CN101087198A - A router for transferring multiple data and voice service - Google Patents
A router for transferring multiple data and voice service Download PDFInfo
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Abstract
The invention provides a route for transmitting several data and voice service, which includes: ISDN-U interface module, central processing unit module, voice processing module and several interface modules, ISDN-U interface module, the data signal in data channel is done HDLC procession and sent to the central processing unit module; central processing unit module, which is used to analyze the processed data packet, when analyze the voice IP data packet, the voice IP data packet is sent to voice processing module; voice processing module, which is used to receive the voice IP data packet sent by central processing unit module, and reverts it as the original voice data. The invention can transmit voice via ISDN-U interface module, and improve the integrated service ability in real system.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of router that transmits several data and speech business.
Background technology
Along with the development of Internet and the continuous expansion of various communication services, router is more and more general in actual applications.
Usually, (Integrated Service Digital Network ISDN) in Chuan Shu the practical application, can only transmit data and voice respectively at data and the voice channel among the 2B+D of ISDN net by ISDN(Integrated Service Digital Network) at router.Wherein, 2B+D is meant that on the physical path of a pair of subscribers feeder two-way simultaneous provides the B channel of 2 64Kbps and the D channel of one 1 6Kbps, and wherein, B is Bearer Channel (Bearer Channel); D is signaling channel (Demand Channel).
As shown in Figure 1, be the application of existing router in the ISDN net.Router has a u interface that is used to insert isdn switch.Can insert plain old telephone 111, facsimile machine 130 and PC 140 on the router one 01.(Public SwitchedTelephone Network PSTN), carries out data and voice transfer with plain old telephone 112 and facsimile machine 131 to isdn switch by ISDN net and public switch telephone network; Also can insert another router identical, thereby (Local AreaNetwork links to each other LAN) with local area network (LAN) with router one 01.
Aforesaid router can be achieved as follows function:
1, the analog signal with plain old telephone is converted into digital signal, by the voice channel access ISDN net of the 2B+D among the ISDN, realizes voice transfer with the ISDN net of far-end and the phone of PSTN net access.
2, provide the port that inserts with LAN, the data channel by the 2B+D among the ISDN inserts the ISDN net, and the LAN that inserts with the ISDN of far-end realizes transfer of data, realizes the Internet function.
Adopt aforesaid way can realize the data and the voice transmission capabilities of netting based on ISDN, but for voice transfer, can only be by the voice channel transferring voice in the 2B+D passage, if the 2B+D passage that ISDN service provider provides does not provide voice channel, although perhaps provide voice channel but when not satisfying a plurality of users' demand, voice transfer just is restricted.
Summary of the invention
The objective of the invention is to, a kind of router that transmits several data and speech business is provided, can improve its integrated service ability in real system by the data channel transferring voice in the 2B+D passage.
The router of transmission several data of the present invention and speech business, comprise: ISDN-U interface module, CPU module, speech processing module and a plurality of interface module, wherein, described ISDN-U interface module, be used to receive signal from the ISDN net, and, the data-signal of data channel is wherein carried out being sent to CPU module and handling after High-Level Data Link Control HDLC handles with the 2B+D passage separate processes of ISDN; The voice signal of voice channel wherein is sent to the interface module of corresponding receiving and transmitting voice; Described CPU module is used to receive the packet after HDLC handles that described ISDN-U interface module is sent, and it is resolved, and when parsing obtains voice IP packet, described voice IP packet is sent to described speech processing module; When parsing does not obtain voice IP packet, described packet is sent to the interface module of corresponding transceive data; Described speech processing module is used to receive the voice IP packet that described CPU module is sent, and it is reduced to primary voice data, and this speech data is sent to the interface module of relevant receiving and transmitting voice; Described interface module, the data-signal or the voice signal that are used for receiving convert the signal format that router can be discerned to; Data-signal or voice signal perhaps that router is to be sent convert corresponding reception device recognition data signal or voice signal to.
Wherein, described ISDN-U interface module, comprise u interface front-end processing module and 2B+D signal processing module, wherein, described u interface front-end processing module, the analog signal of standard u interface signal that is used to finish ISDN is to the conversion of digital signal, and data-signal that will transmission comes from the ISDN net sends the data channel of the 2B+D passage of 2B+D signal processing module to; To from the ISDN net, transmit the voice channel that the voice signal that comes sends the 2B+D passage of 2B+D signal processing module to; Described 2B+D signal processing module, being used for that the data-signal that described u interface front-end processing module is sent the 2B+D passage is carried out HDLC handles, data after handling are sent to described CPU module, and the voice signal in the voice channel of 2B+D passage is sent to corresponding interface module.
Wherein, described speech processing module is further used for the language data process that the interface module of corresponding receiving and transmitting voice is sent is become voice IP packet, and sends it to described CPU module;
Described CPU module is further used for data load that the interface module of voice IP packet that described speech processing module is sent and other transceive data the sends data channel to the 2B+D passage of ISDN-U interface module;
Described ISDN-U interface module, the data that further described CPU module are loaded into the interface module of voice IP packet on its data channel and other transceive data carry out being sent to the ISDN net after HDLC handles; And be used for the voice signal that the interface module of corresponding receiving and transmitting voice is sent is loaded into its voice channel, and be sent to the ISDN net.
Wherein, described 2B+D signal processing module, after being further used for the data that described CPU module is loaded into the interface module of voice IP packet on its data channel and other transceive data are finished the processing of data link layer protocol of ISDN, be sent to described u interface front-end processing module by the Universal ISDN bus interface; And the voice signal that the interface module of corresponding receiving and transmitting voice is sent by the voice bus interface is loaded on its voice channel, be sent to u interface front-end processing module by the Universal ISDN bus interface;
Described u interface front-end processing module, the digital signal of standard u interface signal that is further used for finishing ISDN is sent to the ISDN net to the conversion of analog signal with the signal of finishing conversion.
Wherein, the interface module of described receiving and transmitting voice is used for the normal speech signal is sent to described ISDN-U interface module by the voice bus interface, and voice signal is loaded on the 2B+D voice channel; And the voice signal of VOIP business is sent to speech processing module by the voice bus interface.
In addition, with the corresponding transceiver of described interface module, comprise the telephone set of realizing common talk business or telephone set or facsimile machine or the PC that realizes the VOIP talk business.
The invention has the beneficial effects as follows: according to the router of transmission several data of the present invention and speech business, by language data process being become voice IP packet, and it is loaded into the data channel of 2B+D passage, thereby can be by the data channel transferring voice in the 2B+D passage, improved the integrated service ability of router in real system, the voice of VOIP mode and normal speech is netted transmission at ISDN and PSTN combination have been realized, and support several data and speech business, make enterprise can set up oneself, data and voice network cheaply.
Description of drawings
Fig. 1 is the application schematic diagram of existing router in the ISDN net;
Fig. 2 is the structural representation of the router of transmission several data of the present invention and speech business;
Fig. 3 is the application schematic diagram of the router of transmission several data of the present invention and speech business.
Embodiment
Below, with reference to the router of figure 2～3 detailed description transmission several data of the present invention and speech business.
As shown in Figure 2, be the structural representation of the router of transmission several data of the present invention and speech business.This router comprises: ISDN-U interface module, CPU module, speech processing module and a plurality of interface module.
Wherein, the ISDN-U interface module, be used to receive signal from the ISDN net, and with the 2B+D passage separate processes of ISDN, the data-signal of data channel is wherein carried out High-Level Data Link Control (High-level Data Link Control, HDLC) after the processing, be sent to CPU module by general purpose interface bus and handle; The voice signal of voice channel wherein is sent to the interface module of corresponding receiving and transmitting voice by the voice bus interface;
CPU module is used to receive the packet after HDLC handles that the ISDN-U interface module is sent, and it is resolved, and when parsing obtains voice IP packet, these voice IP packet is sent to speech processing module by general purpose interface bus; Do not resolving when obtaining voice IP packet, this packet is being sent to the interface module of relevant transceive data, to finish transfer of data;
Speech processing module is used to receive the voice IP packet that CPU module is sent, and it is reduced to primary voice data, and this speech data is sent to the interface module of relevant receiving and transmitting voice;
Interface module is the interface of all kinds of terminal equipment data of transmitting-receiving and/or voice, is used for converting data-signal or voice signal from all kinds of terminal equipments to signal format that router can be discerned; Perhaps Various types of data signal or voice signal are converted to the data-signal or the voice signal of corresponding terminal recognition of devices, be sent to corresponding terminal device.
In addition, the ISDN-U interface module comprises u interface front-end processing module and 2B+D signal processing module.Wherein, u interface front-end processing module, the analog signal of standard u interface signal that is used to finish ISDN is to the conversion of digital signal, and finish a layer protocol of isdn signal, it is the Signal Processing of physical layer, to from the ISDN net, pass through the ISDN general purpose interface bus by the next signal of transmission then, send the 2B+D signal processing module to; The 2B+D signal processing module, be used for data-signal is wherein carried out the HDLC processing, finish the processing of the data link layer protocol of ISDN, data after handling are sent to CPU module by general purpose interface bus, and the voice signal in the passage are delivered to the interface module of corresponding receiving and transmitting voice by the voice bus interface.
In addition, based on as mentioned above, speech processing module is further used for the language data process that the interface module of corresponding receiving and transmitting voice is sent is become voice IP packet, and sends it to CPU module;
CPU module is further used for data load that the interface module of voice IP packet that speech processing module is sent and other transceive data the sends data channel to the 2B+D passage of ISDN-U interface module;
The ISDN-U interface module, the data that are further used for CPU module is loaded into the interface module of voice IP packet on its data channel and other transceive data carry out being sent to the ISDN net after HDLC handles; And be used for the voice signal that the interface module of corresponding receiving and transmitting voice is sent by the voice bus interface is loaded into its voice channel, and be sent to the ISDN net.
In addition, 2B+D signal processing module in the ISDN-U interface module, after being further used for the data that CPU module is loaded into the interface module of voice IP packet on its data channel and other transceive data are finished the processing of data link layer protocol of ISDN, by the Universal ISDN bus interface, the data after handling are sent to u interface front-end processing module; And the voice signal that the interface module of corresponding receiving and transmitting voice is sent by the voice bus interface is loaded on its voice channel, be sent to u interface front-end processing module by the Universal ISDN bus interface; U interface front-end processing module, the digital signal of standard u interface signal that is further used for finishing ISDN is sent to the ISDN net to the conversion of analog signal with the signal of finishing conversion.
In addition, it is pointed out that the interface module of receiving and transmitting voice, be used for the normal speech signal is sent to the ISDN-U interface module by the voice bus interface, voice signal is loaded on the 2B+D voice channel; And with the networking telephone (Voice over Internet Protocol, VOIP) Ye Wu voice signal is sent to speech processing module by the voice bus interface, by speech processing module voice signal is processed into voice IP packet, these voice IP packet is loaded on the 2B+D data channel by CPU module.
In addition, the interface module of above-mentioned receiving and transmitting voice can connect the telephone set of realizing common talk business and the telephone set of realizing the VOIP talk business; The interface module of above-mentioned transceive data can connect facsimile machine, PC etc.For example,
(1) router three 01 links to each other with the PSTN net with the ISDN net by the ISND switch;
(2) router three 01 links to each other with facsimile machine 330 with phone 311,320 by interface module FXS;
(3) router three 01 links to each other with Internet with PC340 by Ethernet interface.
Particularly, as shown in Figure 3, the router of transmission several data of the present invention and speech business can have in the following application:
1, phone 311 inserts the ISDN net by router three 01, can realize voice communication with the phone of PSTN net, uses ISDN service provider's voice channel service; The phone 312 of PSTN net also can directly be dialled in phone 311.
2, phone 320 inserts the ISDN net by router three 01, uses the data channel in the 2B+D passage, and the router on realization and Internet net and the ISDN inserts the VOIP conversation of phone.
3, the online VOIP phone 321 of Internet can be by inserting the VOIP conversation that realizes the online phone of Internet net and ISDN to router 301 with big net, also can be by PSTN net and phone 312 conversations, realize the integrated service that VOIP conversation and traditional telephone network are conversed, realize the effect of a VOIP and PSTN gateway.
4, the PC340 couple in router 301, can realize communicating by letter of IP/TCP agreement with the ISDN net by the Internet net.
5, facsimile machine 330 couple in routers 301 can be realized Internet net, ISDN net and the online transfer of data of PSTN.
In sum, router according to transmission several data of the present invention and speech business, by language data process being become voice IP packet, and it is loaded into the data channel of 2B+D passage, thereby can be by the data channel transferring voice in the 2B+D passage, improved the integrated service ability of router in real system, and can realize the VOIP mode of voice and the combination of transmitting by traditional ISDN and PSTN net mode, the seamless connection of ISDN net and LAN net, and support several data and speech business, make enterprise can set up oneself, data and voice network cheaply.
More than be in order to make those of ordinary skills understand the present invention; and to detailed description that the present invention carried out; but can expect; in the scope that does not break away from claim of the present invention and contained, can also make other variation and modification, these variations and revising all in protection scope of the present invention.
Claims (6)
1. a router that transmits several data and speech business is characterized in that, comprising: ISDN-U interface module, CPU module, speech processing module and a plurality of interface module, wherein,
Described ISDN-U interface module is used to receive the signal from the ISDN net, and with the 2B+D passage separate processes of ISDN, and the data-signal of data channel is wherein carried out being sent to CPU module and handling after High-Level Data Link Control HDLC handles; The voice signal of voice channel wherein is sent to the interface module of corresponding receiving and transmitting voice;
Described CPU module is used to receive the packet after HDLC handles that described ISDN-U interface module is sent, and it is resolved, and when parsing obtains voice IP packet, described voice IP packet is sent to described speech processing module; When parsing does not obtain voice IP packet, described packet is sent to the interface module of corresponding transceive data;
Described speech processing module is used to receive the voice IP packet that described CPU module is sent, and it is reduced to primary voice data, and this speech data is sent to the interface module of relevant receiving and transmitting voice;
Described interface module, the data-signal or the voice signal that are used for receiving convert the signal format that router can be discerned to; Data-signal or voice signal perhaps that router is to be sent convert corresponding reception device recognition data signal or voice signal to.
2. the router of transmission several data as claimed in claim 1 and speech business is characterized in that,
Described ISDN-U interface module comprises u interface front-end processing module and 2B+D signal processing module, wherein,
Described u interface front-end processing module, the analog signal of standard u interface signal that is used to finish ISDN be to the conversion of digital signal, and data-signal that will transmission comes from the ISDN net sends the data channel of the 2B+D passage of 2B+D signal processing module to; To from the ISDN net, transmit the voice channel that the voice signal that comes sends the 2B+D passage of 2B+D signal processing module to;
Described 2B+D signal processing module, being used for that the data-signal that described u interface front-end processing module is sent the 2B+D passage is carried out HDLC handles, data after handling are sent to described CPU module, and the voice signal in the voice channel of 2B+D passage is sent to corresponding interface module.
3. the router of transmission several data as claimed in claim 1 and speech business is characterized in that,
Described speech processing module is further used for the language data process that the interface module of corresponding receiving and transmitting voice is sent is become voice IP packet, and sends it to described CPU module;
Described CPU module is further used for data load that the interface module of voice IP packet that described speech processing module is sent and other transceive data the sends data channel to the 2B+D passage of ISDN-U interface module;
Described ISDN-U interface module, the data that further described CPU module are loaded into the interface module of voice IP packet on its data channel and other transceive data carry out being sent to the ISDN net after HDLC handles; And be used for the voice signal that the interface module of corresponding receiving and transmitting voice is sent is loaded into its voice channel, and be sent to the ISDN net.
4. the router of transmission several data as claimed in claim 1 and speech business is characterized in that,
Described 2B+D signal processing module, after being further used for the data that described CPU module is loaded into the interface module of voice IP packet on its data channel and other transceive data are finished the processing of data link layer protocol of ISDN, be sent to described u interface front-end processing module by the Universal ISDN bus interface; And the voice signal that the interface module of corresponding receiving and transmitting voice is sent by the voice bus interface is loaded on its voice channel, be sent to u interface front-end processing module by the Universal ISDN bus interface;
Described u interface front-end processing module, the digital signal of standard u interface signal that is further used for finishing ISDN is sent to the ISDN net to the conversion of analog signal with the signal of finishing conversion.
5. the router of transmission several data as claimed in claim 1 and speech business is characterized in that,
The interface module of described receiving and transmitting voice is used for the normal speech signal is sent to described ISDN-U interface module by the voice bus interface, and voice signal is loaded on the 2B+D voice channel; And the voice signal of VOIP business is sent to speech processing module by the voice bus interface.
6. the router of transmission several data as claimed in claim 1 and speech business, it is characterized in that and the corresponding transceiver of described interface module, comprise the telephone set of realizing common talk business or telephone set or facsimile machine or the PC that realizes the VOIP talk business.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101112199A CN100512122C (en) | 2007-06-18 | 2007-06-18 | A router for transferring multiple data and voice service |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101112199A CN100512122C (en) | 2007-06-18 | 2007-06-18 | A router for transferring multiple data and voice service |
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| Publication Number | Publication Date |
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| CN101087198A true CN101087198A (en) | 2007-12-12 |
| CN100512122C CN100512122C (en) | 2009-07-08 |
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| CNB2007101112199A Expired - Fee Related CN100512122C (en) | 2007-06-18 | 2007-06-18 | A router for transferring multiple data and voice service |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333437A (en) * | 2014-11-20 | 2015-02-04 | 天津光电通信技术有限公司 | Communication equipment and communication method for maritime affair or outdoor area |
| CN107333015A (en) * | 2017-06-15 | 2017-11-07 | 烽火通信科技股份有限公司 | The isdn user's cut-in method and system of a kind of voip gateway |
| CN108616454A (en) * | 2018-05-07 | 2018-10-02 | 苏州明上系统科技有限公司 | A kind of router interface control system |
| CN110730192A (en) * | 2019-10-29 | 2020-01-24 | 展讯通信（上海）有限公司 | Voice data transmission method, device, equipment and computer readable storage medium |
-
2007
- 2007-06-18 CN CNB2007101112199A patent/CN100512122C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333437A (en) * | 2014-11-20 | 2015-02-04 | 天津光电通信技术有限公司 | Communication equipment and communication method for maritime affair or outdoor area |
| CN107333015A (en) * | 2017-06-15 | 2017-11-07 | 烽火通信科技股份有限公司 | The isdn user's cut-in method and system of a kind of voip gateway |
| CN108616454A (en) * | 2018-05-07 | 2018-10-02 | 苏州明上系统科技有限公司 | A kind of router interface control system |
| CN110730192A (en) * | 2019-10-29 | 2020-01-24 | 展讯通信（上海）有限公司 | Voice data transmission method, device, equipment and computer readable storage medium |
| CN110730192B (en) * | 2019-10-29 | 2022-07-05 | 展讯通信（上海）有限公司 | Voice data transmission method, device, equipment and computer readable storage medium |
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| Publication number | Publication date |
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| CN100512122C (en) | 2009-07-08 |
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