CN206865562U - Utilize the mobile phone subordinate machine system of Wi Fi networks - Google Patents
Utilize the mobile phone subordinate machine system of Wi Fi networks Download PDFInfo
- Publication number
- CN206865562U CN206865562U CN201720455402.XU CN201720455402U CN206865562U CN 206865562 U CN206865562 U CN 206865562U CN 201720455402 U CN201720455402 U CN 201720455402U CN 206865562 U CN206865562 U CN 206865562U
- Authority
- CN
- China
- Prior art keywords
- mobile phone
- network
- unit
- machine system
- audio coding
- 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.)
- Active
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
A kind of mobile phone subordinate machine system using Wi Fi networks is the utility model is related to, including：Mobile telephone main unit, Wi Fi routers and mobile phone extension unit, mobile phone extension unit includes at least one mobile phone extension set, mobile telephone main unit and mobile phone extension unit are respectively connected to Wi Fi routers, mobile telephone main unit is transmitted into mobile phone extension set after the wireless communication encoded speech data for receiving external communication device, is received mobile phone extension set by the Wi Fi speech datas of Wi Fi network transmissions and is transmitted to external communication device.The above-mentioned mobile phone subordinate machine system using Wi Fi networks, virtual extension function is realized using Wi Fi routers, wireless voice data and Wi Fi speech datas are interacted, realize the extension function of mobile phone.
Description
Technical field
Telephone extension system field is the utility model is related to, is analyzed more particularly to using the mobile phone of Wi-Fi network
System.
Background technology
In recent years, developing rapidly with wireless communication technology and development of Mobile Internet technology, possess mobile communication function and
The mobile phone of wireless internet function, it is the Portable mobile electronic device of representative in the daily life of people particularly using smart mobile phone
More and more important role is play in work.Nowadays, mobile phone gradually replaces telephone, and it is main to turn into people
Means of communication, many families and small business have not used telephone.For most of enterprise, it can still adopt
Connection mode is used as by the use of telephone.But for more remote enterprise of the enterprise of some scale is smallers or some office spaces
Industry, telephone wires design process is cumbersome, cost is higher wastes with also easily causing resource.At present, it is main using mobile electricity
Words replace telephone.But each mobile phone has its each number, if enterprise uses mobile phone as normal
Means of communication, different employees use different numbers, the shared contact method of communication can not be realized between each user, to visitor
Searched for family and memory number is very cumbersome.
Utility model content
Based on this, it is necessary to can not share contact method problem for mobile phone, there is provided a kind of using Wi-Fi network
Mobile phone subordinate machine system.
A kind of mobile phone subordinate machine system using Wi-Fi network, including：Mobile telephone main unit, Wi-Fi routers and shifting
Mobile phone extension unit, wherein, the mobile phone extension unit includes at least one mobile phone extension set；
The mobile telephone main unit and the mobile phone extension unit are respectively connected to the Wi-Fi routers, the Wi-
Fi routers are used to launch Wi-Fi network；
The mobile telephone main unit is used to receive the channel radio language that external communication device is transmitted by mobile communications network
Sound data, it will be transmitted after the wireless communication encoded speech data by the Wi-Fi network to the external communication device institute
In mobile phone extension set corresponding to the extension of choosing, and receive the mobile phone extension set and transmitted by the Wi-Fi network
Wi-Fi speech datas, and will be transmitted after the Wi-Fi encoded speech datas by the mobile communications network to the outside
In communication equipment.
Mobile phone subordinate machine system of the present utility model using Wi-Fi networks, including mobile telephone main unit, Wi-Fi route
Device and mobile phone extension unit, wherein mobile phone extension unit include at least one mobile phone extension set, respectively will be mobile
Main station and mobile phone extension set are respectively connected to Wi-Fi routers, and mobile telephone main unit receives the wireless of external communication device
Call voice data are simultaneously forwarded to mobile phone extension set, then receive the Wi-Fi speech datas of mobile phone extension set and are transferred to
External communication device, the information exchange of external communication device and mobile phone extension set is completed by using mobile telephone main unit, can
To realize single mobile phone node by multiple mobile phone extension set nodes sharings.It is route in the utility model using Wi-Fi
Device realizes virtual extension function, in the case of without using telephone exchange, realizes the extension function of mobile phone, a side
Face can realize that mobile phone contact method is shared, and facilitate client to remember the contact method of enterprise.On the other hand, without wiring,
Set simply, reduce entreprise cost.
Brief description of the drawings
Fig. 1 is the mobile phone subordinate machine system structural representation using Wi-Fi network in the utility model embodiment；
Fig. 2 is the structural representation of mobile telephone main unit in the utility model embodiment；
Fig. 3 is the structural representation of mobile phone extension set in the utility model embodiment.
Embodiment
For the ease of understanding the utility model, Wi-Fi network is utilized to of the present utility model below with reference to relevant drawings
Mobile phone subordinate machine system be described in detail.
Such as Fig. 1 to Fig. 3, a kind of mobile phone extension unit system using Wi-Fi network, including mobile telephone main unit
10th, Wi-Fi routers 20 and mobile phone extension unit 30.Wherein, mobile telephone main unit 10 and mobile phone extension unit 30
Wi-Fi routers are connected by wireless network.
A kind of mobile phone subordinate machine system using Wi-Fi network, including：Mobile telephone main unit 10, Wi-Fi routers 20
With mobile phone extension unit 30, wherein, mobile phone extension unit includes at least one mobile phone extension set.Mobile phone master
Machine 10 and mobile phone extension unit 30 are respectively connected to Wi-Fi routers 20, and Wi-Fi routers 20 are used to launch Wi-Fi network.
Mobile telephone main unit 10 is used to receive the wireless communication voice that external communication device is transmitted by mobile communications network
Data, it will be transmitted after wireless communication encoded speech data by Wi-Fi network to the extension pair selected by external communication device
The mobile phone extension set answered, and the Wi-Fi speech datas that mobile phone extension set is transmitted by the Wi-Fi network are received, and will
Transmitted after Wi-Fi encoded speech datas by the mobile communications network to the external communication device.Wherein, channel radio language
Sound data refer to transmit to the speech data of mobile telephone main unit as caused by external communication device and by mobile communications network,
Wi-Fi speech datas refer to transmit to the voice of mobile telephone main unit as caused by mobile telephone main unit and by Wi-Fi network
Data.
Mobile telephone main unit 10 is used to receive wireless communication speech data of the external communication device by communication network transmission,
Moved being transmitted after wireless communication encoded speech data by Wi-Fi network corresponding to the extension selected to external communication device
In extension, the Wi-Fi speech datas that are transmitted by Wi-Fi network of mobile phone extension set are received and by Wi-Fi speech datas
After coding by communication network transmission into external communication device.Mobile phone extension set encodes for receiving mobile telephone main unit 10
Wireless communication speech data afterwards, and Wi-Fi speech datas caused by mobile phone extension set are sent to mobile telephone main unit.
Mobile telephone main unit 10 possesses wireless communication function and Wi-Fi connection function, can be received by communication network outer
The wireless Wi-Fi speech datas of portion's communication equipment, and will lead to after the wireless Wi-Fi speech datas real-time coding of external communication device
Cross Wi-Fi network and be sent to the mobile phone extension set of mobile phone extension unit 30, while mobile phone extension set can also be received
The Wi-Fi speech datas of mobile phone extension set in unit 30 will simultaneously pass after the Wi-Fi encoded speech datas of mobile phone extension set
External communication device is transported to, so as to realize the Wi-Fi of the wireless Wi-Fi speech datas of external communication device and mobile phone extension set
The seamless interaction of speech data.
Wi-Fi routers 20 are mainly used in building wireless network, are mobile telephone main unit 10 and mobile phone extension unit
30, which carry out data interaction, provides wireless network.
Mobile phone extension unit 30 possesses voice signal encoding and decoding and output function, while also possesses Wi-Fi connection work(
Can, the wireless Wi-Fi speech datas of the external communication device of the transmission of mobile telephone main unit 10 can be received, can be by mobile phone
The Wi-Fi speech datas of mobile phone extension set in extension unit 30 are transmitted into mobile telephone main unit by Wi-Fi network, real
The extension function of existing mobile phone.
The above-mentioned mobile phone subordinate machine system using Wi-Fi network, including mobile telephone main unit, Wi-Fi routers and shifting
Mobile phone extension set, wherein mobile telephone main unit receive the wireless communication speech data of external communication device and are forwarded to mobile phone
Extension set, then receive the Wi-Fi speech datas of mobile phone extension set and be transferred to external communication device, utilize mobile telephone main unit
The Wi-Fi speech datas of the wireless communication speech data of external communication device and mobile phone extension set are entered with Wi-Fi routers
Row interaction, it is possible to achieve single mobile phone node is by multiple mobile extension nodes sharings.Wi-Fi is utilized in the utility model
Router realizes virtual extension function, in the case of without using telephone exchange, realizing mobile phone (such as mobile phone)
It extension function, on the one hand can realize that mobile phone contact method is shared, facilitate client to remember the contact method of enterprise.The opposing party
Face, it is simple without connecting up, setting, reduce entreprise cost.
Further, as shown in Fig. 2 in the present embodiment, the mobile telephone main unit 10 includes：First microcontroller
101st, radio communication MODEM units 102, the first Wi-Fi adapter units 103, data storage 105, the first audio coding decoding
The power supply 107 of unit 106 and first.First microcontroller 101 connects radio communication MODEM units 102, the first Wi-Fi respectively
Adapter unit 103, the audio coding decoding unit 106 of data storage 105 and first.
Radio communication MODEM units 102 are used to receive the channel radio that external communication device is transmitted by mobile communications network
Speech data is talked about, and by wireless communication voice data transmission to the first audio coding decoding unit 106, the first audio coding decoding unit
106 pairs of wireless communication speech datas encode, then by the wireless communication voice data transmission after coding to the first microcontroller
Device 101, the first microcontroller 101 send the wireless communication speech data after coding to the extension number selected by external communication device
In mobile phone extension set corresponding to code.First microcontroller 101 receives Wi-Fi speech datas caused by mobile phone extension set, and
Wi-Fi speech datas are encoded using the first audio coding decoding unit 106, then utilize radio communication MODEM units 102
Wi-Fi speech datas after coding are transmitted to external communication device by mobile communications network.
First Wi-Fi adapter units 103 are mainly used in accessing Wi-Fi routers.
Data storage 104 is used for the storage to wireless Wi-Fi speech datas and call voice data.
First power supply 107 connects the first microcontroller 101, radio communication MODEM units 102, the first Wi-Fi adaptations respectively
The audio coding decoding unit 106 of device unit 103 and first, powered for these devices.
Mobile telephone main unit is interacted using between above-mentioned each device unit, receives the wireless of external communication device
Wireless Wi-Fi speech datas real-time coding is simultaneously transmitted into mobile phone extension set completion and mobile phone by Wi-Fi speech datas
Information exchange between extension set, and by the call voice data transfer of mobile phone extension set to external communication device, complete with it is outer
Information exchange between portion's communication equipment.
Further, the mobile telephone main unit 10 also includes：Display unit 104, wherein display unit 104 connect respectively
First microcontroller 101 and the first power supply 107.
Further, in the present embodiment, described display unit 104 is liquid crystal display.Display unit 104 is main
For showing that mobile telephone main unit 10 accesses wireless network situation, wireless Wi-Fi speech datas and call voice data transfer
Situation etc..Liquid crystal display has small low operating voltage, low in energy consumption, abundant information, small volume, quality, long lifespan, without spoke
Penetrate, the advantages that word and figure and intuitive display of complexity can be shown.
Further, in the present embodiment, the radio communication MODEM units are GSM communication modules.At present, numeral letter
Number transmission mainly carried out using existing communication net, but existing communication net is mainly used in transmitting analog signal, numeral letter
Number it cannot directly enter existing communication network.Data signal has to pass through a conversion process, disappears what is represented in digital form
Breath becomes suitable for the analog signal of common communications transfers on network, and this process is called modulation.Analog signal is turned after receive information
Data signal is turned to, is called the inverse transformation process of " demodulation ".Realize that this conversion, the equipment of inverse transformation process are referred to as modulation /demodulation
Device, i.e. MODEM.MODEM also has timing, waveform formation, bit synchronization and carrier wave extensive in addition to completing the modulation and demodulation of data
Multiple and corresponding interface control function, some also have the unit such as AGC and circuit group delay property balanced device, to improve data biography
Defeated q＆r.The operation principle of wireless modem is the data signal for data communication in the mould with wired bandwidth
Intend being wirelessly transferred and being designed on channel, modulation-demodulation technique is closely combined with Radio Transmission Technology, data
Signal is launched after ovennodulation in a manner of wireless electromagnetic wave, it is not necessary to traditional wire medium.Gsm communication mould
Block mainly has two kinds of circuit switching and SMS communication, and the former is mainly used in speech communication at circuit switching, and electricity is beaten similar to mobile phone
Words mode, general wireless modem need peripheral earphone, the latter's short message communication is equally similar to be received with mobile phone without built-in microphone and receiver
Send short messages mode, wireless modem realizes that circuit switching and SMS communication mode are required to daemon software to handle.Gsm communication mould
GPS and gsm module are combined together by block, built-in microcontroller, have automatic regular polling and all parameter remote controls
Etc. function.
Further, in the present embodiment, as shown in figure 3, the mobile phone extension set includes：Second microcontroller 301,
Second audio coding decoding unit 302, Wi-Fi adapter units 303, microphone 304, power amplifier 305, loudspeaker 306 with
And second source 307.
Second microcontroller 301 connects the second audio coding decoding unit 302 and the 2nd Wi-Fi adapter units 303 respectively,
Second audio coding decoding unit connects microphone 304 and power amplifier 305 respectively, and power amplifier 305 connects loudspeaker
306。
Second microcontroller 301 receives the wireless Wi-Fi speech datas after the coding of phone host system transmission, utilizes sound
Frequency codec unit 302 decodes to the wireless Wi-Fi speech datas after coding, then by decoded wireless voice data
Signal power amplification is carried out by power amplifier 305, wireless Wi-Fi speech datas are played finally by loudspeaker 306.Separately
Outside, the second microcontroller 301 receives the Wi-Fi speech datas of microphone 304, and Wi-Fi voice data transmissions is electric to movement
Talk about main frame.
2nd Wi-Fi adapter units 303 are mainly used in accessing Wi-Fi routers.
Second source 307 connects the second microcontroller 301, the second audio coding decoding unit 302, the 2nd Wi-Fi and fitted respectively
Orchestration unit 303 and power amplifier 305, powered for these devices.
Further, in the present embodiment, first microcontroller can be single-chip microcomputer.
Further, in the present embodiment, second microcontroller can be single-chip microcomputer.Single-chip microcomputer is central processing
Device, memory, Timer/Counter, various input/output interfaces etc. are all integrated in the miniature calculating on one piece of IC chip
Machine.Compared with applying the universal microprocessor in PC, it more emphasizes that confession should (not having to external hardware) and saving
Cost.Its great advantage is small volume, can be placed on gauge internal, convenient use.
Further, in the present embodiment, the first audio coding decoding unit can be audio coding decoding chip.
Further, in the present embodiment, the second audio coding decoding unit can be audio coding decoding chip.
With the development of multimedia technology, requirement more and more higher of the people to multimedia audio.In the process of record sound
In, there is stronger advantage with analogy method using digital method Billy, such as noise resisting ability is strong during transmission, increases audio dynamic
Scope, multiple pirate recordings do not have signal attenuation etc., but the data volume of digital audio record is big, on the one hand in transmitting procedure, it is necessary to
Take very wide transmission bandwidth；On the other hand, it is necessary to take substantial amounts of memory space in storing process.Therefore, in digital sound
Need to use audio compression and decompression technique, i.e. audio encoding ＆ decoding technology in frequency.
Audio coding decoding chip is a kind of wieldy multifunctional encoder, and a variety of audio formats can be encoded
And decoding, conversion precision is high, is widely used in player, Internet Protocol telephone, mobile device.Alternatively, audio coding decoding
Chip can be VS1063A-L audio coding decoding chips, Philip SAA775X series codec chip, Telechips
TCC730/TCC731 series codec chips etc..
With reference to Fig. 1 to Fig. 3, the utility model is using the operation principle of the mobile phone subordinate machine system of Wi-Fi network：It is first
A mobile telephone main unit 10 and mobile phone extension unit (i.e. multiple mobile phone extension sets) are first accessed into Wi-Fi routers
Wi-Fi network where 20, the radio communication MODEM that number card (SIM/UIM/USIM cards) is inserted to mobile telephone main unit 10 are mono-
In member 102, the extension of mobile phone extension set is selected, the device wireless communication is tested and Wi-Fi connection function is normal.In work
When making, when external communication device, which connects mobile telephone main unit 10, to be conversed, external communication device user is prompted to select extension set
Number, mobile telephone main unit 10 receives the wireless Wi-Fi speech datas of external communication device after selection, by wireless Wi-Fi
It is sent to after encoded speech data by Wi-Fi network in the mobile phone extension set corresponding to the extension of caller's selection,
Simultaneously the Wi-Fi speech datas that mobile phone extension set transmits can also be received, and by the Wi-Fi speech datas of mobile phone extension set
Coded transmission is to external communication device, so as to realize the extension function of mobile phone.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
- A kind of 1. mobile phone subordinate machine system using Wi-Fi network, it is characterised in that including：Mobile telephone main unit, Wi-Fi Router and mobile phone extension unit, wherein, the mobile phone extension unit includes at least one mobile phone extension set；The mobile telephone main unit and the mobile phone extension unit are respectively connected to the Wi-Fi routers, the Wi-Fi roads It is used to launch Wi-Fi network by device；The mobile telephone main unit is used to receive the wireless communication voice number that external communication device is transmitted by mobile communications network According to will be transmitted after the wireless communication encoded speech data by the Wi-Fi network to selected by the external communication device Mobile phone extension set corresponding to extension, and receive the Wi-Fi that the mobile phone extension set is transmitted by the Wi-Fi network Speech data, and set being transmitted after the Wi-Fi encoded speech datas by the mobile communications network to the PERCOM peripheral communication It is standby.
- 2. the mobile phone subordinate machine system according to claim 1 using Wi-Fi network, it is characterised in that the movement Main station includes：First microcontroller, radio communication MODEM units, the first Wi-Fi adapter units, data storage, One audio coding decoding unit and the first power supply；First microcontroller connects the radio communication MODEM units, the first Wi-Fi adapter units, institute respectively State data storage and the first audio coding decoding unit；First power supply connects first microcontroller, the radio communication MODEM units, the first Wi-Fi respectively Adapter unit and the first audio coding decoding unit.
- 3. the mobile phone subordinate machine system according to claim 2 using Wi-Fi network, it is characterised in that the movement Main station also includes：Display unit, the display unit connect the microcontroller and the power supply respectively.
- 4. the mobile phone subordinate machine system according to claim 1 using Wi-Fi network, it is characterised in that at least one institute Stating mobile phone extension set includes：It is second microcontroller, the second audio coding decoding unit, the 2nd Wi-Fi adapter units, transaudient Device, power amplifier, loudspeaker and second source；Second microcontroller connects the second audio coding decoding unit and the 2nd Wi-Fi adapter units respectively；The second audio coding decoding unit connects the microphone and the power amplifier respectively；The power amplifier connects the loudspeaker；The second source connects second microcontroller, the second audio coding decoding unit, the 2nd Wi-Fi respectively Adapter unit and the power amplifier.
- 5. the mobile phone subordinate machine system according to claim 3 using Wi-Fi network, it is characterised in that the display Unit is liquid crystal display.
- 6. the mobile phone subordinate machine system according to claim 2 using Wi-Fi network, it is characterised in that described wireless The MODEM units that communicate are GSM communication modules.
- 7. the mobile phone subordinate machine system according to claim 2 using Wi-Fi network, it is characterised in that described first Microcontroller is single-chip microcomputer.
- 8. the mobile phone subordinate machine system according to claim 4 using Wi-Fi network, it is characterised in that described second Microcontroller is single-chip microcomputer.
- 9. the mobile phone subordinate machine system according to claim 2 using Wi-Fi network, it is characterised in that described first Audio coding decoding unit is audio coding decoding chip.
- 10. the mobile phone subordinate machine system according to claim 4 using Wi-Fi network, it is characterised in that described second Audio coding decoding unit is audio coding decoding chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720455402.XU CN206865562U (en) | 2017-04-27 | 2017-04-27 | Utilize the mobile phone subordinate machine system of Wi Fi networks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720455402.XU CN206865562U (en) | 2017-04-27 | 2017-04-27 | Utilize the mobile phone subordinate machine system of Wi Fi networks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206865562U true CN206865562U (en) | 2018-01-09 |
Family
ID=60822815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720455402.XU Active CN206865562U (en) | 2017-04-27 | 2017-04-27 | Utilize the mobile phone subordinate machine system of Wi Fi networks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206865562U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11483359B2 (en) | 2018-10-15 | 2022-10-25 | Huawei Technologies Co., Ltd. | Voice call method, electronic device, and system |
-
2017
- 2017-04-27 CN CN201720455402.XU patent/CN206865562U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11483359B2 (en) | 2018-10-15 | 2022-10-25 | Huawei Technologies Co., Ltd. | Voice call method, electronic device, and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101566940B (en) | Method and device for realizing audio transmission of universal serial bus of wireless data terminal | |
| CN203289452U (en) | Wireless audio system based on acoustic wave communication pairing | |
| CN102355625B (en) | Method for sending position information, method for receiving position information and mobile communication terminal | |
| CN102377457A (en) | Method and device for sharing audio information by mobile communication terminals | |
| CN108712184A (en) | A kind of handheld terminal for supporting network talkback and DMR intercommunication intercommunications | |
| CN206339975U (en) | A kind of talkback unit for realizing real-time voice intertranslation | |
| CN107171908A (en) | BLEMesh devices based on voice terminal | |
| CN201323575Y (en) | Bluetooth headset | |
| CN206865562U (en) | Utilize the mobile phone subordinate machine system of Wi Fi networks | |
| CN105636023A (en) | Smart device binding method and system | |
| CN104424949A (en) | Method for transmitting and receiving voice packet and electronic device implementing the same | |
| CN103067455A (en) | Voice talkback implementation method and device based on Internet | |
| CN103648107A (en) | A method for simultaneously supervising voice and short message communication of a mobile terminal in real time | |
| CN106656274A (en) | Voice transmission system | |
| CN206649899U (en) | A kind of communicator for realizing real-time voice intertranslation | |
| CN109640280A (en) | Call control method, device, computer equipment and storage medium | |
| CN203645662U (en) | Wireless digital intercom card | |
| CN101009897A (en) | Apparatus and method for outputting audio data using wireless terminal | |
| CN201742398U (en) | Voice and data simultaneous transmission ultra-short wave transmission system | |
| CN108270909A (en) | The matching method and device of a kind of Intelligent hardware | |
| CN203289656U (en) | Voice conversation apparatus and system | |
| CN109756402B (en) | Access converter, broadband access gateway and network access method | |
| CN201022225Y (en) | A TD-SCDMA/PHS dual mode dual standby intelligent mobile terminal | |
| CN109600507A (en) | The means of communication and mobile terminal under a kind of screen locking state based on mobile terminal | |
| CN104580110A (en) | Vehicle-mounted voice data real-time transmission method based on GPRS |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |