CN1253023C - Blue tooth based Tianditong intellectual telephone system - Google Patents
Blue tooth based Tianditong intellectual telephone system Download PDFInfo
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- CN1253023C CN1253023C CN 02157936 CN02157936A CN1253023C CN 1253023 C CN1253023 C CN 1253023C CN 02157936 CN02157936 CN 02157936 CN 02157936 A CN02157936 A CN 02157936A CN 1253023 C CN1253023 C CN 1253023C
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Abstract
The present invention discloses a Tianditong intelligent telephone system based on a Bluetooth technique, which is composed of a mobile terminal, a Tianditong intelligent telephone terminal, a telephone set and a telecommunication operator server. The system combines a wire communication technique and a Bluetooth technique on the basis of existing fixed telephone networks, and wireless call service is transferred into fixed telephone service through the matching use of Bluetooth mobile phones, Bluetooth earphones and fixed telephones. Users can carry out mobile communication within a certain range, and the wireless conversation cost of users can be saved greatly.
Description
Technical field
The present invention relates to a kind of intelligent telephone system, belong to the communications field based on Bluetooth technology.
Background technology
The wireless communication business that present China does honest work flourish, basic based on the mobile operation field of GSM and CDMA just grows stronger day by day, and this has constituted huge threat to traditional fixed-line phone service.But wireless traffic also has the shortcoming of itself: as two-way charging, there are a lot of communication blind districts in the operation cost of great number and telephone expenses standard, network congestion problem of hot zones or the like.And traditional fixed-line phone service also has the advantage place of itself: have huge wired telephone network, cheap telephone expenses standard, stable performance and excellent communications quality etc.
By above analysis as can be known, if can bring into play the advantage of fixed-line phone service preferably, the value-added service of develop actively landline telephone, then fixed-line phone service will have new breakthrough.
Summary of the invention
In order to solve the problem that above-mentioned prior art exists, the purpose of this invention is to provide a kind of intelligent telephone system based on Bluetooth technology, this system is based on the existing fixed telephone network, cable communicating technology and Bluetooth technology have been merged, can realize the supporting use of bluetooth cellular phone, bluetooth earphone, landline telephone, make the user carry out mobile communication in certain scope.
For achieving the above object, by the following technical solutions:
A kind of wireless sensing intelligent telephone system based on Bluetooth technology, it is made up of portable terminal, wireless sensing intelligent phone terminal and telecom operators' server, described portable terminal is communicated by letter with the wireless sensing intelligent phone terminal by Bluetooth protocol, and the wireless sensing intelligent phone terminal is by PSTN (public switch telephone network) and telecom operators' server communication.
Described wireless sensing intelligent phone terminal comprises:
PSTN (public switch telephone network) interface circuit is used to receive the ringing-current that comprises ring, busy tone, dialing tone on the telephone wire, sends telephone number to outside line;
Microprocessor is used for realizing detection and the higher-layer protocols of control and bluetooth and the application that Bluetooth audio frequency inserts of telephone signal;
Local off hook signal produces circuit, is used to produce local off hook signal, the local off-hook of notice switch, its input termination microprocessor, its output termination PSTN interface circuit;
DTMF (dual-tone multifrequency) transceiver is used for sending and receiving dialed number, is connected with the PSTN interface circuit with microprocessor;
The busy tone testing circuit is used for detecting busy-back signal, and its input connects the PSTN interface circuit, and its output connects microprocessor;
Telecommunications service answer signal testing circuit is used for detecting the telecommunications service answer signal, and its input connects the PSTN interface circuit, and its output connects microprocessor;
Register/nullify successful indicating circuit, be used to refer to registration/nullify successfully, its input connects the output of microprocessor;
Local on-hook signal produces circuit, is used to produce local on-hook signal, the local on-hook of notice switch, and its input connects microprocessor, and its output connects the PSTN interface circuit;
Bluetooth chip has been realized the following bluetooth protocol repertory of HCI layer, supports data and voice communication, is connected with microprocessor;
Audio frequency processing circuit is used for bell signal, and voice signal becomes the voice signal that is applicable to that Bluetooth chip receives, and is connected with the PSTN interface circuit with Bluetooth chip;
Flash memory is used for storage system guidance code, bluetooth protocol repertory and application.
Described portable terminal both can be to support that the mobile phone of Bluetooth technology also can be bluetooth cellular phone and the bluetooth earphone that is used.
The design of described bluetooth earphone should meet the bluetooth earphone standard that Bluetooth SIG formulates, and has the function of service discovery and automatic pairing, identification.
Described telecom operators server is equipped with and is used for the log-on message of leading subscriber and the database of charge information.
A kind of method of using the wireless sensing intelligent telephone system based on Bluetooth technology to communicate, it may further comprise the steps:
1) when bluetooth cellular phone enters in the coverage of intelligent phone terminal, intelligent phone terminal starts service discovery protocol automatically, send query requests to bluetooth cellular phone, all information on services that RFCOMM connects to be needed are set up in extraction, after intelligent phone terminal inquires available information on services, begin to connect;
2) at first setting up physical link, is that the authentication and the encryption key of low layer conferred afterwards, then upwards successively sets up RFCOMM/L2CAP by bottom and connects, and after connecting, the application of bluetooth cellular phone just can have been uploaded sending voice at RFCOMM;
3) after intelligent phone terminal and bluetooth cellular phone connect, intelligent phone terminal is at first simulated off-hook and is sent special service number by the DTMF transceiver, after switch detects special service number, if system is not in a hurry, the user sends to switch with detected Bluetooth address, after switch receives,, accept user applies by the server process of telecom operators, and modification database, store this user's current location, and confirm that with a signal specific indication is succeeded in registration;
4) after user registration success, bluetooth cellular phone sends indication, and this moment, the user utilized the voice access function of intelligent phone terminal, can realize that calling and outgoing all pass through the fixed line of telecommunications and transmit, after conversation is finished, finish automatic cancellation and on-hook function by intelligent phone terminal.
5) leave the coverage of intelligent phone terminal when bluetooth cellular phone, intelligent phone terminal disconnects with bluetooth cellular phone automatically and being connected, and then call out the server of telecom operators automatically by shortcode, transmit user's bluetooth device address simultaneously, with the relevant registration of this Bluetooth address of user, finish cancellation in the delete database to this base.
Because the present invention has adopted above technical scheme, so have the following advantages:
1. wireless call business can be shifted is fixed-line phone service, has saved the obedient expense of wireless interface.
2. the cordless telephone service of realizing by mobile phone bluetooth function transfers wireless communication originally to fixed-line phone service, has saved the expense of getting of mobile phone.
3. for the client provides carry-on call service, formed new service business growth point.
Description of drawings
Fig. 1 is a system configuration schematic diagram of the present invention
Fig. 2 is the hardware principle block diagram of the logical intelligent phone terminal in the world of the present invention
Fig. 3 is a software protocol system assumption diagram of the present invention
Embodiment
As shown in Figure 1, native system mainly is made up of portable terminal 1, wireless sensing intelligent phone terminal 2 (trade name is the logical intelligent phone terminal in the world) and telecom operators' server 3, described portable terminal 1 is communicated by letter with the wireless sensing intelligent phone terminal by Bluetooth protocol, and wireless sensing intelligent phone terminal 2 is communicated by letter with telecom operators server 3 by PSTN (public switch telephone network).
Portable terminal 1 both can be to support that the mobile phone of Bluetooth technology also can be the bluetooth cellular phone and the bluetooth earphone of working in coordination and using.The design of bluetooth earphone should meet the bluetooth earphone standard that Bluetooth SIG formulates, and has the function of service discovery and automatic pairing, identification.
Bluetooth earphone uses with mobile phone, has made things convenient for people to free hand to drive or walking freely in conversation.Bluetooth wireless communication has removed the electric wire that is connected between earphone and the mobile phone, utilizes the mobile phone button to put through after the phone, and the user just can converse with the microphone and the loud speaker of earphone.
Answer and hang up function for the dynamic registration of realizing base and cancellation, phone mobile, the core design of native system is wireless sensing intelligent phone terminal 2.Wireless sensing intelligent phone terminal 2 can be finished multi-user's identification, number storage, automatic dialing and blue tooth voice access function, can support bluetooth earphone, the mobile phone terminal applies as wireless conversation.As shown in Figure 2, wireless sensing intelligent phone terminal 2 is by PSTN (public switch telephone network) interface circuit, microprocessor, local off hook signal produces circuit, DTMF (dual-tone multifrequency) transceiver, the busy tone testing circuit, successful indicating circuit is registered/nullified to telecommunications service answer signal testing circuit, and local on-hook signal produces circuit, Bluetooth chip, audio frequency processing circuit and flash memory are formed.
The PSTN interface circuit is made up of polar protective circuit, voltage-stabiliser tube and hybrid coil.The ringing-current that comprises ring, busy tone, dialing tone on the telephone wire can be realized receiving, and telephone number can be sent to outside line.
Microprocessor is used for realizing detection and the higher-layer protocols of control and bluetooth and the application that Bluetooth audio frequency inserts of telephone signal.
Local off hook signal produces the input termination microprocessor of circuit, output termination PSTN interface circuit.Local off hook signal produces circuit and is triggered by single-chip microcomputer (as the W77E58 of Taiwan winbond electronics), when user's off-hook, telephone set connects the load of about 300 Ω by hook switch, make whole telephone wire loop stream cross the electric current of about 30mA, switch just stops the ringing-current transmission after detecting this electric current, and line voltage distribution become tens volts direct current, complete connection.Mainly by the switch of a transistor switching circuit control relay, relay control inserts the 300 Ω resistance at telephone wire two ends to circuit for answering.Dislodging machine signaling is realized by making a delivery outlet become high level by single-chip microcomputer.Through two reverser driven for emitting lights diode indication off-hooks, change the base voltage of triode simultaneously, make triode be in conducting state, thereby open relay, relay makes resistance insert the telephone wire two ends.Because resistance is 300 Ω, make loop current become big, control circuit sends the signal of simulating off-hook to switch, and the switch responds off hook signal is finished telephone line and is connected.Its DTMF transceiver is used for sending and receiving various telephone numbers, is connected with the PSTN interface circuit with microprocessor.
The busy tone testing circuit is used for detecting busy-back signal, and its input connects the PSTN interface circuit, and its output connects microprocessor.Testing circuit uses LM567 to realize that when 3 pin of LM567 were input as the signal of 450Hz, 8 pin were output as low level.When 3 pin of LM567 were input as busy tone, 8 pin output frequencies were about 1.4Hz, and duty ratio is 0.5 square wave, and single-chip microcomputer detects busy-back signal by detecting this signal.
Telecommunications service answer signal testing circuit is used for detecting the telecommunications service answer signal, and its input connects the PSTN interface circuit, and its output connects microprocessor.
The successful indicating circuit of registration/cancellation is used to refer to registration/nullify successfully, and its input connects the output of microprocessor.
Local on-hook signal produces circuit and is triggered by single-chip microcomputer, produces local on-hook signal, the local on-hook of notice switch, and its input connects microprocessor, and its output connects the PSTN interface circuit.
Bluetooth chip is connected with microprocessor.Bluetooth chip comprises radio frequency synchronous circuit and the base band control circuit of 2.4G, and circuit provides and the complete compatible protocols stack of bluetooth 1.1 agreements, has realized the following bluetooth protocol repertory of HCI layer, supports data and voice communication.
Audio frequency processing circuit is responsible for the bell signal that phone is next, and voice signal becomes the voice signal that is applicable to that Bluetooth chip receives, and is connected with the PSIN interface circuit with Bluetooth chip.
Flash memory is used for storage system guidance code, bluetooth protocol repertory and application program.
Telecom operators' server is equipped with and is used for the log-on message of leading subscriber and the database of charge information.
The wireless sensing intelligent phone terminal utilizes the bluetooth core technology to realize the bluetooth base station functions, coverage is 10 meters, have blue tooth voice access, number storage and automatic dialing, it supports the terminal of bluetooth cellular phone as wireless conversation on the one hand, the phone of this moment will not use the wireless phone business of mobile operator by the transmission of fixed line circuit; Support on the other hand with the terminal applies of bluetooth earphone as wireless conversation.
Be example with the bluetooth cellular phone now, system's running is described below:
After the user has bought bluetooth cellular phone, should arrive first telecommunication department the Bluetooth address and the cell-phone number of own bluetooth cellular phone are registered, telecom operators distribute " bluetooth is a logical " number for your bluetooth cellular phone like this.
When using bluetooth cellular phone, need user's designated mobile phone whether to be dynamically connected certainly with intelligent phone terminal.When do not specify with intelligent phone terminal when being dynamically connected, mobile phone links to each other with mobile telephone network all the time.Do like this be because the user in the process that moves, if open the frequent registration that may cause from being dynamically connected to telecom operators.Registration needs certain hour, and after may just having registered by an intelligent phone terminal, the user leaves the coverage of this intelligent phone terminal again.Because temporarily can't realize the automatic switchover between intelligent phone terminal and the mobile base station, user's mobile meeting causes dropped calls.So the user does not need to use intelligent phone terminal sometimes.
If bluetooth cellular phone is made as from being dynamically connected, like this after the user enters in the coverage of intelligent phone terminal, intelligent phone terminal and bluetooth cellular phone match automatically, intelligent phone terminal obtains the Bluetooth address of bluetooth cellular phone automatically, and this Bluetooth address is sent to automatically the server of telecom operators, after the server of telecom operators is received user's Bluetooth address, finish " bluetooth the is logical " number of user mobile phone and the registration of base circuit.When the calling subscriber dialed " bluetooth is logical " number of called subscriber by landline telephone, the server of telecom operators judged whether the user has registered new base, if any, phone is transmitted by fixed line,, phone is transmitted by the mobile network if it's not true.After the user has left the coverage of intelligent phone terminal, intelligent phone terminal detects this information, and then user's Bluetooth address is sent to automatically the server of telecom operators, after the server of telecom operators detects this Bluetooth address once more, know that the user has left this Telephone set, finish the cancellation of user this base.
When the user need call by bluetooth cellular phone, the user can judge this moment, whether mobile phone linked to each other with intelligent phone terminal by the indicator light of observing mobile phone, if mobile phone sends indication (can be indicator light or the tinkle of bells or vibration etc.), show that mobile phone successfully registers by intelligent phone terminal, this moment, user's communication can transmit by fixed telephone line through intelligent phone terminal, but this moment, the user also can force to turn off the Bluetooth function of bluetooth cellular phone, selected to communicate by mobile telephone network; If mobile phone sends the indication (can be indicator light or the tinkle of bells or vibration etc.) that disconnects with network, show that mobile phone does not link to each other with any intelligent phone terminal (or not success of registration), this moment, phone can only transmit by mobile telephone network.
As shown in Figure 3, systems soft ware of the present invention mainly is the realization of bluetooth higher-layer protocols and application model, mainly comprises bluetooth lower layer protocol stack (HCI (host controller interface) is following), LMP (link manager protocol), L2CAP (logical link control and adaptation protocol), RFCOMM (serial circuit simulation protocol), SDP (service discovery protocol) and Application (application program).
Bluetooth lower layer protocol and combination of hardware are tight, make firmware by chip supplier usually and offer the user, and they are responsible for the management of physical link, formation, EDC error detect correction, encryption and the authentication of base band PDU (protocol Data Unit).
The LMP agreement is responsible for the foundation and the control of each equipment room link of bluetooth, also is used for the authentication and the encryption of secure context.
The L2CAP agreement is the logic link control and the adaptation layer of bluetooth, and it is a very important layer protocol in the bluetooth, all will use L2CAP in nearly all bluetooth applications model.It can finish adaptive between base band and upper-layer protocol, and by protocol multiplexing, cut apart and recombinate and be operating as high level and provide data service and classification to extract.
The RFCOMM agreement is a serial port simulation protocol of bluetooth, and it comprises transmission channel and the control mode of RS-232, and it can be realized easily by the transfer of the serial communication application model with cable to wireless serial communication field.
The SDP agreement is the basis of all application models, and the service discovery when it is responsible for mobile data terminal and inserts comprises registration, the search of service, the extraction of information on services etc.
Mainly realize the application that blue teeth wireless sensing intelligence system voice insert among the Application (application program), blue tooth voice access standard that this has used compatibility, and defined agreement and the function of supporting a certain application-specific.
When the user entered into the coverage of wireless sensing intelligent phone terminal, user's bluetooth cellular phone and intelligent phone terminal carried out from the step that is dynamically connected and disconnect as follows:
1. when bluetooth cellular phone enters in the coverage of intelligent phone terminal, intelligent phone terminal starts SDP (service discovery protocol) automatically, send query requests to bluetooth cellular phone, bluetooth cellular phone has a service discovering database (SDP Database), the Bluetooth address of service, attribute and bluetooth cellular phone that bluetooth cellular phone can provide is being write down in the inside, and SDP mechanism can be extracted and set up all information on services that RFCOMM connects to be needed.After intelligent terminal inquires available information on services, just can begin to connect.
2. at first needing to set up physical link, is that the authentication and the encryption key of low layer conferred afterwards.Then, make progress, successively set up RFCOMM/L2CAP and connect by bottom.After connecting, the application of bluetooth cellular phone just can have been uploaded sending voice at RFCOMM.
3. after intelligent phone terminal and bluetooth cellular phone connected, intelligent phone terminal at first realized simulating off-hook, after the switch of telecommunication department detects user's off-hook, the user sends special service number by the DTMF transceiver, after switch detects special service number, if system busy is sent busy tone.Whether intelligent terminal detects is busy tone, and in this way, user's follow-up supervention of delaying time send shortcode, is not in a hurry up to system.The user sends to switch with detected Bluetooth address then, after switch receives, by the server process of telecom operators, accepts user applies, and revises database, stores this user's current location, confirms with a signal specific then.After this intelligent phone terminal detected this confirmation signal, indication was succeeded in registration.After succeeding in registration, intelligent phone terminal begins to start speaking circuit work.
4. after user registration success, bluetooth cellular phone is indicated, and this moment, the user utilized the first access function of language of intelligent phone terminal, can realize that calling and outgoing all pass through the fixed line of telecommunications and transmit, after conversation is finished, finish automatic cancellation and on-hook function by intelligent phone terminal.When user's bluetooth cellular phone indication user did not link to each other with intelligent phone terminal, user's calling and outgoing just must be transmitted by mobile telephone network.
5. when bluetooth cellular phone leaves the coverage of intelligent phone terminal, intelligent phone terminal disconnects with bluetooth cellular phone automatically and being connected, and then call out the server of telecom operators automatically by shortcode, transmit user's bluetooth device address simultaneously, with the relevant registration of this Bluetooth address of user, finish cancellation in modification or the delete database to this base.
The above is preferred embodiment of the present invention only, and protection scope of the present invention is not limited thereto.Anyly all belong within protection scope of the present invention based on the equivalent transformation on the technical solution of the present invention.
Claims (5)
1, a kind of wireless sensing intelligent telephone system based on Bluetooth technology, it is made up of Bluetooth mobile terminal, wireless sensing intelligent phone terminal and telecom operators' server, described portable terminal is communicated by letter with the wireless sensing intelligent phone terminal by Bluetooth protocol, and the wireless sensing intelligent phone terminal is by PSTN and telecom operators' server communication;
Described wireless sensing intelligent phone terminal comprises:
The PSTN interface circuit is used to receive the ringing-current that comprises ring, busy tone, dialing tone on the telephone wire, sends telephone number to outside line;
Microprocessor is used for realizing the detection control of telephone signal and the application of bluetooth protocol repertory and voice access;
Local off hook signal produces circuit, is used to produce local off hook signal, the local off-hook of notice switch, its input termination microprocessor, its output termination PSTN interface circuit;
The DTMF transceiver is used for sending and receiving dialed number, transmits the communications and liaison signaling, is connected with the PSTN interface circuit with microprocessor;
The busy tone testing circuit is used for detecting busy-back signal, and its input connects the PSTN interface circuit, and its output connects microprocessor;
Telecommunications service answer signal testing circuit is used for detecting the telecommunications service answer signal, and its input connects the PSTN interface circuit, and its output connects microprocessor;
Register/nullify successful indicating circuit, be used to refer to registration/nullify successfully, its input connects the output of microprocessor;
Local on-hook signal produces circuit, is used to produce local on-hook signal, the local on-hook of notice switch, and its input connects microprocessor, and its output connects the PSTN interface circuit;
Bluetooth chip has been realized the following bluetooth protocol repertory of HCI layer, supports data and voice communication, is connected with microprocessor;
Audio frequency processing circuit is used for bell signal, voice signal are become the voice signal that is applicable to that Bluetooth chip receives, and is connected with the PSTN interface circuit with Bluetooth chip;
Flash memory is used for storage system guidance code, bluetooth protocol repertory and application program.
2, the wireless sensing intelligent telephone system based on Bluetooth technology as claimed in claim 1 is characterized in that: described portable terminal both can be to support that the mobile phone of Bluetooth technology also can be bluetooth cellular phone and the bluetooth earphone that is used.
3, the wireless sensing intelligent telephone system based on Bluetooth technology as claimed in claim 2, it is characterized in that: the design of described bluetooth earphone should meet the bluetooth earphone standard that Bluetooth SIG formulates, and has the function of service discovery and automatic pairing, identification.
4, the wireless sensing intelligent telephone system based on Bluetooth technology as claimed in claim 1 is characterized in that: described telecom operators server is equipped with and is used for the log-on message of leading subscriber and the database of charge information.
5, a kind of described method that communicates based on the wireless sensing intelligent telephone system of Bluetooth technology of claim 1 of using, it may further comprise the steps:
1) when bluetooth cellular phone enters in the coverage of intelligent phone terminal, intelligent phone terminal starts service discovery protocol automatically, send query requests to bluetooth cellular phone, all information on services that RFCOMM connects to be needed are set up in extraction, after intelligent phone terminal inquires available information on services, begin to connect;
2) at first setting up physical link, is that the authentication and the encryption key of low layer conferred afterwards, is then made progress by bottom, successively sets up RFCOMM/L2CAP and connects, and after connecting, the application of bluetooth cellular phone just can have been uploaded sending voice at RFCOMM;
3) after intelligent phone terminal and bluetooth cellular phone connect, intelligent phone terminal is at first simulated off-hook and is sent special service number by the DTMF transceiver, after switch detects special service number, if system is not in a hurry, the user sends to switch with detected Bluetooth address, after switch receives,, accept user applies by the server process of telecom operators, and modification database, store this user's current location, and confirm that with a signal specific indication is succeeded in registration;
4) after user registration success, bluetooth cellular phone sends indication, and this moment, the user utilized the voice access function of intelligent phone terminal, can realize that calling and outgoing all pass through the fixed line of telecommunications and transmit, after conversation is finished, finish automatic cancellation and on-hook function by intelligent phone terminal.
5) leave the coverage of intelligent phone terminal when bluetooth cellular phone, intelligent phone terminal disconnects with bluetooth cellular phone automatically and being connected, and then call out the server of telecom operators automatically by shortcode, transmit user's bluetooth device address simultaneously, with the relevant registration of this Bluetooth address of user, finish cancellation in the delete database to this base.
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| CN 02157936 CN1253023C (en) | 2002-12-20 | 2002-12-20 | Blue tooth based Tianditong intellectual telephone system |
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| CN 02157936 CN1253023C (en) | 2002-12-20 | 2002-12-20 | Blue tooth based Tianditong intellectual telephone system |
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| CN1510934A CN1510934A (en) | 2004-07-07 |
| CN1253023C true CN1253023C (en) | 2006-04-19 |
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| CN 02157936 Expired - Fee Related CN1253023C (en) | 2002-12-20 | 2002-12-20 | Blue tooth based Tianditong intellectual telephone system |
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1808928B (en) * | 2005-01-17 | 2010-11-03 | 智邦科技股份有限公司 | Method of receiving network telephone with Blue Teeth earphone |
| JP2008022368A (en) * | 2006-07-13 | 2008-01-31 | Sanyo Electric Co Ltd | Mobile communication terminal and speech communication switching method |
| CN101141147B (en) * | 2006-09-07 | 2011-03-02 | 中兴通讯股份有限公司 | Bluetooth voice gateway, bluetooth mobile phone and service authentication method thereof |
| CN101202982B (en) * | 2006-12-13 | 2012-10-10 | 中兴通讯股份有限公司 | Method and system for implementation of fixed network mobile syncretizing note business |
| CN101365234B (en) * | 2007-08-09 | 2011-07-27 | 中国电信股份有限公司 | Service hierarchical discrimination method in Bluetooth cordless telephone system |
| CN101119556B (en) * | 2007-08-23 | 2011-01-19 | 中兴通讯股份有限公司 | Cordless telephone device and method of communication using the same |
| CN101753179A (en) * | 2009-12-17 | 2010-06-23 | 东南大学 | VoIP-PSTN hybrid intelligent terminal based on Bluetooth and working method thereof |
| CN102325312A (en) * | 2011-07-08 | 2012-01-18 | 山东大学 | System for automatically detecting bluetooth mobile phone and registering call transfer through fixed telephone |
| CN103796332A (en) * | 2012-10-31 | 2014-05-14 | 深圳市云通时代科技开发有限公司 | Voice communication method and device |
| CN103516401A (en) * | 2013-09-29 | 2014-01-15 | 国家电网公司 | Method for cooperatively processing information between smart phone and telephone set through Bluetooth wireless pairing |
| CN103747154A (en) * | 2014-01-27 | 2014-04-23 | 中国联合网络通信集团有限公司 | Call processing method and home gateway |
| US10666785B2 (en) | 2014-07-28 | 2020-05-26 | Huawei Technologies Co., Ltd. | Bluetooth communication method and device |
| WO2016061787A1 (en) * | 2014-10-23 | 2016-04-28 | 林圣梁 | Wearable electronic device and telephone device using same |
| CN104507034B (en) * | 2014-11-24 | 2018-09-18 | 小米科技有限责任公司 | Equipment connection method, device and terminal device |
| CN104780273A (en) * | 2015-03-30 | 2015-07-15 | 武汉智慧城市研究院股份有限公司 | Intelligent fixed-line telephone cloud terminal |
| CN105141345A (en) * | 2015-06-25 | 2015-12-09 | 小米科技有限责任公司 | Voice communication method and device |
| CN106210265A (en) * | 2016-06-22 | 2016-12-07 | 李玉婷 | A kind of mobile terminal and the automatic connection method of Telephone set |
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