CN101867662A - High-impedance monitoring device and method for user call - Google Patents
High-impedance monitoring device and method for user call Download PDFInfo
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- CN101867662A CN101867662A CN201010188373A CN201010188373A CN101867662A CN 101867662 A CN101867662 A CN 101867662A CN 201010188373 A CN201010188373 A CN 201010188373A CN 201010188373 A CN201010188373 A CN 201010188373A CN 101867662 A CN101867662 A CN 101867662A
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Abstract
The invention discloses a high-impedance monitoring device and a high-impedance monitoring method for user call. The device comprises a foreign exchange office (FXO) module, wherein the FXO module is arranged between a calling line on which a monitored user station is connected with local end equipment and a third-party user station; and the FXO module has high impedance in an on-hook state and is used for unidirectionally transmitting a voice signal of the monitored user to the third-party user station in the on-hook state. The method has the advantages of reducing system cost and improving the operability of the monitoring device.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of high-impedance monitoring device and method of user's communication.
Background technology
Existing telecommunication network system provides a kind of high resistant monitoring service, that is, under the prerequisite that does not influence all business functions of intercepted user, third party user can monitor all conversations of intercepted user.
In correlation technique, monitoring service is carried out at local side switch place usually, still, because after soft switchcall server need parse user's time slot, unidirectionally again is connected to third party user, so, operationalize comparatively complicatedly, efficient is lower.Monitor if on the talk line of intercepted user, directly connect third party user's phone, monitor, then can the talk line of intercepted user be exerted an influence, thereby make snoop procedure to be discovered owing to can't realize high resistant.
Summary of the invention
Main purpose of the present invention is to provide a kind of high resistant of user's communication to monitor scheme, to address the above problem at least.
To achieve these goals, according to an aspect of the present invention, provide a kind of high-impedance monitoring device of user's communication.
High-impedance monitoring device according to user's communication of the present invention, comprise: FXO FXO module, be arranged between the talk line and third party's substation that the intercepted user phone is connected with local side apparatus, the FXO module has high impedance under hook state, be used under hook state the voice signal of intercepted user is one-way transmitted to third party's substation.
Further, said apparatus also comprises: coding decoder is used for being converted to the voice signal of the FXS type that FXS FXS module can discern with receiving voice signal from the intercepted user of FXO module; The FXS module, the voice signal that is used for the coding decoder that will receive is transferred to third party's substation.
Further, said apparatus also comprises: detection module is used to detect the feed or the voltage of talk line, and testing result is reported processing module; Processing module comprises: acquiring unit is used to obtain the state of coding decoder and the testing result of voltage detection module; Judging unit is used for judging according to the state of coding decoder whether talk line has ring or keypad tone, and judges the state of intercepted user according to testing result, and wherein, the state of intercepted user comprises off-hook or on-hook.
Further, when judging unit also is used for voltage at talk line less than-48 volts, determine that intercepted user is a hook state, during greater than-20 volts, determine that intercepted user is an off hook state at the voltage of talk line.
Further, said apparatus also comprises: display module, be used for showing talk line intercepted user number and when judging unit is determined ring or keypad tone are arranged in the voice signal, prompting third party user.
To achieve these goals, according to a further aspect in the invention, also provide a kind of high resistant monitor method of user's communication.
High resistant monitor method according to user's communication of the present invention may further comprise the steps: between talk line that the intercepted user phone is connected with local side apparatus and third party's substation FXO FXO module is set; The FXO module of use under hook state is one-way transmitted to third party's substation with the voice signal of intercepted user, and the FXO module has high impedance under hook state.
Further, using FXO module under hook state that the voice signal of intercepted user is one-way transmitted to third party's substation comprises: the voice signal that coding decoder will receive from the intercepted user of FXO module is converted to the voice signal that FXS FXS module can be discerned; Signal after the conversion is sent to third party user by the FXS module.
Further, the signal after the conversion is sent to before the third party user by the FXS module, said method also comprises: the feed or the voltage that detect the talk line of intercepted user; According to the state of feed or voltage judgement intercepted user, wherein, the intercepted user state comprises off-hook or on-hook; State at intercepted user is that third party user monitors talk line under the situation of off-hook.
Further, before the state according to feed or voltage judgement intercepted user, said method also comprises: obtain the state of coding decoder, judge according to the state of coding decoder whether ring or keypad tone are arranged in the talk line; Prompting third party user is being arranged under the situation of ring; Having under the situation of keypad tone, showing that the caller state and the intercepted user of intercepted user dialled the called number that cries.
Further, the signal after the conversion is sent to after the third party user by the FXS module, said method also comprises: when showing the number of the intercepted user in the talk line and ring or keypad tone being arranged in talk line, and prompting third party user.
By the present invention, utilize the high resistant one-way transmission function of FXO module under the simulation hook state, the realization monitoring users docks with the intercepted user circuit, solved and directly connected the problem that detectaphone influences the intercepted user talk line and then can't realize the high resistant monitoring service in the correlation technique, make monitoring service more convenient, quick, reduce system cost, improved the operability of audiomonitor.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structured flowchart according to the high-impedance monitoring device of the user's communication of the embodiment of the invention;
Fig. 2 is the structured flowchart of the high-impedance monitoring device of user's communication according to the preferred embodiment of the invention;
Fig. 3 is the schematic diagram of the high-impedance monitoring device of the user's communication of another preferred embodiment according to the present invention;
Fig. 4 is the flow chart according to the high resistant monitor method of the user's communication of the embodiment of the invention;
Fig. 5 is the flow chart of the high resistant monitor method of user's communication according to the preferred embodiment of the invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Fig. 1 is the structured flowchart according to the high-impedance monitoring device of the user's communication of the embodiment of the invention, as shown in Figure 1, this device 100 comprises: FXO (Foreign ExchangeOffice, abbreviate FXO as, claim Analog Trunk Interface again) module 10, it is arranged between the talk line and third party's substation that the intercepted user phone is connected with local side apparatus, FXO module 10 has high impedance under hook state, be used under hook state the voice signal of intercepted user is one-way transmitted to third party's substation.
Pass through the embodiment of the invention, utilize the high resistant one-way transmission function of FXO module 10 under the simulation hook state, the realization monitoring users docks with the intercepted user circuit, solved and directly connected the problem that detectaphone influences the intercepted user talk line and then can't realize the high resistant monitoring service in the correlation technique, make monitoring service more convenient, quick, reduce system cost, improved the operability of audiomonitor.
Fig. 2 is the structured flowchart of the high-impedance monitoring device of user's communication according to the preferred embodiment of the invention, as shown in Figure 2, this device 100 also comprises: coding decoder 20, be coupled to FXO module 10, be used for being converted to the voice signal of the FXS type that FXS FXS module can discern receiving voice signal from the intercepted user of FXO module; FXS (Foreign Exchange Station abbreviates FXS as) module 30 is coupled to coding decoder 20, and the voice signal that is used for the coding decoder that will receive is transferred to third party's substation.
In this preferred embodiment, after the conversion of voice signal with 10 outputs of FXO module, can link to each other, make and the conversation one-way transmission of intercepted user can be arrived monitoring users with the phone of monitoring users through coding decoder 20 and FXS module 30, this method realizes simple, and is workable.
Preferably, this device 100 also comprises: detection module 40 is used to detect the feed or the voltage of talk line, and testing result is reported processing module; Processing module 50 is coupled to detection module 40 and coding decoder 20, comprising: acquiring unit 52 is used to obtain the state of coding decoder and the testing result of voltage detection module; Judging unit 54, be coupled to acquiring unit 52, be used for judging according to the state of coding decoder whether talk line has ring or keypad tone, and the state of judging intercepted user according to testing result, wherein, the state of intercepted user comprises off-hook or on-hook.
In this preferred embodiment, utilize detection module 40 to detect the talk line of intercepted user, make and utilize system effectively to monitor by the state that can determine intercepted user according to testing result, improved the performance and the accuracy of system.
Preferably, when judging unit 54 also is used for voltage at talk line less than-48 volts, determine that intercepted user is a hook state, during greater than-20 volts, determine that intercepted user is an off hook state at the voltage of talk line.This method can be judged the dislodging machine state of intercepted user effectively, thus the disposal ability and the sensitivity that have improved system.
Preferably, this device 100 also comprises: display module 60, be coupled to processing module 50, be used for showing talk line intercepted user number and when judging unit is determined ring or keypad tone are arranged in the voice signal, prompting third party user.This method can allow monitoring users monitor the state of intercepted user in real time, has improved user experience.
Fig. 3 is the schematic diagram of the high-impedance monitoring device of the user's communication of another preferred embodiment according to the present invention, as shown in Figure 3, this device 100 comprises: FXO type line module 10, encoding and decoding conversion device CODEC module 22, FXS type line module 30, voltage detection module 42, CPU (Central Processing Unit, abbreviate CPU as) module 52, LCD (Liquid Crystal Display, abbreviate LCD as) module 62 and power module 70, below to being elaborated.
FXO type line module 10, its subscriber's line does not have feed, can analog subscriber dislodging machine, be used for docking with the intercepted user circuit.This interface still can unidirectional (that is, transferring to CODEC module 22 directions from the intercepted user phone) transmission of speech signals, i.e. on-hook transmission state under the simulation receiver-on-hook condition.
CODEC module 22, be used for the speech signal coding of FXO type subscriber's line of the FXO type line module 10 that will receive after, the dialing keypad tone that decoding exports on FXS type subscriber's line and the FXO type subscriber's line detects.This module can also be adopted as digital signal with voice analog signal, by time-multiplexed mode (dividing different time slots) with different user speech information at different time slots, by up transmission with receive data channel and carry out first line of a couplet exchange.
FXS type line module 30, it is the same with Access Network Analog Subscriber Line Board subscriber's line, and feed is arranged on the subscribers feeder, is used to connect voice user's terminal (phone).
Voltage detection module 42 can detect the voltage between intercepted user circuit A Wire/B Wire, and measured value is reported CPU module 52, to judge intercepted user dislodging machine situation.For example, if on-hook, survey voltage and be normal feed condition (less than-48V); If off-hook, survey voltage be off hook state (greater than-20V).
CPU module 52, the initialization and the subscriber's line state that are used for CODEC module 22 read and control.
LCD module 62, the number that is used for dialling on the circuit shows, and when ringing-current or keypad tone were arranged on the circuit, CODEC module 22 can report CPU module 52 with corresponding states, and CPU module 52 writes LCD module 62 ringing condition or ringing-current state is shown.
Power module 70 is for system provides the power supply power supply.For example, can use battery is these device 100 power supplies.
Fig. 4 is the flow chart according to the high resistant monitor method of the user's communication of the embodiment of the invention, and as shown in Figure 4, this method may further comprise the steps:
Step S402 is provided with FXO module 10 between talk line that the intercepted user phone is connected with local side apparatus and third party's substation;
Step S404, the FXO module 10 of use under hook state is one-way transmitted to third party's substation with the voice signal of intercepted user, and FXO module 10 has high impedance under hook state.
Pass through the embodiment of the invention, utilize the high resistant one-way transmission function of FXO module 10 under the simulation hook state, the realization monitoring users docks with the intercepted user circuit, solved and directly connected the problem that detectaphone influences the intercepted user talk line and then can't realize the high resistant monitoring service in the correlation technique, make monitoring service more convenient, quick, reduce system cost, improved the operability of audiomonitor.
Preferably, in step S404, the voice speech conversion of signals that coding decoder 20 will receive from the intercepted user of FXO module 10 is the voice signal that FXS module 30 can be discerned; Signal after the conversion is sent to third party user's (that is monitoring users) by FXS module 30.This method can arrive monitoring users with the conversation one-way transmission of intercepted user, and this method realizes simple, and is workable.
Preferably, the signal after the conversion is sent to before the third party user by FXS module 30, also comprise: the feed or the voltage that detect the talk line of intercepted user; According to the state that the feed or the voltage of user's talk line are judged intercepted user, wherein, the intercepted user state comprises off-hook or on-hook; State at intercepted user is under the situation of off-hook, the talk line of third party user's monitoring users.
Preferably, judge according to the feed of user's talk line or voltage and also comprise: obtain the state of coding decoder 20, judge according to the state of coding decoder 20 whether ring or keypad tone are arranged in the talk line before the state of intercepted user; Prompting third party user is being arranged under the situation of ring; Having under the situation of keypad tone, showing that the caller state and the intercepted user of intercepted user dialled the called number that cries.
In this preferred embodiment, by talk line that detects intercepted user and the state that reads coding decoder 20, the state that utilizes third party user to determine intercepted user is effectively arranged, improved the performance and the accuracy of system.
Preferably, the signal after the conversion is sent to after the third party user by FXS module 10, also comprise: when showing the number of the intercepted user in the talk line and ring or keypad tone being arranged in talk line, prompting third party user.This method can allow monitoring users monitor the state of intercepted user in real time, has improved user experience.
Fig. 5 is the flow chart of the high resistant monitor method of user's communication according to the preferred embodiment of the invention, and as shown in Figure 5, this method may further comprise the steps:
Step S502, CPU module 52 initialization CODEC module 22 and LCD modules 62 are configured to hook state with FXO mouth 10.
Step S504, CPU module 52 judges by reading the state of CODEC module 22 whether the intercepted user circuit has ring.If ring is arranged, then control LCD module 62 and show that intercepted user has ringing condition.
Step S506, CPU module 52 is by detecting the feed condition of intercepted user circuit, judges whether off-hook of intercepted user.If off-hook (that is, hook state) is not then return step 504; If off-hook then enters step S508;
Step S508, CPU module 52 judges by reading the state of CODEC module 22 whether the intercepted user circuit has keypad tone.If keypad tone is arranged, then control LCD module 62 and show intercepted user caller state, and show the called number of dialling.
Step S510, CPU module 52 control CODEC modules 22, behind the speech signal coding that FXO type subscriber's line CID passage is imported into, be decoded to FXS type subscriber's line, and control LCD module 62 shows that intercepted user is just in talking state, this moment, monitoring users can be monitored the intercepted user conversation by FXS type subscriber line terminal.
Step S512, CPU module 52 is by detecting the feed condition of intercepted user circuit, judges whether on-hook of intercepted user.If on-hook is then controlled LCD module 62 and is shown end of conversation, and returns step S504; If step S510 is then return in not on-hook (that is, off-hook), keep listening state.
In sum, the embodiment of the invention is used the scheme that articulates small-sized audiomonitor on the intercepted user circuit, directly monitors on the intercepted user circuit, has realized the function that high resistant is monitored, and has reduced system cost.Compare the method for local side exchanger side configuration audiomonitor, reduce cost and implementation complexity.And this method also can be carried out under the situation of not knowing the intercepted user number, realizes simple, workable.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the high-impedance monitoring device of a user's communication is characterized in that, comprising:
FXO FXO module, be arranged between the talk line and third party's substation that the intercepted user phone is connected with local side apparatus, described FXO module has high impedance under hook state, be used under described hook state the voice signal of described intercepted user is one-way transmitted to described third party's substation.
2. device according to claim 1 is characterized in that, also comprises:
Coding decoder is used for being converted to the voice signal of the FXS type that FXS FXS module can discern with receiving voice signal from the described intercepted user of described FXO module;
Described FXS module, the voice signal that is used for the described coding decoder that will receive is transferred to described third party's substation.
3. device according to claim 2 is characterized in that, also comprises:
Detection module is used to detect the feed or the voltage of described talk line, and testing result is reported processing module;
Described processing module comprises: acquiring unit is used to obtain the state of described coding decoder and the described testing result of described voltage detection module; Judging unit, be used for judging according to the state of described coding decoder whether described talk line has ring or keypad tone, and judge the state of described intercepted user according to described testing result, wherein, the state of described intercepted user comprises off-hook or on-hook.
4. device according to claim 3, it is characterized in that, when described judging unit also is used for voltage at described talk line less than-48 volts, determine that described intercepted user is a hook state, during greater than-20 volts, determine that described intercepted user is an off hook state at the voltage of described talk line.
5. according to each described device in the claim 1 to 4, it is characterized in that, also comprise:
Display module, be used for showing described talk line described intercepted user number and when described judging unit is determined in the described voice signal ring or keypad tone to be arranged, point out described third party user.
6. the high resistant monitor method of a user's communication is characterized in that, may further comprise the steps:
Between talk line that the intercepted user phone is connected with local side apparatus and third party's substation, FXO FXO module is set;
The described FXO module of use under hook state is one-way transmitted to described third party's substation with the voice signal of described intercepted user, and described FXO module has high impedance under described hook state.
7. method according to claim 6 is characterized in that, uses described FXO module under hook state that the voice signal of described intercepted user is one-way transmitted to described third party's substation and comprises:
The voice signal that coding decoder will receive from the described intercepted user of described FXO module is converted to the voice signal that FXS FXS module can be discerned;
Signal after the conversion is sent to described third party user by the FXS module.
8. method according to claim 7 is characterized in that, the signal after the conversion is sent to before the described third party user by the FXS module, also comprises:
Detect the feed or the voltage of the talk line of described intercepted user;
Judge the state of described intercepted user according to described feed or described voltage, wherein, described intercepted user state comprises off-hook or on-hook;
State at described intercepted user is under the situation of off-hook, and described third party user monitors described talk line.
9. method according to claim 8 is characterized in that, judges according to described feed or described voltage also to comprise before the state of described intercepted user:
Obtain the state of described coding decoder, judge according to the state of described coding decoder whether ring or keypad tone are arranged in the described talk line;
Having under the situation of ring, pointing out described third party user; Having under the situation of keypad tone, showing that the caller state of described intercepted user and described intercepted user dial the called number that cries.
10. according to each described method in the claim 7 to 9, it is characterized in that, the signal after the conversion sent to after the described third party user by the FXS module, also comprise:
When showing the number of the described intercepted user in the described talk line and in described talk line, ring or keypad tone being arranged, point out described third party user.
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| CN201010188373.8A CN101867662B (en) | 2010-05-24 | 2010-05-24 | High-impedance monitoring device and method for user call |
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| CN201010188373.8A CN101867662B (en) | 2010-05-24 | 2010-05-24 | High-impedance monitoring device and method for user call |
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| CN108134882A (en) * | 2017-12-18 | 2018-06-08 | 迈普通信技术股份有限公司 | Snoopy test method and apparatus |
| CN112351145A (en) * | 2020-10-27 | 2021-02-09 | 山东亚华电子股份有限公司 | Monitoring control method and device based on P2P call |
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| CN112351145A (en) * | 2020-10-27 | 2021-02-09 | 山东亚华电子股份有限公司 | Monitoring control method and device based on P2P call |
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| CN101867662B (en) | 2015-01-28 |
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