CN101800819B - Method for transmitting fixed network business and gateway - Google Patents
Method for transmitting fixed network business and gateway Download PDFInfo
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- CN101800819B CN101800819B CN 201010120256 CN201010120256A CN101800819B CN 101800819 B CN101800819 B CN 101800819B CN 201010120256 CN201010120256 CN 201010120256 CN 201010120256 A CN201010120256 A CN 201010120256A CN 101800819 B CN101800819 B CN 101800819B
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Abstract
The embodiment of the invention provides a method for transmitting a fixed network business and a gateway. The method comprise the following steps of: establishing a transparent transmission passage between a calling party and a called party which need to carry out fixed network business communication on a carried network; converting an analog signal on a calling telephone line into a digital signal; and transmitting the digital signal to the called party in an unvarnished way through the transparent transmission passage. The embodiment of the invention transmits the fixed network business by establishing the special transparent transmission passage on the carried network, enables an operator to support the transmission of various fixed network businesses just by slightly alternating the gateway and reduces the operation cost.
Description
Technical field
The present invention relates to the communications field, especially relate to a kind of transmission method and device of fixed network services.
Background technology
Develop rapidly along with network technology, in the past based on fixed network, such as PSTN (Public Switched Telephone Network, PSTN) miscellaneous service can have more carrying to select, such as the mobile network that can select various standards, IP network etc.
Above-mentioned miscellaneous service based on fixed network generally all needs to have the assurance of stability and real-time, assist medical profession (Tele-Assistance), telephone automatic alarm professional (Tele-Alarm) or based on point of sales terminal (point of sale, the POS) machine of fixed line line etc. such as facsimile service, phone.But the various device how to re-use based on above-mentioned fixed network services in above-mentioned mobile network or IP network is a difficult problem of the prior art.
Have in the prior art based on circuit switching (Circuit Switched, CS) the fax scheme in territory, such as universal mobile telecommunications system (Universal Mobile Telecommunications System, UMTS) 23.146 facsimile protocol, it has finished T.30 fixed network facsimile protocol-T.38IP facsimile protocol-T.30 conversion of fixed network facsimile protocol, thereby can transmit facsimile service in IP network.
But above-mentioned prior art exists following defective: because the network element on the whole piece link all needs to increase adaptive to variety of protocol, therefore need the existing network element of operator's upgrading, thereby strengthened operation cost; For different fixed network services, it is adaptive to need network element to make different control in addition, therefore can't compatible all fixed network services.
Summary of the invention
The embodiment of the invention provides a kind of transmission method and device of fixed network services, is used for by existing network being carried out fine tune various fixed network services being transmitted at non-fixed network.
On the one hand, the embodiment of the invention has proposed a kind of transmission method of fixed network services, and the method comprises: carry out for needs setting up the high priority transparent transmission channel between the calling and called of fixed network services communication; Analog signal conversion on the calling telephone line is become digital signal; Pass through called by described high priority transparent transmission channel described digital signal.
On the other hand, the embodiment of the invention has also proposed a kind of gateway, and this gateway comprises: the Path Setup unit is used between the calling and called that need to carry out fixed network services communication and sets up the high priority transparent transmission channel; AD conversion unit is used for the analog signal conversion on the calling telephone line is become digital signal; Transmitting element is used for passing through called by described high priority transparent transmission channel described digital signal.
The embodiment of the invention is transmitted fixed network services by setting up special-purpose transparent transmission channel at bearer network, so that operator only needs gateway is made the transmission that some change just can be supported various fixed network services, has reduced operation cost.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The transmission method schematic flow sheet of a kind of fixed network services that Fig. 1 provides for the embodiment of the invention;
The transmission method schematic flow sheet of the another kind of fixed network services that Fig. 2 provides for the embodiment of the invention;
The structural representation of a kind of gateway that Fig. 3 provides for the embodiment of the invention;
The structural representation of a kind of Path Setup unit that Fig. 4 provides for the embodiment of the invention;
The concrete structure schematic diagram of a kind of fixed network services transmission system that Fig. 5 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Be illustrated in figure 1 as the transmission method schematic flow sheet of a kind of fixed network services that the embodiment of the invention provides, the embodiment of the invention is to be described from the calling terminal side of carrying out these fixed network services, specifically, be to describe from the device that these fixed network services of support that link to each other with calling terminal are transmitted, the method comprises the steps:
S101: between bearer network is for the calling and called that need to carry out fixed network services communication, set up transparent transmission channel; The foundation of this transparent transmission channel is for transmission fixed network services data, and the transparency of this transmission channel on bearer network can not transmitted fixed network services so that the operator of bearer network does not need its network element just changed too much.
As one embodiment of the present of invention, the bearer network in this step can comprise mobile network, IP network, infrared network or blueteeth network etc.
Miscellaneous service in the above-mentioned bearer network can have different priority levels according to the difference of type, and this priority level can be divided into from high to low: session level is mainly used in transferring voice, video telephone etc.; The stream level is mainly used in transmission of audio stream, video flowing etc.; Mutual level is mainly used in transmission network page browsing data; The backstage level is mainly used in Email, file transfer protocol (FTP) (File Transfer Protocol, FTP) download etc.
As one embodiment of the present of invention, transparent transmission channel in this step can be the transparent transmission channel of session level, such as comprising universal mobile telecommunications system (Universal Mobile Telecom-munications System, UMTS) circuit switching (Circuit Switched, CS) data channel, the circuit switched data services of code division multiple access CDMA (Circuit Switch Data, CSD) passage, global system for mobile communications (Global System for Mobile Communications, GSM) high speed circuit switched data (High Speed Circuit Switched Data, HSCSD) packet switching of passage or Long Term Evolution LTE (Packet Switched, PS) data channel etc.
Stability and reliability when the high priority of transparent transmission channel can guarantee the fixed network services transmission.
S102: the analog signal conversion on the calling telephone line is become digital signal;
Analog signal in this step is the data-signal of fixed network services, this analog signal conversion is become the transmission bandwidth that can enlarge trunk after the digital signal in the bearer network transmission, and the specific implementation of this step can be achieved by an A/D converter.
S103: pass through called by described transparent transmission channel described digital signal.The callee, also have one to support the device of this fixed network services transmission to link to each other with terminal called, thereby can receive this digital signal, and convert this digital signal to telephone wire that analog signal enters terminal called by mould/number conversion.
The embodiment of the invention is transmitted fixed network services by setting up special-purpose transparent transmission channel at bearer network, so that operator only needs gateway is made some change so that described gateway can be supported the foundation of transparent transmission channel, just can support the transmission of various fixed network services, thereby reduce operation cost.
In one embodiment of the invention, described step S101 can comprise: set up the circuit switching (CS) data channel of 64K between the UMTS network is for the calling and called that need to carry out fixed network services communication, can comprises specifically as shown in Figure 2 step S201 and step S202:
S201: the request of sending is set up foundation (setup) message of CS data channel of 64K to terminal called;
S202: if terminal called is supported fixed network services communication, then set up the CS data channel of 64K according to the CS call flow of 3GPP regulation;
In the present embodiment, the data type that can comprise the interior the transmission of data of wanting of CS data channel of described 64K in the above-mentioned setup message, this data type can represent by title or numbering, as long as the calling and called equipment room is consensus, such as in an end-to-end territory of setup message, indicating the data that this passage will transmit with FAX or VOICE is facsimile data or speech data.
In the present embodiment, the foundation of the CS data channel of 64K is in order to transmit follow-up digital signal G.711, G.711 be a kind of standard of pulse code modulation, its sample rate is the 8k per second, and utilize a 64Kbps not pressure channel come signal transmission, so the type of this CS data channel should be complementary with the code modulated scheme of succeeding impulse.
In the present embodiment, CS call flow among the step S202 can pass through existing techniques in realizing, just no longer give unnecessary details at this, it is to be noted, if terminal called is portable terminal, various signalings in the CS call flow can directly arrive terminal called by the UMTS network, if and terminal called is fixed network terminal, then above-mentioned various signaling need to be passed through IWF (Inter-working Function, IWF) unit, by this IWF unit above-mentioned various signalings are resolved, support the conversion of signaling between UMTS network and fixed network terminal with this.
Accordingly, above-mentioned steps S102 and S103 can comprise respectively as shown in Figure 2 step S203 and S204:
S203: the analog signal on the calling telephone line is converted into meets the G.711 digital signal of standard;
Analog signal in this step on the calling telephone line is the data-signal of above-mentioned fixed network services, this analog signal conversion is become the transmission bandwidth that can enlarge trunk after the digital signal in the bearer network transmission, and the specific implementation of this step can be achieved by an A/D converter.
S204: pass through the CS data channel of described digital signal by described 64K called;
Specifically, this digital signal can be sent to Node B (base station) in the mode of radio bearer, and then enter the UMTS network through radio network controller (Radio Network Controller, RNC), and arrive called through the UMTS network.
The embodiment of the invention is transmitted fixed network services by setting up special-purpose transparent transmission channel at bearer network, so that operator only needs gateway is made some change so that described gateway can be supported the foundation of transparent transmission channel, just can support the transmission of various fixed network services, thereby reduce operation cost.Stability and reliability when the high priority of transparent transmission channel can also guarantee the fixed network services transmission in addition.
Be illustrated in figure 3 as the structural representation of a kind of gateway that the embodiment of the invention provides, this gateway comprises: Path Setup unit 310, AD conversion unit 320 and transmitting element 330, wherein, Path Setup unit 310 links to each other with AD conversion unit 320 and transmitting element 330 respectively.
Transmitting element 330 is used for passing through called by described transparent transmission channel described digital signal.Specifically, this digital signal can be sent to radio network controller (RadioNetwork Controller, RNC) in the mode of radio bearer thus enter the UMTS network, and arrive called through the UMTS network.The callee, also have one to support the device of this fixed network services transmission to link to each other with terminal called, thereby can receive this digital signal, and convert this digital signal to telephone wire that analog signal enters terminal called by mould/number conversion.
The embodiment of the invention is transmitted fixed network services by setting up special-purpose transparent transmission channel at bearer network, so that operator only needs gateway is made some change so that described gateway can be supported the foundation of transparent transmission channel, just can support the transmission of various fixed network services, thereby reduce operation cost.
In one embodiment of the invention, above-mentioned Path Setup unit 310 can be used for take UMTS as bearer network as setting up the circuit switching (CS) data channel of 64K between the calling and called that need to carry out fixed network services communication.In order to realize above-mentioned functions, as shown in Figure 4, this Path Setup unit 310 specifically can comprise:
Set up request sending module 311, its be used for to send request set up 64K the CS data channel set up setup message to terminal called, the data type that comprises the interior the transmission of data of wanting of CS data channel of described 64K in this setup message, this data type can represent by title or numbering, as long as it is consensus to live called equipment room, such as in an end-to-end territory of setup message, indicating the data that this passage will transmit with FAX or VOICE is facsimile data or speech data.
CS Path Setup module 312, it is used for setting up the CS data channel of 64K according to the CS call flow of 3GPP regulation when terminal called is supported fixed network services communication.
In the present embodiment, the foundation of the CS data channel of 64K is in order to transmit follow-up digital signal G.711, G.711 be a kind of standard of pulse code modulation, its sample rate is the 8k per second, and utilize a 64Kbps not pressure channel come signal transmission, so the type of this CS data channel should be complementary with the code modulated scheme of succeeding impulse.
In the present embodiment, the CS call flow that CS Path Setup module 312 relates in setting up CS data channel process can pass through existing techniques in realizing, just no longer give unnecessary details at this, it is to be noted, if terminal called is portable terminal, various signalings in the CS call flow can directly arrive terminal called by the UMTS network, if and terminal called is fixed network terminal, then above-mentioned various signaling need to be passed through intercommunication function unit, by this IWF unit above-mentioned various signalings are resolved, support the conversion of signaling between UMTS network and fixed network terminal with this.
Accordingly, above-mentioned AD conversion unit 320 meets the G.711 digital signal of standard for the analog signal on the calling telephone line is converted into.Here the analog signal on the calling telephone line is the data-signal of above-mentioned fixed network services, this analog signal conversion is become the transmission bandwidth that can enlarge trunk after the digital signal in the bearer network transmission.
And above-mentioned transmitting element 330 is used for passing through the CS data channel of the above-mentioned digital signal that meets standard G.711 by 64K called.Specifically, this digital signal can be sent to radio network controller (Radio Network Controller, RNC) in the mode of radio bearer thus enter the UMTS network, and arrive called through the UMTS network.
The embodiment of the invention is transmitted fixed network services by setting up special-purpose transparent transmission channel at bearer network, so that operator only needs gateway is made some change so that described gateway can be supported the foundation of transparent transmission channel, just can support the transmission of various fixed network services, thereby reduce operation cost.Stability and reliability when the high priority of transparent transmission channel can also guarantee the fixed network services transmission in addition.
Be illustrated in figure 5 as the concrete structure schematic diagram of a kind of fixed network services transmission system that the embodiment of the invention provides, below in conjunction with this figure to fixed network services transmission do following detailed description:
In the present embodiment, suppose that voice terminal 530 and facsimile terminal 540 are the calling party, and voice terminal 550, facsimile terminal 560 and portable terminal 570 are the callee, need between calling party and the callee by UMTS Internet Transmission fixed network services.
Voice terminal 530 links to each other with gateway 510 respectively with facsimile terminal 540, such as, can link to each other by the RJ11 mouth of telephone wire and gateway 510, gateway 510 comprises AD conversion unit 511, Path Setup unit 512 and UMTS Transmit-Receive Unit 513, AD conversion unit 511 links to each other with the telephone wire of voice terminal 530 and facsimile terminal 540 on the one hand, such as linking to each other with telephone wire by the RJ11 mouth, link to each other with Path Setup unit 512 on the other hand, UMTS Transmit-Receive Unit 513 then links to each other with Path Setup unit 512.
Callee's voice terminal 550 links to each other with gateway 520 respectively with facsimile terminal 560, gateway 520 comprises AD conversion unit 521, Path Setup unit 522 and UMTS Transmit-Receive Unit 523, AD conversion unit 521 links to each other with the telephone wire of voice terminal 550 and facsimile terminal 560 on the one hand, link to each other with Path Setup unit 522 on the other hand, UMTS Transmit-Receive Unit 523 then links to each other with Path Setup unit 522.
Before carrying out the fixed network services transmission, gateway 510 can utilize first its Path Setup unit 522 for setting up the CS data channel of a 64K between the calling and called that need to carry out fixed network services communication, specifically, Path Setup unit 522 can be in the setup message that the request channel is set up the data type of the transmission of data of wanting, this data type can represent by title or numbering, as long as it is consensus to live called equipment room, such as in an end-to-end territory of setup message, indicating the data that this passage will transmit with FAX or VOICE is facsimile data or speech data.Then by UMTS Transmit-Receive Unit 523 this setup message is sent to the UMTS network, arrive voice terminal 550, facsimile terminal 560 or portable terminal 570 through the UMTS network, if above-mentioned terminal called is supported the transmission of these fixed network services, then return corresponding information, set up the CS data channel of 64K by a series of Signalling exchanges.It is to be noted, if the callee is portable terminal 570, above-mentioned signaling can directly reach portable terminal 570 by the UMTS network, if the callee is voice terminal 550 or facsimile terminal 560, need an IWF unit to support the conversion of signaling between UMTS network and voice terminal 550 or the facsimile terminal 560.
Voice terminal 530 and facsimile terminal 540 will need the fixed network services data that transmit, send to gateway 510 in the mode of analog signal by telephone wire such as voice signal, facsimile signal, AD conversion unit 511 in the gateway 510 receives above-mentioned analog signal, by pulse code modulation (pulse code modulation, PCM) be translated into G.711 or other coded datas, and then the CS data channel of the 64K that this coded data is set up by Path Setup unit 522, sent with wireless mode by UMTS Transmit-Receive Unit 513.The recipient, if the callee is voice terminal 550 or facsimile terminal 560, then receives above-mentioned coded data by gateway 520, and after AD conversion unit 521 is converted to analog signal, arrive voice terminal 550 or facsimile terminal 560 by telephone wire; If the callee is portable terminal 570, then receives by the UMTS direct network and reach this callee.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in above-described embodiment method, can come the relevant hardware of instruction to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process such as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory, ROM) or store-memory body (Random Access Memory, RAM) etc. at random.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; the protection range that is not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the transmission method of fixed network services is characterized in that, described method comprises:
Between bearer network is for the calling and called that need to carry out fixed network services communication, set up transparent transmission channel; Described transparent transmission channel is the transparent transmission channel of session level, comprises the circuit switching (CS) data channel of universal mobile telecommunications system UMTS, the circuit switched data services CSD passage of code division multiple access CDMA, the high speed circuit switched data HSCSD passage of global system for mobile communications GSM or the packet switching PS data channel of Long Term Evolution LTE;
Analog signal conversion on the calling telephone line is become digital signal;
Pass through called by described transparent transmission channel described digital signal.
2. the method for claim 1 is characterized in that, describedly comprises for carrying out setting up transparent transmission channel between the calling and called of fixed network services communication at bearer network:
Between universal mobile telecommunications system UMTS network is for the calling and called that need to carry out fixed network services communication, set up the circuit switching (CS) data channel of 64K.
3. method as claimed in claim 2 is characterized in that, the described CS data channel of setting up 64K between the UMTS network is for the calling and called that need to carry out fixed network services communication specifically comprises:
The request of sending set up 64K the CS data channel set up setup message to terminal called, comprise the data type of the transmission of data of wanting in the CS data channel of described 64K in the described setup message;
If terminal called is supported fixed network services communication, then set up the CS data channel of 64K according to the CS call flow of 3GPP regulation.
4. method as claimed in claim 3 is characterized in that, if terminal called is fixed network terminal, then the described CS data channel of setting up 64K between the UMTS network is for the calling and called that need to carry out fixed network services communication also comprises:
The request of sending set up 64K the CS data channel set up setup message to IWF IWF unit, conversion by described IWF functional unit is sent to terminal called again, comprises the data type of the interior the transmission of data of wanting of CS data channel of described 64K in the described setup message.
5. the method for claim 1 is characterized in that, describedly becomes digital signal to comprise the analog signal conversion on the calling telephone line:
Analog signal on the calling telephone line is converted into meets the G.711 digital signal of standard.
6. the method for claim 1 is characterized in that, described bearer network comprises mobile network, IP network, infrared network or blueteeth network.
7. a gateway is characterized in that, comprising:
The Path Setup unit is used for setting up transparent transmission channel between bearer network is for the calling and called that need to carry out fixed network services communication; Described transparent transmission channel is the transparent transmission channel of session level, comprises the circuit switching (CS) data channel of universal mobile telecommunications system UMTS, the circuit switched data services CSD passage of code division multiple access CDMA, the high speed circuit switched data HSCSD passage of global system for mobile communications GSM or the packet switching PS data channel of Long Term Evolution LTE;
AD conversion unit is used for the analog signal conversion on the calling telephone line is become digital signal;
Transmitting element is used for passing through called by described transparent transmission channel described digital signal.
8. gateway as claimed in claim 7 is characterized in that,
Described Path Setup unit, concrete being used for take UMTS as bearer network as setting up the circuit switching (CS) data channel of 64K between the calling and called that need to carry out fixed network services communication.
9. gateway as claimed in claim 8 is characterized in that, described Path Setup unit comprises:
Set up request sending module, the request of be used for sending set up 64K the CS data channel set up setup message to terminal called, comprise the data type of the transmission of data of wanting in the CS data channel of described 64K in the described setup message;
CS Path Setup module is used for setting up the CS data channel of 64K according to the CS call flow of 3GPP regulation when terminal called is supported fixed network services communication.
10. gateway as claimed in claim 8 is characterized in that,
Described set up request sending module also be used for to send request set up 64K the CS data channel set up setup message to IWF IWF unit, conversion by described IWF functional unit is sent to terminal called again, comprises the data type of the interior the transmission of data of wanting of CS data channel of described 64K in the described setup message.
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| CN 201010120256 CN101800819B (en) | 2010-03-04 | 2010-03-04 | Method for transmitting fixed network business and gateway |
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| CN 201010120256 CN101800819B (en) | 2010-03-04 | 2010-03-04 | Method for transmitting fixed network business and gateway |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101360061A (en) * | 2008-09-17 | 2009-02-04 | 中兴通讯股份有限公司 | Method and apparatus implementing official telephone and customer transparent channel route |
| CN101384007A (en) * | 2008-09-28 | 2009-03-11 | 深圳华为通信技术有限公司 | Inter-network data transmission method, apparatus and communication device and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20020197987A1 (en) * | 2001-06-25 | 2002-12-26 | Taylor D. Cameron | Transparent data transmission for wireless/cellular communication system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101360061A (en) * | 2008-09-17 | 2009-02-04 | 中兴通讯股份有限公司 | Method and apparatus implementing official telephone and customer transparent channel route |
| CN101384007A (en) * | 2008-09-28 | 2009-03-11 | 深圳华为通信技术有限公司 | Inter-network data transmission method, apparatus and communication device and system |
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Address after: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee after: Huawei terminal (Shenzhen) Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: HUAWEI DEVICE Co.,Ltd. |
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Effective date of registration: 20181220 Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: HUAWEI DEVICE Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: Huawei terminal (Shenzhen) Co.,Ltd. |