CN1525721A - An automatic call transfer method for Bluetooth earphone - Google Patents
An automatic call transfer method for Bluetooth earphone Download PDFInfo
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- CN1525721A CN1525721A CNA031052789A CN03105278A CN1525721A CN 1525721 A CN1525721 A CN 1525721A CN A031052789 A CNA031052789 A CN A031052789A CN 03105278 A CN03105278 A CN 03105278A CN 1525721 A CN1525721 A CN 1525721A
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- 238000012546 transfer Methods 0.000 title claims description 8
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- 230000008569 process Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
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Abstract
The invention discloses a method for automatic call shift of Bluetooth earphone. The method includes: the Bluetooth earphone couples with the gateway, and enters the searching state; in the searching state, the earphone is in call scanning mode, the gateway call the earphone; the gateway create connection to the earphone and assures the quality has enough security, then the earphone and the gateway enter the holding state; in the holding state, if the quality is stable, the gateway registers the mobile phone number fixed network, the ear phone and the gateway enters the on-line state; in the on-line state, when the fixed telephone call the mobile phone, the call is transformed to the gateway, then uses the Bluetooth earphone to receive the call; in the on-line state, the close and connection between the earphone and the gateway or the quality is decreased to the threshold value, the gateway logouts the mobile phone number, the gateway and mobile phone enters the searching state. When the earphone and the gateway have the cal shifting function, the user needn't to bear the interruption and fading of mobile phone signal, the quality is upgraded. The saves the speak time, at the same time; it prolongs the communication and waiting time.
Description
Technical field
The present invention relates to the Bluetooth technology in the wireless communication field.
Background technology
In the prior art, exist a kind of short-distance wireless communication technology that is called as bluetooth (Bluetooth), it is operated in ISM (industry-science-medical treatment) frequency range of 2.4GHz.The piconet (Piconet) that the basic network topology of bluetooth is made up of a main control device and maximum seven slaves adopts the mode of time division multiple access (TDMA) to communicate between main control device and the slave.Utilize Bluetooth technology, can various device be coupled together in low-cost mode.The special interest group of bluetooth (Special Interest Group, be called for short SIG) be the non-government organization that formulates and instruct Bluetooth specification and application, in the earpiece application framework (Headset Profile) of its definition, a kind of approach that utilizes Bluetooth technology to realize wireless headset has been proposed, promptly, voice gateways and earphone all are equipped with the blue teeth wireless transceiver module, utilize bluetooth to carry out the transmission of voice and simple control signaling.Voice gateways link to each other with speech source.Such scheme has solved the inconvenient problem of wired earphone, makes the user break away from the constraint of cable, has a good application prospect.
Bluetooth earphone can be used to receive calls.If gateway is connecting landline telephone, gateway can be answered incoming call and be transferred on the bluetooth earphone, continues conversation by bluetooth earphone.This gateway generally is placed in family or the office.If the user has mobile phone, he can transfer the call to this gateway, and answers with bluetooth earphone.
After bluetooth earphone and gateway increase appropriate functional, can substitute the scheme of existing " mobile phone rest station "." mobile phone rest station " can be transferred to a fixed line calling handset on the fixed line that is connecting, and saved mobile phone and answered required expense.But the user need be placed on mobile phone and shows on " mobile phone rest station " equipment that mobile phone gets home, and equipment is registered to fixed network with the telephone number of mobile phone; Take up and show that mobile phone leaves, equipment is nullified the telephone number of mobile phone to fixed network." mobile phone rest station " equipment is laid also inconvenient.Bluetooth earphone and gateway cooperating can be realized automatic registration and unregistration phone number, by wireless connections, have saved the requirement of " mobile phone rest station " necessary line between them.
This scheme can be saved cost of the phone call, can save the electromagnetic radiation in the mobile phone communication again.Owing to be by fixed telephone network, the voice quality of answering also increases.Also freedom and flexibility very in the use.Bluetooth earphone is battery-driven, has only limited electric weight, needs to consider the power saving of bluetooth earphone.
Summary of the invention
Primary and foremost purpose of the present invention is to provide bluetooth earphone call transfer method under the above-mentioned situation of a kind of realization.Above-mentioned purpose mainly is that the method by the function that increases gateway and bluetooth earphone realizes.Described method comprises step:
(a) bluetooth earphone and gateway match mutually, and gateway obtains the telephone number of bluetooth cellular phone simultaneously, and bluetooth earphone and gateway enter search condition simultaneously.Both sides can obtain the other side's bluetooth baseband address during pairing, and the key of generation is encrypted as when conversation and used;
(b) under search condition, bluetooth earphone periodically is in page scan (Page Scan) pattern, and gateway is according to paging (Page) bluetooth earphone of the base band address cycle of bluetooth earphone, and attempt and bluetooth earphone connect.
(c) if setting up to go up with bluetooth earphone, gateway connects, gateway uses the HCI order " Read_RSSI " that defines in bluetooth standard to read signal strength signal intensity indication (RSSI) value of link between gateway and bluetooth earphone, when this value shows that signal quality is on assign thresholds, or gateway uses standard HCI order " Get_Link_Quality " to obtain the link quality information of 1 byte numerical value, this numerical tabular clear signal quality is on assign thresholds the time, speech quality between bluetooth earphone and the gateway can obtain enough guarantees, and at this moment bluetooth earphone and gateway are in hold mode.
(d) under hold mode, bluetooth earphone and gateway continue circulation execution in step (b), if satisfying the cumulative time, the condition of step (c) reaches assign thresholds, it is stable when the connection between bluetooth earphone and the gateway is described, at this moment gateway is registered to the telephone number of mobile phone in the fixed network, and bluetooth earphone and gateway enter on line state simultaneously;
(e) under on line state, all transfer on the gateway during landline telephone calling handset, answer conversation by bluetooth earphone then;
(f) under on line state, if conversation does not take place, bluetooth earphone and gateway continue circulation execution in step (b), if the cumulative time that the condition of step (c) is not satisfied reaches assign thresholds, illustrate that the quality between the logical gateway of bluetooth earphone can not be guaranteed, perhaps bluetooth earphone has left the sphere of action of gateway, and at this moment gateway is to the telephone number of fixed-line telephone network transmission information cancellation mobile phone, and bluetooth earphone and gateway enter search condition once more then.
The order that step is carried out generally is: (a) (b) (c) (d) (e) (f).
After bluetooth earphone and gateway have possessed call forwarding function of the present invention, incoming call will transmit by fixed telephone line, rather than the mobile network, so the user needn't stand the interference and the decay of mobile phone signal, speech quality increases.The landline telephone calling handset all forwards earphone receiving to by fixed network, at this moment is free, has saved cost of the phone call greatly.The part of the mobile phone task of answering is finished by bluetooth earphone, and bluetooth earphone is answered the energy consumption that required energy consumption will be significantly less than mobile phone, so also indirect prolongation the conversation and the stand-by time of mobile phone.This method has also fully taken into account the power saving of bluetooth earphone.Bluetooth earphone all is periodically to enter page scan mode under each state, and the power consumption of this pattern is very low, and less than a milliampere, this makes that the stand-by time of bluetooth earphone is very long.Simultaneously bluetooth earphone when required energy consumption is answered than mobile phone when answering conversation required energy consumption much lower, this makes that also the air time of bluetooth earphone is more much longer than mobile phone.
Description of drawings
By describing the preferred embodiments of the present invention in detail, will help to understand objects and advantages of the present invention by accompanying drawing.Wherein:
Fig. 1 is the system block diagram of bluetooth earphone (gateway or earphone);
Fig. 2 is a state transition graph of explaining bluetooth earphone and gateway;
Fig. 3 is a flow chart of explaining pairing process between bluetooth earphone and the gateway;
Fig. 4 is a flow chart of explaining gateway search bluetooth earphone process;
Fig. 5 is the flow chart of explaining when gateway and bluetooth earphone are online.
Embodiment
Fig. 1 is the system block diagram of bluetooth earphone (gateway or earphone).In Fig. 1, bluetooth earphone equipment 100 is made up of plurality of function modules.Wherein, bluetooth earphone phone application 110 provides the various functions of earphone to the user, and its needed voice are provided by baseband controller 150; Needed control signaling is provided by FRCOMM agreement 120.The variety of protocol on standard communication protocol L2CAP (logical connection control and adapting protocol) 130 multiplexed upper stratas.HCI (HCI) driver 175 allows transmission standard HCI order and receives the response that causes thus; And receive and send data by L2CAP 130.HCI transport layer 180 is optional, when the upper-layer functionality module of HCI transport layer when the lower floor functional module is moved on different processor platforms, the HCI transport layer is responsible for the information transmission of intermodule, and the physical transfer mode of employing may be RS232, USB, UART, PCI or PCMCIA; When above-mentioned two generic modules operated in same processor platform, modes such as shared drive, parameter transmission, message were adopted in the information transmission, no longer need this transport layer.
Link manager 180 is responsible for receiving order and the data that upper layer module sends, and the result is returned to the upper strata.Link manager 180 is finished function corresponding by baseband controller 150 and wireless transmitter 160.LMP Link Manager Protocol 140 is used for the intercommunication mutually between the different Bluetooth devices link manager.Baseband controller 150 is according to the command operation of link manager 180.Wireless transmitter 160 wirelessly sends and receives information according to the specification of standard.
Fig. 2 explains the state transition graph of bluetooth earphone and gateway.Bluetooth earphone and gateway can enter search condition (S210), hold mode (S220) respectively and connect machine state (S230).After finishing, bluetooth earphone and gateway pairing process enter search condition.When gateway can connect with bluetooth earphone and after speech quality can be guaranteed, they just entered hold mode (S240).If connection and quality assurance time do not reach assign thresholds, they are return to search (S250) again.If the cumulative time reaches assign thresholds, gateway is registered to phone number in the fixed network, and is transformed on line state (S260).If when connection disconnection between bluetooth earphone and the gateway or speech quality dropped to assign thresholds, gateway was nullified phone number to fixed network, bluetooth earphone and gateway enter search condition (S270).
Fig. 3 is a flow chart of explaining pairing process between bluetooth earphone and the gateway.Bluetooth earphone is in paging and inquiry scan mode, accepts inquiry and paging signal (S310) from gateway.When the user presses pairing key (S320), gateway begins to seek bluetooth earphone (S330) according to the device type attribute.If find, gateway is with bluetooth earphone connect (S340).In the process that connects, gateway uses the PIN code " 0000 " of bluetooth earphone acquiescence, forms key (S350) and preservation, uses when connect next time.Verification process when key is used to connect and the ciphering process behind the link setup.The user follows the telephone number (S360) of input handset.Last bluetooth machine and gateway all enter search condition (S370).
Fig. 4 is a flow chart of explaining gateway search bluetooth earphone process.Bluetooth earphone periodically enters page scan mode (S410).At this moment inquiry scan being closed is to allow other bluetooth equipment can not find this bluetooth earphone, avoids unnecessary trouble, has also reached purpose of energy saving simultaneously.Gateway periodically enters page-mode, initiates the request of connecting (S420) according to the base band address of bluetooth earphone.The failure S430 if bluetooth earphone not in the sphere of action of gateway, connects), at this moment gateway is being initiated connection request (S435) again behind one section random time.If bluetooth earphone is in the sphere of action of gateway, then connect successfully (S440), at this moment gateway sends HCI order, i.e. Read_RSSI order (S445), perhaps Get_Link_Quality order (S450) is in order to judge the speech quality between bluetooth earphone and the gateway.If speech quality does not reach specified threshold value (S460), gateway then disconnects link, initiates connection request (S470) behind one section random time again.If reach specified threshold value, speech quality guaranteed (S480) is described, gateway and bluetooth earphone just enter hold mode (S490).
Fig. 5 is the flow chart of explaining when gateway and bluetooth earphone are online.If speech quality reaches assign thresholds and kept the time span of appointment (S510), just to the telephone number (S520) of fixed network registration mobile phone, gateway and bluetooth earphone enter on line state (S530) to gateway simultaneously.In the meantime, if fixed line calling handset (S540) is arranged, gateway is with setting up a synchronization link between bluetooth earphone, and gateway will be called out to pass and receive on the bluetooth earphone, continue conversation (S550).When if connection disconnection between bluetooth earphone and the gateway or speech quality drop to assign thresholds (S560), gateway is then nullified the telephone number (S570) of mobile phone to fixed network, and bluetooth earphone and gateway enter search condition (S580) then.
Though the present invention illustrates and describes with reference to its preferred embodiment, but will be understood by those skilled in the art that, under the situation of the spirit and scope of the present invention that do not break away from the appended claims and limited, can carry out the various changes of form and details.
Claims (1)
1. automatic call transfer method of bluetooth earphone, it is characterized in that: described method comprises step:
(a) bluetooth earphone and gateway match mutually, enter search condition;
(b) under search condition, bluetooth earphone is in page scan mode, gateway paging bluetooth earphone;
(c) gateway connects with bluetooth earphone and confirms that speech quality has enough guarantees, and bluetooth earphone and gateway enter hold mode;
(d) under hold mode, if speech quality is stable, gateway is registered to fixed network with phone number, and bluetooth earphone and gateway enter on line state;
(e) under on line state, all transfer on the gateway during landline telephone calling handset, answer conversation by bluetooth earphone then;
(f) under on line state, be connected between bluetooth earphone and gateway and disconnect or speech quality when dropping to assign thresholds, gateway is nullified phone number to fixed network, and gateway and earphone enter search condition.
The order that step is carried out generally is: (a) (b) (c) (d) (e) (f).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03105278.9A CN1235384C (en) | 2003-02-26 | 2003-02-26 | An automatic call transfer method for Bluetooth earphone |
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| Application Number | Priority Date | Filing Date | Title |
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| CN03105278.9A CN1235384C (en) | 2003-02-26 | 2003-02-26 | An automatic call transfer method for Bluetooth earphone |
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| CN1525721A true CN1525721A (en) | 2004-09-01 |
| CN1235384C CN1235384C (en) | 2006-01-04 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101360075B (en) * | 2008-09-12 | 2011-02-09 | 华为技术有限公司 | Grouped gateway and method for saving power consumption |
| CN101222245B (en) * | 2007-01-08 | 2012-07-25 | 中国电信股份有限公司 | Method for implementing call forwarding service processing by Bluetooth terminal, and Bluetooth system thereof |
| CN103826182A (en) * | 2014-03-11 | 2014-05-28 | 宁波翼动通讯科技有限公司 | Method for carrying out talkback by Bluetooth headsets |
| CN106105279A (en) * | 2014-03-20 | 2016-11-09 | 三星电子株式会社 | The method of transfer is called between equipment |
| CN113271385A (en) * | 2021-05-20 | 2021-08-17 | 涂哲 | Call forwarding method |
| CN116887388A (en) * | 2023-09-06 | 2023-10-13 | 荣耀终端有限公司 | Communication processing method, electronic device and storage medium |
-
2003
- 2003-02-26 CN CN03105278.9A patent/CN1235384C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101222245B (en) * | 2007-01-08 | 2012-07-25 | 中国电信股份有限公司 | Method for implementing call forwarding service processing by Bluetooth terminal, and Bluetooth system thereof |
| CN101360075B (en) * | 2008-09-12 | 2011-02-09 | 华为技术有限公司 | Grouped gateway and method for saving power consumption |
| CN103826182A (en) * | 2014-03-11 | 2014-05-28 | 宁波翼动通讯科技有限公司 | Method for carrying out talkback by Bluetooth headsets |
| CN106105279A (en) * | 2014-03-20 | 2016-11-09 | 三星电子株式会社 | The method of transfer is called between equipment |
| CN106105279B (en) * | 2014-03-20 | 2019-12-10 | 三星电子株式会社 | Method for call transfer between devices |
| CN113271385A (en) * | 2021-05-20 | 2021-08-17 | 涂哲 | Call forwarding method |
| CN113271385B (en) * | 2021-05-20 | 2023-07-04 | 涂哲 | Call forwarding method |
| CN116887388A (en) * | 2023-09-06 | 2023-10-13 | 荣耀终端有限公司 | Communication processing method, electronic device and storage medium |
| CN116887388B (en) * | 2023-09-06 | 2023-12-01 | 荣耀终端有限公司 | Communication processing method, electronic device and storage medium |
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|---|---|
| CN1235384C (en) | 2006-01-04 |
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Denomination of invention: An automatic call transfer method for Bluetooth earphone Effective date of registration: 20180115 Granted publication date: 20060104 Pledgee: Huaxia Bank Limited by Share Ltd. Beijing subbranch Pledgor: Flying Rescue Medical Technology (Beijing) Co.,Ltd. Registration number: 2018990000041 |
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