CN101262528B - A multi-gateway backup method for voice access of network call - Google Patents
A multi-gateway backup method for voice access of network call Download PDFInfo
- Publication number
- CN101262528B CN101262528B CN2008100062055A CN200810006205A CN101262528B CN 101262528 B CN101262528 B CN 101262528B CN 2008100062055 A CN2008100062055 A CN 2008100062055A CN 200810006205 A CN200810006205 A CN 200810006205A CN 101262528 B CN101262528 B CN 101262528B
- Authority
- CN
- China
- Prior art keywords
- voice
- voice gateway
- gateway
- source
- address
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention discloses a multi gateway back-up method for VoIP voice access, which comprises: the numbers of destination IP audio gateways configured under dial-peer (dial-peer) are increased and different priorities are assigned to a plurality of destination IP audio gateways. The invention realizes the back-up among the audio gateways by the method, ensures the normal establishment of the VoIP voice calls when the main destination IP audio gateway has faults or cannot be connected; .moreover, the method of the invention ensures that voice access services can be provided again after the recovery of the main destination IP audio gateway, thus ensuring the orderliness and flexibilities of the network.
Description
Technical field
The present invention relates to VoIP (voice over IP network, the networking telephone) speech communication field, relate in particular to the multiple gateway redundancy technique that the VoIP voice insert.
Background technology
VoIP is (Voice Over IP network, the networking telephone) abbreviation, our daily said IP phone is exactly typical case's application of VoIP, and the application of VoIP on router makes speech business to carry by IP network, as traditional telephone service.VoIP realizes that by packets of voice in VoIP, digital signal processor (DSP, Digital Signal Processor) encapsulates framing with voice signal and is stored in the grouping bag and transmits.VoIP mainly is a kind of software solution, but need install voice interface card additional on router or voice module provides speech interface to realize.
It is that the technology of IP message is increasingly mature and practical that technological accumulation in the past few years makes speech conversion, integrated circuit (IC, Integrated Circuit) high speed development of technology makes that the core parts of IP phone---the price of digital processing unit descends significantly, and this all provides technical possibility for the popularization of IP phone.The driving of market interest also is the major reason that IP phone develops rapidly.Utilize the voip network that equipment such as ip voice gateway is set up toll telephone can be switched on the data network, thereby save a large amount of long-distance telephone expenses expenses, for the user brings benefit.IP phone developed into now from the beginning of the nineties, enter into ip voice gateway period period by IP phone software, and present voip technology uses also PC (home computer) product from simply having voice service, develop into have multi-service, high reliability and the better telecommunication service of meeting speech, fax and the data transport functions of service quality.At present, mainly utilize the ip voice gateway to realize PSTN (Public Switched Telephone Network, PSTN) and the Internet intercommunication, simultaneously PC to phone, phone to PC, phone is to the technology of phone maturation, the quality of speech also improves greatly.
Be used to realize that the interconnected implementation method of VoIP voice mainly is by dispose dial-peer (Dial-Peer) on voice gateways on the router voice gateways at present, under dial-peer, dispose the IP address of the voice gateways of specific destination Mobile Station International ISDN Number office direction (set that some have the telephone number of same characteristic features is similar to the area code in the traditional voice system) and these office directions of management then; When certain ip voice gateway receives call request, can set up voip call with the corresponding relation of address with the purpose voice gateway router after being configured to like this and be connected, thereby realize the transmission of voice on IP network according to the office direction under the local dial-peer.
Because general down destination Mobile Station International ISDN Number office direction of configuration and the purpose voice gateways IP address of only allowing of the dial-peer on the existing ip voice gateway, cause audio call normally to set up when the purpose voice gateways down machine that disposes or IP address are unreachable in actual like this use, this just causes this type of VoIP reliability of applying and stability to have defective.
Existing patent documentation comprises: number of patent application is the United States Patent (USP) " Voiceover IP auto-switching/backup for emergency calls " of US2006221938.
The US2006221938 patent exists above not enough: one, this patent has only illustrated that the gateway of argument switches to when unavailable on the standby destination device but has not illustrated that main equipment recovers the back hand-off process, and the flexibility of device backup is not enough.Two, this patent is being judged the active and standby method that continues to send the Ping bag to the equipment of argument that adopted when unavailable with equipment, and this method is the burden of increasing ip voice gateway itself and whole network obviously.
Number of patent application is that the patent of CN101051883 has also just proposed how to carry out the business switching after main voice server recovers, and the business that does not propose behind the main speech server failure is switched.
Summary of the invention
Technical problem solved by the invention is to provide a kind of multi-gateway backup method of VoIP voice access, to solve in the prior art paralysis problem of VoIP speech network when purpose ip voice gateway device is unavailable.
In order to address the above problem, the invention provides the multi-gateway backup method that a kind of networking telephone voice insert, be applied in the VoIP voice system, this voice system comprises calling/called user, source ip voice gateway, IP network, active/standby purpose ip voice gateway and called PSTN, and it may further comprise the steps:
(1) called PSTN linked office to Dial-Peer under the IP address of a plurality of backup purpose ip voice gateways of configuration, and different priority is set; Calling subscriber under the ip voice gateway of source makes a call, called-number is in the called PSTN network during user, source ip voice gateway receives the Dial-Peer tabulation of calling out the local configuration of back inquiry, find according to called number argument the ip voice gateway the IP address and initiate voip call to this address and set up request, forward step (3) to if access success is set up, then do not forward next step to if the ip voice gateway of argument has response;
(2) the IP address of a plurality of backup purpose ip voice gateways of disposing in step (1) of described source ip voice gateway is according to the priority request that makes a call successively from high to low, if wherein certain IP address call is successfully set up and is then forwarded step (3) to, if then this call failure all can not successfully be set up when calling out in the IP address of the backup purpose ip voice gateway of all configurations, send busy tone to the calling subscriber and finish;
(3) purpose ip voice gateway and source ip voice gateway are successfully set up after voip call is connected, and the calling and called user can carry out normal talking.
Method of the present invention, wherein, described step (1) further is included in the relevant Dial-Peer of configuration under the ip voice gateway of source before.
Method of the present invention, wherein, described step (3) further comprises: when purpose ip voice gateway and source ip voice gateway are successfully set up after voip call is connected, described source ip voice gateway is transferred to called PSTN network with calling after searching the local number table according to called number, call setup is finished behind called subscriber's ring off-hook in the described called PSTN network, and the calling and called user can carry out normal talking.
Wherein, the ip voice gateway of argument does not have response described in the step (1), further sets up voip call when being connected for failing at the appointed time when source ip voice gateway with the ip voice gateway of argument, and the ip voice gateway of argument does not have response.
The described fixed time, set up voip call for the ip voice gateway of described source ip voice gateway and argument and be connected the needed time.
In the described step (1) to the different priority of IP address setting of a plurality of backup purpose ip voice gateways, further the IP address for the ip voice gateway of described argument is a limit priority, successively the different priority of the IP address setting of a plurality of backup purpose ip voice gateways all is lower than the priority of IP address of the ip voice gateway of argument.
Compared with prior art, the present invention increased dial-peer (Dial-Peer) down the number of the purpose ip voice gateway of configuration realized backup between these voice gateways, the ip voice gateway that has guaranteed argument breaks down or the normal foundation of the VoIP audio call temporarily can't connect the time.
In addition, the present invention also provides to a plurality of purpose ip voice gateways distribute different priority, has guaranteed that like this ip voice gateway of argument recovers can provide the voice access service again later, thereby has guaranteed the order and the flexibility of network.
Description of drawings
Fig. 1 is the networking structure schematic diagram that adopts the specific implementation of the multi-gateway backup method that networking telephone voice of the present invention insert;
Fig. 2 is the multi-gateway backup method flow chart that the described networking telephone voice of the embodiment of the invention insert;
Fig. 3 is a call proceeding process process chart in the multi-gateway backup method that inserts of the described networking telephone voice of the embodiment of the invention.
Embodiment
The multi-gateway backup method that the present invention provides a kind of VoIP voice to insert here is to solve in the prior art paralysis problem of VoIP speech network when purpose ip voice gateway device is unavailable.Below embodiment is described in detail, but not as a limitation of the invention.
As shown in Figure 1, be typical application scene of the present invention, system equipment and unit in this application scenarios comprise: calling/called voice user PHONE, source ip voice gateway, purpose ip voice gateway, the Internet of Packet Data Network and traditional public switch telephone network (PSTN).
Generally speaking in networking structure schematic diagram shown in Figure 1, when the user PHONE1 under being arranged in source ip voice gateway 1 will converse with the user PHONE2 of traditional public switch telephone network, source ip voice gateway 1 receives that setting up the VoIP voice with purpose ip voice gateway 1 after the dialing request of PHONE1 is connected, by purpose ip voice gateway 1 calling is relayed to the PSTN network again, the voice user PHONE1 that after this is positioned at the ip voice gateway just can carry out voice call with the voice user PHONE2 that is positioned at the traditional PSTN telephone network.
In the present invention when breaking down appears in purpose ip voice gateway 1, source ip voice gateway 1 can monitor fault and attempt setting up voip call with the purpose ip voice gateway 2 of backup and be connected, by purpose ip voice gateway 2 calling is relayed to the PSTN network again, the voice user PHONE1 that after this is positioned at the ip voice gateway just can carry out voice call with the voice user PHONE2 that is positioned at the traditional PSTN telephone network.
Because purpose ip voice gateway 1 has different priority with purpose ip voice gateway 2 on the ip voice gateway of source, so will provide the trunk connection service for the calling between PHONE1 and the PHONE again after 1 fault recovery of purpose ip voice gateway.
Furtherly, in networking shown in Figure 1, calling between PHONE1 and the PHONE2 provides the calling trunk connection by source ip voice gateway 1 and purpose ip voice gateway 1 generally speaking, and changing when purpose ip voice gateway 1 breaks down by source ip voice gateway 1 and purpose ip voice gateway 2 provides the calling trunk connection.Similarly, calling between PHONE3 and the PHONE2 provides the calling trunk connection by source ip voice gateway 2 and purpose ip voice gateway 2 generally speaking, and changing when purpose voice gateways 2 break down by source ip voice gateway 2 and purpose ip voice gateway 1 provides the calling trunk connection.
As shown in Figure 2, the concrete steps of the method for the invention are as follows:
The call initiator PHONE that is positioned under the ip voice gateway of source makes a call, and the number of calling is the user in the called PSTN network; Source ip voice gateway receives the dial-peer tabulation of calling out the local configuration of back inquiry, find according to called number argument the ip voice gateway the IP address and initiate voip call to this address and set up request, forward step 203 to if access success is set up, then do not forward step 202 to if the ip voice gateway of argument has response.
Below in conjunction with shown in Figure 3, introduce specific implementation of the present invention and flow process in detail, an audio call subsequent steps that realizes according to the present invention is as follows:
Step 310, source ip voice gateway is received user's off hook signal and is collected called number;
Compared with prior art, the present invention increased dial-peer (Dial-Peer) down the number of the purpose ip voice gateway of configuration realized backup between these voice gateways, the ip voice gateway that has guaranteed argument breaks down or the normal foundation of the VoIP audio call temporarily can't connect the time.
In addition, the present invention also provides to a plurality of purpose ip voice gateways distribute different priority, has guaranteed that like this ip voice gateway of argument recovers can provide the voice access service again later, thereby has guaranteed the order and the flexibility of network.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (6)
1. the multi-gateway backup method that inserts of networking telephone VoIP voice, be applied in the VoIP voice system, this voice system comprises calling/called user, source ip voice gateway, IP network, active/standby purpose ip voice gateway and called public switch telephone network PSTN, it is characterized in that, may further comprise the steps:
(1) called PSTN linked office to Dial-Peer under the IP address of a plurality of backup purpose ip voice gateways of configuration, and different priority is set; Calling subscriber under the ip voice gateway of source makes a call, called-number is in the called PSTN network during user, source ip voice gateway receives the Dial-Peer tabulation of calling out the local configuration of back inquiry, find according to called number argument the ip voice gateway the IP address and initiate voip call to this address and set up request, forward step (3) to if access success is set up, then do not forward next step to if the ip voice gateway of argument has response;
(2) the IP address of a plurality of backup purpose ip voice gateways of disposing in step (1) of described source ip voice gateway is according to the priority request that makes a call successively from high to low, if wherein certain IP address call is successfully set up and is then forwarded step (3) to, if then this call failure all can not successfully be set up when calling out in the IP address of the backup purpose ip voice gateway of all configurations, send busy tone to the calling subscriber and finish;
(3) purpose ip voice gateway and source ip voice gateway are successfully set up after voip call is connected, and the calling and called user can carry out normal talking.
2. the method for claim 1 is characterized in that, described step (1) further is included in the relevant Dial-Peer of configuration under the ip voice gateway of source before.
3. the method for claim 1, it is characterized in that, described step (3) further comprises: when purpose ip voice gateway and source ip voice gateway are successfully set up after voip call is connected, described source ip voice gateway is transferred to called PSTN network with calling after searching the local number table according to called number, call setup is finished behind called subscriber's ring off-hook in the described called PSTN network, and the calling and called user can carry out normal talking.
4. method as claimed in claim 2, it is characterized in that, the ip voice gateway of argument does not have response described in the step (1), further sets up voip call when being connected for failing at the appointed time when source ip voice gateway with the ip voice gateway of argument, and the ip voice gateway of argument does not have response.
5. method as claimed in claim 4 is characterized in that, the described fixed time, sets up voip call for the ip voice gateway of described source ip voice gateway and argument and is connected the needed time.
6. method as claimed in claim 2, it is characterized in that, in the described step (1) to the different priority of IP address setting of a plurality of backup purpose ip voice gateways, further the IP address for the ip voice gateway of described argument is a limit priority, successively the different priority of the IP address setting of a plurality of backup purpose ip voice gateways all is lower than the priority of IP address of the ip voice gateway of argument.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008100062055A CN101262528B (en) | 2008-02-03 | 2008-02-03 | A multi-gateway backup method for voice access of network call |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008100062055A CN101262528B (en) | 2008-02-03 | 2008-02-03 | A multi-gateway backup method for voice access of network call |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101262528A CN101262528A (en) | 2008-09-10 |
CN101262528B true CN101262528B (en) | 2011-01-05 |
Family
ID=39962720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008100062055A Active CN101262528B (en) | 2008-02-03 | 2008-02-03 | A multi-gateway backup method for voice access of network call |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101262528B (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102026242A (en) * | 2009-09-22 | 2011-04-20 | 中兴通讯股份有限公司 | Multimedia session method and device |
US8626174B2 (en) | 2009-12-09 | 2014-01-07 | Telefonaktiebolaget L M Ericsson (Publ) | Call switching in packet-based communication networks |
JP2011211554A (en) * | 2010-03-30 | 2011-10-20 | Hitachi Plant Technologies Ltd | Radio sensor network system |
CN101944987B (en) * | 2010-05-27 | 2013-02-20 | 迈普通信技术股份有限公司 | Method for setting and switching dial-on-demand lines of master and slave backups, and system and equipment |
CN101951346B (en) * | 2010-10-27 | 2013-06-19 | 迈普通信技术股份有限公司 | SIP (Session Initiation Protocol) relay routing method and system thereof |
CN101969512B (en) * | 2010-10-29 | 2015-04-01 | 迈普通信技术股份有限公司 | IP (Internet Protocol) voice private line control method and equipment thereof |
CN102255750B (en) * | 2011-06-28 | 2017-05-10 | 中兴通讯股份有限公司 | Method and device for service disaster recovery protection |
CN103391378B (en) * | 2012-05-07 | 2015-12-02 | 华为技术有限公司 | A kind of Voice over IP method of calling, Apparatus and system |
CN108632476B (en) * | 2018-04-26 | 2021-10-15 | 贵阳朗玛信息技术股份有限公司 | PSTN-fused mobile internet voice platform system and communication method thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101051883A (en) * | 2007-05-11 | 2007-10-10 | 杭州华三通信技术有限公司 | Service switching method and system after main voice server fault restoring |
-
2008
- 2008-02-03 CN CN2008100062055A patent/CN101262528B/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101051883A (en) * | 2007-05-11 | 2007-10-10 | 杭州华三通信技术有限公司 | Service switching method and system after main voice server fault restoring |
Also Published As
Publication number | Publication date |
---|---|
CN101262528A (en) | 2008-09-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101262528B (en) | A multi-gateway backup method for voice access of network call | |
TWI309128B (en) | Flexible and scalable integrated access device | |
US7369544B2 (en) | Internet telephone system with hunting diversion | |
US7471673B2 (en) | IP telephone system having a hold function and a callback function | |
JP3303776B2 (en) | Exchanger for connecting LAN telephone terminal and connection method therefor | |
CN101159719B (en) | VoIP analogy gateway and inside switch method of implementing conversation under fault condition | |
CN100499696C (en) | Method for solving interior and exterior simultaneous robbing under signaling and service separate structure | |
CN101170422A (en) | Network communication device based on point-to-point communication mod and incoming call and plug processing method | |
CN101355804B (en) | System and method for seamless disaster-containing switching next generation network medium gateway | |
CN101895646A (en) | Media gateway telephone service protection method and device | |
CN101094274A (en) | Method for realizing disaster tolerated uninterrupted call in media gateway of next generation of network | |
CN101753667A (en) | Method for realizing speech business through wireless network and communication terminal | |
US6816482B2 (en) | System and method for interfacing a broadband network and a circuit switched network | |
JP2000501911A (en) | How to configure for auxiliary resources | |
CN101166111B (en) | A service protection method for access gateway | |
KR100417118B1 (en) | Intelligent Phone Exchange System | |
CN101594600B (en) | Media conversion method based on soft switch, soft switch and media conversion gateway | |
CN101222651B (en) | Method and device for implementing co-line call | |
CN100576861C (en) | Call transfer device and call center system and call transferring method | |
JP2005167421A (en) | Voice communication system, and communication apparatus and telephone exchange for voice communication system | |
CN101478618B (en) | External line state detection method for external switching center | |
US20100014654A1 (en) | Retablissement d'appel dans un serveur d'appel d'installation de telecommunications privee | |
KR100445557B1 (en) | relay billing apparatus, system and method for direct outward dialing | |
CN100518338C (en) | Method for increasing jointing-success-rate of calling | |
JP3112860B2 (en) | Network connection device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |