CN102612062A - Method for testing and analyzing unipath of soft switch system - Google Patents
Method for testing and analyzing unipath of soft switch system Download PDFInfo
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- CN102612062A CN102612062A CN2011100221477A CN201110022147A CN102612062A CN 102612062 A CN102612062 A CN 102612062A CN 2011100221477 A CN2011100221477 A CN 2011100221477A CN 201110022147 A CN201110022147 A CN 201110022147A CN 102612062 A CN102612062 A CN 102612062A
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Abstract
The invention discloses a method for testing and analyzing a unipath of a soft switch system, and belongs to the technical field of communication. The method comprises the following steps of: a) simulating a voice call from an outgoing call to the current network terminal in a soft switch network by a network element simulation method; b) judging whether the unipath exists by calculating and comparing a voice packet sent by a calling party with a voice packet received by a called party; and c) if the unipath exists according to the step b, holding the call, and performing further analysis. The method can be used in the soft switch network; and a unipath failure of the soft switch network is tested by the network element simulation method, and a specific failure reason is analyzed.
Description
Technical field
The present invention relates to flexible exchanging network, relate in particular in the method that moves single-pass test and accident analysis in the flexible exchanging network.Belong to communication technical field.
Background technology
In moving flexible exchanging network, voice transfer all is upgraded to easy generation shake and occurs on the IP network of packet loss, so network some problem faults takes place unavoidably, for example more common flexible exchanging network fault---single-pass.The method of existing test and analysis soft switch single-pass mainly contains two kinds: check network element log and utilize the mobile phone testing.The former can view detailed network element log, comprises the information such as daily record and alarm of single-pass, but can only see a record, can't analyze and locate concrete problem; The latter can maintain calling when finding single-pass, judge that through the mode that manual work is checked the problem of IP bearer network still is the problem of MGW network element, but this method of testing full name needs all manual operation to accomplish.The advantage that can find out the former is that cost is low, but can only pinpoint the problems, and can't analyse in depth; The latter can find and analyze single-channel fault, but testing efficiency is low, with high costs, can't carry out the whole network coverage test of 7 * 24 hours
The present invention has combined the advantage of existing two kinds of means of testing, proposes a kind of completely new approach that the flexible exchanging network single-pass is tested and analyzed.The mode of calling out through emulation soft switch network element simulation existing network real speech solves poor efficiency that manual work utilizes the mobile phone testing and high cost problem; And in detecting voice quality, send the service quality of ICMP bag test I P bearer network;, single-channel fault can judge that network problem still is the problem of network element itself when taking place accurately; Use for reference the advantage of mobile phone testing simultaneously; When sending single-channel fault, maintain calling and do not discharge, when judging fault, can send alarm to network management center from network element itself; And the hardware log of checking MGW of the mode informing network attendant through note or mail, through daily record can accurate in locating generation problem dsp chip.
Both the problem of checking that network element log can not be analysed in depth be can solve by this method, mobile phone testing inefficiency, problem with high costs solved again.It can realize the single-channel fault monitoring that flexible exchanging network the whole network covered 7 * 24 hours, and the target of timely location and analysis of failure.
Summary of the invention
The objective of the invention is to solve that the flexible exchanging network single-pass test function that exists in the prior art is single, the problem of method of testing poor efficiency, a kind of specialty more, more deep flexible exchanging network single-pass test and the method for analyzing are provided.
With compare through the method for testing mobile phone test flexible exchanging network single-channel fault in the prior art, this method has the efficient height, the characteristics that cost is low meet state of the current network and customer demand more.
Specifically, the inventive method comprises:
A) in flexible exchanging network, simulator is simulated calling and called end office (EO) initiates audio call from one tunnel striking out to target end office (EO) through emulation moving exchanging center MSC (Mobile Switching Center) and media gateway MGW (Media Gateway) network element; Through the negotiation of top signaling, set up a voice pathway through the target MGW of end office (EO).
Utilize voice pathway, simulator simulation originating switch sends the received pronunciation bag to called end office; When sending voice packet, simulator also can send the ICMP bag to target end office (EO), monitors the service quality of IP bearer network in real time.
B) voice packet and the called voice packet that receives that send through computing voice quality, contrast caller judge whether to occur single-pass.
C) if the single-pass situation do not occur then finish audio call, do not discharge, do further analysis otherwise maintain calling;
When single-pass occurring, the result of follow-up ICMP test can judge that the single-pass that the IP bearer network causes still is the single-pass that end office's network element causes self, thereby dwindle the accident analysis positioning range;
If the problem of end office's network element self can not discharge through keeping calling out, check the hardware log of MGW, orient problematic dsp chip.
D) end office (EO) of repeating step a, b, c concurrent test soft switch the whole network, thus reach single-pass test in 7 * 24 hours and the analysis that covers whole flexible exchanging network.
Good effect of the present invention is:
Can carry out the single-pass test and the analysis of whole flexible exchanging network through emulation soft switch network element.Benefit of the present invention be can be initiatively the flexible automatic monitoring and the single-channel fault of phase-split network of mode, the while solved well that the traditional monitoring systemic-function is single, method poor efficiency and problem with high costs.The present invention compares with traditional method of testing of passing through mobile phone dialing analysis single-pass, does not need manual operation, thereby improves testing efficiency, saving testing cost; Analyze the method for testing of single-pass and compare with traditional network element log of checking, can go deep into more, analyze accurately and orientation problem.
Description of drawings
Fig. 1 representes the flexible exchanging network single-pass test of the embodiment of the invention and the network topological diagram of analyzing.
Embodiment
Combine accompanying drawing that the present invention is described further through specific embodiment below.
Fig. 1 representes the flexible exchanging network single-pass test of the embodiment of the invention and the network topological diagram of analyzing; As shown in Figure 1; Testing server is connected with simulator through the Socket interface, and simulator is connected with moving exchanging center MSC through Nc interface, and the latter is connected with wireless network through the A/Iu interface; MSC is connected with media gateway MGW through Mc interface, and last MSC is connected with flexible exchanging network NGN through Nc interface.
Concrete test philosophy and flow process are that testing server issues test assignment through the socket interface to simulator; Simulator simulation MSC network element is initiated voice call request through Nc interface to the MSC of target end office (EO); Through the media information that the upper strata consults, simulator simulation MGW network element sends the received pronunciation test pack through Nb interface to target MGW; Send the ICMP test pack to target MGW simultaneously; The voice packet that simulator will be accepted and send compares and the calculating of PESQ (Perceptualevaluation of speech quality, the subjective speech quality assessment that P.862 ITU defines), finally draws whether single-pass takes place.If the generation single-pass contrasts and calculate the test result that ICMP wraps again, judge single-channel fault that the IP bearer network causes or that target MGW network element self causes; Simulator can maintain the calling that single-pass takes place simultaneously; If the problem of MGW network element self; Can send alarm to network management center, and the hardware log of checking MGW of the mode informing network attendant through note or mail, through daily record can accurate in locating generation problem dsp chip.Final realization the present invention monitors the flexible exchanging network single-channel fault in real time, and the target of analysis promptly and accurately and fault location.
Claims (5)
1. method that the flexible exchanging network single-pass is tested and analyzed comprises:
A) in flexible exchanging network, initiate audio call to existing network end office (EO) through the calling that the method simulation of emulation network element is out;
B) through calculating voice packet and the called voice packet that receives that the contrast caller is sent, judge whether to occur single-pass
C) according to step b, if the single-pass situation then maintains calling, do further analysis
2. the method for claim 1 is characterized in that, in step a, when sending the conversation of voice packet tested speech, also can send the quality of ICMP bag test I P bearer network
3. the method for claim 1 is characterized in that, in step b, adopts the formula method of international norm tissue definition to come the computing voice quality, judges single-pass
4. method as claimed in claim 3 is characterized in that, judges after the single-pass, except daily record of simple record perhaps produces alarm, and the single-pass calling is maintained, till analyzing concrete problem
5. method as claimed in claim 4 is characterized in that, the test of single-pass is 7 * 24 hours the whole network coverage test and analysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100221477A CN102612062A (en) | 2011-01-20 | 2011-01-20 | Method for testing and analyzing unipath of soft switch system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100221477A CN102612062A (en) | 2011-01-20 | 2011-01-20 | Method for testing and analyzing unipath of soft switch system |
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| CN102612062A true CN102612062A (en) | 2012-07-25 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101437247A (en) * | 2008-12-18 | 2009-05-20 | 中国移动通信集团浙江有限公司 | Test method for evaluating voice quality |
| CN101610525A (en) * | 2009-07-28 | 2009-12-23 | 京信通信系统（中国）有限公司 | A kind of WCDMA network automatic monitoring system and method |
| CN101888654A (en) * | 2009-05-11 | 2010-11-17 | 中国移动通信集团甘肃有限公司 | Call quality test method, device and system |
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- 2011-01-20 CN CN2011100221477A patent/CN102612062A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101437247A (en) * | 2008-12-18 | 2009-05-20 | 中国移动通信集团浙江有限公司 | Test method for evaluating voice quality |
| CN101888654A (en) * | 2009-05-11 | 2010-11-17 | 中国移动通信集团甘肃有限公司 | Call quality test method, device and system |
| CN101610525A (en) * | 2009-07-28 | 2009-12-23 | 京信通信系统（中国）有限公司 | A kind of WCDMA network automatic monitoring system and method |
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Address after: 100085 Beijing city Haidian District on the seven Street Building Room No. 201 Huizhong Applicant after: Vixtel Technologies (Beijing) Ltd. Address before: 100085 Beijing city Haidian District on the seven street Huizhong building 805 Applicant before: Vixtel Technologies (Beijing) Ltd. |
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Application publication date: 20120725 |