阅读说明：本技术 语音呼叫安全防护的方法、装置及计算设备 (Voice call security protection method and device and computing equipment ) 是由 张余 于 2020-06-16 设计创作，主要内容包括：本发明实施例涉及通信技术领域,公开了一种语音呼叫安全防护的方法、装置及计算设备。其中,该方法包括：获取彩印用户号码,根据所述彩印用户号码的业务订购信息触发彩印业务；判断与所述彩印用户号码建立通信连接的用户号码是否标记为危险号码；当与所述彩印用户号码建立通信连接的用户号码为危险号码时,进行安全预警。通过上述方式,本发明实施例不仅能够实现既有业务,而且能够对危险用户进行安全预警,达到为用户提供语音呼叫安全防护的目的。(The embodiment of the invention relates to the technical field of communication, and discloses a method and a device for voice call security protection and computing equipment. Wherein, the method comprises the following steps: acquiring a color printing user number, and triggering color printing service according to service order information of the color printing user number; judging whether the user number establishing communication connection with the color printing user number is marked as a dangerous number or not; and when the user number establishing communication connection with the color printing user number is a dangerous number, carrying out safety early warning. Through the mode, the embodiment of the invention not only can realize the existing service, but also can carry out safety early warning on dangerous users, thereby achieving the purpose of providing voice call safety protection for the users.)

1. A method for securing a voice call, the method comprising:

acquiring a color printing user number, and triggering color printing service according to service order information of the color printing user number;

judging whether the user number establishing communication connection with the color printing user number is marked as a dangerous number or not;

and when the user number establishing communication connection with the color printing user number is a dangerous number, carrying out safety early warning.

2. The method of claim 1, wherein when the subscriber number establishing communication connection with the color-printed subscriber number is a dangerous number, performing a security precaution, further comprising:

when the color printing user number is a calling party and the user number establishing communication connection with the color printing user number is a dangerous number, requesting to send safety reminding information to the color printing user number;

sending a call interception check request to perform call interception check, and requesting to inquire and confirm whether the user number establishing communication connection with the color printing user number is a dangerous number;

and when the user number establishing communication connection with the color printing user number is confirmed to be a dangerous number, sending a call interception request to carry out call interception.

3. The method of claim 1, wherein when the subscriber number establishing communication connection with the color-printed subscriber number is a dangerous number, performing a security precaution, further comprising:

when the color printing user number is called and the user number establishing communication connection with the color printing user number is a dangerous number, requesting to inquire and confirm whether the color printing user number opens a blacklist or not;

when the color printing user number opens a blacklist and the user number establishing communication connection with the color printing user number is in the blacklist, requesting to carry out call interception;

and sending a blacklist interception notice to the user number establishing communication connection with the color printing user number.

4. The method of claim 1, wherein when the subscriber number establishing communication connection with the color-printed subscriber number is a dangerous number, performing a security precaution, further comprising:

when the color printing user number is called and the user number establishing communication connection with the color printing user number is a dangerous user, requesting to inquire and confirm whether the color printing user number opens a white list or not;

when the user number establishing communication connection with the color printing user number is in a white list of the color printing user number, allowing the color printing user number to be connected;

and sending safety reminding information to the color printing user number.

5. The method according to any one of claims 1 to 4, further comprising:

and when the user number establishing communication connection with the color printing user number is a non-dangerous number, continuing according to a normal flow.

6. The method according to any one of claims 1 to 4, further comprising:

and setting a white list and/or a black list for the color printing user number.

7. An apparatus for voice call security, the apparatus comprising:

the service triggering module is used for acquiring a color printing user number and triggering color printing services according to service order information of the color printing user number;

the inquiry module is used for judging whether the user number establishing communication connection with the color printing user number is marked as a dangerous number or not;

and the safety protection module is used for carrying out safety early warning when the user number establishing communication connection with the color printing user number is a dangerous number.

8. The apparatus of claim 7, further comprising:

and the normal connection module is used for connecting according to a normal flow when the user number establishing communication connection with the color printing user number is a non-dangerous number.

9. A computing device, comprising: the system comprises a processor, a memory and a communication interface, wherein the processor, the memory and the communication interface are communicated with each other;

the memory is configured to store at least one executable instruction that causes the processor to perform the operations of the method of voice call security according to any one of claims 1-6.

10. A computer-readable storage medium having stored thereon at least one executable instruction for causing a processor to perform a method of voice call security according to any one of claims 1-6.

Technical Field

The embodiment of the invention relates to the technical field of communication, in particular to a method and a device for voice call security protection and computing equipment.

Background

With the development of communication technology, in order to better serve users and improve user experience, in the process of voice calling of users, a system automatically pushes color printing information preset by the users to a mobile phone of a calling party or a called party in an Unstructured Supplementary Service Data (USSD) or direct short message display mode, so that the users who push the color printing can see personalized mobile color printing display in the calling process, and the purposes of highlighting individuality, information transmission, mood sharing and the like are achieved.

At present, a color printing service platform provides a color printing information reminding function for a user, but a voice call is not influenced. Therefore, for the call of the dangerous user, if the user neglects the color printing information or the color printing information cannot be pushed to the user in time, the user still suffers from the security threat.

Disclosure of Invention

In view of the foregoing problems, embodiments of the present invention provide a method, an apparatus, and a computing device for voice call security protection, which can intercept calls of dangerous users to achieve the purpose of providing voice call security protection for users.

According to an aspect of an embodiment of the present invention, there is provided a method for securing a voice call, the method including:

acquiring a color printing user number, and triggering color printing service according to service order information of the color printing user number;

judging whether the user number establishing communication connection with the color printing user number is marked as a dangerous number or not;

and when the user number establishing communication connection with the color printing user number is a dangerous number, carrying out safety early warning.

In an optional manner, when the user number that establishes communication connection with the color-printed user number is a dangerous number, performing a security precaution, further includes: when the color printing user number is a calling party and the user number establishing communication connection with the color printing user number is a dangerous number, requesting to send safety reminding information to the color printing user number; sending a call interception check request to perform call interception check, and requesting to inquire and confirm whether the user number establishing communication connection with the color printing user number is a dangerous number; and when the user number establishing communication connection with the color printing user number is confirmed to be a dangerous number, sending a call interception request to carry out call interception.

In an optional manner, when the user number that establishes communication connection with the color-printed user number is a dangerous number, performing a security precaution, further includes: when the color printing user number is called and the user number establishing communication connection with the color printing user number is a dangerous number, requesting to inquire and confirm whether the color printing user number opens a blacklist or not; when the color printing user number opens a blacklist and the user number establishing communication connection with the color printing user number is in the blacklist, requesting to carry out call interception; and sending a blacklist interception notice to the user number establishing communication connection with the color printing user number.

In an optional manner, when the user number that establishes communication connection with the color-printed user number is a dangerous number, performing a security precaution, further includes: when the color printing user number is called and the user number establishing communication connection with the color printing user number is a dangerous user, requesting to inquire and confirm whether the color printing user number opens a white list or not; when the user number establishing communication connection with the color printing user number is in a white list of the color printing user number, allowing the color printing user number to be connected; and sending safety reminding information to the color printing user number.

In an optional manner, the method further comprises:

and when the user number establishing communication connection with the color printing user number is a non-dangerous number, continuing according to a normal flow.

In an optional manner, the method further comprises:

and setting a white list and/or a black list for the color printing user number.

According to another aspect of the embodiments of the present invention, there is provided an apparatus for securing a voice call, the apparatus including:

the service triggering module is used for acquiring a color printing user number and triggering color printing services according to service order information of the color printing user number; the inquiry module is used for judging whether the user number establishing communication connection with the color printing user number is marked as a dangerous number or not; and the safety protection module is used for carrying out safety early warning when the user number establishing communication connection with the color printing user number is a dangerous number.

In an optional manner, the apparatus further comprises:

and the normal connection module is used for connecting according to a normal flow when the user number establishing communication connection with the color printing user number is a non-dangerous number.

According to still another aspect of an embodiment of the present invention, there is provided a computing device including: a processor, a memory, and a communication interface, the processor, the memory, and the communication interface in communication with each other; the memory is configured to store at least one executable instruction that causes the processor to perform the operations of the method of voice call security as described above.

According to another aspect of the embodiments of the present invention, there is provided a computer-readable storage medium having at least one executable instruction stored therein, the executable instruction causing a processor to execute the method for securing a voice call as described above.

According to the embodiment of the invention, the color printing user number is acquired, the color printing service is triggered according to the service order information of the color printing user number, and when the user number establishing communication connection with the color printing user number is a dangerous number, safety early warning is carried out, so that the existing service can be realized, the safety early warning can be carried out on the dangerous user, and the purpose of providing voice call safety protection for the user is achieved.

The foregoing description is only an overview of the technical solutions of the embodiments of the present invention, and the embodiments of the present invention can be implemented according to the content of the description in order to make the technical means of the embodiments of the present invention more clearly understood, and the detailed description of the present invention is provided below in order to make the foregoing and other objects, features, and advantages of the embodiments of the present invention more clearly understandable.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a flow chart illustrating a method for securing a voice call according to an embodiment of the present invention;

FIG. 2 is a flow chart illustrating a voice call security process when a color printing user is a caller according to an embodiment of the present invention;

FIG. 3 is a flow chart illustrating a voice call security process when a color printing user is a called party according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a device for securing a voice call according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a computing device provided by an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

At present, a color printing service platform provides a color printing information reminding function for a user, but a voice call is not influenced. Therefore, for the call of the dangerous user, if the user neglects the color printing information or the color printing information cannot be pushed to the user in time, the user still suffers from the security threat.

Based on this, the embodiment of the present invention provides a method, an apparatus, and a computing device for voice call security protection, which can intercept calls of dangerous users, so as to provide voice call security protection for users.

Specifically, the embodiments of the present invention will be further explained below with reference to the drawings.

It should be understood that the following examples are provided by way of illustration and are not intended to limit the invention in any way to the particular embodiment disclosed.

The embodiment of the invention relates to the following main network units and functions in the specific implementation process:

(1) core network

In the embodiment of the present invention, the core network mainly implements Call Control and color printing information transfer for a calling/called user, completes color printing Service triggering in cooperation with a color printing Service platform, implements Call interception Control in cooperation with a security platform, and receives a short message or color printing information pushed by a USSD center to a color printing user.

(2) Color printing service platform

The color printing service platform is used for storing user color printing service ordering information and number information related to call interception, forms a safety protection network with the safety protection platform, completes color printing service triggering and color printing information pushing according to the core network service ordering information, and informs the safety protection system to complete call interception verification. Specifically, after the user opens the color printing service, a blacklist number and a white list number are set, and the color printing service platform synchronizes the user information and the set safety information such as the blacklist number and the white list number to the safety protection platform.

(3) Safety protection platform

The safety protection platform is used for storing number information related to user call interception, forms a safety protection network with the color printing service platform, receives a call interception check notification of the color printing service platform when the color printing service platform notifies the safety protection platform to carry out call interception, carries out call interception check according to synchronous safety information, and is matched with the core network to realize call interception control.

(4) Short message/USSD center

The short message/USSD center is used for storing and forwarding network elements of the color printing information, and pushing the color printing information by matching with the core network and the color printing service platform, wherein the short message mode is pushed through the short message center, and the USSD mode is pushed through the USSD center.

Fig. 1 is a flowchart illustrating a method for securing a voice call according to an embodiment of the present invention. The method is applied to a computing device. As shown in fig. 1, the method includes:

and step 110, acquiring a color printing user number, and triggering color printing service according to service order information of the color printing user number.

In the embodiment of the invention, the color printing user number is acquired, and the color printing service is triggered according to the service order information of the color printing user number. The color printing user number can be a calling party or a called party.

Specifically, referring to fig. 2, fig. 2 is a schematic diagram illustrating a process flow of voice call security protection when the color printing user is a caller according to an embodiment of the present invention. For example: when the number information of the color printing user A is a calling number, the core network 01 sends service triggering information to the color printing service platform 02 according to the service ordering information of the color printing user A; referring to fig. 3, fig. 3 is a schematic diagram illustrating a process flow of voice call security protection when a color printing user is a called party according to an embodiment of the present invention, for example: when the number information of the color printing user D or the color printing user E is called, the core network 01 sends service triggering information to the color printing service platform 02 according to the service subscription information of the color printing user D or the color printing user E.

And step 120, judging whether the user number establishing communication connection with the color printing user number is marked as a dangerous number.

Specifically, referring to fig. 2 and fig. 3, in the embodiment of the present invention, after the color printing service platform 02 receives the service trigger information, the color printing service platform 02 determines whether the user number establishing communication connection with the color printing user number is marked as a dangerous number. It can be understood that, when the color printing user number is a calling party, whether the user number establishing communication connection with the color printing user number is marked as a dangerous number or not is a called party; and when the color printing user number is a called party, whether the user number establishing communication connection with the color printing user number is marked as a dangerous number is the calling party. Taking a color printing user as an example, when the number information of the color printing user A is a calling party, judging whether a called party corresponding to the color printing user A is marked as a dangerous number or not; and when the number information of the color printing user D or the color printing user E is called, judging whether the corresponding calling party is marked as a dangerous number.

And step 130, when the user number establishing communication connection with the color printing user number is a dangerous number, carrying out safety early warning.

Specifically, in one embodiment, step S130 may include:

(1) when the color printing user number is a calling party and the user number establishing communication connection with the color printing user number is a dangerous number, requesting to send safety reminding information to the color printing user number;

(2) sending a call interception check request to perform call interception check, and requesting to inquire and confirm whether a user number establishing communication connection with the color printing user number is a dangerous number;

(3) and when the user number establishing communication connection with the color printing user number is confirmed to be a dangerous number, sending a call interception request to carry out call interception.

Specifically, referring to fig. 2, when the color printing user number (color printing user a in fig. 2) is a calling party and the user number establishing communication connection with the color printing user number is a dangerous user (dangerous user B in fig. 2), the color printing service platform 02 requests the core network 01 to send a safety reminding message to the color printing user a, where the safety reminding message may be: "friend remind: the number is suspected to be a dangerous phone, please carefully dial "; the color printing service platform 02 sends a call interception check request to the security protection platform 03 for call interception check, and requests to query and confirm whether a user number (a dangerous user B in fig. 2) establishing communication connection with the color printing user number is a dangerous number; when the user number (i.e., the dangerous user B in fig. 2) establishing communication connection with the color-printed user number is determined to be a dangerous number, the security platform 03 sends a call interception request to the core network 01 to intercept the call.

Specifically, in one embodiment, step S130 may include:

(1) when the color printing user number is called and the user number establishing communication connection with the color printing user number is a dangerous number, requesting to inquire and confirm whether the color printing user number opens a blacklist or not;

(2) when the color printing user number opens a blacklist and a user number establishing communication connection with the color printing user number is in the blacklist, requesting to carry out call interception;

(3) and sending a blacklist interception notice to the user number establishing communication connection with the color printing user number.

Referring to fig. 3, when the color printing user number (color printing user D in fig. 3) is a called user and a user number (dangerous user C in fig. 3) establishing communication connection with the color printing user number is a dangerous number, the color printing service platform 02 requests the security protection platform 03 to query and confirm whether the color printing user number opens a blacklist; when the color printing user number opens a blacklist and a user number (a color printing user D in fig. 3) establishing communication connection with the color printing user number is in the blacklist, the security protection platform 03 requests the core network 01 to perform call interception; and sends a blacklist interception notification to the dangerous user C.

Specifically, in one embodiment, step S130 may include:

(1) when the color printing user number is called and the user number establishing communication connection with the color printing user number is a dangerous user, requesting to inquire and confirm whether the color printing user number opens a white list or not;

(2) when the user number establishing communication connection with the color printing user number is in a white list of the color printing user number, allowing the color printing user number to be connected;

(3) and sending safety reminding information to the color printing user number.

When the color printing user number (color printing user E in fig. 3) is called and the user number (dangerous user C in fig. 3) establishing communication connection with the color printing user number is a dangerous number, when the user number (dangerous user C in fig. 3) establishing communication connection with the color printing user number is a white list of the color printing user number (color printing user E in fig. 3), the security platform 03 notifies the core network 01 that the color printing user number is allowed to be connected, the security platform 03 then notifies the white list to the color printing service platform 02, and the color printing service platform 02 sends security reminding information to the color printing user number (color printing user E in fig. 3) through the core network 01, where the security reminding information may be: "friend remind: the number is suspected to be a dangerous phone and please answer cautiously ".

In one embodiment, the manner of sending the safety reminding information may be as follows: and inquiring HSS in a core network through the color printing service platform, when a color printing user is positioned in a 2G/3G network, preferably selecting a USSD mode to send safety reminding information, and when the color printing user is positioned in a VOLTE network, selecting a direct short message display mode to send the safety reminding information.

In one embodiment, the method further comprises step 140: and when the user number establishing communication connection with the color printing user number is a non-dangerous number, continuing according to a normal flow.

Specifically, when the color printing user number is a calling number and the user number establishing communication connection with the color printing user number is a non-dangerous number, the color printing service platform does not issue safety reminding information, and the safety protection platform informs the core network to continue according to a normal flow. And when the color printing user number is called and the user number establishing communication connection with the color printing user number is a non-dangerous number, the color printing service platform does not send safety reminding information, and the safety protection platform does not carry out call interception and continues according to a normal flow.

In one embodiment, the method further comprises the steps of: and setting a white list and/or a black list for the color printing user number.

Specifically, in this embodiment, after the multimedia message service is opened by the user and called a color printing user, a white list and/or a black list are set for the color printing user, and the color printing service platform synchronizes the number information of the user and the set white list and/or black list to the security protection platform. And when the color printing service platform informs the safety protection platform to carry out call interception, the safety protection platform carries out call interception verification according to the synchronous white list and/or black list.

In the embodiment, the color printing service is triggered according to the service order information of the color printing user number, and when the user number establishing communication connection with the color printing user number is a dangerous number, safety early warning is performed, so that not only can the existing service be realized, but also the dangerous user can be intercepted by calling, and the purpose of providing voice calling safety protection for the user is achieved.

Fig. 4 is a schematic structural diagram of an apparatus for securing a voice call according to an embodiment of the present invention. As shown in fig. 4, the apparatus 200 includes: a service triggering module 210, a query module 220, and a security guard module 230.

The service triggering module 210 is configured to obtain a color printing user number, and trigger a color printing service according to service subscription information of the color printing user number; the query module 220 is configured to determine whether a user number establishing communication connection with the color printing user number is marked as a dangerous number; the safety protection module 230 is configured to perform safety warning when the user number that establishes communication connection with the color printing user number is a dangerous number.

In an optional manner, the safety protection module 230 is specifically configured to: when the user number that with color printing user number establishes communication connection is the danger number, carry out safety precaution, further include: when the color printing user number is a calling party and the user number establishing communication connection with the color printing user number is a dangerous number, requesting to send safety reminding information to the color printing user number; sending a call interception check request to perform call interception check, and requesting to inquire and confirm whether the user number establishing communication connection with the color printing user number is a dangerous number; and when the user number establishing communication connection with the color printing user number is confirmed to be a dangerous number, sending a call interception request to carry out call interception.

In an optional manner, the safety protection module 230 is specifically configured to: when the user number that with color printing user number establishes communication connection is the danger number, carry out safety precaution, further include: when the color printing user number is called and the user number establishing communication connection with the color printing user number is a dangerous number, requesting to inquire and confirm whether the color printing user number opens a blacklist or not; when the color printing user number opens a blacklist and the user number establishing communication connection with the color printing user number is in the blacklist, requesting to carry out call interception; and sending a blacklist interception notice to the user number establishing communication connection with the color printing user number.

In an optional manner, the safety protection module 230 is specifically configured to: when the user number that with color printing user number establishes communication connection is the danger number, carry out safety precaution, further include: when the color printing user number is called and the user number establishing communication connection with the color printing user number is a dangerous user, requesting to inquire and confirm whether the color printing user number opens a white list or not; when the user number establishing communication connection with the color printing user number is in a white list of the color printing user number, allowing the color printing user number to be connected; and sending safety reminding information to the color printing user number.

In an optional manner, the apparatus 200 further comprises: module 240 is connected normally. The normal connection module 240 is configured to perform connection according to a normal procedure when the user number that establishes communication connection with the color printing user number is a non-dangerous number.

It should be noted that the apparatus for securing a voice call provided in the embodiments of the present invention is an apparatus capable of performing the method for securing a voice call, and all embodiments of the method for securing a voice call are applicable to the apparatus and can achieve the same or similar beneficial effects.

According to the embodiment of the invention, the color printing user number is acquired, the color printing service is triggered according to the service order information of the color printing user number, and when the user number establishing communication connection with the color printing user number is a dangerous number, safety early warning is carried out, so that the existing service can be realized, and the safety early warning can be carried out on the dangerous user to achieve the purpose of providing voice call safety protection for the user.

An embodiment of the present invention provides a computer-readable storage medium, where at least one executable instruction is stored in the storage medium, and the executable instruction causes a processor to execute the method for securing a voice call in any of the above method embodiments.

According to the embodiment of the invention, the color printing user number is acquired, the color printing service is triggered according to the service order information of the color printing user number, and when the user number establishing communication connection with the color printing user number is a dangerous number, safety early warning is carried out, so that the existing service can be realized, the safety early warning can be carried out on the dangerous user, and the purpose of providing voice call safety protection for the user is achieved.

Embodiments of the present invention provide a computer program product comprising a computer program stored on a computer storage medium, the computer program comprising program instructions that, when executed by a computer, cause the computer to perform a method for voice call security in any of the above method embodiments.

According to the embodiment of the invention, the color printing user number is acquired, the color printing service is triggered according to the service order information of the color printing user number, and when the user number establishing communication connection with the color printing user number is a dangerous number, safety early warning is carried out, so that the existing service can be realized, the safety early warning can be carried out on the dangerous user, and the purpose of providing voice call safety protection for the user is achieved.

Fig. 5 is a schematic structural diagram of a computing device according to an embodiment of the present invention, and the specific embodiment of the present invention does not limit the specific implementation of the computing device.

As shown in fig. 5, the computing device may include: a processor (processor)302, a communication Interface 304, a memory 306, and a communication bus 308.

Wherein: the processor 302, communication interface 304, and memory 306 communicate with each other via a communication bus 308. A communication interface 304 for communicating with network elements of other devices, such as clients or other servers. The processor 302 is configured to execute the program 310, and may specifically execute the method for securing a voice call in any of the above-described method embodiments.

In particular, program 310 may include program code comprising computer operating instructions.

The processor 302 may be a central processing unit CPU, or an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits configured to implement an embodiment of the present invention. The computing device includes one or more processors, which may be the same type of processor, such as one or more CPUs; or may be different types of processors such as one or more CPUs and one or more ASICs.

And a memory 306 for storing a program 310. Memory 306 may comprise high-speed RAM memory and may also include non-volatile memory (non-volatile memory), such as at least one disk memory.

The embodiment of the invention triggers the color printing service according to the service ordering information of the color printing user number by acquiring the color printing user number, and sends the safety reminding information to the color printing user number and carries out call interception when the other party number corresponding to the color printing user number is a dangerous user, thereby not only realizing the existing service, but also carrying out call interception on the dangerous user and achieving the purpose of providing voice call safety protection for the user.

The algorithms or displays presented herein are not inherently related to any particular computer, virtual system, or other apparatus. Various general purpose systems may also be used with the teachings herein. The required structure for constructing such a system will be apparent from the description above. In addition, embodiments of the present invention are not directed to any particular programming language. It is appreciated that a variety of programming languages may be used to implement the teachings of the present invention as described herein, and any descriptions of specific languages are provided above to disclose the best mode of the invention.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the embodiments of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the invention and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.

Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.

Furthermore, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.

It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names. The steps in the above embodiments should not be construed as limiting the order of execution unless specified otherwise.