CN103634450A - False caller number identification method, apparatus and system - Google Patents
False caller number identification method, apparatus and system Download PDFInfo
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- CN103634450A CN103634450A CN201210302016.9A CN201210302016A CN103634450A CN 103634450 A CN103634450 A CN 103634450A CN 201210302016 A CN201210302016 A CN 201210302016A CN 103634450 A CN103634450 A CN 103634450A
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Abstract
The invention discloses a false caller number identification method, apparatus and system. The method comprises: receiving a call signaling which is sent by an exchange point to a tandem exchange and is initiated by a caller; extracting a caller number and a source signaling point code included in the call signaling; identifying whether the correlation between the caller number and the source signaling point code accords with a preset incoming call router rule, wherein the incoming call router rule comprises the correlation between the caller number and the source signaling point code; in response to the correlation between the caller number and the source signaling point code being not in accordance with the incoming call router rule, determining that the caller number in a calling message is a false caller number. By using the false caller number identification method, apparatus and system, the on-going calling of the false caller number can be identified, thus the calling of the false caller number can be monitored in real time.
Description
Technical field
The present invention relates to the communications field, particularly the recognition methods of false calling number, device and system.
Background technology
CLIP service, " caller identification " business, is to send calling number to called subscriber, and on called subscriber's terminal equipment, demonstrates the business of calling number.This business, for user brings great convenience, is subject to more and more users' welcome.
Yet nearly section, since period, has occurred utilizing false calling number to communicate the behavior of swindle in society.Lawless person utilizes virtual cell phone number or fixed telephone number to make a call, for example pretend fixed telephone number, international number, personal mobile phone number from government offices, financial institution, to implement phone, swindle, make nuisance calls, maliciously steal the unlawful activities such as user profile.Not only the constituted a serious infringement legitimate interests of validated user of the behavior that utilizes false calling number to implement unlawful activities, also cause the trust crisis of communication user to communication service provider.
Fig. 1 shows in communication network and utilizes the system that false calling number is called out to form schematic diagram.As shown in Figure 1, false calling number is called out can derive from local telecommunication network, also can come from other carrier networks.Take local telecommunication network as example, the unauthorized person of implementing false calling number calling utilizes terminal 101, false calling number is set calls out by VOIP network, information station, little friendship machine or IP gateway hang over exchange for 102 times as Zhuan Huijuhuo end office (EO) 103 times, and false calling number is called out and is sent to tandem exchange 104 and exchanges forwarding.Similarly, when other carrier networks access local telecommunication network by local telecommunication network gateway exchange 105, the unauthorized person of implementing false calling number calling utilizes terminal 101 that false calling number is set and calls out, IP gateway hangs over gateway exchange 107 times for 106 times, because number transparent transmission will retain the number of calling subscriber's setting, therefore, gateway exchange 107 is received after false calling number is called out and is sent to local telecommunication network gateway exchange 105, local telecommunication network gateway exchange 105 is not to caller authentication, calling number is still false calling number, 104 these callings of exchange of Bing You tandem exchange.Above-mentioned implementation method all has certain disguise, and the changeable irregularities of calling number.
At present, the event of conventionally calling out at false calling number for example, is received customer complaint, then the false calling number call event having occurred is traced after occurring, and lacks effectively false calling number is called out and carried out the technical scheme of monitoring in real time.
Summary of the invention
According to the embodiment of the present invention aspect, a technical problem to be solved is: a kind of recognition methods, device and system of false calling number are provided, to provide, false calling number are called out and carried out the technical scheme of monitoring in real time.
According to first aspect of the embodiment of the present invention, the embodiment of the present invention provides a kind of recognition methods of false calling number, comprising:
The call signaling that reception is initiated by the caller that exchanges office point and be sent to tandem exchange;
Extract the calling number, the OPC Origination Point Code that in described call signaling, comprise;
Whether the corresponding relation of identifying described calling number, OPC Origination Point Code meets the calling routing rule setting in advance, and described calling routing rule comprises the corresponding relation of calling number, default OPC Origination Point Code;
Corresponding relation in response to described calling number, OPC Origination Point Code does not meet described calling routing rule, judges that the calling number in described call signaling is false calling number.
According to second of the embodiment of the present invention aspect, the embodiment of the present invention also provides a kind of recognition device of false calling number, comprising:
Receiving element, for receiving the call signaling that is sent to the caller initiation of tandem exchange by exchange;
Extraction unit, the calling number, the OPC Origination Point Code that for extracting described call signaling, comprise;
Whether recognition unit, meet for identifying the corresponding relation of described calling number, OPC Origination Point Code the calling routing rule setting in advance, and described calling routing rule comprises the corresponding relation of calling number, default OPC Origination Point Code;
Identifying unit, does not meet described calling routing rule for the corresponding relation in response to described calling number, OPC Origination Point Code, judges that the calling number in described message related to calls is false calling number.
According to the 3rd of the embodiment of the present invention the aspect, the embodiment of the present invention also provides a kind of recognition system of false calling number, comprising: recognition device, tandem exchange, the exchange office point of the false calling number that second aspect of the embodiment of the present invention provides;
Described exchange office point, for sending to tandem exchange the call signaling that caller is initiated;
Described tandem exchange, for receiving the call signaling from described exchange office point, is sent to described recognition device by described call signaling.
The recognition methods of the false calling number providing based on the above embodiment of the present invention, device and system, owing to having corresponding relation between calling number and calling route, by extracting the calling number comprising in call signaling, and the OPC Origination Point Code that sends the exchange office point of call signaling, identification calling number, whether the corresponding relation of OPC Origination Point Code meets calling routing rule, work as calling number, when the corresponding relation of OPC Origination Point Code does not meet calling routing rule, judge that the calling number in message related to calls is false calling number, therefore can when calling out generation, false calling number identify in time this event, thereby can false calling number be called out and be monitored in real time, effectively prevent that lawless person from utilizing false calling number to implement unlawful activities.
By the detailed description to exemplary embodiment of the present invention referring to accompanying drawing, it is clear that further feature of the present invention and advantage thereof will become.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
, it should be understood that for convenience of description, the size of the various piece shown in accompanying drawing is not to draw according to actual proportionate relationship meanwhile.In similar label and letter accompanying drawing below, represent similar terms, therefore, once be defined in an a certain Xiang Yi accompanying drawing, in accompanying drawing subsequently, do not need it to be further discussed.
The accompanying drawing that forms a part for specification has been described embodiments of the invention, and together with the description for explaining principle of the present invention.
With reference to accompanying drawing, according to detailed description below, can more be expressly understood the present invention, wherein:
Fig. 1 shows in communication network and utilizes the system that false calling number is called out to form schematic diagram;
Fig. 2 illustrates the schematic flow sheet of a kind of embodiment of recognition methods of false calling number provided by the present invention;
Fig. 3 illustrates the schematic flow sheet of the another kind of embodiment of recognition methods of false calling number provided by the present invention;
Fig. 4 illustrates the structural representation of a kind of embodiment of recognition device of false calling number provided by the present invention;
Fig. 5 illustrates the composition schematic diagram of a kind of embodiment of recognition system of false calling number provided by the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.It should be noted that: unless illustrate in addition, the parts of setting forth in these embodiments and the positioned opposite of step do not limit the scope of the invention.
To the description only actually of at least one exemplary embodiment, be illustrative below, never as any restriction to the present invention and application or use.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
For the known technology of person of ordinary skill in the relevant, method and apparatus, may not discuss in detail, but in suitable situation, described technology, method and apparatus should be regarded as authorizing a part for specification.
In all examples with discussing shown here, it is exemplary that any occurrence should be construed as merely, rather than as restriction.Therefore, other example of exemplary embodiment can have different values.
Fig. 2 illustrates the schematic flow sheet of a kind of embodiment of recognition methods of false calling number provided by the present invention.Shown in Figure 2, this embodiment comprises following operation:
Step 201, receives the call signaling that is sent to the caller initiation of tandem exchange by exchange office point.
Step 202, extracts the calling number, the OPC Origination Point Code that in call signaling, comprise.
Step 203, whether the corresponding relation of identification calling number, OPC Origination Point Code meets the calling routing rule setting in advance, and calling routing rule comprises the corresponding relation of calling number, default OPC Origination Point Code.
Step 204, does not meet calling routing rule in response to the corresponding relation of calling number, OPC Origination Point Code, judges that the calling number in message related to calls is false calling number.
For fixing communication network, between calling number and calling route, there is corresponding relation.This corresponding relation is distributed telephone numbers by network organization framework, end office (EO), and principle, calling number transmit standard, spy takes the aspects such as platform and communication network opposite joining relation and comprehensively determines.Therefore, each office direction calling in communication network, it is calling source, the calling number comprising has feature, can only comprise some number, if calling number in the calling of fixing end office's direction can not be toll number or Mobile Directory Number, between net, in the calling of gateway exchange direction, calling number can not be Home Network telephone number etc.
The exchange of take on calling source is example, and in communication network, the corresponding exchange of fixing calling number also should be fixed.Exchange identifies by the OPC Origination Point Code in call signaling, therefore, by extracting the calling number comprising in call signaling, and the corresponding relation between the OPC Origination Point Code of the exchange of transmission call signaling, identification calling number, whether the corresponding relation of OPC Origination Point Code meets the calling routing rule setting in advance, work as calling number, when the corresponding relation of OPC Origination Point Code does not meet calling routing rule, can judge that the calling number in call signaling is false calling number, thereby can when there is false calling number calling, just find in time, and then can false calling number be called out and be monitored in real time.
The another kind of embodiment of the recognition methods of false calling number according to the present invention, calling routing rule is specifically as follows calling number route source mapping table, the corresponding relation that calling number route source mapping table comprises calling number, default OPC Origination Point Code.Whether the calling number comprising in call signaling by comparison, the corresponding relation of OPC Origination Point Code be consistent with the corresponding relation of the calling number comprising in the mapping table of calling number route source, default OPC Origination Point Code, thereby whether calling meets calling routing rule.
Table 1 shows the schematic diagram of a kind of calling number route source mapping table of setting up according to calling routing rule.Ginseng is shown in Table 1, the corresponding relation that this form comprises calling number and OPC Origination Point Code in answering, the mode that the calling number collection that comprises calling number can adopt large prefix coupling or little prefix to combine.List item in the mapping table of calling number route source, the content in list item can be distributed telephone numbers according to network organization framework, the end office (EO) at local communication networking, and principle, calling number transmit standard, spy takes the aspects such as platform and communication network opposite joining relation and arranges, and each calling number has one or more calling route correspondence with it.
Table 1 calling number route source mapping table
| Calling number | Default OPC Origination Point Code | Type | Other attributes |
| ?81234567 | Certain point coding OPC1 of end office (EO) | Local fixed line | This network users |
| ?87654321 | Certain point coding OPC2 of end office (EO) | Local fixed line | This network users |
| ?21345678 | Gateway exchange point coding OPC3 | Local fixed line | Its network users |
| ?010xxxx | Toll switch point coding OPC4 | Toll telephone | |
| ?00852xxxx | International office point coding OPC5 | Overseas call |
For example, the calling that in table 1, calling number is 87654321, for local landline telephone, default OPC Origination Point Code can only be OPC2, if the calling number in this calling is 87654321, OPC Origination Point Code is not OPC2, and the corresponding relation of the corresponding relation of the calling number in call signaling, OPC Origination Point Code and the calling number comprising in table 1, default OPC Origination Point Code is not consistent, can judge that this calling calls out as false calling number.Similarly, calling from other network user can only enter local communication network from gateway exchange, for example, calling number is 21345678 calling, default OPC Origination Point Code in table 1 is gateway exchange point coding OPC3, if the calling number in this calling is 21345678, OPC Origination Point Code is not OPC3, can judge that this calling calls out as false calling number.
In above embodiment, calling routing rule as specific implementation, is identified the corresponding relation of calling number and OPC Origination Point Code by calling number route source mapping table.Those skilled in the art also can adopt other modes to realize, for example, according to the default OPC Origination Point Code of the calling number inquiry in call signaling, then the mode that compares the OPC Origination Point Code comprising in obtained default OPC Origination Point Code and call signaling is identified.
According to different communication systems and concrete communication protocol, can adopt diverse ways to realize and extract calling number, the OPC Origination Point Code comprising in call signaling.
The current Signaling System 7(SS-7) (Signal System7, SS7) of take is example to IP network, and the traffic of local network need continue after the whole tandems of soft switch again.SGW (SG) from exchange office point for example Low Level Signaling Transfer Point LSTP (LSTP) receive for example message of TUP/ISUP agreement of narrow band signalling, convert narrow band signalling to broadband signalling SIGTRAN(Signaling Transport), such as M3UA/M2UA agreement etc., then be sent to SoftSwitch and continue.Therefore can extract by the tandem exchange carrying out soft switch the call-signaling message that each exchange is sent to tandem exchange.
The User Part that is positioned at the 4th layer in the hierarchy of SS7 comprises ISUP (ISDN User Part, ISUP) agreement and Telephone User Part (Telephone User Part, TUP) agreement, mainly processes call setup and release.
The message of ISDN User Part and Telephone User Part, by message signal unit (Message Signal Unit, MSU) carrying, discharges for call setup.Telephone User Part provides the function of call setup and release.The function of ISDN User Part is to expand and form on the basis of Telephone User Part, supports the basic bearer service such as voice service, non-voice service and ISDN supplementary service.In eight hyte fields of business information of message signal unit, by business, represent that it is Telephone User Part or ISDN User Part that language has been indicated what carry.
Below take respectively TUP, ISDN User Part is example, exemplarily introduces the embodiment of the inventive method.
The another kind of embodiment of the recognition methods of false calling number according to the present invention, between tandem exchange and exchange, by ISDN User Part, undertaken alternately, in ISDN User Part, comprise initial address message (Initial Address Message, IAM) and routing label, rear subscriber number information in extraction ISDN User Part IAM is as calling number, and in extraction ISDN User Part routing label, OPC Origination Point Code information is as OPC Origination Point Code.
In ISDN User Part, IAM calls out for setting up first message of sending, and it comprises that next exchange is to set up to call out, and determines the needed information of route, and IAM can comprise whole address digits, also can only include part address digit.Rear subscriber number information in extraction ISDN User Part IAM is as calling number.The message header of ISDN User Part is routing label, in routing label, comprised destination signaling point coding (Destination Point Code, DPC), Original Point Code OPC (Original Point Code, OPC), Signaling Link Code (Signaling Link Code, SLC), extract in the routing label of ISDN User Part message OPC Origination Point Code information as OPC Origination Point Code.
The another kind of embodiment of the recognition methods of false calling number according to the present invention, between tandem exchange and exchange, by Telephone User Part, undertaken alternately, in Telephone User Part, comprise IAM and routing label, rear subscriber number information in extraction Telephone User Part IAM is as calling number, and in extraction Telephone User Part routing label, OPC Origination Point Code information is as OPC Origination Point Code.
In Telephone User Part, initial address can be IAM, ground similar to the above embodiments, and the rear subscriber number information in extraction Telephone User Part IAM is as calling number.The message header of Telephone User Part is phone mark, has comprised DPC, OPC, cic circuit identification code (Circuit Identity Code, CIC) in phone mark, and in the routing label of extraction Telephone User Part message, OPC Origination Point Code information is as OPC Origination Point Code.
In Telephone User Part, initial address can also be initial address message (the Initial Address Message With Additional Information with additional information, IAI), the another kind of embodiment of the recognition methods of false calling number according to the present invention, between tandem exchange and exchange, by Telephone User Part, undertaken alternately, in Telephone User Part, comprise IAI and routing label, calling subscriber's line identification information in extraction Telephone User Part IAI is as calling number, and in extraction Telephone User Part routing label, OPC Origination Point Code information is as OPC Origination Point Code.
The another kind of embodiment of the recognition methods of false calling number according to the present invention, the corresponding relation that also comprises calling number and default source IP address in the mapping table of calling number route source, method can also comprise: extract the source IP address comprising in call signaling, the corresponding relation between the calling number whether corresponding relation of the calling number comprising in comparison call signaling, OPC Origination Point Code, source IP address comprises with calling number route source mapping table, default OPC Origination Point Code, default source IP address is consistent.Because default source IP address can be the software terminal fixed ip address of telecom operators' distribution or the IP address of soft switch, therefore, for this class calling number, on the basis of the corresponding relation of calling number, default OPC Origination Point Code, further, again in conjunction with source IP address, thereby identify more accurately false calling number, call out.
The another kind of embodiment of the recognition methods of false calling number according to the present invention, between tandem exchange and exchange, open the relaying of VOIP agreement, for example, between tandem exchange and exchange, also pass through session initiation protocol (Session Initiation Protocol, SIP) carry out alternately, in the invitation Invite message of SIP, comprise the field from From, can extract source IP address field information that Invite message From field comprises as source IP address.
Fig. 3 illustrates the schematic flow sheet of the another kind of embodiment of recognition methods of false calling number provided by the present invention.Shown in Figure 3, the method embodiment comprises following operation:
By the last CDR, whether identify calling number in calling out persistent state, if calling number is still in calling out persistent state, illustrate that this calling number is not yet idle, this calling is improper, judges that thus the calling number in message related to calls is false calling number.The CDR acquisition system collection that CDR can be known by those skilled in the art is synthesized after calling out related signaling.
The another kind of embodiment of the recognition methods of false calling number according to the present invention, between tandem exchange and exchange, by ISDN User Part, undertaken alternately, in CDR, comprise ISDN User Part release message (Release Message, REL), release message completes message (Release Complete Message, RLC) time field, check the REL in the last CDR of calling number, whether the time field of RLC fills in, if REL, at least one time field of the time field of RLC is not yet filled in, the last time call that represents calling number not yet finishes, identify calling number in calling out persistent state.In ISDN User Part, REL message is used to indicate far-end and discharges talk channel, and far-end is replied RLC message indication talk channel and discharged, so that REL message is made and being replied.
The another kind of embodiment of the recognition methods of false calling number according to the present invention, between tandem exchange and exchange, by Telephone User Part, undertaken alternately, in CDR, comprise Telephone User Part disconnecting signal (Clear Forward Signal, CLF), release guard signal (Release Guard signal, RLG) time field, check the CLF in the last CDR of calling number, whether the time field of RLG fills in, if CLF, at least one time field of the time field of RLG is not yet filled in, the last time call that represents calling number not yet finishes, identify calling number in calling out persistent state.In Telephone User Part, CLF signal is used to indicate far-end and discharges talk channel, and far-end is replied RLF indication talk channel and discharged, so that CLF signal is made and being replied.
The number that is personal user for calling number, can carry out separately and check that the last CDR directly judges the call state of this calling number, take to identify that to be whether false calling number call out.For the special number of part, need to judge in conjunction with aforementioned identification method, these special numbers are for example the general number of company, platform number for example 95588, special service number is such as 114 etc., owing to allowing to use these special service numbers to carry out a plurality of callings simultaneously, therefore, even judge that by the last CDR this calling number is as call state, can not judge and this time call out the calling as false calling number, need to pass through calling number, the corresponding relation of OPC Origination Point Code is identified, default OPC Origination Point Code can be company's exchange or platform exchange OPC Origination Point Code.
The another kind of embodiment of the recognition methods of false calling number according to the present invention, judge that the calling number in message related to calls is false calling number, the method also comprises: extract the called number comprising in call signaling, according to the attribute of called number, adopt different advice methods to send a warning message to called number, take and inform that called number calling number is as false calling number.Thereby, can to called subscriber, carry out alarm in time, the strick precaution receiving calls to improve called subscriber.
According to the attribute of called number, adopt different advice methods to send a warning message to called number.For example, if called number is mobile user identification, the advice method adopting carries alarm information short message for generating is sent to mobile user identification, for example, send note and send note to sms center to Short Message Service Gateway or built-in SIM card, by sms center, sends note to mobile user identification.If called number is fixed telephone subscriber's sign, the advice method of employing carries alarm information audio call for generating is sent to fixed telephone subscriber's sign, for example, utilize high priority to realize intrusion audio call.
The another kind of embodiment of the recognition methods of false calling number according to the present invention, the method can also comprise: statistics is identified as the OPC Origination Point Code that comprises in the call signaling of false calling number and the number of times of appearance, when the number of times of single source signaling point code appearance surpasses preset value, can think comparatively concentrated from the calling of the false calling number of a certain office direction, because exchange is corresponding with the OPC Origination Point Code in call signaling, therefore can judge in this office direction and have the illegally number of changing platform, illegally the number of changing platform place office direction is the corresponding exchange of OPC Origination Point Code, to investigate the illegally number of changing platform based on this exchange.For example, by network maintenance staff, according to the number strategy of consulting with platform at that time, examining the relevant calling number that relates to pseudo-number and whether belonging to and allow platform outgoing call to show number, thereby investigate and determine.
False calling number call event statistical conditions can also be made to form, location is illegally after the office direction of the number of changing platform place, by system maintenance interface or automatic short message mode, to network maintenance staff, send alarm, by network maintenance staff with based on the illegal number of the changing platform of exchange investigation.
Exchange in each embodiment of above method can comprise end office (EO), special any one or a few in remittance office, toll switch, gateway exchange, Mobile Office.
Those skilled in the art benefit from the above-mentioned thought of the present invention, can know that calling routing rule can be represented by the corresponding relation that comprises calling number, default OPC Origination Point Code, from call signaling, extract calling number, OPC Origination Point Code, obtain the corresponding relation of calling number in call signaling, OPC Origination Point Code, carry out whether consistent identification decision.Those skilled in the art can increase the consistency identification to the corresponding relation of the out of Memory in call signaling and calling number, do not affect the object of the invention is realized.
The recognition device embodiment of the false calling number of below introducing, the recognition device embodiment of false calling number can be respectively used to realize the operation of the above-mentioned recognition methods embodiment of the present invention.
Fig. 4 illustrates the structural representation of a kind of embodiment of recognition device of false calling number provided by the present invention.The recognition device embodiment of this false calling number comprises receiving element 401, extraction unit 402, recognition unit 403, identifying unit 404.
Receiving element 401, for receiving the call signaling that is sent to the caller initiation of tandem exchange by exchange office point.
Extraction unit 402, the calling number, the OPC Origination Point Code that for extracting call signaling, comprise.
Whether recognition unit 403, meet for identifying the corresponding relation of calling number, OPC Origination Point Code the calling routing rule setting in advance, and calling routing rule comprises the corresponding relation of calling number, default OPC Origination Point Code.
Identifying unit 404, does not meet calling routing rule for the corresponding relation in response to calling number, OPC Origination Point Code, judges that the calling number in message related to calls is false calling number.
A kind of embodiment of the recognition device of false calling number according to the present invention, calling routing rule is specially calling number route source mapping table, the corresponding relation that calling number route source mapping table comprises calling number, default OPC Origination Point Code.Recognition unit 403, whether the calling number comprising in call signaling specifically for comparison, the corresponding relation of OPC Origination Point Code be consistent with the corresponding relation of the calling number comprising in the mapping table of calling number route source, default OPC Origination Point Code.
A kind of embodiment of the recognition device of false calling number according to the present invention, between tandem exchange and exchange, can be undertaken alternately by ISDN User Part, in ISDN User Part, comprise IAM and routing label, extraction unit 402 is specifically for the rear subscriber number information in extraction ISDN User Part IAM as calling number, and in extraction ISDN User Part routing label, OPC Origination Point Code information is as OPC Origination Point Code.
A kind of embodiment of the recognition device of false calling number according to the present invention, between tandem exchange and exchange, can be undertaken alternately by Telephone User Part, in Telephone User Part, comprise IAM and routing label, extraction unit 402 is specifically for the rear subscriber number information in extraction Telephone User Part IAM as calling number, and in extraction Telephone User Part routing label, OPC Origination Point Code information is as OPC Origination Point Code.
A kind of embodiment of the recognition device of false calling number according to the present invention, between tandem exchange and exchange, can be undertaken alternately by Telephone User Part, in Telephone User Part, comprise IAI and routing label, extraction unit 402, specifically for the calling subscriber's line identification information in extraction Telephone User Part IAI, as calling number, in extraction Telephone User Part routing label, OPC Origination Point Code information is as OPC Origination Point Code.
A kind of embodiment of the recognition device of false calling number according to the present invention, also comprises the corresponding relation of calling number and default source IP address, extraction unit, the source IP address also comprising for extracting call signaling in the mapping table of calling number route source.Recognition unit, the corresponding relation between the calling number whether corresponding relation of the calling number comprising in call signaling specifically for comparison, OPC Origination Point Code, source IP address comprises with calling number route source mapping table, default OPC Origination Point Code, default source IP address is consistent.
A kind of embodiment of the recognition device of false calling number according to the present invention, between tandem exchange and exchange, can also be undertaken alternately by Session Initiation Protocol, in the invitation Invite message of Session Initiation Protocol, comprise the field from From, extraction unit, the source IP address field information comprising specifically for extraction Invite message From field is as source IP address.
A kind of embodiment of the recognition device of false calling number according to the present invention, the recognition device of false calling number can also comprise CDR query unit, for the corresponding relation in response to calling number, OPC Origination Point Code, do not meet calling routing rule, whether the last call detail record CDR of inquiry calling number, identify calling number in calling out persistent state.Recognition unit, specifically in response to calling number in calling out persistent state, judge that the calling number in message related to calls is false calling number.
A kind of embodiment of the recognition device of false calling number according to the present invention, between tandem exchange and exchange, by ISDN User Part, undertaken alternately, the time field that comprises ISDN User Part REL, RLC in CDR, CDR query unit, specifically for checking the time field of REL, RLC in the last CDR of calling number, whether fill in, if at least one time field of the time field of REL, RLC is not yet filled in, the last time call that represents calling number not yet finishes, and judges that calling number is in calling out persistent state.
A kind of embodiment of the recognition device of false calling number according to the present invention, between tandem exchange and exchange, by Telephone User Part, undertaken alternately, the time field that comprises Telephone User Part CLF, RLG1 in CDR, CDR query unit, specifically for checking the time field of CLF, RLG in the last CDR of calling number, whether fill in, if at least one time field of the time field of CLF, RLG is not yet filled in, the last time call that represents calling number not yet finishes, and judges that calling number is in calling out persistent state.
A kind of embodiment of the recognition device of false calling number according to the present invention, judges that the calling number in message related to calls is false calling number, the called number that extraction unit also comprises for extracting call signaling.The recognition device of false calling number also comprises: Alarm Unit, and for according to the attribute of called number, adopt different advice methods to send a warning message to called number, take and inform that called number calling number is as false calling number.
If called number is mobile user identification, the advice method that Alarm Unit adopts carries alarm information short message for generating is sent to mobile user identification.If called number is fixed telephone subscriber's sign, the advice method that Alarm Unit adopts carries alarm information audio call for generating is sent to fixed telephone subscriber's sign.
Fig. 5 shows a kind of embodiment of the recognition system of false calling number provided by the present invention.Shown in Figure 5, any one recognition device 501, tandem exchange 502 in the recognition device embodiment that this system comprises above-mentioned false calling number, exchange 503.
For the recognition device 501 of false calling number, adopt the structure of the recognition device embodiment of the above-mentioned false calling number of the present invention, the content that those skilled in the art can record based on the above embodiment of the present invention realizes, and repeats no more.
Exchange 503, for sending to tandem exchange the call signaling that caller is initiated.Switch can comprise end office (EO), special any one or a few in remittance office, toll switch, gateway exchange, Mobile Office.
Tandem exchange 502, for receiving the call signaling from exchange, is sent to recognition device by call signaling.
Tandem exchange 502 and other communication service functions well-known to those skilled in the art that exchange 503 has, do not describe in detail at this.
So far, described recognition methods, device, the system according to a kind of false calling number of the present invention in detail.For fear of covering design of the present invention, details more known in the field are not described.Those skilled in the art, according to description above, can understand how to implement technical scheme disclosed herein completely.
In this specification, each embodiment all adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, same or analogous part cross-references between each embodiment.For device, system embodiment, because it is substantially corresponding with embodiment of the method, so description is fairly simple, relevant part is referring to the part explanation of embodiment of the method.
May realize in many ways methods, devices and systems of the present invention.For example, can realize method and system of the present invention by any combination of software, hardware, firmware or software, hardware, firmware.The said sequence that is used for the step of described method is only in order to describe, and the step of method of the present invention is not limited to above specifically described order, unless otherwise specified.In addition, in certain embodiments, can be also the program being recorded in recording medium by the invention process, these programs comprise for realizing the machine readable instructions of the method according to this invention.Thereby the present invention also covers storage for carrying out the recording medium of the program of the method according to this invention.
Although specific embodiments more of the present invention are had been described in detail by example, it should be appreciated by those skilled in the art, above example is only in order to describe, rather than in order to limit the scope of the invention.It should be appreciated by those skilled in the art, can without departing from the scope and spirit of the present invention, above embodiment be modified.Scope of the present invention is limited by claims.
Claims (22)
1. a recognition methods for false calling number, is characterized in that, described method comprises:
The call signaling that reception is initiated by the caller that exchanges office point and be sent to tandem exchange;
Extract the calling number, the OPC Origination Point Code that in described call signaling, comprise;
Whether the corresponding relation of identifying described calling number, OPC Origination Point Code meets the calling routing rule setting in advance, and described calling routing rule comprises the corresponding relation of calling number, default OPC Origination Point Code;
Corresponding relation in response to described calling number, OPC Origination Point Code does not meet described calling routing rule, judges that the calling number in described call signaling is false calling number.
2. method according to claim 1, is characterized in that, described calling routing rule is specially calling number route source mapping table, the corresponding relation that described calling number route source mapping table comprises calling number, default OPC Origination Point Code;
Whether the corresponding relation of the described calling number of described identification, OPC Origination Point Code meets the calling routing rule setting in advance, and comprising:
Whether the corresponding relation of comparing the described calling number that comprises in described call signaling, OPC Origination Point Code is consistent with the corresponding relation of the calling number comprising in the mapping table of described calling number route source, default OPC Origination Point Code.
3. method according to claim 2, is characterized in that, between described tandem exchange and described exchange, by ISUP ISDN User Part, is undertaken alternately, comprising initial address message IAM and routing label in described ISDN User Part; The calling number, the OPC Origination Point Code that in described extraction call signaling, comprise, comprising:
The rear subscriber number information in described ISDN User Part IAM extracted is as described calling number, extracts in described ISDN User Part routing label OPC Origination Point Code information as described OPC Origination Point Code;
Or
Between described tandem exchange and described exchange, by Telephone User Part Telephone User Part, undertaken alternately, in described Telephone User Part, comprising IAM and routing label; The calling number, the OPC Origination Point Code that in described extraction call signaling, comprise, comprising:
The rear subscriber number information in described Telephone User Part IAM extracted is as described calling number, extracts in described Telephone User Part routing label OPC Origination Point Code information as described OPC Origination Point Code;
Or
Between described tandem exchange and described exchange, by Telephone User Part, undertaken alternately, in described Telephone User Part, comprising initial address message IAI and routing label with additional information; The calling number, the OPC Origination Point Code that in described extraction call signaling, comprise, comprising:
Extract calling subscriber's line identification information in described Telephone User Part IAI as described calling number, extract in described Telephone User Part routing label OPC Origination Point Code information as described OPC Origination Point Code.
4. method according to claim 2, is characterized in that, also comprises the corresponding relation of calling number and default source IP address in the mapping table of described calling number route source,
Described method also comprises: extract the source IP address comprising in call signaling;
Whether the described calling number comprising in the described call signaling of described comparison, the corresponding relation of OPC Origination Point Code be consistent with the corresponding relation of the calling number comprising in the mapping table of described calling number route source, default OPC Origination Point Code, also comprises:
The corresponding relation of comparing between the calling number whether corresponding relation of the described calling number that comprises in described call signaling, OPC Origination Point Code, source IP address comprise with described calling number route source mapping table, default OPC Origination Point Code, default source IP address is consistent.
5. method according to claim 2, it is characterized in that, between described tandem exchange and described exchange, also by SIP (Session Initiation Protocol), undertaken alternately, in the invitation Invite message of described SIP, comprise the field from From, the source IP address comprising in described extraction call signaling, comprising:
Extract source IP address field information that described Invite message From field comprises as described source IP address.
6. method according to claim 2, is characterized in that, described method also comprises:
Corresponding relation in response to described calling number, OPC Origination Point Code does not meet described calling routing rule, inquires about the last call detail record CDR of described calling number, whether to identify described calling number in calling out persistent state;
In response to described calling number, in calling out persistent state, judge that the calling number in described message related to calls is false calling number.
7. method according to claim 6, is characterized in that, between described tandem exchange and described exchange, by ISDN User Part, is undertaken alternately, comprising the time field of ISDN User Part release message REL, Release complete RLC in described CDR; Inquire about the last CDR of described calling number, whether to identify described calling number in calling out persistent state, comprising:
Check whether the time field of REL, RLC in the last CDR of described calling number fills in, if at least one time field of the time field of described REL, RLC is not yet filled in, the last time call that represents described calling number not yet finishes, and judges that described calling number is in calling out persistent state;
Or
Between described tandem exchange and described exchange, by Telephone User Part, undertaken alternately, in described CDR, comprising the time field of Telephone User Part disconnecting signal CLF, release guard signal RLG; Inquire about the last CDR of described calling number, whether to identify described calling number in calling out persistent state, comprising:
Check whether the time field of CLF, RLG in the last CDR of described calling number fills in, if at least one time field of the time field of described CLF, RLG is not yet filled in, the last time call that represents described calling number not yet finishes, and judges that described calling number is in calling out persistent state.
8. according to the method described in claim 1 to 7 any one, it is characterized in that, judge that the calling number in described message related to calls is false calling number, described method also comprises:
Extract the called number comprising in call signaling;
According to the attribute of described called number, adopt different advice methods to send a warning message to described called number, take and inform described in described called number that calling number is false calling number.
9. method according to claim 8, is characterized in that, described according to the attribute of described called number, adopts different advice methods to send a warning message to described called number, comprising:
If described called number is mobile user identification, the advice method of employing carries described alarm information short message for generating is sent to described mobile user identification; Or,
If described called number is fixed telephone subscriber's sign, the advice method of employing carries described alarm information audio call for generating is sent to described fixed telephone subscriber's sign.
10. according to the method described in claim 1 to 7 any one, it is characterized in that, described method also comprises:
Statistics is identified as the described OPC Origination Point Code that comprises in the call signaling of false calling number and the number of times of appearance;
When the number of times of single source signaling point code appearance surpasses preset value, determine that illegally the number of changing platform place office direction is the corresponding exchange of described single source signaling point code, to investigate the illegally number of changing platform based on described exchange.
11. according to the method described in claim 1 to 7 any one, it is characterized in that, described exchange comprises end office (EO), special any one or a few in remittance office, toll switch, gateway exchange, Mobile Office.
The recognition device of 12. 1 kinds of false calling numbers, is characterized in that, described device comprises:
Receiving element, for receiving the call signaling that is sent to the caller initiation of tandem exchange by exchange;
Extraction unit, the calling number, the OPC Origination Point Code that for extracting described call signaling, comprise;
Whether recognition unit, meet for identifying the corresponding relation of described calling number, OPC Origination Point Code the calling routing rule setting in advance, and described calling routing rule comprises the corresponding relation of calling number, default OPC Origination Point Code;
Identifying unit, does not meet described calling routing rule for the corresponding relation in response to described calling number, OPC Origination Point Code, judges that the calling number in described message related to calls is false calling number.
13. devices according to claim 12, is characterized in that, described calling routing rule is specially calling number route source mapping table, the corresponding relation that described calling number route source mapping table comprises calling number, default OPC Origination Point Code;
Described recognition unit, whether consistent with the corresponding relation of the calling number comprising in the mapping table of described calling number route source, default OPC Origination Point Code specifically for comparing the corresponding relation of the described calling number that comprises in described call signaling, OPC Origination Point Code.
14. devices according to claim 13, it is characterized in that, between described tandem exchange and described exchange, by ISDN User Part, undertaken alternately, in described ISDN User Part, comprise IAM and routing label, described extraction unit, specifically for extracting rear subscriber number information in described ISDN User Part IAM as described calling number, extract in described ISDN User Part routing label OPC Origination Point Code information as described OPC Origination Point Code;
Or
Between described tandem exchange and described exchange, by Telephone User Part, undertaken alternately, in described Telephone User Part, comprise IAM and routing label, described extraction unit, specifically for extracting rear subscriber number information in described Telephone User Part IAM as described calling number, extract in described Telephone User Part routing label OPC Origination Point Code information as described OPC Origination Point Code;
Or
Between described tandem exchange and described exchange, by Telephone User Part, undertaken alternately, in described Telephone User Part, comprise IAI and routing label, described extraction unit, specifically for extracting calling subscriber's line identification information in described Telephone User Part IAI as described calling number, extract in described Telephone User Part routing label OPC Origination Point Code information as described OPC Origination Point Code.
15. devices according to claim 13, is characterized in that, also comprise the corresponding relation of calling number and default source IP address, described extraction unit, the source IP address also comprising for extracting call signaling in the mapping table of described calling number route source;
Described recognition unit, consistent specifically for the corresponding relation of comparing between the calling number whether corresponding relation of the described calling number that comprises in described call signaling, OPC Origination Point Code, source IP address comprise with described calling number route source mapping table, default OPC Origination Point Code, default source IP address.
16. devices according to claim 13, it is characterized in that, between described tandem exchange and described exchange, also by SIP, undertaken alternately, in the invitation Invite message of described SIP, comprise the field from From, described extraction unit, specifically for extracting source IP address field information that described Invite message From field comprises as described source IP address.
17. devices according to claim 13, is characterized in that, described device also comprises:
CDR query unit, does not meet described calling routing rule for the corresponding relation in response to described calling number, OPC Origination Point Code, inquires about the last CDR of described calling number, whether to identify described calling number in calling out persistent state;
Described recognition unit, specifically in response to described calling number in calling out persistent state, judge that the calling number in described message related to calls is false calling number.
18. devices according to claim 17, it is characterized in that, between described tandem exchange and described exchange, by ISDN User Part, undertaken alternately, the time field that comprises ISDN User Part REL, RLC in described CDR, described CDR query unit, specifically for checking the time field of REL, RLC in the last CDR of described calling number, whether fill in, if at least one time field of the time field of described REL, RLC is not yet filled in, the last time call that represents described calling number not yet finishes, and judges that described calling number is in calling out persistent state;
Or
Between described tandem exchange and described exchange, by Telephone User Part, undertaken alternately, the time field that comprises Telephone User Part disconnecting signal CLF, release guard signal RLG in described CDR, described CDR query unit, specifically for checking the time field of CLF, RLG in the last CDR of described calling number, whether fill in, if at least one time field of the time field of described CLF, RLG is not yet filled in, the last time call that represents described calling number not yet finishes, and judges that described calling number is in calling out persistent state.
19. according to claim 12 to the device described in 18 any one, it is characterized in that, judges that the calling number in described message related to calls is false calling number, described extraction unit, the called number also comprising for extracting call signaling;
Described device also comprises: Alarm Unit, and for according to the attribute of described called number, adopt different advice methods to send a warning message to described called number, take and inform described in described called number that calling number is false calling number.
20. devices according to claim 19, is characterized in that, if described called number is mobile user identification, the advice method that described Alarm Unit adopts carries described alarm information short message for generating is sent to described mobile user identification; Or
If described called number is fixed telephone subscriber's sign, the advice method that described Alarm Unit adopts carries described alarm information audio call for generating is sent to described fixed telephone subscriber's sign.
The recognition system of 21. 1 kinds of false calling numbers, is characterized in that, recognition device, tandem exchange, exchange that described system comprises the false calling number as described in claim 12 to 20 any one;
Described exchange, for sending to tandem exchange the call signaling that caller is initiated;
Described tandem exchange, for receiving the call signaling from described exchange, is sent to described recognition device by described call signaling.
22. systems according to claim 21, is characterized in that, described switch comprises end office (EO), special any one or a few in remittance office, toll switch, gateway exchange, Mobile Office.
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| CN201210302016.9A CN103634450A (en) | 2012-08-23 | 2012-08-23 | False caller number identification method, apparatus and system |
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| CN201210302016.9A CN103634450A (en) | 2012-08-23 | 2012-08-23 | False caller number identification method, apparatus and system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104159230A (en) * | 2014-07-21 | 2014-11-19 | 小米科技有限责任公司 | Telephone call identification method and device |
| CN104580651A (en) * | 2013-10-16 | 2015-04-29 | 中国移动通信集团湖南有限公司 | Call processing method and device |
| CN105376423A (en) * | 2014-08-19 | 2016-03-02 | 中国电信股份有限公司 | Calling detection method, device and system |
| CN105915517A (en) * | 2016-04-18 | 2016-08-31 | 杭州诚智天扬科技有限公司 | Realization method for voice verification code service |
| CN107343278A (en) * | 2017-07-22 | 2017-11-10 | 杭州诚智天扬科技有限公司 | The implementation method of number verification business is carried out by audio call |
| CN107707723A (en) * | 2017-11-09 | 2018-02-16 | 深圳市宝尔爱迪科技有限公司 | The hold-up interception method of harassing call |
| CN107979703A (en) * | 2016-10-21 | 2018-05-01 | 中国移动通信集团广东有限公司 | A kind of false calls hold-up interception method and device |
| CN108134998A (en) * | 2017-12-05 | 2018-06-08 | 南京南邮信息产业技术研究院有限公司 | Information fraud method for early warning and system based on mobile big data |
| CN108259688A (en) * | 2016-12-28 | 2018-07-06 | 广东世纪网通信设备股份有限公司 | VoIP platforms telephone fraud behavioral value method, apparatus and detecting system |
| CN108667997A (en) * | 2017-03-28 | 2018-10-16 | 中国移动通信集团广东有限公司 | The calling number authentication method and device of audio call |
| CN109819125A (en) * | 2017-11-20 | 2019-05-28 | 中兴通讯股份有限公司 | A kind of method and device limiting telecommunication fraud |
| CN110677848A (en) * | 2018-07-02 | 2020-01-10 | 中国电信股份有限公司 | Method and device for identifying counterfeit number and computer readable storage medium |
| WO2022173410A3 (en) * | 2021-02-15 | 2022-09-15 | Turkcell Teknoloji Arastirma Ve Gelistirme Anonim Sirketi | A method and system for preventing interconnection fraud |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101217820A (en) * | 2008-01-15 | 2008-07-09 | 中兴通讯股份有限公司 | An identification system and identification method on disturbance telephone numbers |
| CN101340690A (en) * | 2008-08-12 | 2009-01-07 | 中国移动通信集团江苏有限公司 | Real-time monitoring and catching method for false calling number |
| CN101345795A (en) * | 2008-08-08 | 2009-01-14 | 中国移动通信集团山东有限公司 | Method and system automatic monitoring and real-time blocking false calling of communication network |
| CN101448331A (en) * | 2008-10-23 | 2009-06-03 | 中国移动通信集团山东有限公司 | Method for call management, system and device thereof |
| CN101472008A (en) * | 2007-12-28 | 2009-07-01 | 中国移动通信集团公司 | Method and corresponding system for identifying and controlling disturbance telephone |
| CN101569166A (en) * | 2006-12-29 | 2009-10-28 | 朗讯科技公司 | Validating caller ID information to protect against caller ID spoofing |
| US20110091026A1 (en) * | 2008-10-20 | 2011-04-21 | Koninklijke Kpn N.V. | Protection of Services in Mobile Network Against CLI Spoofing |
-
2012
- 2012-08-23 CN CN201210302016.9A patent/CN103634450A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101569166A (en) * | 2006-12-29 | 2009-10-28 | 朗讯科技公司 | Validating caller ID information to protect against caller ID spoofing |
| CN101472008A (en) * | 2007-12-28 | 2009-07-01 | 中国移动通信集团公司 | Method and corresponding system for identifying and controlling disturbance telephone |
| CN101217820A (en) * | 2008-01-15 | 2008-07-09 | 中兴通讯股份有限公司 | An identification system and identification method on disturbance telephone numbers |
| CN101345795A (en) * | 2008-08-08 | 2009-01-14 | 中国移动通信集团山东有限公司 | Method and system automatic monitoring and real-time blocking false calling of communication network |
| CN101340690A (en) * | 2008-08-12 | 2009-01-07 | 中国移动通信集团江苏有限公司 | Real-time monitoring and catching method for false calling number |
| US20110091026A1 (en) * | 2008-10-20 | 2011-04-21 | Koninklijke Kpn N.V. | Protection of Services in Mobile Network Against CLI Spoofing |
| CN101448331A (en) * | 2008-10-23 | 2009-06-03 | 中国移动通信集团山东有限公司 | Method for call management, system and device thereof |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104580651A (en) * | 2013-10-16 | 2015-04-29 | 中国移动通信集团湖南有限公司 | Call processing method and device |
| CN104159230B (en) * | 2014-07-21 | 2015-11-25 | 小米科技有限责任公司 | Call recognition methods and device |
| RU2594755C1 (en) * | 2014-07-21 | 2016-08-20 | Сяоми Инк. | Method and apparatus for identifying the telephone call |
| US9521251B2 (en) | 2014-07-21 | 2016-12-13 | Xiaomi Inc. | Method and device for identifying telephone call |
| CN104159230A (en) * | 2014-07-21 | 2014-11-19 | 小米科技有限责任公司 | Telephone call identification method and device |
| CN105376423A (en) * | 2014-08-19 | 2016-03-02 | 中国电信股份有限公司 | Calling detection method, device and system |
| CN105915517A (en) * | 2016-04-18 | 2016-08-31 | 杭州诚智天扬科技有限公司 | Realization method for voice verification code service |
| CN107979703A (en) * | 2016-10-21 | 2018-05-01 | 中国移动通信集团广东有限公司 | A kind of false calls hold-up interception method and device |
| CN108259688A (en) * | 2016-12-28 | 2018-07-06 | 广东世纪网通信设备股份有限公司 | VoIP platforms telephone fraud behavioral value method, apparatus and detecting system |
| CN108667997A (en) * | 2017-03-28 | 2018-10-16 | 中国移动通信集团广东有限公司 | The calling number authentication method and device of audio call |
| CN107343278A (en) * | 2017-07-22 | 2017-11-10 | 杭州诚智天扬科技有限公司 | The implementation method of number verification business is carried out by audio call |
| CN107343278B (en) * | 2017-07-22 | 2021-03-19 | 杭州诚智天扬科技有限公司 | Method for implementing number verification service through voice call |
| CN107707723A (en) * | 2017-11-09 | 2018-02-16 | 深圳市宝尔爱迪科技有限公司 | The hold-up interception method of harassing call |
| CN109819125A (en) * | 2017-11-20 | 2019-05-28 | 中兴通讯股份有限公司 | A kind of method and device limiting telecommunication fraud |
| CN108134998A (en) * | 2017-12-05 | 2018-06-08 | 南京南邮信息产业技术研究院有限公司 | Information fraud method for early warning and system based on mobile big data |
| CN110677848A (en) * | 2018-07-02 | 2020-01-10 | 中国电信股份有限公司 | Method and device for identifying counterfeit number and computer readable storage medium |
| CN110677848B (en) * | 2018-07-02 | 2022-08-30 | 中国电信股份有限公司 | Method and device for identifying counterfeit number and computer readable storage medium |
| WO2022173410A3 (en) * | 2021-02-15 | 2022-09-15 | Turkcell Teknoloji Arastirma Ve Gelistirme Anonim Sirketi | A method and system for preventing interconnection fraud |
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