CN1141830C - Broadband network telephone - Google Patents
Broadband network telephone Download PDFInfo
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- CN1141830C CN1141830C CNB011270489A CN01127048A CN1141830C CN 1141830 C CN1141830 C CN 1141830C CN B011270489 A CNB011270489 A CN B011270489A CN 01127048 A CN01127048 A CN 01127048A CN 1141830 C CN1141830 C CN 1141830C
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- broadband network
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Abstract
The present invention relates to a broadband network telephone which is compatible with a traditional telephone and simultaneously dials and receives a network telephone and the traditional telephone. The present invention is characterized in that the broadband network telephone is composed of a central processing unit, a speech encoding / decoding device, a network transmitting / receiving device, a telephone interface circuit and a power source interface, wherein the central processing unit uses a microprocessor as a core and is respectively connected with a liquid crystal displayer, a keyboard, an internal storage location and a memory expansion interface by data and control buses; the microprocessor is simultaneously connected with the speech encoding / decoding device, the network transmitting / receiving device and the telephone interface circuit by the data bus and the control bus and controls the devices and the telephone interface circuit.
Description
Technical field
The present invention relates to communication technical field, is energy and black phone compatibility, can dial and receive the broadband network telephone and the corresponding broadband network telephone system of the networking telephone and black phone simultaneously.
Background technology
Along with the high speed development of the computer technology and the communication technology, the fusion of computer and communication network has become natural trend, and computer occurs already to the network service of computer.Many companies such as the telecommunications of China, UNICOM, Jitong, Netcom have also opened IP telephone service at present, but this business still adopts traditional telephone wire connection mode at user side.Simultaneously, the rise of broadband networks is that the networking telephone has brought a kind of new communication modes, because following broadband networks is taked the monthly payment charge method basically, therefore, will spread to each unit and family based on the telephone system of broadband network.
Summary of the invention
The present invention is directed to the deficiency of above-mentioned existence, a kind of broadband network telephone and corresponding broadband network telephone system are provided, on the basis of broadband network, realize the communication of phone on broadband network, it organically combines computer technology and modern communication technology, realizes the real-time coding/decoding of voice messaging and the transmission on broadband network.The networking telephone and black phone can be dialed and receive to the present invention and black phone compatibility simultaneously.
Broadband network telephone is to adopt following scheme to realize: broadband network telephone is made up of central processing unit, voice encoding/decording device, network transmission/receiving system, telephone interface circuit, power interface etc.Central processing unit comprises compositions such as microprocessor, internal storage location, storage expansion interface, liquid crystal display, keyboard.Microprocessor adopts general singlechip chip as embedded microprocessor; But the flash module that internal storage location adopts power down to preserve comprises the read-only flash memory FALSH ROM that is used for procedure stores and the read-write flash memory FLASH RAM of storage; The storage expansion interface can be supported more high capacity FLASH RAM memory for realizing telephonograph and other functions, adopts the standard connector, can support polytype memories such as general CF card, SD card; Liquid crystal display use is for the convenience of the user adopted with backlight and LCD Chinese-character display function; Keyboard has 12 operation keyss and 8 function keys.
The function of central processing unit comprises
1. dial feature: decision is put through phase by telephone wire or by broadband network according to number
The telephone service gateway of answering.
2. call function: online conversation control comprises audio coding/decoding and network is sent out
Send/control of receiving system.
3. writing function: comprise incoming call/out-going call number and air time record.
4. function is set: the partial parameters of central processing unit is set, show as sending a telegram here,
Calling transfer, record or play telephonograph, clock etc.
The program of central processing unit is by the computer realization upgrading or revise all parameters.
Voice encoding/decording device: realize real-time, digitized coding/decoding to voice messaging, communication protocol adopts H.323 international standard of the ITU of International Telecommunication Association.The coding/decoding process is followed G.729/G.723/G.711 standard of the ITU of International Telecommunication Association.This device adopts ADPCM audio coding/decoding chip.
Network transmission/receiving system: realize the high-speed transfer of digitized voice messaging on the computer broadband networks, observe the international IEEE802 of Electronic Engineering Association international standard, support 10/100M Ethernet and asynchronous transfer mode ATM mode, adopt corresponding network transmission/receiving chip.Network interface is decided according to selected network communications standards.
Telephone interface circuit: adopt the general switching circuit and the RJ11 telephony interface of standard.
Microprocessor in the central processing unit of broadband network telephone links to each other with liquid crystal display, keyboard, internal storage location and storage expansion interface respectively with control bus by data/address bus, microprocessor simultaneously by data/address bus and control bus with voice encoding/decording device, network transmission/receiving system and telephone interface circuit is connected and it is carried out control; Voice encoding/decording device is connected with telephone interface circuit with network transmission/receiving system; Network transmission/receiving system is connected with network interface; Telephone interface circuit is connected with several inside connections with outside line; Power interface is converted to the required operating voltage of native system with civil power and is connected with the power interface of each chip.
Characteristics of the present invention
1 plain old telephone can be directly connected on the broadband networks by the present invention.
2 can dial or receive the networking telephone and black phone simultaneously.
3 owing to directly adopt broadband networks as transmission medium, improved the communication quality of phone.
4 can be provided with and manage the present invention by computer
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Accompanying drawing 1 is that broadband network telephone is formed schematic diagram
Accompanying drawing 2 is broadband network telephone workflow schematic diagrames.
Accompanying drawing 3 is broadband network telephone connected mode schematic diagrames
Embodiment
With reference to accompanying drawing 1, broadband network telephone is by central processing unit, and voice encoding/decording device, network transmission/receiving system, telephone interface circuit and power interface are formed
1 central processing unit: critical piece is that microprocessor, internal storage location, storage expansion connect
Mouth, LCD, keyboard.Functional module is as follows:
(1) microprocessor: adopt general singlechip chip, adopt MSC51 system at present
The row single-chip microcomputer is as embedded microprocessor, also can select ATMEL AVR or
The corresponding product of INTEL ARM series.
(2) internal storage location: for guaranteeing power-down protection, memory modules adopts FLASH
The MEMORY flash memory products, division has deposit receipt in two kinds according to function
Unit, FLASHROM are used to store the Control Software of native system, and concrete model will
Size according to Control Software is decided; FLASH RAM is used to store data, produces
The TC58256FT of product model such as TOSHIBA company or SAMSUNG company
K9F5608 etc.
(3) storage expansion interface: for realizing telephonograph and other functions, native system is established
Put the extension storage interface, support more high capacity FLASH RAM memory,
Interface adopts the standard connector, can support general CF card, SD card at present
Etc. polytype memory.
(4) liquid crystal display: use for the convenience of the user, native system are adopted and are with backlight and Chinese character
128 of Presentation Function
*64 dot lcd display modes.
(5) keyboard: 12 operation keyss (0～9,
*, #) with 8 function keys
The function of central processing unit comprises
(1) dial feature: decision is put through by telephone wire or by broadband network according to number
The corresponding telephone gateway.
(2) call function: online conversation control comprises audio coding/decoding and network
The control of transmission/receiving system.
(3) writing function: comprise incoming call/out-going call number and air time record.
(4) function is set: the partial parameters of central processing unit is set, show as sending a telegram here,
Calling transfer, record or play telephonograph, clock etc.
The program of central processing unit is by the computer realization upgrading or revise all parameters.
2 voice encoding/decording devices: realize real-time, digitized coding/decoding to voice messaging, communication protocol adopts H.323 standard of the ITU of International Telecommunication Association.G.729/G.723/G.711 audio coding/decoding adopts the ITU of International Telecommunication Association.The chip model is the MC14LC5540 ADPCM Codec voice ADPCM coding/decoding chip of MOTOROLA.
3 network transmission/receiving systems: realize the high-speed transfer of digitized voice messaging on the computer broadband networks, observe the international IEEE802 of Electronic Engineering Association international standard, support 10/100M Ethernet and asynchronous transfer mode ATM mode.Network interface is decided according to selected network communications standards, under 10/100M Ethernet mode, and the chip model of employing such as INTEL82559 or REALTEK8139.Under 10/100M Ethernet mode, adopt the RJ45 interface.
4 telephone interface circuits: adopt the general switching circuit and the RJ11 telephony interface of standard.
5 power interfaces: civil power is converted into the direct-current working volts that supply each chip, adopts the 3/5V transformer of standard.With reference to accompanying drawing 2 and accompanying drawing 3, workflow of the present invention is described as follows: 1 calls:
(1) by telephone set or keyboard dialing, while native system recording phone number
(2) with system decision being set according to dial the number adopts traditional communication or network to lead to
The news pattern.
(3) adopt traditional communication mode, turn to step 10
(4) under the network schemer according to system's setting, by central control unit to network send/
Receiving system sends instruction, dials and is corresponding network telephone service gateway.
(5) if because of putting through gateway under the situations such as fault such as circuit or cost issues, logical
Know the user, and point out traditional communication modes of whether migrating,, stop this and lead to as not
The words process then turns to step 10 in this way
(6) dial and cry gateway success, it is right to be responsible for being docked with according to the telephone number of being dialled by gateway
The circuit of side.
(7) native system receives the signal that the other side's telephone line of being passed back by gateway is busy or wait for,
And convert general length to or lack the ringring prompting sound.The other side such as ring unanswered, according to
The signal that gateway provides cuts off this conversation over time.
(8) the other side begins to answer, and the central processing unit of native system is handled square and right simultaneously
The communication process of side: square voice are changed by voice encoding/decording device
Become digital signal, send via network transmission/receiving device, the other side's voice (by
Gateway or more far-end be treated to digital signal) by network transmission/receiving system
Receive, and be converted to voice signal through voice encoding/decording device, central authorities handle
Whether device can record according to user's selection.
(9) the central processing unit ticketed call time is finished in conversation.
(10) central processing unit is provided with corresponding by the switch to telephone interface circuit
Inside connections interface and outside line interface directly connect.
(11) send dialing information and conversation by traditional approach.Central processing unit is according to usefulness
Whether the selection at family records, and the ticketed call time.2 receive calls
(1) ring, central processing unit show and recording incoming mode (network/tradition) and
Caller ID.
(2) during the ring unanswered, central processing unit is according to user's setting under traditional mode
Play message and begin recording.
(3) after the side has received calls
Under the Internet phone-calling pattern, the central processing unit of native system handle simultaneously the side and
The other side's communication process: square voice are changeed by voice encoding/decording device
Change digital signal into, send the other side's voice via network transmission/receiving device
(by gateway or more far-end be treated to digital signal) by network transmission/reception
Device receives, and is converted to voice signal, central authorities through voice encoding/decording device
Whether processing unit can record according to user's selection.
Under the traditional call pattern, central processing unit is by leaving telephone interface circuit
The pass is provided with directly to be connected line interface in the corresponding telephone and outside line interface, and
Whether the selection according to the user records.
(4) the central processing unit ticketed call time is finished in conversation.3 messages and recording
The built-in certain data space of native system is used for message and recording.When recording, voice signal is encoded into digital signal by voice encoding/decording device, and leaves in the internal storage location or exented memory of central processing unit.When playing, digital signal is decoded into voice signal by voice encoding/decording device plays.
Claims (4)
1 one kinds of broadband network telephones, it is characterized in that forming by central processing unit, voice encoding/decording device, network transmission/receiving system, telephone interface circuit, power interface, central processing unit is core with the microprocessor, link to each other with liquid crystal display, keyboard, internal storage location and storage expansion interface respectively with control bus by data/address bus, microprocessor simultaneously by data/address bus and control bus with voice encoding/decording device, network transmission/receiving system and telephone interface circuit is connected and it is carried out control; Voice encoding/decording device is realized voice messaging is carried out real-time, digitized coding/decoding; Network transmission/receiving system and computer network link, and realize the high-speed transfer of digitized voice messaging on the computer broadband network.
2 broadband network telephones according to claim 1 is characterized in that: the communication protocol of voice encoding/decording device adopts H.323 standard of the ITU of International Telecommunication Association, and the coding/decoding process is followed G.729/G.723/G.711 standard of the ITU of International Telecommunication Association; Network transmission/receiving system is observed the international IEEE802 of Electronic Engineering Association series standard, supports 10/100M Ethernet and asynchronous transfer mode ATM.
3 broadband network telephones according to claim 1 is characterized in that: the microprocessor in the central processing unit adopts embedded microprocessor.
4 broadband network telephones according to claim 1 is characterized in that: but the flash memory that memory cell adopts built-in power down to preserve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011270489A CN1141830C (en) | 2001-07-31 | 2001-07-31 | Broadband network telephone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011270489A CN1141830C (en) | 2001-07-31 | 2001-07-31 | Broadband network telephone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1328399A CN1328399A (en) | 2001-12-26 |
| CN1141830C true CN1141830C (en) | 2004-03-10 |
Family
ID=4667046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011270489A Expired - Fee Related CN1141830C (en) | 2001-07-31 | 2001-07-31 | Broadband network telephone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1141830C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100344141C (en) * | 2002-12-30 | 2007-10-17 | 汉王科技股份有限公司 | Wide band commercial intelligent terminal |
| JP4507504B2 (en) * | 2003-04-03 | 2010-07-21 | 沖電気工業株式会社 | Voice communication apparatus and voice communication method |
| CN100446532C (en) * | 2003-07-18 | 2008-12-24 | 鸿富锦精密工业（深圳）有限公司 | Network telephone system and communication method |
| CN106371886B (en) * | 2016-11-13 | 2023-10-20 | 南京汉隆科技有限公司 | Network telephone device updated from localization and manufacturing method thereof |
-
2001
- 2001-07-31 CN CNB011270489A patent/CN1141830C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1328399A (en) | 2001-12-26 |
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