CN101621775A - Service control point of intelligent network and call intercepting method - Google Patents

Service control point of intelligent network and call intercepting method Download PDF

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Publication number
CN101621775A
CN101621775A CN 200910091220 CN200910091220A CN101621775A CN 101621775 A CN101621775 A CN 101621775A CN 200910091220 CN200910091220 CN 200910091220 CN 200910091220 A CN200910091220 A CN 200910091220A CN 101621775 A CN101621775 A CN 101621775A
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China
Prior art keywords
calling
record sheet
tackle
message
service control
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CN 200910091220
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Chinese (zh)
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王小娜
穆菁
张擘
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ZTE Corp
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ZTE Corp
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Priority to CN 200910091220 priority Critical patent/CN101621775A/en
Publication of CN101621775A publication Critical patent/CN101621775A/en
Priority to PCT/CN2010/073689 priority patent/WO2011017967A1/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/2281Call monitoring, e.g. for law enforcement purposes; Call tracing; Detection or prevention of malicious calls
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/30Network architectures or network communication protocols for network security for supporting lawful interception, monitoring or retaining of communications or communication related information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2207/00Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
    • H04M2207/12Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place intelligent networks

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Technology Law (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a service control point of an intelligent network and a call intercepting method. The service control point comprises a storage module, a receiving module, a judgment module and a response module, wherein the storage module is used for storing a record chart which contains one or a plurality of numbers to be intercepted; the receiving module is used for receiving initial detection point information which contains a calling number and a called number of a call and is sent by a service exchanging point; the judgment module is used for judging if the calling number is a number which is to be intercepted and corresponds to the called number to obtain a judgment result according to the record chart; and the response module is used for processing the call according to the judgment result to intercept a call which is needed to be intercepted by a user and corresponds to the called number. The invention can realize the fast and convenient call interception.

Description

Service control point in the intelligent network and call intercepting method
Technical field
The present invention relates to mobile calls control technology field, service control point and call intercepting method in particularly a kind of mobile intelligent net.
Background technology
Mobile communication terminal has become irreplaceable product in user's daily life as a kind of daily means of communication, has obtained swift and violent development.
In recent years, increasing malicious call has appearred, as scatter the phone, harassing call etc. of false prize-winning message, though now a lot of user can both recognize that some swindle phone, because existing network also cannot be tackled these numbers automatically, so can only report these information by manual type, hit, but manual type flow process complexity, the processing time is long, cause malicious call to repeat harassing and wrecking for a long time, bring great inconvenience to the user to the user.
Summary of the invention
The purpose of this invention is to provide service control point and call intercepting method in a kind of mobile intelligent net, can tackle malicious call automatically, realize convenient and swift.
For achieving the above object, the embodiment of the invention provides the service control point in a kind of intelligent network, comprising:
Preserve module, be used to preserve a record sheet, comprise one or more numbers to be tackled in the described record sheet;
Receiver module is used to receive the calling number that comprises calling of Service Switching Point transmission and the Initial Detection Point message of called number;
Judge module is used for judging that according to described record sheet whether described calling number is the number to be tackled of described called number correspondence, obtains a judged result;
Respond module is used for according to described judged result described calling being handled, with the calling of the required interception of user of tackling described called number correspondence.
Above-mentioned service control point, wherein, described respond module specifically be used for judged result indication calling number be described called number correspondence wait to tackle number the time, send first message that indication stops described calling to described Service Switching Point, otherwise send second message that continues to handle described calling to described Service Switching Point.
Above-mentioned service control point, wherein,
Described record sheet is to have write down first record sheet of waiting to tackle number and reporting the corresponding relation between the described Subscriber Number of waiting to tackle number;
Described judge module specifically is used for waiting that according to what described first record sheet judged that described called number reports whether tackle number comprises described calling number, obtains first judged result;
Described respond module specifically is used for when the number to be tackled that described first judged result indicates described called number to report comprises described calling number, send first message that indication stops described calling to described Service Switching Point, otherwise send second message that continues to handle described calling to described Service Switching Point.
Above-mentioned service control point wherein, also comprises:
Statistical module, each that is used for adding up first record sheet waits to tackle the number of times that reports of number;
The second record sheet generation module is used for generating second record sheet according to statistics;
Described first record sheet has write down to be waited to tackle number and reports corresponding relation between the described number of waiting to tackle number, the number to be tackled that writes down in described second record sheet be described first record sheet write down wait to tackle in the number, report number of times to surpass the number of predetermined threshold value;
Described judge module is used for specifically judging that described second record sheet or described called number report waits that whether tackle number comprises described calling number, obtains second judged result;
Described respond module specifically is used for when the number to be tackled that described second judged result indicates described second record sheet or described called number to report comprises described calling number, send first message that indication stops described calling to described Service Switching Point, otherwise send second message that continues to handle described calling to described Service Switching Point.
Above-mentioned service control point wherein, also comprises:
Notification module, be used for described calling number be described called number correspondence wait to tackle number the time, send a notification message to described called number, described notification message indicates described calling number to be blocked.
Above-mentioned service control point, wherein, number described to be tackled has an alarm grade, it is the number to be tackled of described called number correspondence that described notification module specifically is used in described calling number, and the alarm level of described calling number is lower than when presetting alarm level, send a notification message to described called number, described notification message is used to indicate described calling number to be blocked.
Above-mentioned service control point wherein, also comprises:
The first record sheet processing module is used for the reporting information by the interactive voice response submission according to the user, generates or revise described first record sheet.
To achieve these goals, the embodiment of the invention also provides the call intercepting method in a kind of intelligent network, comprising:
Service control point receives the calling number that comprises calling of Service Switching Point transmission and the Initial Detection Point message of called number;
Described service control point judges that according to record sheet whether described calling number is the number to be tackled of described called number correspondence, obtains a judged result; Comprise one or more numbers to be tackled in the described record sheet;
According to described judged result described calling is handled, with the calling of the required interception of user of tackling described called number correspondence.
Above-mentioned call intercepting method, wherein, described judged result indicate described calling number be described called number correspondence wait to tackle number the time, described service control point sends first message that indication stops described calling to described Service Switching Point, handles second message of calling out otherwise send continuation to described Service Switching Point.
Above-mentioned call intercepting method, wherein,
Described record sheet is to have write down first record sheet of waiting to tackle number and reporting the corresponding relation between the described Subscriber Number of waiting to tackle number;
Described service control point specifically waits to tackle whether comprise described calling number in the number according to what described first record sheet judged that described called number reports, obtains first judged result;
Wait to tackle when comprising described calling number in the number what described first judged result indicated that described called number reports, described service control point sends first message that indication stops described calling to described Service Switching Point, otherwise sends second message that continues to handle described calling to described Service Switching Point.
Above-mentioned call intercepting method, wherein,
Described record sheet comprises second record sheet and first record sheet, described first record sheet has write down to be waited to tackle number and reports corresponding relation between the number of waiting to tackle number, the number to be tackled that writes down in described second record sheet be first record sheet write down wait to tackle in the number, report number of times to surpass the number of predetermined threshold value;
What described service control point judged that described second record sheet or described called number report waits to tackle whether comprise described calling number in the number, obtains second judged result;
Wait to tackle when comprising described calling number in the number what described second judged result indicated that described second record sheet or described called number report, described service control point sends first message that indication stops described calling to described Service Switching Point, handles second message of calling out otherwise send continuation to described Service Switching Point.
Above-mentioned call intercepting method wherein, also comprises:
Described calling number be described called number correspondence wait to tackle number the time, described service control point sends a notification message to described called number, described notification message indicates described calling number to be blocked.
The embodiment of the invention has following beneficial effect:
In the embodiment of the invention, when receiving calling, according to judging that with the record sheet of preserving earlier the calling number of calling is the corresponding number to be tackled of called number, if, then directly discharge this calling, realized the incoming call interception automatically, make the user avoid the repeatedly harassing and wrecking of jack per line, it is convenient to realize, in case and reporting of user just can tackle at once, so realization is very quick;
In the embodiment of the invention, further after the calling of the current number of interception, send a notification message to the user, the calling number of notifying the user to be blocked, the number to be tackled that the user can be corrected a mistake report has improved service quality;
In the embodiment of the invention, this record sheet not only comprises the number of reporting of user, can also comprise the malice number of determining based on the number of other reporting of user, therefore, can guarantee that not only the user is not harassed by the malice number that oneself is familiar with, can also guarantee that the user is not harassed by own unfamiliar malice number, has further improved service quality.
Description of drawings
Fig. 1 is the structural representation of the service control point of the embodiment of the invention;
Fig. 2 is the schematic flow sheet of the call intercepting method of the embodiment of the invention;
Fig. 3 is a schematic flow sheet of handling record sheet in the embodiment of the invention automatically.
Embodiment
Service control point in the intelligent network of the embodiment of the invention and call intercepting method, preserve a record sheet in SCP, this record sheet is used for the number to be tackled that recording user reports, and makes this wait to tackle number once more during the calling party, directly call release makes the user avoid disturbing.
Mobile intelligent net is by increasing some network function unit on existing mobile network, as: SCP (ServiceControl Point, service control point), SSP (Service Switch Point, Service Switching Point), SMP (Service Management Point, the service management point) etc., service control function is separated from traditional function of exchange, made network that new business can be provided flexibly and easily, to adapt to user's demand.It is existing mobile network and the combining of intelligent network.
The service control point of the embodiment of the invention comprises as shown in Figure 1:
Preserve module, be used to preserve a record sheet, comprise one or more numbers to be tackled in the described record sheet;
Receiver module is used to receive Initial Detection Point IDP (Initial DetectionPoint) message that Service Switching Point sends, and comprises the calling number and the called number of calling in the described IDP message;
Judge module is used for judging that according to described record sheet whether described calling number is the number to be tackled of described called number correspondence, obtains a judged result;
Respond module is used for according to described judged result described calling being handled, with the calling of the required interception of user of tackling described called number correspondence.
In specific embodiments of the invention, this respond module is specifically when described judged result indicates described calling number to be present in described record sheet, send first message that indication stops described calling to described Service Switching Point, otherwise send second message that continues to handle described calling to described Service Switching Point.
Certainly, should be understood that this respond module also can be carried out Call Intercept by other modes, how the focusing on of the embodiment of the invention determines whether this calling needs interception, and do not limit concrete Call Intercept mode, so all possible interception mode is not illustrated one by one.
The Service Switching Point end call need be carried out operations such as discharging resource, cut-out calling.
Whether judge in the specific embodiments of the invention to call out needs interception can adopt multiple mode to realize, to be described in detail as follows.
<implementation one 〉
Described record sheet is first record sheet, and it has write down waits to tackle number and report corresponding relation between the described number of waiting to tackle number.
Described judge module specifically comprises:
First judging unit is used for waiting that according to what described first record sheet judged that described called number reports whether tackle number comprises described calling number, obtains first judged result;
Described respond module specifically comprises:
First response unit, be used for when the number to be tackled that described first judged result indicates described called number to report comprises described calling number, send first message that indication stops described calling to described Service Switching Point, otherwise send second message that continues to handle described calling to described Service Switching Point.
<implementation two 〉
In implementation one, can guarantee that a certain user can not repeated harassing and wrecking by same telephone number, but the user that can't guarantee other call in of having contracted can be harassed by this telephone number, based on above-mentioned consideration, also comprise one second record sheet in the implementation two of the embodiment of the invention, to address the above problem.
Described record sheet comprises second record sheet and first record sheet, wherein:
Described first record sheet has write down to be waited to tackle number and reports corresponding relation between the described number of waiting to tackle number;
The number to be tackled that writes down in described second record sheet be described first record sheet write down wait to tackle in the number, report number of times to surpass the number of predetermined threshold value;
Described judge module specifically comprises:
Second judging unit is used for judging that described second record sheet or described called number report waits that whether tackle number comprises described calling number, obtains second judged result;
Described respond module is specially:
Second response unit, be used for when the number to be tackled that described second judged result indicates second record sheet or called number to report comprises described calling number, send first message that indication stops described calling to described Service Switching Point, otherwise send second message that continues to handle described calling to described Service Switching Point.
In implementation two, this second record sheet can utilize statistics to obtain, and therefore, in the implementation two, described service control point also comprises:
Statistical module, each that is used for adding up described first record sheet waits to tackle the number of times that reports of number;
The second record sheet generation module is used for generating described second record sheet according to statistics.
Certainly, above-mentioned dual mode can be used in combination, and as to asking the user of local interception, can only utilize a pair of its of implementation to carry out intercept process, and for the user that the request overall situation is tackled, can adopt mode two that it is carried out intercept process.
Certainly, this statistical module and the second record sheet generation module can regularly trigger, and generate as the execution statistics sometime of every day and record sheet, also can be to carry out statistics when first record sheet is updated each time, generate the second new record sheet.
Certainly, for the user, some number to be tackled may change, after a period of time, the user may no longer need to tackle this user's calling, but this user's telephone number was set to number to be tackled before the user may forget, the user also might be with the reporting of user (being 13700...... as 13800...... is reported) that should not tackle originally, make this user to be blocked, and this is not user's a original intention, in order to prevent the generation of above-mentioned situation, make the user can be as far as possible early this mistake of correction, in the embodiment of the invention, this service control point also comprises:
Notification module, be used for described calling number be described called number correspondence wait to tackle number the time, send a notification message to described called number, described notification message indicates described calling number to be blocked.
Described notification message can be realized based on short message, also can realize based on multimedia message, can also play the voice realization automatically after dialing called number, does not enumerate its possible implementation one by one at this.
Certainly, this notification module can be to be connected with judge module, sends described notification message based on judged result, also can be to be connected with described respond module, stops the transmission of the message trigger notification message of described calling based on the indication of respond module transmission.
Certainly, in order to reduce the traffic volume of notice, one alarm level can be set for the number in the record sheet, this alarm level is provided with by times of reporting according to number, described notification module is only when described calling number is present in described record sheet, and when the alarm level of described calling number is lower than pre-set level, send a notification message to described called number.
In implementation two, described notification module can be only to be present in second record sheet in described calling number, but when not existing in first record sheet, sends a notification message to described called number, can also add the Rule of judgment of alarm level certainly.
Illustrate as follows.
Supposing has 5 users call in of having contracted, and its each self-recording to wait to tackle number as follows:
The user The number to be tackled that reports
User A Number X1 number X2 number X3
User B Number X1 number X4
User C Number X8 number X3 number X7
User D Number X1 number X7
User E Number X1 number X6 number X5
User F Number X1 number X2 number X7
User G Number X2 number X4 number X7
Can find from top statistics:
Number X1-X8 is reported respectively 5 times, 3 times, 2 times, 2 times, 1 time, 1 time, 4 times, 1 time.
Therefore, 3 alarm levels can be set, as follows:
Rank 3 reports number of times to surpass 4;
Rank 2, reporting number of times is 3 times;
Rank 1, report number of times be 2 times and below.
Surpassing the pre-set level mentioned in the pre-set level for the alarm level of described calling number can be according to the actual conditions setting, as is set to rank 2, can certainly be higher or lower.
From as can be seen above, number X1 is reported by a large number of users, need tackle, and then for user C, if receive number X1 calling party C, then can tackle this calling, and unnecessaryly notifies the user C, has reduced the traffic volume of notice.
Certainly, above-mentioned waiting tackled the rank setting of number and can also be determined according to alternate manner, in this not explanation one by one.
The call intercepting method of the embodiment of the invention comprises as shown in Figure 2:
Step 21, service control point receives Initial Detection Point IDP (InitialDetection Point) message that Service Switching Point sends, and comprises the calling number and the called number of calling in the described IDP message;
Step 22, service control point judges according to record sheet whether described calling number is the number to be tackled of described called number correspondence, obtains a judged result, comprises one or more numbers to be tackled in the described record sheet;
Step 23 is handled described calling according to described judged result, with the calling of the required interception of user of tackling described called number correspondence;
A kind of specific implementation of step 23 is: described judged result indicate described calling number be described called number correspondence wait to tackle number the time, service control point sends first message that indication stops described calling to described Service Switching Point, otherwise sends second message that continues to handle described calling to described Service Switching Point; Certainly, step 23 can adopt other modes to realize interception, and the specific embodiment of the invention is not enumerated explanation one by one.
When step 24, service control point indicate described calling number to be present in described record sheet in described judged result, send a notification message to described called number, described notification message indicates described calling number to be blocked.
First record sheet in the specific embodiment of the invention can be the record sheet of the manual generation of storing in advance, can certainly generate automatically, automatically under the generating mode, be provided with the first record sheet processing module in the service control point, be used for the reporting information submitted to by interactive voice response according to the user, generate or upgrade described first record sheet.
To in the embodiment of the invention, how automatically generation or modification report number to be tackled to be elaborated below.
As shown in Figure 3, generation or modification report number to be tackled to comprise automatically:
Step 31, service control point is by (can being that corpus separatum exists from SSP, also can be integrated in other entities, as moving exchanging center MSC, VLR Visitor Location Register VLR etc., certain difference according to network, also may be the network element in other network architectures) receive the IDP message of SSP for certain call setup IN service control relation, comprising service key, identify number to be tackled to manage business;
Step 32, service control point sends RRBE (Request Report BCSM Event) message to SSP, request SSP configuration DP, when running into these DP points in the SSP calling procedure afterwards, can report call information to give SCP, RRBE has created condition for the SCP controlling call, and BCSM is the abbreviation of Basic Call State Model;
Step 33, SCP issues CTR (Connect To Resource) message and gives SSP, and request SSP connects the user on the ip intelligent peripherals IP, and for the user uses ip intelligent peripherals IP preparatory condition, this IP and SSP can be integrated settings, also can independently be provided with;
Step 34, SCP issues P﹠amp; C message is given ip intelligent peripherals, and the request ip intelligent peripherals collects the digits for user's playback, and receives the result that ip intelligent peripherals returns;
Above-mentioned step 34 may repeat repeatedly, and is relevant with concrete business setting.
Step 35, SCP generates or revises this first record sheet according to the result who can only peripheral hardware returns, and this modification comprises to be increased and deletes specific number.
The embodiment of the invention can be used for various intelligent networks.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (12)

1. the service control point in the intelligent network is characterized in that, comprising:
Preserve module, be used to preserve a record sheet, comprise one or more numbers to be tackled in the described record sheet;
Receiver module is used to receive the calling number that comprises calling of Service Switching Point transmission and the Initial Detection Point message of called number;
Judge module is used for judging that according to described record sheet whether described calling number is the number to be tackled of described called number correspondence, obtains a judged result;
Respond module is used for according to described judged result described calling being handled, with the calling of the required interception of user of tackling described called number correspondence.
2. service control point according to claim 1, it is characterized in that, described respond module specifically be used for described judged result indicate described calling number be described called number correspondence wait to tackle number the time, send first message that indication stops described calling to described Service Switching Point, otherwise send second message that continues to handle described calling to described Service Switching Point.
3. service control point according to claim 2 is characterized in that:
Described record sheet is to have write down first record sheet of waiting to tackle number and reporting the corresponding relation between the described Subscriber Number of waiting to tackle number;
Described judge module specifically is used for waiting that according to what described first record sheet judged that described called number reports whether tackle number comprises described calling number, obtains first judged result;
Described respond module specifically is used for when the number to be tackled that described first judged result indicates described called number to report comprises described calling number, send first message that indication stops described calling to described Service Switching Point, otherwise send second message that continues to handle described calling to described Service Switching Point.
4. service control point according to claim 2 is characterized in that, also comprises: statistical module, and each that is used for adding up first record sheet waits to tackle the number of times that reports of number;
The second record sheet generation module is used for generating second record sheet according to statistics;
Described first record sheet has write down to be waited to tackle number and reports corresponding relation between the described number of waiting to tackle number, the number to be tackled that writes down in described second record sheet be described first record sheet write down wait to tackle in the number, report number of times to surpass the number of predetermined threshold value;
Described judge module is used for specifically judging that described second record sheet or described called number report waits that whether tackle number comprises described calling number, obtains second judged result;
Described respond module specifically is used for when the number to be tackled that described second judged result indicates described second record sheet or described called number to report comprises described calling number, send first message that indication stops described calling to described Service Switching Point, otherwise send second message that continues to handle described calling to described Service Switching Point.
5. service control point according to claim 2 is characterized in that, also comprises:
Notification module, be used for described calling number be described called number correspondence wait to tackle number the time, send a notification message to described called number, described notification message indicates described calling number to be blocked.
6. service control point according to claim 5, it is characterized in that, number described to be tackled has an alarm grade, it is the number to be tackled of described called number correspondence that described notification module specifically is used in described calling number, and the alarm level of described calling number is lower than when presetting alarm level, send a notification message to described called number, described notification message is used to indicate described calling number to be blocked.
7. according to claim 3 or 4 described service control points, it is characterized in that, also comprise:
The first record sheet processing module is used for the reporting information by the interactive voice response submission according to the user, generates or revise described first record sheet.
8. the call intercepting method in the intelligent network is characterized in that, comprising:
Service control point receives the calling number that comprises calling of Service Switching Point transmission and the Initial Detection Point message of called number;
Described service control point judges that according to record sheet whether described calling number is the number to be tackled of described called number correspondence, obtains a judged result; Comprise one or more numbers to be tackled in the described record sheet;
According to described judged result described calling is handled, with the calling of the required interception of user of tackling described called number correspondence.
9. call intercepting method according to claim 8, it is characterized in that, described judged result indicate described calling number be described called number correspondence wait to tackle number the time, described service control point sends first message that indication stops described calling to described Service Switching Point, otherwise sends second message that continues to handle described calling to described Service Switching Point.
10. call intercepting method according to claim 9 is characterized in that:
Described record sheet is to have write down first record sheet of waiting to tackle number and reporting the corresponding relation between the described Subscriber Number of waiting to tackle number;
Described service control point specifically waits to tackle whether comprise described calling number in the number according to what described first record sheet judged that described called number reports, obtains first judged result;
Wait to tackle when comprising described calling number in the number what described first judged result indicated that described called number reports, described service control point sends first message that indication stops described calling to described Service Switching Point, otherwise sends second message that continues to handle described calling to described Service Switching Point.
11. call intercepting method according to claim 9 is characterized in that:
Described record sheet comprises second record sheet and first record sheet, described first record sheet has write down to be waited to tackle number and reports corresponding relation between the described number of waiting to tackle number, the number to be tackled that writes down in described second record sheet be described first record sheet write down wait to tackle in the number, report number of times to surpass the number of predetermined threshold value;
What described service control point judged that described second record sheet or described called number report waits to tackle whether comprise described calling number in the number, obtains second judged result;
Wait to tackle when comprising described calling number in the number what described second judged result indicated that described second record sheet or described called number report, described service control point sends first message that indication stops described calling to described Service Switching Point, otherwise sends second message that continues to handle described calling to described Service Switching Point.
12. call intercepting method according to claim 9 is characterized in that, also comprises:
Described calling number be described called number correspondence wait to tackle number the time, described service control point sends a notification message to described called number, described notification message indicates described calling number to be blocked.
CN 200910091220 2009-08-12 2009-08-12 Service control point of intelligent network and call intercepting method Pending CN101621775A (en)

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WO2011017967A1 (en) * 2009-08-12 2011-02-17 中兴通讯股份有限公司 Service control point in intelligent network and method for intercepting call
CN101931829A (en) * 2010-07-22 2010-12-29 万红萍 Method for intercepting call from inter-province illegal calling party by using intelligent network
CN102137411A (en) * 2010-08-09 2011-07-27 华为技术有限公司 Method and device for monitoring conversation
CN102137362A (en) * 2010-11-04 2011-07-27 华为技术有限公司 Intelligent number-correcting calling method and system of prepayment user, and relevant device
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CN102137378B (en) * 2011-03-02 2014-09-03 华为技术有限公司 Call charging method, service control equipment and call control system
CN106713594A (en) * 2017-01-20 2017-05-24 北京奇虎科技有限公司 Method and apparatus for intercepting unwanted call or text message in wearable device
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