CN105873029B - A kind of conversation monitoring method and device - Google Patents
A kind of conversation monitoring method and device Download PDFInfo
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- CN105873029B CN105873029B CN201510030484.9A CN201510030484A CN105873029B CN 105873029 B CN105873029 B CN 105873029B CN 201510030484 A CN201510030484 A CN 201510030484A CN 105873029 B CN105873029 B CN 105873029B
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Abstract
The present invention relates to field of communication technology more particularly to a kind of conversation monitoring method and devices, cause snoop results to malfunction according to the processing mode processing encryption voice content to non-encrypted voice content due to LIC in the prior art to solve the problem of.A kind of conversation monitoring method provided in an embodiment of the present invention includes: that calling terminal sets up voice channel between called terminal；The calling terminal is after the completion of the voice channel is established, when needing to carry out speech scrambling between the called terminal, double frequency multitone DTMF message is sent to the called terminal by network side equipment, the DTMF message is used to indicate to be conversed using speech scrambling mode, so that legal monitor centers LIC is decrypted the dialog context of the calling terminal of subsequent monitoring after the DTMF message for receiving network side equipment forwarding.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of conversation monitoring method and devices.
Background technique
In existing 3rd generation mobile communication technology (3generation, 3G) monitoring technique standard, the industry of practicable monitoring
Business includes voice service, short message service, videophone, facsimile service, circuit type data service, supplementary service and positioning service
Deng.Wherein, legal monitor centers (Lawful Interception Center, LIC) are the monitoring being arranged in security department
Equipment is responsible for completing the management to controlled object in traffic network, collects the event of the controlled object of monitored reported by network elements
And Content of Communication, and the information being collected into is handled.LIC can pass through X interface and home location register (Home
Location Register, HLR), Mobile Switching Center Server (Mobile Switching Center-Server, MSC
Server)/VLR Visitor Location Register (Visitor Location Register, VLR), Gateway Mobile Switching Center server
(Gateway Mobile Switching Center-Server, GMSC Server), Media Gateway (Media Gateway,
MGW), mobile switching centre (Mobile Switching Center, MSC)/VLR Visitor Location Register (Visitor
Location Register, VLR) and Gateway Mobile Switching Center (Gateway Mobile Switching Center,
GMSC) it is connected, the voice service of controlled object is monitored in realization.
The connection relationship of LIC and above-mentioned voice related network elements are as shown in Figure 1.In figure, X1 interface is the signaling of policing interface (lawful interception interface)
Interface is realized and is operated to setting, cancellation and inquiry of controlled object etc.；X2 interface is the life event for reporting controlled object
With the business interface of alarm information；X3 interface is for reporting the business of the Content of Communication of controlled object (such as call voice) to connect
Mouthful.Wherein, MSC/VLR, GMSC and MGW support the voice content reporting functions of X3 interface.Since network element is not responsible in monitoring
Appearance is decrypted, and only intactly exports voice content from X3 interface, therefore, leads to when controlled object carries out non-encrypted voice
When letter, MSC/VLR and MGW report non-encrypted voice content to LIC by X3 interface；When controlled object carries out enciphoring voice telecommunication
When, MSC/VLR and MGW report encryption voice content to LIC by X3 interface.
Although LIC can monitor the voice content of controlled object, but if 3G network supports encryption voice service,
LIC will be will affect to the monitor function of voice.According to existing listening mode, after LIC collects voice content from X3 interface, all
It is handled as non-encrypted voice content (i.e. in plain text), if the voice content actually monitored is encryption voice, will be led
Cause snoop results error.
Summary of the invention
The embodiment of the present invention provides a kind of conversation monitoring method and device, to solve in the prior art due to LIC according to
The problem of is encrypted by voice content, snoop results is caused to malfunction for the processing mode processing of non-encrypted voice content.
A kind of conversation monitoring method provided in an embodiment of the present invention includes:
Calling terminal sets up the voice channel between called terminal；
The calling terminal is encrypted after the completion of the voice channel is established when between needs and the called terminal
When call, double frequency multitone DTMF message is sent to the called terminal by network side equipment；
Wherein, the DTMF message is used to indicate is conversed using speech scrambling mode, so that legal monitor centers LIC
After the DTMF message for receiving network side equipment forwarding, the dialog context of the calling terminal of subsequent monitoring is decrypted
Processing.
Optionally, the dtmf code value in the DTMF message is pre-arranged code value.
Optionally, the calling terminal is after the completion of the voice channel is established, described in the transmission of Xiang Suoshu called terminal
Before DTMF message, further includes:
The calling terminal locks calling terminal keyboard interface after determining that called terminal unlatching voice is answered.
Optionally, after the calling terminal transmission DTMF message, further includes:
Key agreement is carried out between the calling terminal and the called terminal, and after the key agreement is completed, to caller
Terminal keyboard interface is unlocked.
Another embodiment of the present invention provides a kind of conversation monitoring method, comprising:
Network side equipment receives the double frequency multitone DTMF message that calling terminal is sent to called terminal；The DTMF message is used
It is conversed in instruction using speech scrambling mode；
The DTMF message is sent to called terminal by the network side equipment, to indicate that called terminal and the caller are whole
Speech scrambling is carried out between end, and
The DTMF message is sent to legal monitor centers LIC, to indicate that the LIC is whole to the caller of subsequent monitoring
Dialog context between end and the called terminal is decrypted.
Another embodiment of the present invention provides a kind of conversation monitoring method, comprising:
Legal monitor centers LIC receives the double frequency multitone DTMF message from calling terminal of network side equipment forwarding；
The LIC is being based on the DTMF message, determines that the calling terminal needs to be encrypted between called terminal
After voice communication, the dialog context between the calling terminal and called terminal of subsequent monitoring is decrypted.
Optionally, before the DTMF message from calling terminal of the LIC reception network side equipment forwarding, further includes:
If the LIC receives the dialog context between the calling terminal and called terminal, which is made
It is handled for non-encrypted voice content.
Optionally, the LIC determines that the calling terminal needs to carry out encryption voice communication between called terminal, wraps
It includes:
The LIC is determining that the dtmf code value in the DTMF message is the corresponding pre-arranged code value of speech scrambling mode
Afterwards, determine that the calling terminal needs to carry out speech scrambling between called terminal.
A kind of conversation monitoring device provided in an embodiment of the present invention, comprising:
Module is established, for setting up the voice channel between calling terminal and called terminal；
After the completion of the voice channel is established, when needing to carry out speech scrambling between the called terminal, pass through
Network side equipment sends double frequency multitone DTMF message to the called terminal；
Wherein, the DTMF message is used to indicate is conversed using speech scrambling mode, so that legal monitor centers LIC
After the DTMF message for receiving network side equipment forwarding, the dialog context of the calling terminal of subsequent monitoring is decrypted
Processing.
Another embodiment of the present invention provides a kind of conversation monitoring device, comprising:
Receiving module, the double frequency multitone DTMF message for being sent to called terminal for receiving calling terminal, the DTMF message
It is used to indicate and is conversed using speech scrambling mode；
Sending module, for the DTMF message to be sent to called terminal, to indicate that called terminal and the caller are whole
Speech scrambling is carried out between end, and the DTMF message is sent to legal monitor centers LIC, to indicate the LIC to subsequent
The dialog context between the calling terminal and the called terminal monitored is decrypted.
Another embodiment of the present invention provides a kind of conversation monitoring device, comprising:
Receiving module, for receiving the double frequency multitone DTMF message from calling terminal of network side equipment forwarding；
Processing module, for being based on the DTMF message, determine the calling terminal need between called terminal into
After row encryption voice communication, the dialog context between the calling terminal and called terminal of subsequent monitoring is decrypted.
In the embodiment of the present invention, after calling terminal establishes voice channel between called terminal, when needs and it is called
When carrying out speech scrambling between terminal, DTMF message is sent to called terminal by network side equipment, is used to indicate using encryption
Talking mode is conversed；The DTMF message is sent to the LIC for monitoring call by network side equipment, and LIC parses the DTMF message,
It determines between calling terminal and called terminal using speech scrambling, then the voice content of monitoring is decrypted.As it can be seen that adopting
With the embodiment of the present invention, LIC can recognize that the voice content listened to is encryption or non-encrypted, if encryption voice
Content is then decrypted, and otherwise presses non-encrypted speech processes, thereby may be ensured that the accuracy of snoop results.
Detailed description of the invention
Fig. 1 is the connection relationship diagram of LIC and above-mentioned voice related network elements；
Fig. 2 is the conversation monitoring method flow diagram that the embodiment of the present invention one provides；
Fig. 3 is conversation monitoring method flow diagram provided by Embodiment 2 of the present invention；
Fig. 4 is Message Processing schematic diagram in LIC；
Fig. 5 is the conversation monitoring apparatus structure schematic diagram that the embodiment of the present invention one provides；
Fig. 6 is conversation monitoring apparatus structure schematic diagram provided by Embodiment 2 of the present invention；
Fig. 7 is the conversation monitoring apparatus structure schematic diagram that the embodiment of the present invention three provides；
Fig. 8 is conversation monitoring system structure diagram provided in an embodiment of the present invention；
Fig. 9 is user equipment, network side equipment and LIC deployment signal in the conversation monitoring system in the embodiment of the present invention
Figure.
Specific embodiment
The basic thought of the embodiment of the present invention is: after calling terminal establishes voice channel between called terminal, when
When needing to carry out speech scrambling between called terminal, DTMF message is sent to called terminal by network side equipment, for referring to
Show and is conversed using speech scrambling mode；The DTMF message is sent to the LIC for monitoring call, LIC parsing by network side equipment
The DTMF message is determined between calling terminal and called terminal using speech scrambling, then the voice content of monitoring is decrypted
Processing.As it can be seen that using the embodiment of the present invention, LIC can recognize that the voice content listened to is encryption or non-encrypted,
If encrypting voice content, then it is decrypted, otherwise presses non-encrypted speech processes, thereby may be ensured that the standard of snoop results
True property.
The embodiment of the present invention is described in further detail with reference to the accompanying drawings of the specification.
As shown in Fig. 2, the conversation monitoring method flow diagram provided for the embodiment of the present invention one, comprising the following steps:
S201: calling terminal sets up the voice channel between called terminal.
In the step, calling terminal initiates audio call to called terminal, and network side is that calling terminal and called terminal are pre-
Stay the communication resource, it is established that the voice channel between calling terminal and called terminal.
As shown in Fig. 2, for using the MSC Server/MGW of network side as the network element for participating in audio monitoring: network side
The ring-back tone that called terminal is sent to calling terminal is reported to LIC by X3 mouthfuls after the completion of voice channel is established by MGW；Quilt
When being terminal user's off-hook, the response message of called terminal is reported to LIC by X2 mouthfuls by MSC Server.
S202: calling terminal is added after the completion of the voice channel is established when between needs and the called terminal
When close call, double frequency multitone DTMF message is sent to the called terminal by network side equipment, which is used to indicate
It is conversed using speech scrambling mode.
S203: after network side equipment receives the DTMF message that calling terminal is sent, the DTMF message is sent to called
Terminal, to indicate to carry out speech scrambling between called terminal and the calling terminal, and the DTMF message is sent to it is legal
Listening center LIC.
As shown in Fig. 2, enciphoring voice telecommunication is if desired carried out between called terminal after the completion of voice channel is established,
DTMF message is then sent to called terminal, the dtmf code value in the DTMF message is pre-arranged code value, is used to indicate encryption language
Sound communication mode.It is called the DTMF message to be transmitted to after MSC Server detects the DTMF message that calling terminal is sent
While terminal, which is reported to LIC by X2 mouthfuls.
S204:LIC is disappeared after receiving the DTMF message of calling terminal of network side equipment transmission based on the DTMF
Breath, it is whole to the caller of subsequent monitoring after determining that the calling terminal needs to carry out encryption voice communication between called terminal
Dialog context between end and called terminal is decrypted.
Called terminal carries out close after the DTMF message for receiving calling terminal transmission between calling terminal and called terminal
Key negotiates process；By close point of message in key agreement process between calling terminal and called terminal, (arranging key disappears MGW
Cease) LIC is reported to by X3 mouthfuls.LIC parses key therein, the encryption language monitored using the key pair subsequently through X3 mouthfuls
Sound content is decrypted.
In above-mentioned process, close distribution is raw after call setup (after the completion of voice channel is established), and close point of mode is key
Negotiate, talking mode is close directly to enter.In specific implementation, (voice channel foundation can also occur in calling procedure for close point
In the process), close point of mode can also can also be used first bright rear close using the distribution of center key, talking mode, i.e., first using non-
The mode of encryption is conversed, then is conversed by the way of encryption, and the condition for triggering speech scrambling can be calling terminal or called whole
End passes through close by keying in.
In actual implementation, since the information of user key-press can also be sent as DTMF message, in order to avoid user is not small
Heart key causes to indicate that the DTMF message of speech scrambling mode is confused, and LIC can not be accurately identified, and the embodiment of the present invention two mentions
It has supplied after called terminal user's off-hook, in the embodiment of calling terminal locking keyboard.
As shown in figure 3, being conversation monitoring method flow diagram provided by Embodiment 2 of the present invention, comprising the following steps:
S301: calling terminal sets up the voice channel between called terminal.
S302: calling terminal is added between needs and called terminal after determining that called terminal unlatching voice is answered
When close voice communication, calling terminal keyboard interface is locked, to avoid user's operation keyboard, and sends DTMF to the called terminal
Message, which is used to indicate is conversed using speech scrambling mode.
In the specific implementation process, called terminal user open voice answer namely user's off-hook after, to calling terminal
Send off hook tone.Calling terminal executes locking keyboard operation after receiving the off hook tone, and can be referred to display reminding interface
Show that keyboard locks user at this time, key is invalid, and sends DTMF message, and instruction called terminal enters speech scrambling.
S303: after network side equipment receives the DTMF message that calling terminal is sent, the DTMF message is sent to called
Terminal, to indicate to carry out speech scrambling between called terminal and the calling terminal, and the DTMF message is sent to it is legal
Listening center LIC.
S304: key agreement is carried out between calling terminal and called terminal, and after the key agreement is completed, to calling terminal
Keyboard interface is unlocked.
In the specific implementation process, called terminal receive calling terminal transmission DTMF message after, with calling terminal it
Between carry out cipher key agreement process, after the key agreement is completed, calling terminal is unlocked keyboard interface, and cancels prompting interface
Or instruction user unlocks to keyboard.Hereafter, calling terminal and called terminal enter speech scrambling state.
S305:LIC judges in the DTMF message after receiving the DTMF message of calling terminal of network side equipment transmission
Dtmf code value whether be the corresponding pre-arranged code value of speech scrambling mode；If so, determine the calling terminal need with
Speech scrambling is carried out between called terminal, then the dialog context between the calling terminal and called terminal of subsequent monitoring is carried out
Decryption processing.
In the specific implementation process, LIC is before receiving DTMF message, if receiving network side equipment by X3 mouthfuls
The voice content of transmission is then handled it according to non-encrypted voice content, is sent out receiving network side equipment by X2 mouthfuls
After the DTMF message for the instruction coded communication mode sent, if receiving the Content of Communication that network side equipment is sent by X3 mouthfuls,
First determine whether that the Content of Communication is close point of message or encryption voice content, if close point of message, then parse key therein,
If encrypting voice content, then it is decrypted.
As shown in figure 4, for Message Processing schematic diagram in LIC.Three functional units can be set in LIC, be report respectively
Processing unit 41, data processing unit 42 and Database Unit 43；Wherein, report processing unit 41 is responsible for disappearing to received DTMF
Breath is handled, and after determining that the dtmf code value in DTMF message is the corresponding pre-arranged code value of coded communication mode, will be added
Database Unit 43 is written in close communications status, and the close state table in the channel X3 can be set in Database Unit 43, wherein X3 mouthfuls of record
The corresponding encrypted word state of received voice content；Data processing unit 42 inquires X3 mouthfuls of received voices from Database Unit 43
The corresponding encrypted word state of content is then handled as non-encrypted voice content if non-encrypted state, if encryption shape
State then calls cryptographic processing unit 421 to be decrypted.
Based on the same inventive concept, a kind of call prison corresponding with conversation monitoring method is additionally provided in the embodiment of the present invention
Device for tone frequencies, since the principle that the device solves the problems, such as is similar to the conversation monitoring method of the embodiment of the present invention, the device
Implementation may refer to the implementation of method, and overlaps will not be repeated.
As shown in figure 5, the conversation monitoring apparatus structure schematic diagram provided for the embodiment of the present invention one, comprising:
Module 51 is established, for setting up the voice channel between calling terminal and called terminal；
Sending module 52, for being carried out when between needs and the called terminal after the completion of voice channel is established
When speech scrambling, double frequency multitone DTMF message is sent to the called terminal by network side equipment；Wherein, the DTMF message
It is used to indicate and is conversed using speech scrambling mode, and receiving network side equipment forwarding for legal monitor centers LIC
The DTMF message after, the dialog context of the calling terminal of subsequent monitoring is decrypted.
Optionally, described to indicate to use the dtmf code value in the DTMF message of speech scrambling mode for pre-arranged code value.
Optionally, described device further include:
Locking module 53, for after the completion of the voice channel is established, the sending module to be sent out to the called terminal
Before sending the DTMF message, determining that called terminal opens after voice answers, locking calling terminal keyboard interface, to avoid with
Family operates keyboard.
Optionally, the locking module 53 is also used to:
After the sending module 52 sends the DTMF message, key agreement is carried out between the called terminal,
And after the key agreement is completed, calling terminal keyboard interface is unlocked.
As shown in fig. 6, being conversation monitoring apparatus structure schematic diagram provided by Embodiment 2 of the present invention, comprising:
Receiving module 61, the double frequency multitone DTMF message for being sent to called terminal for receiving calling terminal, the DTMF disappear
Breath is used to indicate to be conversed using speech scrambling mode；
Sending module 62, for the DTMF message to be sent to called terminal, to indicate called terminal and the caller
Speech scrambling is carried out between terminal, and the DTMF message is sent to legal monitor centers LIC, to indicate the LIC to rear
Dialog context between continuous calling terminal and the called terminal monitored is decrypted.
As shown in fig. 7, the conversation monitoring apparatus structure schematic diagram provided for the embodiment of the present invention three, comprising:
Receiving module 71, for receiving the double frequency multitone DTMF message from calling terminal of network side equipment forwarding；
Processing module 72 determines that the calling terminal needs between called terminal for being based on the DTMF message
After carrying out encryption voice communication, place is decrypted to the dialog context between the calling terminal and called terminal of subsequent monitoring
Reason.
Optionally, the processing module 72 is also used to, and receives coming from for network side equipment forwarding in the receiving module 71
Before the DTMF message of calling terminal, if receiving the dialog context between the calling terminal and called terminal, this is led to
Words content is handled as non-encrypted voice content.
Optionally, the processing module 72 is specifically used for determining that the calling terminal is needed and is called eventually according to following steps
Encryption voice communication is carried out between end:
After determining that the dtmf code value in the DTMF message is the corresponding pre-arranged code value of speech scrambling mode, determine
The calling terminal needs to carry out speech scrambling between called terminal.
As shown in figure 8, being conversation monitoring system structure diagram provided in an embodiment of the present invention, comprising:
Calling terminal 81, for being carried out when between needs and the called terminal after the completion of voice channel is established
When speech scrambling, double frequency multitone DTMF message is sent to the called terminal by network side equipment, the DTMF message is for referring to
Show and is conversed using speech scrambling mode；
The DTMF message is sent to by network side equipment 82 after receiving the DTMF message that calling terminal 81 is sent
Called terminal to indicate to carry out speech scrambling between the called terminal and the calling terminal, and the DTMF message is sent out
Give legal monitor centers LIC.
Legal monitor centers LIC83, for the DTMF message in the calling terminal 81 for receiving the transmission of network side equipment 82
Afterwards, determining that the DTMF message indicates that the calling terminal 81 carries out voice using between speech scrambling mode and called terminal
After call, the dialog context between the calling terminal 81 and called terminal of subsequent monitoring is decrypted.
As shown in figure 9, for user equipment, network side equipment and the portion LIC in the conversation monitoring system in the embodiment of the present invention
Affix one's name to schematic diagram.Wherein, pass through Uu port communications, NodeB and wireless controller (Radio between terminal and base station (NodeB)
Network Controller, RNC) between by lub port communications, led between RNC and MSC Server/VLR by lu-cs mouthfuls
Believe, passes through Mc port communications between MGW and MSC Server/VLR, pass through Nb port communications between MGW, pass through X3 between MGW and LIC
Port communications pass through C port communications, GMSC by Mc port communications between MGW and GMSC Server between GMSC Server and HLR
By X1/X2/X3 port communications between Server and LIC, pass through X1/X2 port communications between HLR and LIC.UE passes through each in figure
Voice communication is carried out between network side equipment and other UE, LIC detects the voice communication of UE by each network side equipment in figure
Content.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of device (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (16)
1. a kind of conversation monitoring method, which is characterized in that this method comprises:
Calling terminal sets up the voice channel between called terminal；
The calling terminal after the completion of voice channel is established, when need and the called terminal between carry out speech scrambling
When, double frequency multitone DTMF message is sent to the called terminal by network side equipment；
Wherein, the DTMF message is used to indicate is conversed using speech scrambling mode, and is existed for legal monitor centers LIC
After the DTMF message for receiving network side equipment forwarding, place is decrypted to the dialog context of the calling terminal of subsequent monitoring
Reason.
2. the method as described in claim 1, which is characterized in that the dtmf code value in the DTMF message is pre-arranged code
Value.
3. the method as described in claim 1, which is characterized in that the calling terminal after the completion of voice channel is established,
Before sending the DTMF message to the called terminal, further includes:
The calling terminal locks calling terminal keyboard interface after determining that called terminal unlatching voice is answered.
4. method as claimed in claim 3, which is characterized in that after the calling terminal sends the DTMF message, also wrap
It includes:
Key agreement is carried out between the calling terminal and the called terminal, and after the key agreement is completed, to calling terminal
Keyboard interface is unlocked.
5. a kind of conversation monitoring method, which is characterized in that this method comprises:
Network side equipment receives the double frequency multitone DTMF message that calling terminal is sent to called terminal；The DTMF message is for referring to
Show and is conversed using speech scrambling mode；
The DTMF message is sent to called terminal by the network side equipment, with indicate called terminal and the calling terminal it
Between carry out speech scrambling, and
The DTMF message is sent to legal monitor centers LIC, with indicate the LIC to the calling terminal of subsequent monitoring with
Dialog context between the called terminal is decrypted.
6. a kind of conversation monitoring method, which is characterized in that this method comprises:
Legal monitor centers LIC receives the double frequency multitone DTMF message from calling terminal of network side equipment forwarding；
The LIC is being based on the DTMF message, determines that the calling terminal needs to carry out encryption voice between called terminal
After call, the dialog context between the calling terminal and called terminal of subsequent monitoring is decrypted.
7. method as claimed in claim 6, which is characterized in that the LIC receives the whole from caller of network side equipment forwarding
Before the DTMF message at end, further includes:
If the LIC receives the dialog context between the calling terminal and called terminal, using the dialog context as non-
Encryption voice content is handled.
8. method as claimed in claim 6, which is characterized in that the LIC determines the calling terminal needs and called terminal
Between carry out encryption voice communication, comprising:
The LIC determine the dtmf code value in the DTMF message be the corresponding pre-arranged code value of speech scrambling mode after,
Determine that the calling terminal needs to carry out speech scrambling between called terminal.
9. a kind of conversation monitoring device, which is characterized in that the device includes:
Module is established, for setting up the voice channel between calling terminal and called terminal；
Sending module, for leading to after the completion of the voice channel is established when carrying out encryption between needs and the called terminal
When words, double frequency multitone DTMF message is sent to the called terminal by network side equipment；Wherein, the DTMF message is for referring to
Show and conversed using speech scrambling mode, and is receiving being somebody's turn to do for network side equipment forwarding for legal monitor centers LIC
After DTMF message, the dialog context of the calling terminal of subsequent monitoring is decrypted.
10. device as claimed in claim 9, which is characterized in that the dtmf code value in the DTMF message is pre-arranged code
Value.
11. device as claimed in claim 9, which is characterized in that described device further include:
Locking module, for after the completion of the voice channel is established, the sending module to be to described in called terminal transmission
Before DTMF message, after determining that called terminal unlatching voice is answered, calling terminal keyboard interface is locked, to avoid user's operation
Keyboard.
12. device as claimed in claim 11, which is characterized in that the locking module is also used to:
After the sending module sends the DTMF message, key agreement is carried out between the called terminal, and close
After the completion of key is negotiated, calling terminal keyboard interface is unlocked.
13. a kind of conversation monitoring device, which is characterized in that the device includes:
Receiving module, the double frequency multitone DTMF message for being sent to called terminal for receiving calling terminal；The DTMF message is used
It is conversed in instruction using speech scrambling mode；
Sending module, for the DTMF message to be sent to called terminal, with indicate called terminal and the calling terminal it
Between carry out speech scrambling, and the DTMF message is sent to legal monitor centers LIC, to indicate the LIC to subsequent monitoring
The calling terminal and the called terminal between dialog context be decrypted.
14. a kind of conversation monitoring device, which is characterized in that the device includes:
Receiving module, for receiving the double frequency multitone DTMF message from calling terminal of network side equipment forwarding；
Processing module determines that the calling terminal needs to be added between called terminal for being based on the DTMF message
After close voice communication, the dialog context between the calling terminal and called terminal of subsequent monitoring is decrypted.
15. device as claimed in claim 14, which is characterized in that the processing module is also used to, and is connect in the receiving module
Before the DTMF message from calling terminal for receiving network side equipment forwarding, if receive the calling terminal and called terminal it
Between dialog context, then handled the dialog context as non-encrypted voice content.
16. device as claimed in claim 14, which is characterized in that the processing module is specifically used for being determined according to following steps
Determine that the calling terminal needs to carry out encryption voice communication between called terminal:
After determining that the dtmf code value in the DTMF message is the corresponding pre-arranged code value of speech scrambling mode, described in determination
Calling terminal needs to carry out speech scrambling between called terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030484.9A CN105873029B (en) | 2015-01-21 | 2015-01-21 | A kind of conversation monitoring method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510030484.9A CN105873029B (en) | 2015-01-21 | 2015-01-21 | A kind of conversation monitoring method and device |
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| CN113066259A (en) * | 2021-03-16 | 2021-07-02 | 深圳市沃特沃德信息有限公司 | Remote unidirectional monitoring method and device and computer equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1719789A (en) * | 2004-07-08 | 2006-01-11 | 中兴通讯股份有限公司 | Soft exchange monitoring system |
| US7010110B2 (en) * | 1999-03-31 | 2006-03-07 | Walker Digital, Llc | Method and apparatus for monitoring telephone status |
| CN1983921A (en) * | 2005-12-16 | 2007-06-20 | 华为技术有限公司 | Method and system for realizing end to end media fluid safety |
| CN101227339A (en) * | 2007-01-19 | 2008-07-23 | 中兴通讯股份有限公司 | Method for monitoring data traffic based on contents and/or IP address |
| CN101330537A (en) * | 2008-07-30 | 2008-12-24 | 中国电信股份有限公司 | Method and device for end-to-end ciphering voice |
| CN101345965A (en) * | 2008-08-29 | 2009-01-14 | 中国电信股份有限公司 | Encryption call method based on speech code stream and mobile terminal |
| CN101488954A (en) * | 2009-01-09 | 2009-07-22 | 中兴通讯股份有限公司 | Speech monitoring method and access gateway |
-
2015
- 2015-01-21 CN CN201510030484.9A patent/CN105873029B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7010110B2 (en) * | 1999-03-31 | 2006-03-07 | Walker Digital, Llc | Method and apparatus for monitoring telephone status |
| CN1719789A (en) * | 2004-07-08 | 2006-01-11 | 中兴通讯股份有限公司 | Soft exchange monitoring system |
| CN1983921A (en) * | 2005-12-16 | 2007-06-20 | 华为技术有限公司 | Method and system for realizing end to end media fluid safety |
| CN101227339A (en) * | 2007-01-19 | 2008-07-23 | 中兴通讯股份有限公司 | Method for monitoring data traffic based on contents and/or IP address |
| CN101330537A (en) * | 2008-07-30 | 2008-12-24 | 中国电信股份有限公司 | Method and device for end-to-end ciphering voice |
| CN101345965A (en) * | 2008-08-29 | 2009-01-14 | 中国电信股份有限公司 | Encryption call method based on speech code stream and mobile terminal |
| CN101488954A (en) * | 2009-01-09 | 2009-07-22 | 中兴通讯股份有限公司 | Speech monitoring method and access gateway |
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