CN1571464A - A seamless communication method for IP telephone and telephone network - Google Patents
A seamless communication method for IP telephone and telephone network Download PDFInfo
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- CN1571464A CN1571464A CN 03178450 CN03178450A CN1571464A CN 1571464 A CN1571464 A CN 1571464A CN 03178450 CN03178450 CN 03178450 CN 03178450 A CN03178450 A CN 03178450A CN 1571464 A CN1571464 A CN 1571464A
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Abstract
The invention relates to seamless communication method of IP telephone and telephone network in computer network communication technology field. It includes the following steps: communicating with the distant end user and sending communication request to the distant end gateway; the gateway analyzing the type of destination terminal, if the two ends of communicating are IP terminals, its main responsibility is to negotiate the communication parameter then two ends finish the following communication process; if the destination terminal is fixed telephone, the gateway would transform the analog signal to digital signal and associate to finish the following communication process; when gateway receiving the signal of hang-up from IP terminal or telephone network, releasing communication resource and ending communicating. It makes the full advantage of network resource, and can transmit more calling than analog technology. The efficiency is sharply increased and communication condition will never be restricted.
Description
Technical field
The present invention relates to the computer network communication technology field, the seamless means of communication of particularly a kind of IP phone and telephone network.
Background technology
Along with development of computer, computer network is also more and more universal at present, and the utilization of IP phone also more and more widely.The user can be in most of places, can be by plurality of devices as PC, notebook computer, PDA, mobile phone access network, experiencing the colourful while of the enjoy network world, can also be very easily friend's chat by an IP phone and a distant place, but at present IP phone can only communication between PC, want must dispose MODEM and telephone line by PC to the landline telephone conversation, this has improved constantly the cost of equipment, also inconvenience very.
In order to address these problems, need provide a middle-agent's layer-IP2Phone gateway to the user, the IP2Phone here refers to the communication (far-end comprises landline telephone or computer) from the IP phone to the far-end, realize of the switching of IP digital circuit by it, help the user to finish and set up conversation connection and follow-up communication process to analog phone line.
Summary of the invention
The object of the present invention is to provide the seamless means of communication of a kind of IP phone and telephone network, make the user need not consider hardware device, under the operating system, realize the mutual of PC or mobile device and remote phone equipment with short as far as possible time, the shirtsleeve operation process of trying one's best.The equipment at user place does not need MODEM, does not need telephone line, as long as user's equipment enters a network environment, links the IP2Phone gateway, and the user just can arbitrary calling far-end computer or remote phone.
Technical scheme
System is divided into two parts: IP2Phone terminal and IP2Phone gateway.
The IP2Phone gateway: it is a computer that has voice Modem and telephone line and be connected into internet on physical structure.It mainly realizes the maintenance of call establishment, calling and the release of calling, it is a kind of framework utilizes existing VoIp router (Route) and gateway (GateWay) to greatest extent on Internet a system, adopt distributed structure/architecture, details are as follows for major function: 1. finish the real-time voice compression, the Speech Signal Compression of 64kbit/s can be become the voice signal of low code check.2. finish the signaling transfer point of calling, it realizes Phone-PC, and the switching between IP network and the PSTN/PBX/ISDN network is finished in the PC-Phone speech communication.3. finish addressing and call out control, it is responsible for the foundation and the release of calling line.4. call authorization and management authenticates the user's that inserts identity, prevents disabled user's access.The IP2Phone terminal: it mainly realizes the function that user side is called.Gateway is main in communication process is responsible for helping both call sides to set up talking link, and the control talking link discharges talking link.Gateway has the function of Intelligence Selection, can determine whether that needs insert the analog electrical phone network according to the type of the target terminal of calling out.
Call out in the process of PC at PC,, between PC and PC, set up a data link then, finish communication process by the parameter that gateway is consulted conversation.
Call out in the process of remote phone at PC, at first, be responsible for remote phone is changed and is forwarded in call request by gateway, if nobody replys after specifying shake bell number of times, then notification call reef knot bundle conversation.If the other side replys, gateway is set up a data link with correspondent after the conversation parameter of calling party, and the beginning of PC end sends the audio-frequency information of gathering according to negotiation parameter to talking link, and receives and playback of audio information from talking link simultaneously; Gateway is responsible for the audio-frequency information that the audio signal sample of telephony side becomes the PC section to discern, and send it to talking link, be responsible for that simultaneously the audio-frequency information that receives is converted to the audio signal that landline telephone can discern and send to remote phone from talking link.
The IP phone in the computer network communication technology of the present invention field and the seamless means of communication of telephone network.Key step is: converse with the user of far-end, to the gateway transmission call request of far-end; Gateway is resolved the target terminal type, if target terminal is the IP terminal, then two IP terminals of gateway-assisted are set up talking link and conversed; If target terminal is a landline telephone, then gateway is finished and the call request of IP terminal is converted to analog signal and is forwarded on the telephone network; The gateway-assisted both call sides is finished communication process, if both call sides is the IP terminal, then mainly be to be responsible for consulting the conversation parameter, finish follow-up communication process then by both party, if target terminal is a landline telephone, then carry out the conversion of corresponding analog and digital signal, and assist to finish follow-up communication process by gateway; Gateway receives the hang-up signal in IP terminal or the telephone network, discharges the conversation resource, and finishes conversation.
Description of drawings
Fig. 1 is smart phone call flow figure;
Fig. 2 is PC-PC call flow figure;
Fig. 3 is pc end and telephone relation flow chart.
Beginning is described the operating process that the IPhone utilize this programme to realize calls in detail with reference to Fig. 1 below. in step S11, the user prepares to utilize the user of IP phone and far-end to converse. and user's computer begins to send call request to the gateway of far-end in step S12, the gateway-assisted of request far-end builds on the conversation link of remote subscriber. and the gateway of far-end receives user's call request in step S13, the beginning analysis user; Gateway is judged user's call request in step S14, if carry out the call request of IP phone, flow process forwards step S15 to; If not, think then and the call request of landline telephone that flow process forwards step S16 to; In step S15, gateway is responsible for sending call request to the Target IP terminal; Two IP terminals are set up talking link in step S17, and the user converses by talking link.In step S18, gateway obtains hang-up signal, in step S19, discharges resources such as the network bandwidth such as talking link. after resource discharges and finishes. and end of conversation; Gateway converts the call request of IP terminal to analog signal and is forwarded on the telephone network among the step S16. in step S17, gateway receives the connection signal in the telephone network, gateway begins the call-information of receiving telephone network, gateway is set up talking link in calling party IP terminal simultaneously, calling party IP terminal is changed and be forwarded to call-information in the telephone network that receives, and the call-information of the collection of calling party IP terminal conversion and be forwarded in the telephone network. gateway receives the hang-up signal in calling party IP terminal or the telephone network in step S18, flow process forwards step S19 to and discharges the conversation resource, and finishes conversation.
Beginning is described the operating process that two IP terminal rooms are conversed in detail with reference to Fig. 2 below. the IP terminal of calling party called gateways at first in step S21, send the request of conversing with called party's terminal to gateway. the call request that the gateway analysis receives in step S22, because be the conversation between IP terminal and another IP terminal, if gateway is not handled the IP terminal that directly is transmitted to the called party to call request. the answer signal of the called IP terminal of gateway waits in step S23. also do not receive the answer signal of being called out the IP terminal at the appointed time. flow process enters step S29, if finish conversation. receive the answer signal of being called out the IP terminal, two IP terminals then begin to carry out the negotiation of conversation parameters such as speech quality. and and the conversation parameter that consults according to both sides in step S26 is set up talking link. and talking link is two IP terminal call transmission of Information passages. and two IP terminals constantly receive the audio signal from the other side from talking link in step S27, simultaneously again user's signal is constantly sent to the other side by talking link. judge in step S28 whether gateway has received the signal that finishes conversation, if do not receive the signal that finishes conversation, flow process rotates back into step S27. if end of conversation, and flow process finishes.
Below we refer again to Fig. 3 and describe the operating process that the user converses by IP terminal and landline telephone in detail. in step S31, the user is by IP terminal call gateway, send call request. the call request that the gateway analysis receives in step S32, because be the conversation between IP terminal and landline telephone, gateway is changed call request and be forwarded to telephone network. in step S33 gateway begin to wait for telephone network answer signal, and in step 34, analyze and the judgement answer signal, if not answering signal, flow process forwards S39 to, finish conversation. if answer signal. flow process forwards S35 to, gateway is provided with the conversation parameter according to landline telephone, at step S35, among the S36, gateway is set up talking link according to the conversation parameter that is provided with and the IP terminal of calling party. in step S37, gateway is constantly gathered the voice signal that receives from telephone network by voice modem, and send to calling party by telephone speech link, received speech signal and convert analog signal to and be forwarded to telephone network .IP calling party also simultaneously from talking link received speech signal and constantly voice signal is sent to gateway from the IP talking link simultaneously by modem. gateway judges whether the signal that receives is to finish conversation signal among step S38, if not, flow process forwards the S37 conversation to and proceeds. if call ending signal, end of conversation, discharge resource, flow process finishes.
Utilization IP2Phone realizes that the IP digital network has following major advantage to analog electrical judgement the other side type of number phone network exchange message:
1. make full use of Internet resources
IP2Phone has adopted advanced Digital Signal Processing, the voice signal of former 64kb/s can be compressed into the 8kb/s or the data flow of low bit rate rate more, and more calling in the time of can transfer ratio adopts analogue technique on the same line road has improved efficient greatly.And what IP2Phone adopted is packet-switch technology, can realize the statistic multiplexing of channel, makes utilization rate of network resource better, reduces the input cost of operator greatly.
2. convenient easy-to-use, the conversation condition is unrestricted.
IP2Phone does not require that the user disposes Modem and equipment such as ordinary telephone wiring, telephone set, and is as long as the user can be connected into Internet and just can call, greatly convenient for users to use.
Claims (3)
1, the seamless means of communication of a kind of IP phone and telephone network, its step is as follows:
Among the step S11, the user prepares to utilize the user of IP phone and far-end to converse;
Among the step S12, user's computer begins to send call request to the gateway of far-end, and the gateway-assisted of request far-end builds on the conversation link of remote subscriber;
Among the step S13, the gateway of far-end receives user's call request, the beginning analysis user;
Among the step S14, gateway judges that to user's call request if carry out the call request of IP phone, flow process forwards step S15 to; If not, think then and the call request of landline telephone that flow process forwards step S16 to;
Among the step S15, gateway is responsible for sending call request to the Target IP terminal;
Among the step S17,, two IP terminals are set up talking link, and the user converses by talking link;
Among the step S18, gateway obtains hang-up signal;
Among the step S19, discharge the talking link network bandwidth resources, after resource discharges and finishes, end of conversation;
Among the step S16, gateway converts the call request of IP terminal to analog signal and is forwarded on the telephone network;
Among the step S17, gateway receives the connection signal in the telephone network, gateway begins the call-information of receiving telephone network, IP terminal in gateway call side is set up talking link simultaneously, calling party IP terminal is changed and be forwarded to call-information in the telephone network that receives, and the call-information of the collection of calling party IP terminal is changed and is forwarded in the telephone network;
Among the step S18, gateway receives the hang-up signal in calling party IP terminal or the telephone network, and flow process forwards step S19 to and discharges the conversation resource, and finishes conversation.
According to the IP phone of claim 1 and the seamless means of communication of telephone network, it is characterized in that 2, when carrying out the call request of IP phone, its step is as follows:
Among the step S21, the IP terminal of calling party is called gateways at first, sends the request of conversing with called party's terminal to gateway;
Among the step S22, the call request that the gateway analysis receives, because be conversation between IP terminal and another IP terminal, gateway is not handled the IP terminal that directly is transmitted to the called party to call request;
Among the step S23, the answer signal of the called IP terminal of gateway waits, if also do not receive the answer signal of being called out the IP terminal at the appointed time, flow process enters step S29, finishes conversation; If receive the answer signal of being called out the IP terminal, two IP terminals then begin to carry out the negotiation of speech quality conversation parameter, and the conversation parameter that consults according to both sides in step S26 sets up talking link, and talking link is two IP terminal call transmission of Information passages;
Among the step S27, constantly reception is from the other side's audio signal from talking link for two IP terminals, and the while constantly sends to the other side to user's signal by talking link again;
Judge among the step S28 whether gateway has received the signal of end conversation, if do not receive the signal that finishes conversation, flow process rotates back into step S27, if end of conversation, flow process finishes.
According to the IP phone of claim 1 and the seamless means of communication of telephone network, it is characterized in that 3, when carrying out the call request of landline telephone, its step is as follows:
Among the step S31, the user sends call request by IP terminal call gateway;
Among the step S32, the call request that the gateway analysis receives, because be conversation between IP terminal and landline telephone, gateway is changed call request and be forwarded to telephone network;
Among the step S33, gateway begin to wait for telephone network answer signal;
In the step 34, analyze and the judgement answer signal, if not answering signal, flow process forwards S39 to, finishes conversation; If answer signal, flow process forwards S35 to, and gateway is provided with the conversation parameter according to landline telephone;
Among step S35, the S36, gateway is set up talking link according to the conversation parameter that is provided with and the IP terminal of calling party;
Among the step S37, gateway is constantly gathered the voice signal that receives from telephone network by voice modem, and send to calling party by telephone speech link, received speech signal and convert analog signal to and be forwarded to telephone network by modem from the IP talking link simultaneously, IP calling party are also simultaneously from the talking link received speech signal and constantly voice signal is sent to gateway;
Among the step S38, gateway judges whether the signal that receives is to finish conversation signal, if not, flow process forwards the S37 conversation to and proceeds; If call ending signal, end of conversation discharges resource, and flow process finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03178450XA CN100547987C (en) | 2003-07-17 | 2003-07-17 | The seamless means of communication of a kind of IP phone and telephone network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB03178450XA CN100547987C (en) | 2003-07-17 | 2003-07-17 | The seamless means of communication of a kind of IP phone and telephone network |
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| Publication Number | Publication Date |
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| CN1571464A true CN1571464A (en) | 2005-01-26 |
| CN100547987C CN100547987C (en) | 2009-10-07 |
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| CNB03178450XA Expired - Fee Related CN100547987C (en) | 2003-07-17 | 2003-07-17 | The seamless means of communication of a kind of IP phone and telephone network |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009030096A1 (en) * | 2007-09-05 | 2009-03-12 | Wanchun Hou | Mobile communication client and client communication server and method for accomplishing communication |
| CN100527694C (en) * | 2006-05-10 | 2009-08-12 | 华为技术有限公司 | Method and device for providing multi public network service for small networks |
| CN101867669B (en) * | 2009-04-20 | 2013-02-13 | 鸿富锦精密工业（深圳）有限公司 | Multimedia terminal adapter and method for automatically transferring call thereof |
| CN105338206A (en) * | 2014-05-29 | 2016-02-17 | 国基电子（上海）有限公司 | Network telephone gateway and emergency call processing method thereof |
| CN105516123A (en) * | 2015-12-07 | 2016-04-20 | 贵阳朗玛信息技术股份有限公司 | Method for communication between VOIP (Voice over Internet Protocol) and telephone network telephone and PCLS |
| CN105611516A (en) * | 2016-03-10 | 2016-05-25 | 杭州腾展科技有限公司 | Telephone calling system and telephone calling method |
| CN106254697A (en) * | 2016-07-29 | 2016-12-21 | 山东亚华电子股份有限公司 | The implementation method of nursing communicating system calling gateway |
| CN106559915A (en) * | 2015-09-29 | 2017-04-05 | 成都鼎桥通信技术有限公司 | Fail soft implementation method and base station |
| CN107104890A (en) * | 2017-03-08 | 2017-08-29 | 青岛科恩锐通信息技术股份有限公司 | A kind of many network communication systems |
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2003
- 2003-07-17 CN CNB03178450XA patent/CN100547987C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100527694C (en) * | 2006-05-10 | 2009-08-12 | 华为技术有限公司 | Method and device for providing multi public network service for small networks |
| WO2009030096A1 (en) * | 2007-09-05 | 2009-03-12 | Wanchun Hou | Mobile communication client and client communication server and method for accomplishing communication |
| CN101867669B (en) * | 2009-04-20 | 2013-02-13 | 鸿富锦精密工业（深圳）有限公司 | Multimedia terminal adapter and method for automatically transferring call thereof |
| CN105338206A (en) * | 2014-05-29 | 2016-02-17 | 国基电子（上海）有限公司 | Network telephone gateway and emergency call processing method thereof |
| CN105338206B (en) * | 2014-05-29 | 2018-09-28 | 国基电子（上海）有限公司 | Gateways for network telephone call and its method for handling urgency traffic |
| CN106559915A (en) * | 2015-09-29 | 2017-04-05 | 成都鼎桥通信技术有限公司 | Fail soft implementation method and base station |
| CN105516123A (en) * | 2015-12-07 | 2016-04-20 | 贵阳朗玛信息技术股份有限公司 | Method for communication between VOIP (Voice over Internet Protocol) and telephone network telephone and PCLS |
| CN105516123B (en) * | 2015-12-07 | 2019-10-25 | 贵阳朗玛信息技术股份有限公司 | The method and landing telephone service server of the networking telephone and telephone network telephone communication |
| CN105611516A (en) * | 2016-03-10 | 2016-05-25 | 杭州腾展科技有限公司 | Telephone calling system and telephone calling method |
| CN106254697A (en) * | 2016-07-29 | 2016-12-21 | 山东亚华电子股份有限公司 | The implementation method of nursing communicating system calling gateway |
| CN106254697B (en) * | 2016-07-29 | 2019-12-31 | 山东亚华电子股份有限公司 | Method for realizing calling gateway of nursing communication system |
| CN107104890A (en) * | 2017-03-08 | 2017-08-29 | 青岛科恩锐通信息技术股份有限公司 | A kind of many network communication systems |
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| Publication number | Publication date |
|---|---|
| CN100547987C (en) | 2009-10-07 |
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Granted publication date: 20091007 Termination date: 20200717 |