CN109246058B - False caller identification method and device, electronic equipment and storage medium - Google Patents

False caller identification method and device, electronic equipment and storage medium Download PDF

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Publication number
CN109246058B
CN109246058B CN201710558144.2A CN201710558144A CN109246058B CN 109246058 B CN109246058 B CN 109246058B CN 201710558144 A CN201710558144 A CN 201710558144A CN 109246058 B CN109246058 B CN 109246058B
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calling
user
call
busy
domain
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CN109246058A (en
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杜海涛
黄震宁
邵京
彭晋
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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China Mobile Communications Group Co Ltd
China Mobile Communications Ltd Research Institute
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1076—Screening of IP real time communications, e.g. spam over Internet telephony [SPIT]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/1016—IP multimedia subsystem [IMS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2281—Call monitoring, e.g. for law enforcement purposes; Call tracing; Detection or prevention of malicious calls
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/436—Arrangements for screening incoming calls, i.e. evaluating the characteristics of a call before deciding whether to answer it
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
    • H04M7/0078—Security; Fraud detection; Fraud prevention

Abstract

The invention discloses a false caller identification method, a false caller identification device, electronic equipment and a storage medium, wherein the method comprises the following steps: SCP sends UDR message including identification information of calling user to HSS according to calling user; receiving a UDA message sent by a HSS, wherein the UDA message comprises IMS information and T-ADS information corresponding to a calling subscriber; if the corresponding IMS of the calling user signs and registers and the T-ADS supports the PS domain, determining that the calling user is in the PS domain, inquiring the busy-idle state of the calling user from the PCRF, and if the busy-idle state of the calling user is idle, determining that the calling user is a false calling; otherwise, determining that the calling user is in the CS domain, inquiring the busy-idle state of the calling user from the HLR, and if the busy-idle state of the calling user is idle, determining that the calling user is a false calling. To provide a false caller identification scheme supporting both CS domain and PS domain.

Description

False caller identification method and device, electronic equipment and storage medium
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a false caller identification method and apparatus, an electronic device, and a storage medium.
Background
The calling number display service, namely the caller identification service, is a basic function of a telephone network, and the wide use of the calling number display service brings great convenience to users. However, some lawbreakers, using new network technologies or existing vulnerabilities of gateway devices, artificially modify the calling number to a social public service number such as 110, an operator service number such as 10086 or other user numbers, and perform illegal activities such as harassment and telephone fraud to users. Therefore, effective measures are urgently needed to be taken to monitor the calling number so as to intercept false calling numbers.
However, the prior art identification process for false callers includes: a calling Subscriber initiates a call, a gateway triggers a Service Control Point (SCP), the SCP sends an Arbitrary Time Inquiry (ATI) message to a Home Location Register (HLR), the HLR receives the ATI message and sends a Provide Subscriber Information (PSI) message to a Visitor Mobile Switching Center (VMSC)/Visitor Location Register (VLR) to acquire the idle state of the calling Subscriber, and determines whether the calling Subscriber is a false calling Subscriber by determining whether the idle state of the calling Subscriber is idle, wherein the ATI message and the PSI message both contain identification Information of the calling Subscriber.
However, this method can only be applied to calls in a single Circuit Switched (CS) domain, and cannot be applied to calls in a Packet Switched (PS) domain, or calls in both PS and CS domains. For calls in the PS domain or calls in the presence of both the PS domain and the CS domain can only be connected, so that lawless persons harass the user by using false calling numbers, implement telephone fraud and the like, loss is caused to the user, and user experience is influenced. How to support the identification of false callers in the CS domain and the PS domain at the same time becomes a problem to be solved urgently.
Disclosure of Invention
The invention provides a false caller identification method, a false caller identification device, electronic equipment and a storage medium, which are used for simultaneously supporting the identification of false callers in a CS domain and a PS domain.
The invention discloses a false calling identification method, which is applied to a Service Control Point (SCP), and comprises the following steps:
according to a calling subscriber of a call, sending a User Data Request (UDR) message including identification information of the calling subscriber to a Home Subscriber Server (HSS);
receiving a user data response (UDA) message sent by the HSS, wherein the UDA message comprises information of an IP Multimedia Subsystem (IMS) corresponding to the calling user and information of terminating access domain selection (T-ADS);
if the IMS corresponding to the calling user signs and registers and the T-ADS supports a Packet Switching (PS) domain, determining that the calling user is in the PS domain, inquiring a policy and charging rule functional unit (PCRF) about the busy and idle state of the calling user, and if the busy and idle state of the calling user is idle, determining that the calling user of the call is a false calling;
otherwise, determining that the calling user is in a Circuit Switching (CS) domain, inquiring a Home Location Register (HLR) about the busy-idle state of the calling user, and if the busy-idle state of the calling user is idle, determining that the calling user of the call is a false calling.
Further, the querying the PCRF about the busy-idle status of the calling subscriber includes:
sending a user quality of service requirement UQR message including identification information of the calling user to the PCRF;
receiving a user service quality response UQA message sent by the PCRF, wherein the UQA message carries a value of a service Quality Class Identifier (QCI) corresponding to the calling party, wherein the value of the QCI is 1 to identify that the busy/idle state of the calling party is busy, and the value of the QCI is not 1 to identify that the busy/idle state of the calling party is idle.
Further, before sending the UDR message including the identification information of the calling subscriber to the HSS, the method further includes:
judging whether the blacklist contains the identification information of the calling subscriber;
if not, the subsequent steps are carried out.
Further, before determining that the calling party is behind the CS domain and if the busy-idle status of the calling party is idle, determining that the calling party of the call is a false calling, the method further includes:
inquiring the location of the calling subscriber from the HLR;
judging whether the position of the calling party is within a preset position range or not according to the position information of the calling party returned by the HLR;
if yes, the subsequent steps are carried out.
Further, before the sending, according to a calling subscriber of a call, a UDR message including identification information of the calling subscriber to a HSS, the method further includes:
and receiving a call triggered by the gateway office, wherein the call is triggered by the gateway office after the call of the outer gateway office reaches the gateway office.
Further, if it is determined that the calling party of the call is a false caller, the method further comprises:
and sending a release message containing the identification information of the call to a gateway office to enable the gateway office to release the call.
The invention discloses a false calling identification device, which is applied to a Service Control Point (SCP), and comprises:
a sending module, configured to send a user data request UDR message including identification information of a calling subscriber to a home subscriber server HSS according to the calling subscriber of a call;
a receiving identification module, configured to receive a user data response UDA message sent by the HSS, where the UDA message includes information of an IP multimedia subsystem IMS corresponding to the calling user and information of terminating access domain selection T-ADS; if the IMS corresponding to the calling user signs and registers and the T-ADS supports the PS domain, determining that the calling user is in the PS domain and triggering a first determining module, otherwise, determining that the calling user is in the CS domain and triggering a second determining module;
the first determining module is used for inquiring the busy and idle state of the calling subscriber from a policy and charging rule functional unit PCRF, and if the busy and idle state of the calling subscriber is idle, determining that the calling subscriber of the call is a false call;
and the second determining module is used for inquiring the busy-idle state of the calling subscriber from a Home Location Register (HLR), and if the busy-idle state of the calling subscriber is idle, determining that the calling subscriber of the call is a false calling subscriber.
The invention discloses an electronic device comprising: a memory, a processor, and a transceiver;
the processor is used for reading the program in the memory and executing the following processes: according to a calling party of a call, sending a User Data Request (UDR) message including identification information of the calling party to a Home Subscriber Server (HSS) through a transceiver; receiving a user data response (UDA) message sent by the HSS, wherein the UDA message comprises information of an IP Multimedia Subsystem (IMS) corresponding to the calling user and information of terminating access domain selection (T-ADS); if the IMS corresponding to the calling user signs and registers and the T-ADS supports a Packet Switching (PS) domain, determining that the calling user is in the PS domain, inquiring a policy and charging rule functional unit (PCRF) about the busy and idle state of the calling user, and if the busy and idle state of the calling user is idle, determining that the calling user of the call is a false calling; otherwise, determining that the calling user is in a Circuit Switching (CS) domain, inquiring a Home Location Register (HLR) about the busy-idle state of the calling user, and if the busy-idle state of the calling user is idle, determining that the calling user of the call is a false calling.
Further, the processor is further configured to send a user quality of service requirement UQR message including the identification information of the calling user to the PCRF through a transceiver; receiving a user service quality response UQA message sent by the PCRF, wherein the UQA message carries a value of a service Quality Class Identifier (QCI) corresponding to the calling party, wherein the value of the QCI is 1 to identify that the busy/idle state of the calling party is busy, and the value of the QCI is not 1 to identify that the busy/idle state of the calling party is idle.
Further, the processor is further configured to determine whether the blacklist includes the identification information of the calling subscriber, and if the determination result is negative, perform a process of sending a user data request UDR message including the identification information of the calling subscriber to a home subscriber server HSS through a transceiver according to the calling subscriber of the call.
Further, the processor is further configured to query the HLR for the location of the calling subscriber; judging whether the position of the calling party is within a preset position range or not according to the position information of the calling party returned by the HLR; if yes, determining the calling user of the call as a false calling if the busy-idle state of the calling user is idle.
Further, the processor is further configured to receive, by the transceiver, a call triggered by the gateway office, where the call is triggered by the gateway office after the call of the external gateway office reaches the gateway office.
Further, the processor is further configured to send a release message including identification information of the call to a gateway office through the transceiver if it is determined that the calling party of the call is a false call, so that the gateway office releases the call.
The invention discloses an electronic device, comprising: the system comprises a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory complete mutual communication through the communication bus;
the memory has stored therein a computer program which, when executed by the processor, causes the processor to perform the steps of any of the methods described above.
The invention discloses a computer readable storage medium storing a computer program executable by an electronic device, the program, when run on the electronic device, causing the electronic device to perform any of the method steps described above.
The invention discloses a false calling identification method, a false calling identification device, electronic equipment and a storage medium.A Service Control Point (SCP) sends a User Data Request (UDR) message comprising identification information of a calling user to a Home Subscriber Server (HSS) according to the calling user who calls; receiving a user data response (UDA) message sent by the HSS, wherein the UDA message comprises information of an IP Multimedia Subsystem (IMS) corresponding to the calling user and information of terminating access domain selection (T-ADS); if the IMS corresponding to the calling user signs and registers and the T-ADS supports a Packet Switching (PS) domain, determining that the calling user is in the PS domain, inquiring a policy and charging rule functional unit (PCRF) about the busy and idle state of the calling user, and if the busy and idle state of the calling user is idle, determining that the calling user of the call is a false calling; otherwise, determining that the calling user is in a Circuit Switching (CS) domain, inquiring a Home Location Register (HLR) about the busy-idle state of the calling user, and if the busy-idle state of the calling user is idle, determining that the calling user of the call is a false calling. In the embodiment of the invention, whether the calling user of the call is in the PS domain is judged by judging whether the IMS corresponding to the calling user signs a contract and registers and whether the T-ADS supports the PS domain, if so, the calling user of the call is determined to be in the PS domain, the busy-idle state of the calling user is inquired by the PCRF, otherwise, the calling user of the call is determined to be in the CS domain, the busy-idle state of the calling user is inquired by the HLR, and if the busy-idle state of the calling user is idle, the calling user of the call is determined to be a false calling, so that the false calling identification in the CS domain and the PS domain is simultaneously supported, the loss of the user is avoided, and the user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a false caller identification process provided in embodiment 1 of the present invention;
fig. 2 is a schematic diagram illustrating determining a domain where a calling subscriber is located according to a UDA message sent by a HSS according to embodiment 1 of the present invention;
fig. 3 is a schematic diagram of a false caller identification process according to embodiment 5 of the present invention;
fig. 4 is a schematic structural diagram of a false caller id device according to embodiment 7 of the present invention;
fig. 5 is a schematic structural diagram of an electronic device according to embodiment 8 of the present invention;
fig. 6 is a schematic view of an electronic device according to embodiment 9 of the present invention;
fig. 7 is a schematic diagram of a false caller identification network architecture according to embodiment 11 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
fig. 1 is a schematic diagram of a false caller identification process provided in an embodiment of the present invention, where the process includes:
s101: according to a calling Subscriber of a call, a User Data Request (UDR) message including identification information of the calling Subscriber is sent to a Home Subscriber Server (HSS).
S102: receiving a User Data Answer (UDA) message sent by the HSS, wherein the UDA message includes information of an IP Multimedia Subsystem (IMS) corresponding to the calling subscriber and information of Terminating Access Domain Selection (T-ADS).
The false calling identification method provided by the embodiment of the invention is applied to SCP, the SCP generally comprises a high-performance microcomputer, a medium-sized or large-sized computer and a large-sized real-time high-speed database, is used for storing user data and service logic, and has the main function of starting different service logic aiming at various calls to realize the calls of various intelligent services. The HSS is an important component of the control layer in the IMS, and contains a profile of a user for authentication and authorization of the user identity.
According to a calling party of a call, SCP sends a UDR message including identification information of the calling party to HSS, and receives a UDA message sent by HSS, wherein the UDA message includes information of IMS and information of T-ADS corresponding to the calling party. Specifically, the IMS information corresponding to the calling subscriber includes whether the IMS corresponding to the calling subscriber signs up and registers, and whether a Terminating Access Domain Selection (T-ADS) supports the PS Domain.
S103: and judging whether the IMS corresponding to the calling user signs a contract and registers, and whether the T-ADS supports the PS domain, if so, determining that the calling user is in the PS domain, and performing S104, and if not, determining that the calling user is in the CS domain, and performing S105.
Specifically, whether the IMS corresponding to the calling user is subscribed may be represented by a value of an IP Multimedia Public Identity (IMPU) in the UDA message, where a value of 5001 for the IMPU indicates that the IMS is not subscribed, and a value of 2001 for the IMPU indicates that the IMS is subscribed; whether the IMS corresponding to the calling User is registered or not can be represented by a value of an IP multimedia subsystem User State (IMS User State) in the UDA message, wherein the IMS User State value is 0 to represent that the IMS is not registered, and the IMS User State value is 1 or 2 or 3 to represent that the IMS is registered; whether the T-ADS corresponding to the calling subscriber supports the PS domain or not can be represented by the value of the T-ADS in the UDA message, wherein the value of the T-ADS is 1 to represent that the PS domain is supported, and the value of the T-ADS is 0 or 2 to represent that the PS domain is not supported.
When the domain where the calling user is located is determined, the determination is carried out according to the judgment results of whether the IMS signs a contract or not, whether the IMS signs a register or not and whether the T-ADS supports the PS domain or not, if yes, the calling user is determined to be in the PS domain, and if any one of the IMS signs a contract or not, the T-ADS supports the PS domain, the calling user is determined to be in the CS domain.
Fig. 2 is a schematic diagram for determining a domain where a calling subscriber is located according to a UDA message sent by an HSS according to an embodiment of the present invention. Specifically, the UDA message returned by the HSS comprises information of IMPU, IMS User State and T-ADS, wherein if the value of IMPS is 5001, the IMS is not signed, the value of IMPS is 2001, the IMS is signed, the value of IMS User State is 0, the IMS is not registered, the value of IMS User State is 1, 2 or 3, the IMS is registered, the T-ADS is 1, the T-ADS supports the PS domain, can be expressed as IMS-VOICE-OVER-PS-SUPPORTED, T-ADS is 0 to express that T-ADS does not support PS domain, can be expressed as IMS-VOICE-OVER-PS-NOT-SUPPORTED, TADS is 2 means that T-ADS does NOT support PS domain, may be denoted as IMS-VOICE-OVER-PS-supported-UNKNOWN, whether the TADS supports the PS domain or not is unknown under the condition, and for convenience of subsequent identification, the T-ADS is determined not to support the PS domain; the information whether the IMS is registered is Any, which indicates that whether the IMS is registered is not limited, and the information of the T-ADS is Any, which indicates that whether the IMS supports the PS domain is not limited.
When the UDA message returned by the HSS is case 1: the IMS does not sign a contract, the domain where the calling user is located is determined to be a CS domain, and the domain for inquiring the busy and idle state of the calling user is determined to be the CS domain; when the UDA message returned by the HSS is case 2: the IMS is signed and not registered, the domain where the calling user is located is determined to be a CS domain, and the domain for inquiring the busy and idle state of the calling user is determined to be the CS domain; when the UDA message returned by the HSS is case 3: IMS has signed and registered, T-ADS does not support PS domain, confirm the domain that the caller belongs to is CS domain at present, carry on caller busy and free state inquiry domain for CS domain; when the UDA message returned by the HSS is case 4: IMS has signed and registered, T-ADS supports PS domain, confirms the domain where the calling user locates at is PS domain, the domain that inquires the busy/idle state of the calling user is PS domain; when the UDA message returned by the HSS is case 5: in other cases, that is, in cases other than the above case 1, case 2, case 3, and case 4, it is determined that the domain where the calling user is currently located is the CS domain, and the domain where the calling user is in the busy-idle state query is the CS domain.
S104: inquiring a Policy and Charging Rules Function (PCRF) about the busy-idle state of the calling subscriber, and if the busy-idle state of the calling subscriber is idle, determining that the calling subscriber of the call is a false calling subscriber.
The PCRF is a policy and charging control policy decision point of the service data stream and the IP bearer resource, and can determine the busy and idle state of the user by inquiring whether the user is in the voice bearer or not, if the user is in the voice bearer, the busy and idle state of the user is determined to be busy, and if the user is not in the voice bearer, the busy and idle state of the user is determined to be idle. Of course, the busy/idle state of the user can also be determined by inquiring whether the voice service of the user is being charged, if the voice service of the user is being charged, the busy/idle state of the user is determined to be busy, and if the voice service of the user is not being charged, the busy/idle state of the user is determined to be idle.
Specifically, the SCP may send a first message including the identification information of the calling party to the PCRF, receive a second message including a busy-idle state of the calling party replied by the PCRF, and determine that the calling party of the call is a false call if the busy-idle state of the calling party is idle, which indicates that the calling party is not in call access or in call connection.
And if the busy-idle state of the calling subscriber is busy, determining that the calling subscriber is not a false calling subscriber.
S105: and determining that the calling user is in a Circuit Switching (CS) domain, inquiring a Home Location Register (HLR) about the busy-idle state of the calling user, and if the busy-idle state of the calling user is idle, determining that the calling user of the call is a false calling.
Specifically, an ATI message containing the identification information of the calling subscriber is sent to an HLR, the HLR sends a PSI message to a VMSC/VLR after receiving the ATI message to acquire the state of the calling subscriber, and sends a response (PSI _ ask) message which is replied by the VMSC/VLR and provides subscriber information to an SCP, wherein the PSI _ ask message comprises the busy and idle state of the calling subscriber, and the SCP determines that the calling subscriber of the call is a false calling subscriber according to the busy and idle state of the calling subscriber if the busy and idle state of the calling subscriber is idle, which indicates that the calling subscriber is not in call access or call connection.
And if the busy-idle state of the calling subscriber is busy, determining that the calling subscriber is not a false calling subscriber.
In the embodiment of the invention, whether the calling user of the call is in the PS domain is judged by judging whether the IMS corresponding to the calling user signs a contract and registers and whether the T-ADS supports the PS domain, if so, the calling user of the call is determined to be in the PS domain, the busy-idle state of the calling user is inquired by the PCRF, otherwise, the calling user of the call is determined to be in the CS domain, the busy-idle state of the calling user is inquired by the HLR, and if the busy-idle state of the calling user is idle, the calling user of the call is determined to be a false calling, so that the false calling identification in the CS domain and the PS domain is simultaneously supported, the loss of the user is avoided, and the user experience is improved.
Example 2:
in order to improve the accuracy of false caller identification, on the basis of the above embodiment, in an embodiment of the present invention, the querying the PCRF about the busy-idle state of the calling subscriber includes:
sending a User-quality-of-service-Request (UQR) message including the calling subscriber identification information to the PCRF;
receiving a User-Qos-Answer (UQA) message sent by the PCRF, wherein the UQA message carries a value of a Qos Class Identifier (QCI) corresponding to the calling subscriber, and the value of the QCI is 1 to identify that the busy/idle state of the calling subscriber is busy, and the value of the QCI is not 1 to identify that the busy/idle state of the calling subscriber is idle.
The PCRF is a policy and charging control policy decision point for Service data streams and IP bearer resources, and can control Quality of Service (QoS) for users and services, thereby providing differentiated services for users. The QoS Class Identifier (QCI) is one of the most important QoS parameters carried by an Evolved Packet System (EPS), and represents the QoS characteristics that the EPS should provide for a Service Data Flow (SDF). In the characteristics of 9 standard QCIs of Long Term Evolution (LTE) system given in the section of 3GPP 23.203 protocol 6.1.7.2, it is indicated that when a voice call service is performed, the value of QCI is 1, which indicates that a voice bearer is established and a user is in call access or call connection. That is, when the value of QCI allocated to the voice call service of the user by the PCRF is 1, it indicates that the busy-idle state of the user is busy.
Specifically, the SCP sends UQR messages containing identification information of the calling party to the PCRF, the PCRF replies UQA messages containing the QCI value of the calling party to the SCP after receiving UQR messages containing identification information of the calling party sent by the SCP, and if the QCI value of the calling party is 1 in the UQA messages, it is determined that the busy and idle state of the calling party is busy. Otherwise, determining the busy-idle state of the calling user as idle.
Table 1 shows information of key information elements in UQR messages according to an embodiment of the present invention.
Figure BDA0001346361140000111
TABLE 1
As shown in table 1, the Information Element (Information Element) in the UQR message includes a Subscription Identity (Subscription-ID), Requested QoS data (Requested QoS data), and an Identity of the Server (Server Identity), and the corresponding Presence requirements (Presence Requirement) are all Mandatory (database), and Information elements indicating that the Subscription-ID, the Requested QoS data, and the Server Identity are all critical, where the summary of the Subscription-ID is a user identifier, which may be a user phone number, the summary of the Requested QoS data is QoS data that needs to be queried, and the summary of the Server Identity is a PCRF Identity.
Table 2 shows information of key information elements in a UDA message according to an embodiment of the present invention.
Figure BDA0001346361140000121
TABLE 2
As shown in table 2, the Information Element in the UQA message includes a Subscription-ID and a QoS value (EPS-Bearer-QoS) of the EPS Bearer, and the corresponding Presence requirements are both directory, which indicates that the Subscription-ID and the EPS-Bearer-QoS are both critical Information elements, where the brief description of the Subscription-ID is a user identifier, which may be a user phone number, and the brief description of the EPS-Bearer-QoS is a returned QoS value.
Example 3:
in order to improve the efficiency of false caller identification, on the basis of the above embodiment, in an embodiment of the present invention, before sending the UDR message including the identification information of the calling subscriber to the HSS, the method further includes:
judging whether the blacklist contains the identification information of the calling subscriber;
if not, the subsequent steps are carried out.
In the embodiment of the present invention, a blacklist is set in advance for a false caller frequently used by a lawbreaker, for example: callers with caller number 12314 who are similar to consumer hotline 12315 are added to the blacklist, callers with caller number 10056 who are similar to mobile service hotline 10086 are added to the blacklist.
Specifically, before sending the UDR message including the identification information of the calling subscriber to the HSS, it is determined whether a blacklist includes the identification information of the calling subscriber, if the blacklist includes the identification information of the calling subscriber, it is indicated that the calling subscriber of the call is a false calling, and if the blacklist does not include the identification information of the calling subscriber, a subsequent step of sending the UDR message including the identification information of the calling subscriber to the HSS is performed.
Example 4:
on the basis of the foregoing embodiments, in an embodiment of the present invention, to improve accuracy of false caller identification, before determining that a caller is behind a CS domain and if a busy/idle state of the caller is idle, determining that the caller of a call is a false caller, the method further includes:
inquiring the position of the calling subscriber from an HLR;
judging whether the position is within a preset position range or not;
if yes, the subsequent steps are carried out.
In the embodiment of the present invention, the preset position range is determined according to the service range of the SCP, and when the calling party of the call is not within the service range of the SCP, there may be a situation that the calling party performs forwarding or call forwarding, and at this time, although the calling party is calling, the busy-idle state corresponding to the calling party may still be idle, and thus the calling party is determined to be a false calling party.
In order to guarantee the rights and interests of the users, false caller identification is not carried out on the calls corresponding to the calling users which are not in the preset position range. For example: and if the SCP is a China mobile SCP and the service range corresponding to the SCP is in China, the preset position range aiming at the SCP is in China, and the calling of the calling user, which is not in China, is not identified by the false calling.
Example 5:
to further ensure the accuracy of false caller identification, on the basis of the foregoing embodiments, in an embodiment of the present invention, before sending, to the HSS, a UDR message including identification information of a calling party according to the calling party of a call, the method further includes:
and receiving a call triggered by the gateway office, wherein the call is triggered by the gateway office after the call of the outer gateway office reaches the gateway office.
Specifically, for a call in the process of establishing, namely after a call of an external gateway office reaches an intergateway office, the intergateway office triggers a call to an SCP, and the SCP identifies a false calling for the call.
Fig. 3 is a schematic diagram of a false caller identification process according to an embodiment of the present invention, where the process includes:
s301: and receiving a call triggered by the gateway office, wherein the call is triggered by the gateway office after the call of the outer gateway office reaches the gateway office.
S302: and judging whether the blacklist contains the identification information of the calling party of the call, if not, performing S303, and if so, performing S308.
S303: sending a UDR message including the identification information of the calling subscriber to the HSS.
S304: and receiving a UDA message sent by the HSS, wherein the UDA message comprises the information of the IMS corresponding to the calling subscriber and the information of the T-ADS.
S305: and judging whether the IMS corresponding to the calling user signs a contract and registers, and whether the T-ADS supports the PS domain, if so, determining that the calling user is in the PS domain, and S306 is carried out, and if any one is not, determining that the calling user is in the CS domain, and S307 is carried out.
S306: and inquiring the busy and idle state of the calling subscriber from the PCRF, judging whether the busy and idle state of the calling subscriber is idle, if so, carrying out S308, and if not, carrying out S309.
S307: and inquiring the busy and idle state of the calling subscriber from the HLR, judging whether the busy and idle state of the calling subscriber is idle, if so, performing S308, and if not, performing S309.
S308: determining that the calling user of the call is a false caller.
S309: and connecting the call.
Example 6:
in order to ensure the user's rights and prevent lawless persons from harassing the user with a false caller number, implementing telephone fraud, etc., on the basis of the above embodiments, in the embodiment of the present invention, if it is determined that the caller of the call is a false caller, the method further includes:
and sending a release message containing the identification information of the call to a gateway office to enable the gateway office to release the call.
Specifically, if the calling user of the call is determined to be a false calling, a release message containing the identification information of the call is sent to a gateway, so that the gateway releases the call.
Example 7:
fig. 4 is a schematic structural diagram of a false caller id device according to an embodiment of the present invention, where the device includes:
a sending module 41, configured to send, according to a calling subscriber of a call, a user data request UDR message including identification information of the calling subscriber to a home subscriber server HSS;
a receiving and identifying module 42, configured to receive a user data response UDA message sent by the HSS, where the UDA message includes information of an IP multimedia subsystem IMS corresponding to the calling user and information of terminating access domain selection T-ADS; if the IMS corresponding to the calling user signs and registers and the T-ADS supports the PS domain, determining that the calling user is in the PS domain and triggering a first determining module, otherwise, determining that the calling user is in the CS domain and triggering a second determining module;
a first determining module 43, configured to query a policy and charging rules function PCRF about a busy/idle status of the calling subscriber, and if the busy/idle status of the calling subscriber is idle, determine that the calling subscriber of the call is a false call;
a second determining module 44, configured to query a home location register HLR for a busy-idle state of the calling subscriber, and if the busy-idle state of the calling subscriber is idle, determine that the calling subscriber of the call is a false call.
The first determining module 43 is specifically configured to send a user quality of service requirement UQR message including the identification information of the calling user to the PCRF; receiving a user service quality response UQA message sent by the PCRF, wherein the UQA message carries a value of a service Quality Class Identifier (QCI) corresponding to the calling party, wherein the value of the QCI is 1 to identify that the busy/idle state of the calling party is busy, and the value of the QCI is not 1 to identify that the busy/idle state of the calling party is idle.
The device further comprises:
and the judging module 45 is used for judging whether the blacklist contains the identification information of the calling party or not, and if the judgment result is negative, the sending module is triggered.
The second determining module 44 is further configured to query the HLR for the location of the calling subscriber; judging whether the position of the calling party is within a preset position range or not according to the position information of the calling party returned by the HLR; if yes, determining the calling user of the call as a false calling if the busy-idle state of the calling user is idle.
The device further comprises:
a receiving module 46, configured to receive a call triggered by an gateway office, where the call is triggered by the gateway office after an external gateway office call reaches the gateway office.
The device further comprises:
and the processing module 47 is configured to send a release message including identification information of the call to a gateway if it is determined that the calling party of the call is a false call, so that the gateway releases the call.
Example 8:
based on the same inventive concept, the embodiment of the present invention further provides an electronic device, and as the principle of solving the problem of the electronic device is similar to that of the false caller identification method, the implementation of the electronic device may refer to the implementation of the method, and repeated details are not repeated.
Fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, where in fig. 5, the bus architecture may include any number of interconnected buses and bridges, and specifically, one or more processors 500 represented by a processor 500 and various circuits of a memory 520 represented by a memory 520 are linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 510 may be a number of elements, including a transmitter and the transceiver 510, providing a means for communicating with various other apparatus over a transmission medium. The processor 500 is responsible for managing the bus architecture and general processing, and the memory 520 may store data used by the processor 500 in performing operations.
In the electronic device provided in the embodiment of the present invention:
the processor 500 is configured to read the program in the memory 520 and execute the following processes: according to a calling subscriber of a call, sending a User Data Request (UDR) message including identification information of the calling subscriber to a Home Subscriber Server (HSS) through a transceiver 510; receiving a user data response (UDA) message sent by the HSS, wherein the UDA message comprises information of an IP Multimedia Subsystem (IMS) corresponding to the calling user and information of terminating access domain selection (T-ADS); if the IMS corresponding to the calling user signs and registers and the T-ADS supports a Packet Switching (PS) domain, determining that the calling user is in the PS domain, inquiring a policy and charging rule functional unit (PCRF) about the busy and idle state of the calling user, and if the busy and idle state of the calling user is idle, determining that the calling user of the call is a false calling; otherwise, determining that the calling user is in a Circuit Switching (CS) domain, inquiring a Home Location Register (HLR) about the busy-idle state of the calling user, and if the busy-idle state of the calling user is idle, determining that the calling user of the call is a false calling.
Preferably, the processor 500 is further configured to send a user quality of service requirement UQR message including the identification information of the calling user to the PCRF through the transceiver 510; receiving a user service quality response UQA message sent by the PCRF, wherein the UQA message carries a value of a service Quality Class Identifier (QCI) corresponding to the calling party, wherein the value of the QCI is 1 to identify that the busy/idle state of the calling party is busy, and the value of the QCI is not 1 to identify that the busy/idle state of the calling party is idle.
Preferably, the processor 500 is further configured to determine whether the blacklist includes the identification information of the calling subscriber, and if the determination result is negative, perform a process of sending a user data request UDR message including the identification information of the calling subscriber to a home subscriber server HSS through the transceiver 510 according to the calling subscriber of the call.
Preferably, the processor 500 is further configured to query the HLR for the location of the calling subscriber; judging whether the position of the calling party is within a preset position range or not according to the position information of the calling party returned by the HLR; if yes, determining the calling user of the call as a false calling if the busy-idle state of the calling user is idle.
Preferably, the processor 500 is further configured to receive, through the transceiver 510, a call triggered by an gateway, where the call is triggered by the gateway after the call of the external gateway reaches the gateway.
Preferably, the processor 500 is further configured to send a release message including identification information of the call to a gateway office through the transceiver 510 if it is determined that the calling party of the call is a false caller, so that the gateway office releases the call.
Example 9:
on the basis of the foregoing embodiments, an embodiment of the present invention further provides an electronic device, as shown in fig. 6, including: the system comprises a processor 61, a communication interface 62, a memory 63 and a communication bus 64, wherein the processor 61, the communication interface 62 and the memory 63 complete mutual communication through the communication bus 64;
the memory 63 has stored therein a computer program which, when executed by the processor 61, causes the processor 61 to perform the steps of:
according to a calling subscriber of a call, sending a User Data Request (UDR) message including identification information of the calling subscriber to a Home Subscriber Server (HSS);
receiving a user data response (UDA) message sent by the HSS, wherein the UDA message comprises information of an IP Multimedia Subsystem (IMS) corresponding to the calling user and information of terminating access domain selection (T-ADS);
if the IMS corresponding to the calling user signs and registers and the T-ADS supports a Packet Switching (PS) domain, determining that the calling user is in the PS domain, inquiring a policy and charging rule functional unit (PCRF) about the busy and idle state of the calling user, and if the busy and idle state of the calling user is idle, determining that the calling user of the call is a false calling;
otherwise, determining that the calling user is in a Circuit Switching (CS) domain, inquiring a Home Location Register (HLR) about the busy-idle state of the calling user, and if the busy-idle state of the calling user is idle, determining that the calling user of the call is a false calling.
The electronic device provided by the embodiment of the invention can be a desktop computer, a portable computer, a smart phone, a tablet computer, a Personal Digital Assistant (PDA), a network side device and the like.
The communication bus mentioned in the electronic device may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus.
The communication interface 62 is used for communication between the above-described electronic apparatus and other apparatuses.
The Memory may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as at least one disk Memory. Alternatively, the memory may be at least one memory device located remotely from the processor.
The Processor may be a general-purpose Processor, including a central processing unit, a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an application specific integrated circuit, a field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or the like.
Example 10:
on the basis of the foregoing embodiments, an embodiment of the present invention further provides a computer storage readable storage medium, in which a computer program executable by an electronic device is stored, and when the program is run on the electronic device, the electronic device is caused to execute the following steps: according to a calling subscriber of a call, sending a User Data Request (UDR) message including identification information of the calling subscriber to a Home Subscriber Server (HSS);
receiving a user data response (UDA) message sent by the HSS, wherein the UDA message comprises information of an IP Multimedia Subsystem (IMS) corresponding to the calling user and information of terminating access domain selection (T-ADS);
if the IMS corresponding to the calling user signs and registers and the T-ADS supports a Packet Switching (PS) domain, determining that the calling user is in the PS domain, inquiring a policy and charging rule functional unit (PCRF) about the busy and idle state of the calling user, and if the busy and idle state of the calling user is idle, determining that the calling user of the call is a false calling;
otherwise, determining that the calling user is in a Circuit Switching (CS) domain, inquiring a Home Location Register (HLR) about the busy-idle state of the calling user, and if the busy-idle state of the calling user is idle, determining that the calling user of the call is a false calling.
Example 11:
fig. 7 is a schematic diagram of a false caller id network architecture according to an embodiment of the present invention, in which a gateway sends a call accessed to the gateway to an SCP, the SCP determines whether a calling party of the call is in a blacklist, if not, the SCP sends a UDR message including identification information of the calling party to an HSS according to the calling party of the call, and receives a UDA message sent by the HSS, where the UDA message includes information of an IMS and information of a T-ADS corresponding to the calling party, if the IMS signs and registers corresponding to the calling party, and the T-ADS supports a PS domain, it is determined that the calling party is in the PS domain, and a busy state of the calling party is queried for the PCRF, otherwise, it is determined that the calling party is in the CS domain, and a busy state of the calling party is queried for the HLR, if the busy state of the calling party is idle, it is determined that the calling party of the call is false, and sending a release message including the call identification information to the gateway office to inform the gateway office to release the call. In addition, the management platform can perform data analysis on the false caller identified by the SCP, generate a statistical form for the manager to check, and generate a blacklist according to a blacklist generation rule formulated by the manager, for example: and adding the calling user corresponding to the false calling with the occurrence frequency larger than the set frequency threshold into a blacklist.
The invention discloses a false calling identification method, a false calling identification device, electronic equipment and a storage medium.A Service Control Point (SCP) sends a User Data Request (UDR) message comprising identification information of a calling user to a Home Subscriber Server (HSS) according to the calling user who calls; receiving a user data response (UDA) message sent by the HSS, wherein the UDA message comprises information of an IP Multimedia Subsystem (IMS) corresponding to the calling user and information of terminating access domain selection (T-ADS); if the IMS corresponding to the calling user signs and registers and the T-ADS supports a Packet Switching (PS) domain, determining that the calling user is in the PS domain, inquiring a policy and charging rule functional unit (PCRF) about the busy and idle state of the calling user, and if the busy and idle state of the calling user is idle, determining that the calling user of the call is a false calling; otherwise, determining that the calling user is in a Circuit Switching (CS) domain, inquiring a Home Location Register (HLR) about the busy-idle state of the calling user, and if the busy-idle state of the calling user is idle, determining that the calling user of the call is a false calling. In the embodiment of the invention, whether the calling user of the call is in the PS domain is judged by judging whether the IMS corresponding to the calling user signs a contract and registers and whether the T-ADS supports the PS domain, if so, the calling user of the call is determined to be in the PS domain, the busy-idle state of the calling user is inquired by the PCRF, otherwise, the calling user of the call is determined to be in the CS domain, the busy-idle state of the calling user is inquired by the HLR, and if the busy-idle state of the calling user is idle, the calling user of the call is determined to be a false calling, so that the false calling identification in the CS domain and the PS domain is simultaneously supported, the loss of the user is avoided, and the user experience is improved.
For the system/apparatus embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference may be made to some descriptions of the method embodiments for relevant points.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (13)

1. A false caller identification method, applied to a service control node, SCP, the method comprising:
according to a calling subscriber of a call, sending a User Data Request (UDR) message including identification information of the calling subscriber to a Home Subscriber Server (HSS);
receiving a user data response (UDA) message sent by the HSS, wherein the UDA message comprises information of an IP Multimedia Subsystem (IMS) corresponding to the calling user and information of terminating access domain selection (T-ADS);
if the IMS corresponding to the calling user signs and registers and the T-ADS supports a Packet Switching (PS) domain, determining that the calling user is in the PS domain, inquiring a policy and charging rule functional unit (PCRF) about the busy and idle state of the calling user, and if the busy and idle state of the calling user is idle, determining that the calling user of the call is a false calling;
otherwise, determining that the calling user is in a Circuit Switching (CS) domain, inquiring a Home Location Register (HLR) about the busy-idle state of the calling user, and if the busy-idle state of the calling user is idle, determining that the calling user of the call is a false calling;
wherein, the inquiring the busy-idle state of the calling subscriber from the PCRF comprises:
sending a user quality of service requirement UQR message including identification information of the calling user to the PCRF;
receiving a user service quality response UQA message sent by the PCRF, wherein the UQA message carries a value of a service Quality Class Identifier (QCI) corresponding to the calling party, wherein the value of the QCI is 1 to identify that the busy/idle state of the calling party is busy, and the value of the QCI is not 1 to identify that the busy/idle state of the calling party is idle.
2. The method of claim 1, wherein prior to said sending a UDR message to the HSS that includes identification information of the calling subscriber, the method further comprises:
judging whether the blacklist contains the identification information of the calling subscriber;
if not, the subsequent steps are carried out.
3. The method of claim 1, wherein said determining that said calling user is after a CS domain, before determining that said calling user of said call is a false call if a busy-idle status of said calling user is idle, further comprises:
inquiring the location of the calling subscriber from the HLR;
judging whether the position of the calling party is within a preset position range or not according to the position information of the calling party returned by the HLR;
if yes, the subsequent steps are carried out.
4. A method according to any of claims 1-3, wherein before sending a UDR message comprising identification information of the calling subscriber to the HSS in dependence of the calling subscriber of the call, the method further comprises:
and receiving a call triggered by the gateway office, wherein the call is triggered by the gateway office after the call of the outer gateway office reaches the gateway office.
5. The method of claim 4, wherein if the calling user of the call is determined to be a false caller, the method further comprises:
and sending a release message containing the identification information of the call to a gateway office to enable the gateway office to release the call.
6. A false caller identification device, applied to a service control point, SCP, said device comprising:
a sending module, configured to send a user data request UDR message including identification information of a calling subscriber to a home subscriber server HSS according to the calling subscriber of a call;
a receiving identification module, configured to receive a user data response UDA message sent by the HSS, where the UDA message includes information of an IP multimedia subsystem IMS corresponding to the calling user and information of terminating access domain selection T-ADS; if the IMS corresponding to the calling user signs and registers and the T-ADS supports the PS domain, determining that the calling user is in the PS domain and triggering a first determining module, otherwise, determining that the calling user is in the CS domain and triggering a second determining module;
the first determining module is used for inquiring the busy and idle state of the calling subscriber from a policy and charging rule functional unit PCRF, and if the busy and idle state of the calling subscriber is idle, determining that the calling subscriber of the call is a false call;
and the second determining module is used for inquiring the busy-idle state of the calling subscriber from a Home Location Register (HLR), and if the busy-idle state of the calling subscriber is idle, determining that the calling subscriber of the call is a false calling subscriber.
7. An electronic device, comprising: a memory, a processor, and a transceiver;
the processor is used for reading the program in the memory and executing the following processes: according to a calling party of a call, sending a User Data Request (UDR) message including identification information of the calling party to a Home Subscriber Server (HSS) through a transceiver; receiving a user data response (UDA) message sent by the HSS, wherein the UDA message comprises information of an IP Multimedia Subsystem (IMS) corresponding to the calling user and information of terminating access domain selection (T-ADS); if the IMS corresponding to the calling user signs and registers and the T-ADS supports a Packet Switching (PS) domain, determining that the calling user is in the PS domain, inquiring a policy and charging rule functional unit (PCRF) about the busy and idle state of the calling user, and if the busy and idle state of the calling user is idle, determining that the calling user of the call is a false calling; otherwise, determining that the calling user is in a Circuit Switching (CS) domain, inquiring a Home Location Register (HLR) about the busy-idle state of the calling user, and if the busy-idle state of the calling user is idle, determining that the calling user of the call is a false calling;
wherein the processor is further configured to send a user quality of service requirement UQR message including the identification information of the calling user to the PCRF through a transceiver; receiving a user service quality response UQA message sent by the PCRF, wherein the UQA message carries a value of a service Quality Class Identifier (QCI) corresponding to the calling party, wherein the value of the QCI is 1 to identify that the busy/idle state of the calling party is busy, and the value of the QCI is not 1 to identify that the busy/idle state of the calling party is idle.
8. The electronic device of claim 7, wherein the processor is further configured to determine whether the blacklist includes identification information of the calling subscriber, and if the determination result is negative, perform a process of sending a User Data Request (UDR) message including the identification information of the calling subscriber to a Home Subscriber Server (HSS) through a transceiver according to the calling subscriber of the call.
9. The electronic device of claim 7, wherein the processor is further configured to query the HLR for the location of the calling subscriber; judging whether the position of the calling party is within a preset position range or not according to the position information of the calling party returned by the HLR; if yes, determining the calling user of the call as a false calling if the busy-idle state of the calling user is idle.
10. The electronic device of any of claims 7-9, wherein the processor is further configured to receive, via the transceiver, a gateway office triggered call, wherein the call is triggered by the gateway office after an external gateway office call arrives at the gateway office.
11. The electronic device of claim 10, wherein the processor is further configured to cause a gateway to release the call by sending a release message including identification information of the call to the gateway via a transceiver if the calling party of the call is determined to be a false caller.
12. An electronic device, comprising: the system comprises a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory complete mutual communication through the communication bus;
the memory has stored therein a computer program which, when executed by the processor, causes the processor to carry out the steps of the method of any of claims 1-5.
13. A computer-readable storage medium, having stored thereon a computer program executable by an electronic device, for causing the electronic device to perform the steps of the method of any one of claims 1-5, when the program is run on the electronic device.
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