CN1373598A

CN1373598A - Speech communication method and broad-band telephone terminal using it

Info

Publication number: CN1373598A
Application number: CN 02115043
Authority: CN
Inventors: 陈守涛
Original assignee: HUARUN COMMUNICATION TECHNOLOGY Co LTD ZHUHAI
Current assignee: HUARUN COMMUNICATION TECHNOLOGY Co LTD ZHUHAI
Priority date: 2002-04-05
Filing date: 2002-04-05
Publication date: 2002-10-09

Abstract

A speech communication method and a broadband telephone terminal using said method are disclosed. Said broadband telephone terminal is composed of VDSL network terminal module and IP telephone module. The input dialing and speech signals are converted to IP packet, which is transmitted via VDSL link to Internet for transmission. Its advantage is very low cost of communication.

Description

A kind of speech communication and use the broad-band telephone terminal of this method

Technical field:

The present invention relates to a kind of speech communication and use the broad-band telephone terminal of this method, it is a kind of network terminal product.

Background technology:

The high expenditure of speech communication expense is the unit of order or the very awkward problem of individual.So present enterprises and individuals wants that more economical speech communication mode is more easily arranged, and carries out the solution that speech communication then is a kind of reality by the Internet network, thereby produced the networking telephone (IP phone).The IP phone that has had at present has two kinds, a kind of is the networking telephone of pure software, communication two party has only when surfing the Net simultaneously, carries out communication by the ear microphone of software and computer, and this mode dials network telephone and need arrange in advance and can not divorced from computer equipment; Another is based on the networking telephone of hardware, can only carry out phone and dial to cry and reply, and can not realize that web page browsing, Email (EMAIL) wait other network works.

Summary of the invention:

The present invention seeks to overcoming the above problems, a kind of speech communication is provided and uses the broad-band telephone terminal of this method, can realize dialling the networking telephone that cries in real time simultaneously again can browsing network resources.

For achieving the above object, the present invention proposes a kind of speech communication and uses the broad-band telephone terminal of this method.

Described speech communication is: it is the IP packet that the dialing that will import or voice signal convert network interconnection protocol data bag to, delivers to the Internet by VDSL (Very-high-speed Digital Subscriber Line road) link and transmits.

Described broad-band telephone terminal comprises VDSL network terminal module and IP phone module, and it is the IP packet that dialing that described IP phone module produces or voice signal convert network interconnection protocol data bag to, sends to the Internet by VDSL network terminal module and transmits.

Owing to adopted above scheme, IP phone module and VDSL wideband terminal module are combined, can realize online, can realize IP phone again, and the two does not influence each other.Because dialing or voice signal utilize the existing circuit of wideband network terminal to send to the Internet, transmit by the Internet, realized real IP phone, so just saved expensive toll message expense, the only remaining basic network service expense of the expense of required payment.

Description of drawings:

Fig. 1 is a circuit block diagram of the present invention.

Fig. 2 is a physical circuit schematic diagram of the present invention.

Embodiment:

Also the present invention is described in further detail in conjunction with the accompanying drawings below by specific embodiment.

See Fig. 1,2, the broad-band telephone terminal of present embodiment is a telephone terminal based on VDSL (Very-high-speed Digital Subscriber Line road) network terminal, and it comprises the network terminal (VDSL) front end digital-to-analogue and analog to digital converter (1), network terminal master data processing module (2) and the first Ethernet interface module (31) that links to each other successively.Also comprise first to three data conversion module (41,42,43, i.e. PHY among the figure) and exchange and control module (5, i.e. MPC860 Module among the figure), described first to three modular converter (41,42,43) be used for Ethernet data and exchange and control module (5) conversion mutually between the cognitive serial data.Described exchange and control module (5) respectively with first to three modular converter (41,42,43) link to each other, be used for the data after the first or second or the 3rd modular converter (41 or 42 or 43) conversion are discerned, and data are reduced to the ethernet line circuit-switched data through another modular converter (41 or 42 or 43) send according to the result of identification, its effect just is similar to a Private Branch Exchange PBX, can distinguish the data of receiving exactly and should mail to which port, mainly be that the information from the Internet that differentiation receives by the VDSL circuit is the voice/dialing information of the network information or the IP phone of computer.

Described first data conversion module (41) links to each other with the first Ethernet interface module (31), and this road is exactly to pass through VDSL circuit and internet communication, swap data.

Described second data conversion module (42) is used for linking to each other with local computer (6), and this road is to be used for computer internet.

Described the 3rd data conversion module (43) links to each other with the second Ethernet interface module (32), this road is to be used for IP phone: the second Ethernet interface module (32) also links to each other with voice call master control chip (7), voice call master control chip (7) also links to each other with phone keyboard (9), and the phone keyboard is used for dialing.Can also pass through diverter switch, can make, need only use a button handover operation that is similar to switch to get final product dialing switching mutually between the plain old telephone and the networking telephone.Notice that said IP phone is different with the existing IP phone conversation of being undertaken by the access of IP phone number here, in fact telecommunications and the said IP phone of other network providers really do not carry out the transmission of TCP/IP data transaction IP network in the prior art, thereby its communication fee still is higher than the expense of IP phone of the present invention.

Described voice call master control chip (7) also links to each other with codec (10), flash memory (8), dynamic memory (11) respectively, codec is used for voice signal is transformed, otherwise become analog signal into digital signal or, flash memories is for the telephone number of dialling in is stored, so that send usefulness when calling out later on once more, dynamic memory is to provide memory headroom to voice call (7).

Wherein:

Voice call master control chip 7 is used chip PALM160;

Dynamic memory (11) SDRAM storage chip K4S161622D;

The second Ethernet interface module (32) Ethernet interface chip RTL8019AS;

Codec (10) Codec codec chip WM9703

Flash memory (8) Flash memory AM29LV008B

Three modular converters (41,42,43) PHY chip LXT905

Exchange and control module (5) MPC860_module chip MPC860T

The second Ethernet interface module (32) Ethernet interface chip RTL8201

Network terminal master data processing module (2) VDSL master data process chip PEF22822

(VDSL) front end digital-to-analogue and analog to digital converter (1) VDSL front end digital to analog converter PEB22811

The RJ11 port is in circuit diagram in the vdsl-a module, and two ports are arranged, and is not shown.

The identical place of mark is interconnective among the figure, all has two marks local as pins such as TPRX1+, TPRX1-, TPTX1+, TPTX1-, TPRX0+, TPRX0-, TPTX0+, TPTX0-, shows that they connect.

The VDSL access technology is based on telephone wire transmission and IEEE802.X agreement access technology, the ip voice phone will be linked among the Internet by the local area network (LAN) that VDSL equipment is formed, therefore exchange in the present embodiment and control module (5) design use compact processor chip MPC860 as exchanges data and processing center, after the speech data process MPC860 processing with the generation of IP phone funtion part, carry out speech communication by the VDSL circuit.

MPC860 is a compact processor, is similar to CPU, and it has a lot of data processing functions, and we only are to use partial function wherein---Fast Ethernet Controller (FEC) is the ether controlled function fast.This function can realize exchanges data and Control work between four Ethernet Ethernet interfaces of as many as, but must by the PHY chip will be too the serial data discerned of netting twine circuit-switched data and MPC860 processor change mutually, the function that MPC860 here finishes is that data identification is handled: in the diagram overall circuit, actually be divided into two relatively independent parts, be IP phone circuit part and VDSL circuit part, they respectively have the Ethernet interface (chip) of oneself, the major function of MPC860 is exactly a data identification: the network data that identification comes from the transmission of VDSL circuit belongs to the network data of computer or belongs to the voice or the dial data of IP phone, is transferred to the corresponding Ethernet data port at last again.

The task that MPC860 here takes on is exactly to be equivalent to small-sized switch, the HUB hub.Just port number can only be 4.As for how to discern is the data of which port, is the information that has had related port when sending data message, when data obtain replying, also has port information.Source data produces two parts, and one is that sound circuit partly produces, and another is that computer is sent data; Sending of data is to rely on the VDSL port.The data that come from VDSL have identified these data and have belonged to which port.

Dialing procedure when utilizing the said goods to carry out speech communication is stated as follows: IP phone keyboard input dial, by flash storage dial number, dial can access after convenient.Have IP phone main control chip PALM160 to handle input dial, packing data is issued the ethernet control chip of IP phone circuit side, and the dial data packing is formed the Ethernet data bag that Ethernet is discerned.Export by Ethernet interface.By PHY with Ethernet data be processed into MPC860 cognitive serial data, again by MPC860 main control chip processing and identification Data Source port, serial data is reduced into Ethernet data, handle formation VDSL packet through the VDSL partial circuit, enter wide area network by VDSL circuit (telephone wire) at last.

The voice call process is as follows: be similar to dialing procedure, voice are imported by receiver, by CODEC chip quantization encoding, are handled by IP phone main control chip PALM160 again, form the speech data data.Process is with the dialing processing procedure later on.

The present invention also can realize that such as ADSL (Asymmetrical Digital Subscriber Line), ISDN (ISDN(Integrated Service Digital Network)), high speed MODEM (modulator-demodulator) etc., these belong to the protection range that will invent equally based on other wideband terminals.

As seen, the present invention is transmitted mutually owing to carrying out voice by the Internet network, do not use traditional circuit switching equipment circuit, thus people frightened high telecommunications expense will reduce to almost nil, what people bore is basic network service expense.

Claims

1, a kind of speech communication is characterized in that: it is the IP packet that the dialing that will import or voice signal convert network interconnection protocol data bag to, delivers to the Internet by Very-high-speed Digital Subscriber Line road link and transmits.

2, speech communication as claimed in claim 1 is characterized in that:

Conversion of signals becomes after the IP packet, send into the exchange and control module (5), by control module (5) with exchanges data to destination interface.

3, speech communication as claimed in claim 2 is characterized in that: the IP packet send into exchange and control module (5) preceding, earlier transmit and convert to serial data by ethernet link; Control module (5) after destination interface, will be sent to Very-high-speed Digital Subscriber Line road link by ethernet link after the data transaction with exchanges data.

4, communication means as claimed in claim 1 or 2 is characterized in that: exchange and control module (5) come source port to determine its destination interface by recognition data.

5, communication means as claimed in claim 1 or 2 is characterized in that: when input signal is voice signal, earlier with this signal quantization coding, and then handle formation Ethernet speech data.

6, communication means as claimed in claim 1 or 2 is characterized in that: when input signal is dialing signal, also this signal is stored.

7, a kind of broad-band telephone terminal, comprise Very-high-speed Digital Subscriber Line road network network terminal module and IP phone module, it is the IP packet that dialing that described IP phone module produces or voice signal convert network interconnection protocol data bag to, sends to the Internet by Very-high-speed Digital Subscriber Line road network network terminal module and transmits.

8 broad-band telephone terminals as claimed in claim 7 is characterized in that: Very-high-speed Digital Subscriber Line road network network terminal module comprises network terminal front end digital-to-analogue and analog to digital converter (1), network terminal master data processing module (2) and the first Ethernet interface module (31) that links to each other successively; The IP phone module comprises voice call master control chip (7);

Described broad-band telephone terminal also comprises first to three data conversion module (41,42,43) and exchange and control module (5), described first to three modular converter (41,42,43) be used for Ethernet data and exchange and control module (5) conversion mutually between the cognitive serial data; Described exchange and control module (5) link to each other with first to three modular converter (41,42,43) respectively, be used for the data after the first or second or the 3rd modular converter (41 or 42 or 43) conversion are discerned, and according to the result of identification data be reduced to the ethernet line circuit-switched data through another modular converter (41 or 42 or 43) and send;

Described first data conversion module (41) links to each other with the first Ethernet interface module (31);

Described second data conversion module (42) is used for linking to each other with local computer (6);

Described the 3rd data conversion module (43) links to each other with the second Ethernet interface module (32);

The second Ethernet interface module (32) also links to each other with voice call master control chip (7), and voice call master control chip (7) also links to each other with phone keyboard (9), codec (10).

9, broad-band telephone terminal as claimed in claim 7 is characterized in that: described voice call master control chip (7) also links to each other with flash memories (8), dynamic memory (11) respectively.