CN101547264A - Full automatic voice communication system - Google Patents

Full automatic voice communication system Download PDF

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Publication number
CN101547264A
CN101547264A CN200810084248A CN200810084248A CN101547264A CN 101547264 A CN101547264 A CN 101547264A CN 200810084248 A CN200810084248 A CN 200810084248A CN 200810084248 A CN200810084248 A CN 200810084248A CN 101547264 A CN101547264 A CN 101547264A
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server
full automatic
voice communication
module
automatic voice
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CN200810084248A
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王沛
丁言波
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Guangzhou Yifeng Communication Science & Technology Co Ltd
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Guangzhou Yifeng Communication Science & Technology Co Ltd
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Abstract

The invention discloses a full automatic voice communication system, which comprises a sound control dialing platform and at least one one key type full automatic voice communication device, wherein the sound control dialing platform is positioned on a position of a communication operator; and the one key type full automatic voice communication devices are distributed in various users, and realize information interaction through a telecommunication network; and the sound control dialing platform comprises an IVS device, an ASR server, a database server, a Web server, a short message/billing server, a seat server and the like, can make the users easily realize multiple functions such as voice dialing, voice short message sending, voice searching and the like in a one tap dial mode.

Description

A kind of full automatic voice communication system
Technical field
The present invention relates to a kind of full automatic voice communication system, relate in particular to a kind of full automatic voice communication system of forming by acoustic-controlled dialing platform and a plurality of one-touch full automatic voice communication device, belong to telephone communicating technology field.
Background technology
Along with the progress of expanding economy and society, it is frequent day by day that the information interchange between the people becomes.Under this background, phone has become people's essential information media of communication in daily life.In making telephonic process, the problem that people generally run into is difficult to search needed telephone number exactly.For convenience people when calling, save the worry of searching telephone number, people have carried out deep research, generally believe under present technical conditions, in view of having breakthrough progress aspect the accuracy of speech recognition technology, therefore dial with voice dial mode replacing key-press formula, promptly directly telling the other side's name with tongue, by voice terminal identification and automatic coupling telephone number corresponding, is the effective means that addresses this problem.
The patent No. is that 03240639.8 Chinese utility model patent " two-stage type speech recognition phone number exhalation device " is exactly the cross-section study achievement in this field.This device carries out speech recognition to the number class of need grouping.The user carries out voice training to telephone number grouping class name.After having shown described packet numbers, before Outgoing Call, use the voice command that trains, the voice call machine is discerned these orders, selects and transfer to telephone number corresponding.
But above-mentioned telephone number exhalation device only can be realized the function of phonetic dialing, and the scope of application is very limited.Along with the development of speech recognition technology, people are developed and new man-machine interaction voice system.This technology is open in 200510114477.3 the application for a patent for invention at application number, and its method comprises the steps: to receive by the audio frequency input unit user's audio input data; By the automatic speech recognition step user's audio input data is handled, converted thereof into corresponding instruction; According to global location unit execution command search database and generate human-machine interactive information with the user as a result; Described human-machine interactive information is exported by the phonetic synthesis unit.This patent application has strengthened the fail safe of driver in driving procedure, and has increased natural language understanding technology, makes human-computer dialogue have more hommization, and the user need not to remember complicated order, and institute thinks promptly said.
In addition, be in the patent of invention of ZL99125249.7 in the patent No., a kind of information service system and method for interactive telephone phonetic disclosed.The user is by the telephone network access server side; The user's voice signal receives through inserting with Switching Module, and through speech-recognition services module identification services classification and location; The server end of purpose urban node enters professional flow process through message control module, the user can with system interaction.This invention can be completely achieved the remote information service by communication of user and system.
In the patent No. is in the patent of invention of ZL 02159244.6, a kind of interactive telephone phonetic system is disclosed, comprise: main control unit, be used to create the functional unit of an above working cell and each inside, working cell, and the exchanges data and the storage of the message of coming and going in the control system; At least one working cell, be used to realize the interactive voice process of whole system, each working cell further comprises and is used for realizing the sight navigation elements that interactive voice process logical process, system dynamics configuration and information provide and is used to realize Audio Processing Unit to the various processing of call voice; Wherein, the sight navigation elements provides equipment to link to each other with external information, and Audio Processing Unit links to each other with the call voice integrated circuit board.This invention also discloses a kind of method that realizes interactive telephone phonetic simultaneously, this system and method can be discerned the current input voice of user exactly, and back-up system is handled with different guiding logics, to guarantee the normal operation of system, not only improve the disposal ability and the efficient of system, and the user that is more convenient for uses.
But existing interactive telephone phonetic technology still exists controls inconvenient problem, also can't provide to send voice SMS and carry out value-added service such as phonetic search, therefore still needs further to be improved.
Summary of the invention
The purpose of this invention is to provide a kind of full automatic voice communication system.This system is made up of acoustic-controlled dialing platform in the machine room that is arranged on the common carrier appointment and a plurality of one-touch full automatic voice communication device that is distributed in the user place.
For realizing above-mentioned goal of the invention, the present invention adopts following technical scheme:
A kind of full automatic voice communication system is characterized in that:
Described full automatic voice communication system comprises an acoustic-controlled dialing platform and at least one one-touch full automatic voice communication device;
Described acoustic-controlled dialing platform is positioned at the common carrier place, and described one-touch full automatic voice communication device is distributed among each user, and described acoustic-controlled dialing platform and described one-touch full automatic voice communication device are realized information interaction by communication network;
Described acoustic-controlled dialing platform comprises IVS equipment, ASR server, database server, Web server, note/accounting server, the server of attending a banquet, described IVS equipment connects the switch at common carrier place, described Web server connects the business support operation system at common carrier place, and described note/accounting server connects the Short Message Service Gateway at common carrier place.
Wherein, described IVS equipment connects described ASR server, note/accounting server and database server respectively, described note/accounting server connects described database server, and described database server connects described Web server and the described server of attending a banquet respectively.
Described IVS equipment has voice data processing module, other data processing module, signaling processing module and TCP/IP network communication module.
Described ASR server has sound identification module and phonetic synthesis module.
Described note/accounting server has short message network module and accounting module, and wherein said short message network module is connected with the short message service center of mobile operator by the Short Message Service Gateway interface, and described accounting module is connected with the charging billing and accounting system by billing interface.
Described voice data processing module connects described sound identification module and described phonetic synthesis module respectively, and described other data processing module connects described note/accounting server and described database server respectively.
Described one-touch full automatic voice communication device comprises Bluetooth chip, control unit, echo and noise canceller circuit, power module, microphone and power amplifier unit, wherein said power module connects described Bluetooth chip, described Bluetooth chip connects described echo and noise canceller circuit, described echo is connected described microphone and power amplifier unit respectively with noise canceller circuit, and described control unit is connected with described Bluetooth chip.
Described one-touch full automatic voice communication device comprises at least one button, and described button is connected with described control unit, dials the spy who presets and obeys access code so that trigger described control unit by this button.
Full automatic voice communication system provided by the present invention can allow the user realize phonetic dialing like a cork, send voice SMS and carry out multinomial functions such as phonetic search with a key dial mode acoustic-controlled dialing platform and the combination dexterously of one-touch full automatic voice communication device.
Description of drawings
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the hardware structure schematic diagram of acoustic-controlled dialing platform;
Fig. 2 is the inner function module schematic diagram of acoustic-controlled dialing platform;
Fig. 3 is the inner function module schematic diagram of one-touch full automatic voice communication device;
Fig. 4 is the systemic-function schematic diagram of full automatic voice communication system;
Fig. 5 is the operation flow schematic diagram of full automatic voice communication system.
Embodiment
This full automatic voice communication system is made up of acoustic-controlled dialing platform and a plurality of one-touch full automatic voice communication device (abbreviation voice communication device) that is distributed in the user place.The acoustic-controlled dialing platform is arranged in the machine room of common carrier appointment as the center service system that every interactive voice service is provided.Voice communication device is distributed among each user in the mode of car phone or fixing (moving) phone.Realize information interaction by existing mobile radio communication or fixed-line telephone network between them.Particularly, the user presses " PTT " key in the voice communication device, should the predetermined spy of " PTT " key binding obey access code.Voice communication device is dialed this spy by mobile radio communication or fixed-line telephone network and is obeyed access code, thereby realizes information interaction with the acoustic-controlled dialing platform.The acoustic-controlled dialing platform is called, sends multinomial telecommunication value-added services such as voice SMS and phonetic search by the voice menu navigate mode for the user provides.
At first introduce the acoustic-controlled dialing platform among the present invention below.Fig. 1 has shown the hardware structure of this acoustic-controlled dialing platform, comprises IVS equipment, ASR server, database server, Web server, note/accounting server, the server etc. of attending a banquet.Realize information interaction based on ICP/IP protocol between these equipment.In addition, IVS equipment carries out information interaction by the switch of ISUP/TUP agreement and common carrier side, the BOSS system of Web server and common carrier side (business support operation system) communicates, and note/accounting server connects the Short Message Service Gateway of common carrier side.In addition, the fire compartment wall that adapts to the carrier class application also is installed, connects Internet by this fire compartment wall in acoustic-controlled dialing platform inside.
The telecom carrier-class device that the hardware using of this acoustic-controlled dialing platform is highly reliable can reach the purpose of System Expansion by simple stack.Database Systems hardware can carry out dilatation and function easily and divide combination according to the scale capacity of system.Can improve the reliability of hardware platform and the stability of operation by the backup hardware mode simultaneously.
Fig. 2 is the inner function module schematic diagram of acoustic-controlled dialing platform.Wherein, IVS equipment inserts PSTN (public switch telephone network) on the one hand, connects ASR server, note/accounting server and database server on the other hand respectively.Note/accounting server connects Short Message Service Gateway on the one hand, connects database server on the other hand.The data-interface layer of database server inside connects Web server respectively and the data in server interface layer of attending a banquet, so that exchange data each other.
IVS (Interactive Voice Search, interactive voice search) equipment is the control centre of acoustic-controlled dialing platform, also is to realize one of key technology point of the present invention.It is on the basis of IVR (Interactive Voice Response, interactive voice answering) technology, at elevator system information search function and dilatation demand and custom-designed.Its core mainly comprises voice data processing module, signaling processing module and TCP/IP network communication module.Wherein, voice data processing module and other data processing module service application processing layer, signaling processing module and TCP/IP network communication module are positioned at the service application supporting layer.Signaling processing module communicates by the switch among signalling system No.7 and the PSTN (public switch telephone network).The voice data processing module respectively with the ASR server in speech recognition be connected with the phonetic synthesis module, other data processing module connects note/accounting server and database server respectively.
The specific embodiments of above-mentioned IVS equipment has two kinds: first kind of scheme is at the application below the 16E1 time, can adopt simple server and integrated circuit board to make up and realize; Second kind of scheme is to adopt ripe switch to realize the application that 16E1 is above, particularly based on the Related product under the NGN notion, such as: Keygoe series multimedia switch is advanced in east, just can realize the information search function and the dilatation demand of acoustic-controlled dialing platform in conjunction with the support programs of independent development.
For the acoustic-controlled dialing platform, IVS equipment provides the operation platform of automatic business process, and automatic business process is controlled.In the running of automatic business process, will call and manage the related resource (as voice resource, data resource, note/charging resource etc.) in the above-mentioned acoustic-controlled dialing platform, be used for the interaction of voice, the transmitting-receiving of note etc., it is the operation flow that realizes as shown in Figure 5 that its typical case uses.Realize interconnecting by E1, ISUP/TUP by IVS equipment between acoustic-controlled dialing platform and the outside different office directions.Concerning the user, need only then according to Voice Navigation, can use functions such as acoustic-controlled dialing, voice SMS and phonetic search easily with the special clothes of making call access code (such as 1258XXX).
ASR (Automated Speech Recognition, automatic speech recognition) server comprises speech recognition and two functional modules of phonetic synthesis, uses up-to-date speech recognition technology and speech synthesis technique respectively.Speech recognition technology is that a kind of speech conversion with the people is the technology of text.The English full name of speech synthesis technique TTS is Text To Speech, and its process and speech recognition technology are just opposite, is the text conversion that occurs arbitrarily in the computer is become natural and tripping voice output.At present, speech recognition technology and speech synthesis technique be comparative maturity all, can support the identification of multiple different accents.The user need not to carry out in advance voice training, only need dial special clothes Number for access, according to voice suggestion the user is carried out Voice Navigation, directly says name of contact person, and system just can transfer automatically.
Database server is divided into user data and system data two parts with data, and wherein user data is used to store user and contact person's thereof information, and system data is used for the operation information of storage system inside.Database server adopts the server of high reliability and high stability, has the high processing performance, can effectively bear data loading, oracle warehouse-in process, handle the hardware requirement of various statisticss, foreground application request and other affairs.
Web server is the service of providing support of Web website.This Web website mainly is to employ the service platform that the family provides address list inquiry, interpolation deletion contact person, sends functions such as note, sending short messages in groups, interpolation event notification, charge querying, new user's registration, cancellation for speech communication.The user can visit system by the Internet network; this Web server must can guarantee the safe handling of system under the protection of fire compartment wall; Web server provides the structure of two network interface cards, so that the LAN of system and Internet are disconnected on physical layer.
What the server of attending a banquet mainly adopted is that the operator attendance mode of answering is carried out accepting of user's request, is that multiple functions such as collection information consultation, subscriber data modification and suggestion collection are the service platform of one.
Note/accounting server comprises short message network module and accounting module, and the Short Message Service Gateway and the charging center of this server and carrier side connect each other, supports short message service and billing function.Particularly, the short message network module links to each other with the short message service center of mobile operator by the Short Message Service Gateway interface, is user-friendly to the various information of way of short messages download and inquiry.Accounting module uses the ticket writing of native system to send in the charging billing and accounting system, so that system and charging billing and accounting system are carried out checking of ticket the user by billing interface.
In above-mentioned acoustic-controlled dialing platform, the IVS equipment operation can provide higher reliability, telescopic high-performance business on (SuSE) Linux OS.(SuSE) Linux OS belong to the comparatively OS Type of mature and reliable, so the unfailing performance of system accesses guarantee because the characteristic of its opening, portable and Multi-User Multi-Task is used widely in critical system.Other server operates under the Windows 2003 server platforms, can satisfy the user in use friendly interface requirement, be convenient to the operation and stable performance.
Data base management system (DBMS) is selected the database support platform of Oracle as system, and the oracle database conduct is one of most popular database platform in the world, is subjected to the favor of industry with its superior powerful database develop function.System is based upon database just to big capacity, on the storage of high reliability and the support of management.
Application software among the present invention adopts modularized design, has self check self-test function preferably, guarantees system's reliability service by self-management, and system provides the application interface of standard, and the application demand that can be new business provides preferably to be supported.
The major function of above-mentioned acoustic-controlled dialing platform is an acoustic-controlled dialing, also comprises some miscellaneous functions, comprising: download of information, acoustic control address list management, message management, messaging agent, event notification etc.Carry out specific description below respectively:
1. acoustic-controlled dialing
The user uses this service by dialing special clothes access code, go out name of contact person according to speech recognition after, the number information according to the databases storage carries out call forwarding again;
2. download of information
According to the contact name that speech recognition goes out, from database, take out contact person's relevant information, download to user mobile phone by note again.
3. acoustic control address list management
After the foundation registration of phone number as authentication of acoustic control address book service with everyone, can in several ways associated person information be registered in the system, only need say the name of contact person that configures in the address list during use and can call out its phone.
4. message management
Message-leaving function is that the registered user sets in advance message, and when the calling subscriber called out this user, system plays message information also sent to the calling subscriber with the form of text by mobile phone short message.
5. messaging agent
Note more and more becomes indispensable a kind of communication mode in people's life, is not nothing the matter but carry out input in Chinese on mobile phone, and the user can use note transmission agent functionality to make the transmission of short message become quick.
The user can carry out note for sending out by following dual mode:
By operator attendance information is sent to designated contact: user's operator attendance platform of making a telephone call to, tell the content of operator's waiting message and targeted customer's phone number, then the operator realizes the transmission of short message by note/accounting server.
Carry out this operation by the Web website: the user is by the Web website of the special use of login system setting, and input individual's service number and service password etc. are selected the note sending function, can send the mobile phone of note to appointment.
6. event notification
It is the function that sends reminder message before incident arrives from trend user's mobile phone that customized event is reminded.Comprise two kinds of forms: recurrent event is reminded and disposable event notification.In a single day recurrent event is reminded and will be remained valid after the definition, unless the user deletes it.And disposable event notification is after incident takes place, and being provided with of this incident will be removed automatically by system.
Fig. 3 is the inner function module schematic diagram of one-touch full automatic voice communication device.This voice communication device mainly is made up of Bluetooth chip, control unit, echo and noise canceller circuit etc., also comprises power module, indicator light, microphone and power amplifier unit etc.Wherein power module connects Bluetooth chip.This Bluetooth chip connects indicator light on the one hand with display working condition, connects echo and noise canceller circuit on the other hand.This echo is connected microphone and power amplifier unit respectively with noise canceller circuit.Control unit is by chip microcontroller, and it is connected with Bluetooth chip to control the operating state of this chip.The spy that this control unit is also stored full automatic voice communication system obeys access code." PTT " key is realized being connected on the signal of telecommunication with control unit, obeys access code so that dial this spy by this button trigger control unit.
By each above-mentioned functional module, the basic function that voice communication device can be achieved as follows:
1. network connects: intelligence coupling bluetooth cellular phone, set up stable the connection.
2. outgoing call: key dialing (spy who makes telecom operators provide is provided obeys access code) as 1258XXX.
3. calling is answered: a key hand-free call.
4. volume is regulated: scalable hand-free call volume also can connect earphone and carry out the privacy conversation.
5. power supply guarantee: can use external (or vehicle-mounted) power supply, also can use built-in chargeable battery.
Fig. 4 is the systemic-function schematic diagram of full automatic voice communication system.The present invention obeys access code with the spy of acoustic-controlled dialing system and is bundled on the button of one-touch full automatic voice communication device, the user only need just can enter the acoustic-controlled dialing system by this key, and follow-up operation of calling operation, the operation of transmission voice SMS and phonetic search can be navigated according to the voice menu of acoustic-controlled dialing system and be finished automatically.
The major function of this full automatic voice communication system comprises Push-to-Talk, voice SMS and phonetic search etc.These functions can be realized by system business process figure shown in Figure 5, are illustrated respectively below.
The Push-to-Talk function aims at traffic safety and comfortableness and designs.After on the automobile one-touch full automatic voice communication device being installed, the car owner takes sb's mind off sth driving not need hand telephone set when making a phone call and receiving calls, not only when incoming call answering, the user only needs can receive calls by a key gently, specifically when calling, directly on voice communication device, just dial, send voice SMS automatically or use the phonetic search function in hands-free mode by a key.The fail safe and the convenience of driving have been improved like this.
The main performing step of voice SMS is: (1) user enters system by dialing special clothes access code; (2) Voice Navigation is carried out to the user in the qualified back of system verification subscriber data, and the user records on-hook behind one section voice according to voice suggestion; (3) system calling is called, if connect then play voice SMS; If not connect, then send note and dial certain number to called prompting and listen note.Voice SMS is also supported to reply, is transmitted, the mass-sending function, conveniently carry out intragroup information circular, inform.
Phonetic search is that the spy obeys access code such as 1258XXX enters system when the user dials, Voice Navigation is carried out to the user in the qualified back of system verification subscriber data, according to voice suggestion, the user says the keyword of wanting search content, the information of coupling is searched by system in database, if the match is successful, then feed back match information one by one to the user.
More than full automatic voice communication system of the present invention is had been described in detail.For one of ordinary skill in the art, any conspicuous change of under the prerequisite that does not deviate from connotation of the present invention it being done all will constitute to infringement of patent right of the present invention, with corresponding legal responsibilities.

Claims (8)

1. full automatic voice communication system is characterized in that:
Described full automatic voice communication system comprises an acoustic-controlled dialing platform and at least one one-touch full automatic voice communication device;
Described acoustic-controlled dialing platform is positioned at the common carrier place, and described one-touch full automatic voice communication device is distributed among each user, and described acoustic-controlled dialing platform and described one-touch full automatic voice communication device are realized information interaction by communication network;
Described acoustic-controlled dialing platform comprises interactive voice search equipment, automatic speech recognition server, database server, Web server, note/accounting server, the server of attending a banquet, described interactive voice search equipment connects the switch at common carrier place, described Web server connects the business support operation system at common carrier place, and described note/accounting server connects the Short Message Service Gateway at common carrier place.
2. full automatic voice communication system as claimed in claim 1 is characterized in that:
Described interactive voice search equipment connects described automatic speech recognition server, note/accounting server and database server respectively, described note/accounting server connects described database server, and described database server connects described Web server and the described server of attending a banquet respectively.
3. full automatic voice communication system as claimed in claim 1 is characterized in that:
Described interactive voice search equipment has voice data processing module, other data processing module, signaling processing module and TCP/IP network communication module.
4. full automatic voice communication system as claimed in claim 1 is characterized in that:
Described automatic speech recognition server has sound identification module and phonetic synthesis module.
5. full automatic voice communication system as claimed in claim 1 is characterized in that:
Described note/accounting server has short message network module and accounting module, and wherein said short message network module is connected with the short message service center of mobile operator by the Short Message Service Gateway interface, and described accounting module is connected with the charging billing and accounting system by billing interface.
6. as any described full automatic voice communication system in the claim 3~5, it is characterized in that:
Described voice data processing module connects described sound identification module and described phonetic synthesis module respectively, and described other data processing module connects described note/accounting server and described database server respectively.
7. full automatic voice communication system as claimed in claim 1 is characterized in that:
Described one-touch full automatic voice communication device comprises Bluetooth chip, control unit, echo and noise canceller circuit, power module, microphone and power amplifier unit, wherein said power module connects described Bluetooth chip, described Bluetooth chip connects described echo and noise canceller circuit, described echo is connected described microphone and power amplifier unit respectively with noise canceller circuit, and described control unit is connected with described Bluetooth chip.
8. full automatic voice communication system as claimed in claim 7 is characterized in that:
Described one-touch full automatic voice communication device comprises at least one button, and described button is connected with described control unit, dials the spy who presets and obeys access code so that trigger described control unit by this button.
CN200810084248A 2008-03-27 2008-03-27 Full automatic voice communication system Pending CN101547264A (en)

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CN102572757A (en) * 2011-11-30 2012-07-11 深圳市五巨科技有限公司 Charging method and system for interactive voice response service
CN102946499A (en) * 2012-11-14 2013-02-27 广州市讯飞樽鸿信息技术有限公司 Visual voice mail system and method applicable to same
CN103971683A (en) * 2013-01-24 2014-08-06 上海果壳电子有限公司 Voice control method and system and handheld device
CN104202491A (en) * 2014-09-25 2014-12-10 北京橙鑫数据科技有限公司 Method for handling customer service telephone call and device thereof
CN104394277A (en) * 2014-11-28 2015-03-04 深圳市赛格导航科技股份有限公司 Vehicular telephone device and system and vehicular telephone substitutive dialing method
CN107479854A (en) * 2017-08-30 2017-12-15 谢锋 A kind of projecting apparatus and projecting method
CN112509575A (en) * 2020-11-26 2021-03-16 上海济邦投资咨询有限公司 Financial consultation intelligent guiding system based on big data

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CN1744636A (en) * 2005-09-29 2006-03-08 易凯 Mobile switchboard equipment and method for providing Group service using same
CN101018259A (en) * 2006-02-08 2007-08-15 中国电信股份有限公司 Telecom integrated information system and method
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Cited By (12)

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Publication number Priority date Publication date Assignee Title
CN102143270A (en) * 2011-04-08 2011-08-03 广东好帮手电子科技股份有限公司 Mobile phone car telephone communication method and device on the basis of bluetooth function
CN102143270B (en) * 2011-04-08 2015-11-18 广东好帮手电子科技股份有限公司 A kind of mobile phone car phone means of communication based on Bluetooth function and equipment
CN102572757A (en) * 2011-11-30 2012-07-11 深圳市五巨科技有限公司 Charging method and system for interactive voice response service
CN102946499A (en) * 2012-11-14 2013-02-27 广州市讯飞樽鸿信息技术有限公司 Visual voice mail system and method applicable to same
CN102946499B (en) * 2012-11-14 2015-10-14 广州市讯飞樽鸿信息技术有限公司 Visual voice mail system and be applied to the method for visual voice mail system
CN103971683A (en) * 2013-01-24 2014-08-06 上海果壳电子有限公司 Voice control method and system and handheld device
CN104202491A (en) * 2014-09-25 2014-12-10 北京橙鑫数据科技有限公司 Method for handling customer service telephone call and device thereof
WO2016045479A1 (en) * 2014-09-25 2016-03-31 北京橙鑫数据科技有限公司 Customer service call processing method and apparatus
CN104202491B (en) * 2014-09-25 2017-03-22 北京橙鑫数据科技有限公司 Method for handling customer service telephone call and device thereof
CN104394277A (en) * 2014-11-28 2015-03-04 深圳市赛格导航科技股份有限公司 Vehicular telephone device and system and vehicular telephone substitutive dialing method
CN107479854A (en) * 2017-08-30 2017-12-15 谢锋 A kind of projecting apparatus and projecting method
CN112509575A (en) * 2020-11-26 2021-03-16 上海济邦投资咨询有限公司 Financial consultation intelligent guiding system based on big data

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Application publication date: 20090930