelated) of monitored call, find the call control table of monitored call, discharge the resource and the Three-Way Calling resource of monitored call; If the first on-hook of monitored call one side (monitoring personnel think the necessity that does not continue monitoring), the judgement that increases in the time of call release monitored call (is monitored in (2) above utilizing, the monitored call sign), if not monitored call, then handle according to ordinary call, if calling out, this is monitored call, in order not influence the calling of being monitored phone, also to recover original networking mode, promptly change monitored call both sides' networking mode into (according to the interrelated call control table of being monitored that finds of two call control tables top (2) from the networking mode of Three-Way Calling resource, then at the call control table of being monitored, carry out the two-way networking order of telecommunications switch), and the related resource of release Three-Way Calling resource and monitored call.
The invention provides a kind of method of monitoring based on telecommunication exchanger system, realize monitoring by in switch system, increasing monitored data administration module, monitor module and monitoring module to designated telephone, provide convenience simultaneously and monitor means flexibly, promptly can utilize any phone (comprising mobile phone, landline telephone, voice mail etc.) to realize being monitored phone simultaneously and can using new business such as Call Forwarding, Call Waiting, calling maintenance to assist to finish the monitoring activity to monitoring the monitoring of phone.
Claims (10)
1, a kind of method of monitoring based on telecommunication exchanger system is characterized in that comprising:
Management of monitor module, monitor module and monitoring module are set in telecommunication exchanger system;
In the management of monitor module, set and monitored telephone number and monitor telephone number;
When monitor module finds that being monitored phone calls out, then trigger and monitor module;
Monitor module and initiate a special calling to monitoring phone; With
After monitoring telephone answering, monitor module and utilize the Three-Way Calling technology, realize monitoring being conversed by the eavesdropping target.
2, a kind of method of monitoring based on telecommunication exchanger system according to claim 1, it is characterized in that: the call control table that monitor module is using switch inside carries out cyclic check, when finding the telephone number of calling out and being monitored telephone number matches, then to management of monitor module transmitting monitoring information, trigger simultaneously and monitor module, and this call control table and monitoring telephone number are passed to the monitoring module.
3, a kind of method of monitoring based on telecommunication exchanger system according to claim 1, it is characterized in that: described monitor module adopts the mode of scanning piecemeal to monitor to call control table.
4, a kind of method of monitoring based on telecommunication exchanger system according to claim 1 and 2 is characterized in that the inspection step of monitor module is:
A, earlier to call control table check calling number whether be monitored numbers match, if coupling is then returned the matching check successful information to monitor module;
B, if do not match, then check called number whether be monitored numbers match, if coupling is then returned the matching check successful information to monitor module;
C, if do not match, the original called party number of then checking forwarded calls whether be monitored numbers match, if coupling is then returned the matching check successful information to monitor module;
D, if do not match, then check number that the local exchange forwarded calls transfers to whether be monitored numbers match, if coupling is then returned the matching check successful information to monitor module;
E, if do not match, then return the matching check failure information to monitor module.
5, a kind of method of monitoring based on telecommunication exchanger system according to claim 1 and 2 is characterized in that, monitor module adopts the effective length coupling to the inspection that is monitored telephone number.
6, a kind of method of monitoring based on telecommunication exchanger system according to claim 1, it is characterized in that: be triggered when monitoring module, monitor module and initiate a calling monitoring phone, after monitoring telephone answering, monitor module application Three-Way Calling resource, find the call control table of being monitored phone, and from the call control table of being monitored phone, obtain being monitored the switching network resource that both sides take, three parts's circuit is linked on the Three-Way Calling resource.
7, a kind of method of monitoring based on telecommunication exchanger system according to claim 6, it is characterized in that: the Three-Way Calling resource adopts unidirectional networking with the networking mode of monitoring phone one side, when monitoring end of conversation, monitor module and be responsible for discharging the Three-Way Calling resource that this monitors application.
8, a kind of method of monitoring based on telecommunication exchanger system according to claim 6, it is characterized in that: monitored module before initiating monitored call, set up the interrelated of monitored call and monitored call, record the other side's call control table number in the call control table that takies separately;
At the sign of monitoring and be provided with respectively in the call control table of monitoring monitored call and monitored call;
Monitoring module is the number with distinctive mark to the calling telephone number that the monitoring personnel make a call.
9, a kind of method of monitoring based on telecommunication exchanger system according to claim 1 is characterized in that: utilize the calling control flow of this switch system, realize utilizing any phone of this switch system as monitoring phone;
Utilize the interoffice signaling of standard, realize utilizing any phone of other switch systems as detectaphone;
Utilize calling transfer, the calling of this switch system to keep and call waiting, realize being monitored the monitoring of phone.
10, a kind of method of monitoring based on telecommunication exchanger system according to claim 1, it is characterized in that: described management of monitor module can be provided with the working method of monitor module, has five-star access privilege rank, the management of monitored data and monitor function and store monitor log and show relevant information.
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| CNB2004100731268A CN100502434C (en) | 2004-09-29 | 2004-09-29 | Monitoring method based on telecommunication exchanger system |
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| CNB2004100731268A CN100502434C (en) | 2004-09-29 | 2004-09-29 | Monitoring method based on telecommunication exchanger system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101170712B (en) * | 2007-11-27 | 2010-06-02 | 中兴通讯股份有限公司 | A method and system for monitoring intelligent network service |
| CN111405121A (en) * | 2020-02-26 | 2020-07-10 | 深圳震有科技股份有限公司 | User behavior operation monitoring method and system based on voice call |
-
2004
- 2004-09-29 CN CNB2004100731268A patent/CN100502434C/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101170712B (en) * | 2007-11-27 | 2010-06-02 | 中兴通讯股份有限公司 | A method and system for monitoring intelligent network service |
| CN111405121A (en) * | 2020-02-26 | 2020-07-10 | 深圳震有科技股份有限公司 | User behavior operation monitoring method and system based on voice call |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100502434C (en) | 2009-06-17 |
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