CN1059243A - Method and device for automatic answering and transmission of telephone exchange of user controlled by microcomputer and capable of directly dialing into extension - Google Patents
Method and device for automatic answering and transmission of telephone exchange of user controlled by microcomputer and capable of directly dialing into extension Download PDFInfo
- Publication number
- CN1059243A CN1059243A CN 91105564 CN91105564A CN1059243A CN 1059243 A CN1059243 A CN 1059243A CN 91105564 CN91105564 CN 91105564 CN 91105564 A CN91105564 A CN 91105564A CN 1059243 A CN1059243 A CN 1059243A
- Authority
- CN
- China
- Prior art keywords
- microcomputer
- signal
- micro
- switching
- private branch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 11
- 230000005540 biological transmission Effects 0.000 title 1
- 230000001755 vocal effect Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000011664 signaling Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Abstract
The device of the present invention belongs to an additional device of a user automatic exchanger. The present invention utilizes the feature of unchanging signal mode of same telephone set in same telephone channel at same time, and adopts microcomputer preset known number as template and compares it with dialing-in signal to define unknown signal, and the microcomputer can automatically simulate telephone operator according to program to make correct operation and connect extension set. When the extension is not available, busy tone or the signal which can not be identified by microcomputer is received, the microcomputer can give out correspondent speech to notify the opposite side, then the connected circuit can be automatically cut off or the alarm can be given out to notify telephone operator to make treatment.
Description
The invention belongs to the attachment device of the automatic switch-board of users' uses such as a kind of office, group, factories and miness
The present employed medium and small corporate users telephone exchange of China, it is full automatic outwards breathing out, and the outside line incoming call is to reply and transfer through the operator.
The developed countries great majority are without the automatic main exchange of user but the unit of straight-through telephone exchange directly is housed, and minority is equipped with the unit of small switch, generally also do not have the telephone traffic transfer platform but change telephone set or part-time generation commentaries on classics personnel handle by generation.
Domesticly several devices of dialling in extension set have automatically been developed in recent years, as the patent No. is 87208995.9,89207643.7,89209093.6 etc., they wish to detect the pulse that the outside line calling subscriber dialing is come, directly or indirectly carry out the extension set transfer, this is for the in-plant conversation of telephone exchange's exchange, micropolis of single variety, might realize dialling in automatically extension set, depend on also whether the impulse waveform of dialling in signal is regular, remain unchanged for a long period of time.
In fact the used exchange standard of the telephone exchange in each city of China is various, there is the long weak point that has in the path, other reason in addition, and the signal of generally dialling in number has pulse signal, two-tone signal (Fig. 2) is also arranged, single with regard to pulse signal, its waveform differs greatly (Fig. 1), as dials " a 3 " word, two at least of pulse numbers by different speech channels, surplus how can reaching ten, and pulse spacing, amplitude also differ greatly several different wave of jack per line as shown in Figure 3.
The waveform of this change at random can't correctly be discerned with the device of the above-mentioned patent No., so its error rate is very high.And up to the present, domestic such device of not seeing as yet formally comes into operation.
The objective of the invention is to:
1, provides a kind of method and apparatus, correctly discern the true dialing of various random signal representatives;
2, simulation operator's operation inserts extension set automatically and withdraws from automatically;
3, under the situation that this device can't be handled, can or show bright to the other side to operator's warning;
4, this device and former switch are taked quarantine measures, do not influence the operate as normal of former switch.
Because it is too big to go into the different wave shape of repeating signal, can't correctly discern with a kind of simple method.But synchronization to same phone in same speech channel, its signal mode is constant.The method of a kind of micro-processor controlled capable of direct inward dialing private branch exchange automatic-answering back device provided by the invention, switching is utilized this characteristics, adopts microcomputer technology, carries out signal identification and processing.Promptly subscriber exchange receive dial in signal after, give verbal announcement the other side of establishing by microcomputer (7) and dial to give earlier and establish known number, then dial again extension number (notice in had three: one, tell the other side, I am * * unit; The 2nd, tell the other side, be that computer is on duty here, can dial directly extension; The 3rd, notify the other side Dialing Method, promptly before dialling extension number, dial earlier a stated number-for example 3 or 5, and then dial extension number), after microcomputer (7) receives the other side's dialing signal, first is given the feature that the known number of putting is carried out identification signal, as template, follow-up unknown signaling is compared and discerns with this feature, determine its true number, and carry out correct operation by the alternative operator of microcomputer (7) control executing mechanism.
Meet called extension set and be busy tone or (be generally 20 seconds) nobody at the appointed time and answer, start the verbal announcement the other side who gives establishing by two kinds of different situations, and cut off the circuit of connecting automatically by microcomputer.
Meet the signal that this device can't be discerned, for example the other side does not know required extension number and when only notice of invitation position title needed to talk with the operator, microcomputer can't be discerned its signal, also can't carry out automatic dialing.Microcomputer at the appointed time (for example 5 seconds) can not receive and can know signal, the signalisation operator that then gives the alarm carries out artificial treatment, when the operator can not carry out artificial treatment at the appointed time or for some reason, then start to give and establish verbal announcement the other side, and cut off the circuit of connecting automatically by microcomputer.
The user of telephone exchange dials in repeating signal and is divided into two big classes substantially, discern the dialing value, at first will discern the character of these two kinds of signals, and it is pulse or two-tone signal that the present invention adopts the template recognition technology at first to discern into repeating signal.
After the character of repeating signal was gone in identification, microcomputer (7) adopted template recognition technology identification pulse signal respectively automatically or adopts the fast Fourier transform technology that the two-tone signal of input is analyzed, and determines its true number.Carry out correct dialing by microcomputer notice actuator then.
A kind of micro-processor controlled capable of direct inward dialing private branch exchange automatic-answering back device provided by the invention, switching device, its block diagram is seen Fig. 4, is made up of photovoltaic array (3), interface (5,9), microcomputer (7), transformer (4), A/D, D/A converter (6), panel operating key (8), power supply (10), relay array (11).
Telephone exchange is a formal product, and it is of a great variety, for apparatus of the present invention access switch system is not being influenced the original operating state of switch, the present invention takes the measure with the switch isolation, that is: be extracted into repeating signal, send dialing signal and will give the voice signal of putting and notify the other side according to the extension of identification, all isolate, promptly form the isolator of this device and telephone exchange machine host by photovoltaic array (3), transformer (4), relay array (11) with different isolation sensors and telephone exchange machine host.
What photovoltaic array (3) was isolated scanning monitoring and received console goes into repeating signal lamp and busy lamp, will scan the gained signal and send into microcomputer (7).
Isolating transformer (4) is isolated and reception (or sending) operator circuit signal.
Relay array (11) is isolated with the switch dialing mechanism and the control dialing.
The present invention is the core with the single chip microcomputer, finishes signal identification, overall processes such as operation control, voice answer-back and warning by program.
Its course of work is as follows:
At first go into the repeating signal lamp by photovoltaic array (3) scanning monitoring console, go into the relaying lamp when bright when a certain, this signal imports microcomputer (7) by photoelectric tube (3) into through interface (5), the corresponding listening key of console is connected by interface (9) control relay (11) by microcomputer (7).Send one section voice by D/A converter (6), isolating transformer (4) simultaneously, notify the other side to continue to dial to give and put number and extension number.The dialing tone of being dialled in by the other side becomes digital signal by isolating transformer (4), A/D, converter (6) with the analog signal of input and enters microcomputer (7) and discern processing.The operator can pass through panel operating key (8) control microcomputer (7), makes microcomputer (7) carry out the different operation sequence of several covers according to the setting of panel operating key (8):
1, correct dialing will be connected corresponding extension set by relay (11);
2, incorrect dialing forwards corresponding logging desk to when panel operating key (8) indication " service at night ".When indicating nobody, microcomputer (7) is sent one section verbal announcement the other side " operator does not exist, and treats to beat for a moment again " by D/A converter (6) and transformer (4) at panel operating key (8).
3, microcomputer (7) can also pass through photovoltaic array (3) and monitors busy lamp on the console, and nobody connects when finding to connect back long-time (as being set at 20 seconds) by certain extension set, then notify the other side nobody answer the call and cut-out speech channel.
3, consider that apparatus of the present invention insert after, impossible replacing whole operator's work, therefore be provided with automatic and manual dual-purpose function selecting, when running into the signal that microcomputer can't discern, can send alarm signal by microcomputer, notification traffic person carries out manual handle, and the operator can also select manually, and this device halt is used.
Compared with the prior art the present invention has following advantage:
1, the present invention has adopted microcomputer technology, carries out Classification and Identification to going into repeating signal, can deal with the dialing tone on all kinds of phones, various offices road, thereby improve discrimination greatly.
2, the present invention has adopted isolation technology, does not change former switch architecture, function and performance and links with all kinds of switches easily.
3, the present invention is provided with automatically and manual dual-purpose function.
Embodiments of the invention:
In the embodiments of the invention, single chip microcomputer (7) is by 8089U
70, read-only memory U
72, random asccess memory U
73, decoder U
71Form (Fig. 5), interface circuit (9) is by five special interface circuit U
9And two decoding circuit U
91Form (Fig. 6), interface circuit (5) is by two decoding circuit U
5Form (Fig. 6), A/D, D/A converter (6) are respectively formed (Fig. 6) by a slice A/D, D/A change-over circuit, and relay array (11) is by drive circuit U
11With miniature relay J
1-15Form (Fig. 7), photovoltaic array (3) is by 15 groups of photoelectrical coupler U
3With No. 15 resistance attenuator W
1-15Form (Fig. 7), power supply is by 3 three-terminal voltage-stabilizing circuit U
10Form (Fig. 7).Complete machine power consumption 3W.Can connect crosspoint switch, maximum 15 incoming trunk lines.Can connect the program control type switch, incoming trunk line is not limit yet.No matter be used for the sort of switch, institute's extension door number is not limit.
Description of drawings:
Fig. 1: for going into several typical pulse waveforms in the repeating signal
Fig. 2: for going into typical double-tone waveform in the repeating signal
Fig. 3: for going into several different impulse waveforms of jack per line in the repeating signal
Fig. 4: for the theory diagram of apparatus of the present invention-from (3) to (11)
(1) console is gone into repeating signal lamp and busy lamp
(2) warning circuit
(3) photovoltaic array (4) transformer
(5) interface (6) A/D, D/A converter
(7) microcomputer (8) panel operating key
(9) interface (10) power supply
(11) relay array (12) console operation keys
(13) console operator phone
Fig. 5: the internal circuit of embodiment of the invention single chip microcomputer
Fig. 6: the circuit of interface in the embodiment of the invention (5,9), transformer (4), A/D, D/A converter
Fig. 7: the circuit of photovoltaic array in the embodiment of the invention (3), relay array (11) and power supply (10)
Claims (12)
1, the method for a kind of micro-processor controlled capable of direct inward dialing private branch exchange automatic-answering back device, switching is characterized in that:
(1) subscriber exchange receive dial in go into repeating signal after, giving verbal announcement the other side of establishing by microcomputer dials to give earlier and establishes known number, then dial extension number again, discern the characteristics of known number signal, as template follow-up unknown signaling is compared and discerns with this by microcomputer; Determine its true number, and carry out correct operation by the alternative operator of system controlled by computer actuator;
(2) meeting called extension set is busy tone or nobody answers at the appointed time, is started by different situations by microcomputer and gives the verbal announcement the other side who establishes, and cut off the circuit of connecting automatically;
(3) meet the signal that this device can't be discerned, then carry out artificial treatment by the microcomputer signalisation operator that gives the alarm, the operator at the appointed time or some reason can not carry out artificial treatment, then start to give and establish verbal announcement the other side, and cut off the circuit of connecting automatically by microcomputer.
2, according to the method for the said a kind of micro-processor controlled capable of direct inward dialing private branch exchange automatic-answering back device of claim 1, switching, it is characterized in that: adopting the template recognition technology to discern into repeating signal is pulse or two-tone signal;
3, according to the method for the said a kind of micro-processor controlled capable of direct inward dialing private branch exchange automatic-answering back device of claim 1, switching, it is characterized in that: the true number that adopts template recognition technology identification pulse signal;
4, according to the method for the said a kind of micro-processor controlled capable of direct inward dialing private branch exchange automatic-answering back device of claim 1, switching, it is characterized in that: adopt the fast Fourier transform technology that the two-tone signal of input is analyzed, determine its true number.
5, the device of a kind of micro-processor controlled capable of direct inward dialing private branch exchange automatic-answering back device, switching is characterized in that:
(1) formed by photovoltaic array (3), interface (5,9), microcomputer (7), transformer (4), A/D, D/A converter (6), panel operating key (8), relay array (11);
(2) form the isolator of this device and telephone exchange machine host by photovoltaic array (3), transformer (4), relay array (11).
(3) be provided with automatic and the manual function selection.
6, according to the device of the said a kind of micro-processor controlled capable of direct inward dialing private branch exchange automatic-answering back device of claim 5, switching, it is characterized in that: adopted single chip microcomputer (7) and be the core, finished signal identification, operation control, voice answer-back and warning by program;
7, according to the device of the said a kind of micro-processor controlled capable of direct inward dialing private branch exchange automatic-answering back device of claim 5, switching, it is characterized in that: adopt photovoltaic array (3) to isolate scanning monitoring and receive console go into repeating signal lamp and busy lamp;
8, according to the device of the said a kind of micro-processor controlled capable of direct inward dialing private branch exchange automatic-answering back device of claim 5, switching, it is characterized in that: adopt transformer (4) to isolate and receive (or sending) operator circuit signal;
9, according to the device of the said a kind of micro-processor controlled capable of direct inward dialing private branch exchange automatic-answering back device of claim 5, switching, it is characterized in that: adopt relay array (11) and switch dialing mechanism to isolate and the control dialing;
10, according to the device of the said a kind of micro-processor controlled capable of direct inward dialing private branch exchange automatic-answering back device of claim 5, switching, it is characterized in that: adopt D/A converter (6) will be stored in the microcomputer (7) corresponding speech signal and become analog signal by digital signal and notify the other side;
11, according to the device of the said a kind of micro-processor controlled capable of direct inward dialing private branch exchange automatic-answering back device of claim 5, switching, it is characterized in that: adopt A/D converter (6), the analog signal of input is become digital signal, discern accordingly and handle by microcomputer (7);
12, according to the device of the said a kind of micro-processor controlled capable of direct inward dialing private branch exchange automatic-answering back device of claim 5, switching, it is characterized in that: panel operating key (8) is provided with for the operator and controls the key that microcomputer (7) is carried out a few cover distinct programs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91105564 CN1020365C (en) | 1991-08-15 | 1991-08-15 | Automatic answering and connecting method for micro-processor controlled PBX capable of direct inward dialing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91105564 CN1020365C (en) | 1991-08-15 | 1991-08-15 | Automatic answering and connecting method for micro-processor controlled PBX capable of direct inward dialing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1059243A true CN1059243A (en) | 1992-03-04 |
| CN1020365C CN1020365C (en) | 1993-04-21 |
Family
ID=4907230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91105564 Expired - Fee Related CN1020365C (en) | 1991-08-15 | 1991-08-15 | Automatic answering and connecting method for micro-processor controlled PBX capable of direct inward dialing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1020365C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077756C (en) * | 1994-06-17 | 2002-01-09 | 村田机械株式会社 | Communicating terminal with function of connecting extension |
| CN101366075B (en) * | 2005-08-09 | 2016-04-20 | 移动声控有限公司 | The control center of voice controlled wireless communication device system |
-
1991
- 1991-08-15 CN CN 91105564 patent/CN1020365C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1077756C (en) * | 1994-06-17 | 2002-01-09 | 村田机械株式会社 | Communicating terminal with function of connecting extension |
| CN101366075B (en) * | 2005-08-09 | 2016-04-20 | 移动声控有限公司 | The control center of voice controlled wireless communication device system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1020365C (en) | 1993-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5619561A (en) | Call-waiting and caller identification with three-way conversations arrangements | |
| CA1270315A (en) | Busy/no-answer call completion equipment | |
| CA2573937C (en) | Communication handoff between telephone devices | |
| US4922526A (en) | Automated access facilities for use with key telephone systems | |
| US4935958A (en) | Busy/no-answer call completion equipment | |
| US3864519A (en) | Speech-gap-responsive control apparatus | |
| CN1122082A (en) | Disconnect signalling detection arrangement | |
| CN1113639A (en) | Method for interpreting dialled digits of a dialling sequence transmitted by a dialling means to a radio transceiver | |
| EP0198178A3 (en) | Method for testing telephone sets, line paths and parts of the control of telephone exchanges, especially private telephone exchanges | |
| CN1020365C (en) | Automatic answering and connecting method for micro-processor controlled PBX capable of direct inward dialing | |
| DE69028830T2 (en) | Cordless telephone | |
| CA2133682C (en) | Telecommunication system and method enabling a user to get access to automated call processing from a central station operating on pulse-dialling mode | |
| CN1133537A (en) | Method for separately calling a plurality of portable units in a radiotelephone system | |
| US3101393A (en) | Cordless type switchboard | |
| CN101136962A (en) | Telephone switching system and switching method thereof | |
| US5392341A (en) | Automatic telephone line monitoring and selection apparatus and method | |
| US4037059A (en) | Intercom system for a key telephone system | |
| CN86100092A (en) | Improved three relay central office trunk interface | |
| KR910005466B1 (en) | Compulsory call setting method in the same subscriber group | |
| US20030076943A1 (en) | Apparatus and method for unified tone detection | |
| CN1104152C (en) | Telephony device and telephone communication system incorporating such telephony device | |
| CN1159895C (en) | Digital program-controlled exchange signal tone detection equipment and method | |
| KR19980082968A (en) | How to automatically call continuously | |
| CN1332563A (en) | Method and equipment for integrated call and answer and automatic telephone switching in virtual network | |
| CN2131259Y (en) | Party-line system for multiple group-telephones |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |