CN102685296A

CN102685296A - Disturbance-resistant telephone

Info

Publication number: CN102685296A
Application number: CN2012101297181A
Authority: CN
Inventors: 张金木
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-04-18
Filing date: 2012-04-18
Publication date: 2012-09-19

Abstract

The invention relates to a disturbance-resistant telephone. A calling voice identity recognition processing system is installed in the telephone. A method of the disturbance-resistant telephone comprises the following steps of: utilizing the characteristic that crank calls repeatedly play advertising and fax prompt tones prerecorded and cured in a voice record-play IC (Integrated Circuit) to implement disturbance, utilizing the fact that the crank calls do not directly call through a caller but control the call of the caller through voice prompt, therefore judging and filtering the crank calls; and temporarily isolating dialing ringing, then carrying out a serial of judgment steps and judgment methods such as voice prompt and the like, and determining and filtering various crank calls.

Description

A kind of anti-harassing call machine

(1) technical field:

The present invention relates to a kind of the resistance and utilize the telephone set of making nuisance calls; It is that to utilize harassing call all be that the characteristic that advertising and fax prompt tone among the speech recording and reproducing IC implemented harassing and wrecking is prerecorded and be solidificated in to repeat play, and utilizing it is not that the captaincy directly calls, through voice suggestion control captaincy's calling; Thereby judge and the above-mentioned harassing call of filtering; Also, carry out decision methods such as serial determination step and voice suggestion again, confirm and the various harassing calls of filtering through temporary transient isolation caller ring.

(2) background technology:

Often occur utilizing methods such as the networking telephone on the current social, ordinary telephone set without undergoing the permission of words side, is carried out mandatory illegal phone advertisement, phone propaganda and fax.Because existing public telephone network and telephone set can't be discerned the source of harassing call; Can't differentiate harassing call and normal telephone; Thereby make harassing call disturb normal living environment of people and operational environment unbridledly; And utilized by saboteur in the society and bad commercial competition, carry out illegal activity, often reach at dead of night and continuously dial harassing call daytime.

For harassing call, current telephone set can only be through presetting the trusted telephone number by user oneself, and the method for isolating other all phones prevents to make nuisance calls, this just big limitations the purposes of telephone set.

(3) summary of the invention:

Existing telephone set technology can only adopt by the user and preset and preserve the trusted telephone number; And with other telephone number as non-trusted telephone number; With the measure of the preventing telephone harassment of its isolation, so not only the user will preset a large amount of telephone numbers, but also has isolated many normal telephone communications; On the other hand for pure ring harassing call, the current way of also not finding out is well effectively resisted it.

The present invention relates to a kind of anti-harassing call machine, caller voice identification treatment system has been installed in this machine, its method is to adopt to preset the trust calling telephone number by the user earlier; And temporarily isolate the caller ringing circuit, when public telephone network when this machine is called out, this machine obtains calling telephone number in caller dialing back by the dual-tone multifrequency decoder; And with memory in the trust calling telephone number preserved make comparisons, then open the caller ringing circuit then by normal process if trust calling telephone number, if be non-trust calling telephone number; Then keep isolating the caller ringing circuit, and when detecting first 1 second caller ringing tone signal seeing off after the caller dialing finishes, promptly simulate off-hook; Therefore do not harass ringing tone owing to isolated non-trust caller bell signal, because many pure ring harassing calls all are that jingle bell is just hung up, off-hook can consume the other side's telephone expenses rapidly; Making it harass without restraint, dialing tone occurs or busy tone shows the other side's on-hook if behind the simulation off-hook, detect, is pure ring harassing and wrecking; If on-hook immediately, otherwise detect after the several seconds whether the caller voice signal is arranged is not then send that to prerecord and be solidificated among eeprom memory or voice application-specific integrated circuit or the speech recording and reproducing IC you good; May I ask and look for whose voice suggestion, whether when voice suggestion temporarily pauses, detecting has the caller voice signal then; If repeat all not have for 2 times the caller voice signal also to be pure ring harassing and wrecking, on-hook immediately, whether be advertising or the harassing call of fax prerecording and be solidificated in speech recording and reproducing IC if detect if the caller voice signal being arranged then also must look into; Whether therefore take then to send the calling party that requires who pre-records and suspend calling, we are calling out the voice suggestion that the callee answers, detect the caller voice signal then and still exist; In order to judge whether the calling party has thinking ability, thereby being harassing call or direct captaincy, identification calls out, if the calling party can not accept voice suggestion; The caller voice signal still exists and is harassing call on-hook immediately; Otherwise send simulation caller ringing tone, and distinguish mutually, be used to let the callee discern with the ringing tone of normal trust caller phone; When if the callee answers the back when remaining a kind of harassing call with modes such as the captaincy directly swear at people or talks Billingsgate; Then the callee can push anti-harassing and wrecking key, and interlock circuits such as artificial on-hook and earphone will break off in system this moment, at this moment owing to be that the captaincy directly implements harassing and wrecking; Just in time can send the legal knowledge voice segments among the speech recording and reproducing IC, on-hook after tens of seconds to the other side by the Single-chip Controlling circulation.Harassing call is to take played pre-recorded and be solidificated in the advertising and fax prompt tone enforcement harassing and wrecking among the speech recording and reproducing IC in the society; Therefore these harassing calls are not that the captaincy directly calls; Thereby its audio call of voice suggestion control capable of using; To judge harassing and wrecking caller voice signal, realize the purpose of anti-harassing call.

This machine circuit such as module, speech recording and reproducing IC, speech detection module, memory, keyboard display that collected the digits by single-chip microcomputer, interface module, dialing are formed.Wherein speech recording and reproducing IC is used to send voice suggestion and sends the voice signal that legal knowledge is propagated to the other side, and single-chip microcomputer is used for detection and identification harassing and wrecking caller voice signal and isolates, and is used for producing the trust calling telephone number and sending various control signals.Interface module is used to detect various different telephone signal tones, and produces actions such as simulation ring, simulation off-hook, on-hook.The speech detection module; Be when the caller voice signal sent here by public telephone line; This signal becomes the single-chip microcomputer available signal after the speech detection resume module; After single-chip microcomputer sent the voice suggestion of various control callings, whether whether the speech detection module just is used for differentiating had voice signal to exist, be harassing call to judge.The dialing module that collects the digits is used for obtaining calling telephone number from outside line.Memory module is used for storage and trusts calling telephone number.Keyboard display is used for human-computer dialogue, and wherein anti-harassing and wrecking key is used for isolating the harassing call of swearing at people, and sends the voice signal of legal knowledge propaganda among the speech recording and reproducing IC.

(4) description of drawings:

Fig. 1 is a kind of circuit structure block diagram of anti-harassing call machine.

(5) embodiment:

The present invention introduces a kind of anti-harassing call machine, and Fig. 1 is its circuit structure block diagram.It is made up of interface module 1, speech detection module 2, the dialing circuit such as module 3, speech recording and reproducing IC 4, single-chip microcomputer 5, keyboard display 6, memory 7 that collect the digits.Wherein single-chip microcomputer 5 adopts 89C52 to be used to provide off-hook on-hook control signal and credible sound to detect, and ring detects, and also detects and discerns harassing and wrecking caller voice signal simultaneously and isolate, and also is used for producing and trusts calling telephone number and send various control signals.Interface module 1 is used to produce the off-hook on-hook signal, produces ringing tone and comprises credible tone detection circuit.The 450HZ call proceeding signal tone of the various different make-to-break ratios on the public telephone circuit; LM567 can export single-chip microcomputer 5 to after changing the square wave of different duty in interface module 1, supplies single-chip microcomputer 5 that these square waves are judged to confirm that the call proceeding signal is the credible sound of ring-back tone, busy tone, dialing tone or the like.Collect the digits module 3 of dialing adopts Dual Tone Multifrequency signal transmitting and receiving chip MT8880, this chip can with single-chip microcomputer 89C52 interface, be used to receive and send the telephone number that transmits with the binary-coded decimal form.Speech recording and reproducing IC 4 adopts this chip of U.S. voice recording and playback ic ISD25120 to have stronger segmentation addressing ability, can begin playback from given address in order by Single-chip Controlling, and until EOM or end, recording also is by address segmentation recording, and is triggered by button.Speech detection module 2 is used for when the caller voice signal of being sent here by public telephone line, becoming the single-chip microcomputer available signal through capacitive coupling and after amplification, level conversion, shaping, and whether supply single-chip microcomputer 5 to differentiate has voice signal to exist.It is that 24C08 is used for storage trust calling telephone number that memory 7 adopts the EEPROM model, and one side is by user's manual presetting and preserve the trusted telephone number, is write automatically after judging by single-chip microcomputer 5 on the other hand.Keyboard display 6 is used for human-computer dialogue.

When caller calls, system at first reads the dialing calling telephone number that module 3 sends here that collects the digits, and with memory 7 in the trust calling telephone number preserved make comparisons; If be judged to be non-trust calling telephone number; Then keep the ringing circuit off-state, and the simulation off-hook, the pure ring harassing and wrecking of credible sound type decision sent here according to interface module 1 of single-chip microcomputer 5 after this; Send various prompt tones by speech recording and reproducing IC 4 again; Whether detect the caller voice signals through speech detection module 2 and exist and judge various harassing calls, the phone if the captaincy swears at people is then pushed the anti-harassing and wrecking key in the keyboard display 6; Promptly circulate and send legal knowledge slogan tone signal, realize the purpose of anti-harassing call by speech recording and reproducing IC 4.

Claims

1. an anti-harassing call machine is characterized in that having installed in this machine caller voice identification treatment system, and its method is to preset the trust calling telephone number by the user earlier; And temporarily isolate the caller ringing circuit, when public telephone network when this machine is called out, this machine obtains calling telephone number in caller dialing back by the dual-tone multifrequency decoder; And with memory in the trust calling telephone number preserved make comparisons, then open the caller ringing circuit then by normal process if trust calling telephone number, if be non-trust calling telephone number; Then keep isolating the caller ringing circuit, and when detecting first 1 second caller ringing tone signal seeing off after the caller dialing finishes, promptly simulate off-hook; Just hang up because pure ring harassing call all is a jingle bell, rapidly off-hook can consume the other side's telephone expenses, dialing tone occurs or busy tone shows the other side's on-hook if behind the simulation off-hook, detect; Be pure ring harassing and wrecking, on-hook immediately, otherwise detect after the several seconds whether the caller voice signal is arranged; If no, send then that to prerecord and be solidificated among eeprom memory or voice application-specific integrated circuit or the speech recording and reproducing IC you good, may I ask and look for whose voice suggestion; Whether when voice suggestion temporarily pauses, detecting has the caller voice signal then, does not all have the caller voice signal also to be pure ring harassing and wrecking if repeat 2 times; On-hook is immediately then sent the calling party that requires who pre-records and is suspended calling, and we are calling out the voice suggestion that the callee answers; Detect the caller voice signal then and whether still exist,, call out thereby identification is harassing call or direct captaincy in order to judge whether the calling party has thinking ability; If the calling party can not accept voice suggestion, the caller voice signal still exists and is harassing call on-hook immediately, otherwise sends simulation caller ringing tone; And distinguish mutually with the ringing tone of normal trust caller phone, if remain a kind of and directly swear at people or during the harassing call of the mode that talks Billingsgate, then the callee pushes anti-harassing and wrecking key with the captaincy when the callee answers the back; Artificial on-hook and earphone interlock circuit will break off in system this moment; Send the legal knowledge voice segments among the speech recording and reproducing IC by the Single-chip Controlling circulation to the other side, on-hook after tens of seconds, harassing call is to take played pre-recorded and be solidificated in the advertising and fax prompt tone enforcement harassing and wrecking among the speech recording and reproducing IC in the society; Therefore these harassing calls are not that the captaincy directly calls; Thereby its audio call of voice suggestion control capable of using to judge harassing and wrecking caller voice signal, is realized the purpose of anti-harassing call.

2. a kind of anti-harassing call machine according to claim 1 is characterized in that anti-harassing call machine comprises:

Speech recording and reproducing IC is used to send voice suggestion and sends the voice signal that legal knowledge is propagated to the other side;

Single-chip microcomputer is used for detecting and identification harassing and wrecking caller voice signal and isolating, and is used for producing and trusts calling telephone number and send various control signals;

Interface module is used to detect various different telephone signal tones, and produces simulation ring, simulation off-hook, on-hook action;

Whether the speech detection module is used for differentiating whether the voice signal existence is arranged, be harassing call to judge;

The dialing module that collects the digits is used for obtaining calling telephone number from outside line;

Keyboard and display are used for human-computer dialogue, and wherein anti-harassing and wrecking key is used for isolating the harassing call of swearing at people;

Memory module is used for storage and trusts calling telephone number.