CN102571421A - Method and device for detecting service quality of IP access network - Google Patents
Method and device for detecting service quality of IP access network Download PDFInfo
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- CN102571421A CN102571421A CN2011104354497A CN201110435449A CN102571421A CN 102571421 A CN102571421 A CN 102571421A CN 2011104354497 A CN2011104354497 A CN 2011104354497A CN 201110435449 A CN201110435449 A CN 201110435449A CN 102571421 A CN102571421 A CN 102571421A
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Abstract
The invention discloses a method and device for detecting the service quality of an IP (Internet Protocol) access network. The method comprises the steps as follows: network side call information of a call and media signals are collected on a network side; and the call quality parameter MOS (mean opinion score) of a tested call is acquired on the network side according to the call information and the media signals. Through application of the invention, the problem that in correlation techniques, the service quality of an IP access network can not be measured accurately due to distemperedness in evaluation of the service quality of the IP access network can be solved, further the service quality of the IP access network can be evaluated accurately, so that the system performance can be improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of method and device of IP Access Network service quality detection.
Background technology
In modern times in the communication network framework; It is master's NGN next generation network that core network system has carried out the transition to full IP bearing modes such as soft switch, IMS; Support the multiple IP access way (for example LAN, WLAN, xDSL, xPON, FTTx, GPRS, CDMA2000, UMTS etc.) of fixing/portable terminal, and can be these voice, video, data and multimedia services that accesses terminal and provide unified.
The carrying of NGN network is based on the IP packet transport technologies, and the core-network side perception inserts the service quality of side network less than terminal use IP.And in commercial communication network, the IP access network level of terminal use's side is a lot, complex structure, complains the ropy situation of voice service if run into the terminal use, and operator is difficult in time evaluate and test the actual mass that the user belongs to access network.On the other hand, for improving the telecommunications service level, Virtual network operator often needs to evaluate and test initiatively, in real time the service quality of user side IP access network, to find and to solve hidden network danger in advance.
Existing IP Access Network service quality evaluating; Generally be employed in the mode of the enterprising capable IP Qos performance statisticses of node such as router, switch, IP IAD in the Access Network; But this mode is relatively more local and general; Can't experience to go up from end-user service and directly reflect the service quality of access network integral pin, thereby can't instruct the IP Access Network problem that solves exactly telecommunication services such as voice.Another kind of evaluating method commonly used is that network optimization personnel dial the artificial speech quality of experiencing of special number from end side; This method can't be carried out when customer complaint immediately; And quality evaluation relies on individual's subjective judgement; Lack evaluation criterion, also can't solve the problem of telecommunications IP Access Network speech quality evaluating well.
Summary of the invention
The invention provides method and device that a kind of IP Access Network service quality detects, unsound to solve at least in the correlation technique because of IP Access Network service quality evaluating, cause accurately measuring the problem of IP Access Network quality of service.
According to an aspect of the present invention, the method that provides a kind of IP Access Network service quality to detect comprises: call information and medium signaling that the network side collection is called out; Network side obtains the speech quality parameter MOS of test call according to call information and medium signaling.
Preferably, before the call information and medium signaling that the network side collecting test is called out, also comprise: the IP Access Network is divided into a plurality of accesses zone, and wherein, each inserts intra-zone administration has the test terminal.
Preferably, call out the calling of initiating to the test terminal into network side.
Preferably, call information and medium signaling that the network side collection is called out comprise: network side makes a call to the test terminal of inserting the zone according to preset call policy, after reply the test terminal, and call information and medium signaling that the network side collection is called out.
Preferably; Network side obtains after the speech quality parameter of calling according to call information and medium signaling, comprising: network side carries out the average speech quality parameter that statistical analysis obtains inserting the zone to the speech quality parameter of repeatedly calling out in the access zone that obtained; Network side judges whether average speech quality parameter is lower than preset first threshold; If, outputting alarm information then.
Preferably, call out the calling of initiating to network side into the test terminal.
Preferably, network side obtains after the speech quality parameter of calling according to call information and medium signaling, also comprises: network side is to the speech quality information of test terminal this calling of output.
Preferably, network side obtains after the speech quality parameter of calling according to call information and medium signaling, and also comprise: network side judges whether the speech quality parameter is lower than the predetermined second threshold value; If then network side is initiated the network diagnosis operation to the test terminal, and preserve the network diagnosis result.
Preferably, the medium signaling is RTP/RTCP medium signalings.
Preferably; Network side obtains the speech quality parameter of calling according to call information and medium signaling, comprising: network side calculates medium face speech quality parameter according to the RTP/RTCP medium signaling data bag of network side collection, and goes out the speech quality parameter of calling according to medium face speech quality calculation of parameter; Wherein medium face speech quality parameter comprises one of following at least: the medium code decode algorithm; Average delay, average jitter, packet loss.
According to a further aspect in the invention, the device that provides a kind of IP Access Network service quality to detect comprises: the broad band intelligent calling module is used to gather the call information and the medium signaling of calling; The quality of service analysis module is used for obtaining according to call information and medium signaling the speech quality parameter MOS of test call.
Preferably, the quality of service analysis module comprises: computing unit is used for calculating medium face speech quality parameter according to the medium signaling of network side collection, and goes out the speech quality parameter of calling according to medium face speech quality calculation of parameter.
Through the present invention; Employing obtains the method for speech quality parameter according to call information that carries in the calling procedure and medium signaling; Solved in the correlation technique, unsound because of IP Access Network service quality evaluating, cause accurately measuring the problem of IP Access Network quality of service; And then can test and assess to IP Access Network quality of service accurately, promoted systematic function.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the method for the IP Access Network service quality detection of the embodiment of the invention;
Fig. 2 is the schematic flow sheet according to the method for the IP Access Network service quality detection of the preferred embodiment of the present invention one;
Fig. 3 is the schematic flow sheet according to the method for the IP Access Network service quality detection of the preferred embodiment of the present invention two;
Fig. 4 is the structured flowchart one according to the device of the IP Access Network service quality detection of the embodiment of the invention;
Fig. 5 is the structured flowchart two according to the device of the IP Access Network service quality detection of the embodiment of the invention;
Fig. 6 is the structured flowchart three according to the device of the IP Access Network service quality detection of the embodiment of the invention;
Fig. 7 is the device applied environment sketch map according to the IP Access Network service quality detection of the embodiment of the invention; And
Fig. 8 is the automatic calling and the sketch map that inserts regional analysis strategy setting up procedure according to the embodiment of the invention.
Embodiment
Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Unsound based on IP Access Network service quality evaluating in the correlation technique, cause accurately measuring the problem of IP Access Network quality of service, the method that the embodiment of the invention provides a kind of IP Access Network service quality to detect.Fig. 1 is the flow chart according to the method for the IP Access Network service quality detection of the embodiment of the invention.As shown in Figure 1, this method may further comprise the steps:
Step S102, call information and medium signaling that the network side collection is called out;
Step S104, network side obtain the speech quality parameter MOS of test call according to call information and medium signaling.
The exclusive rights effect is passed through the embodiment of the invention; Employing obtains the method for speech quality parameter according to call information that carries in the calling procedure and medium signaling; Solved in the correlation technique, unsound because of IP Access Network service quality evaluating, cause accurately measuring the problem of IP Access Network quality of service; And then can test and assess to IP Access Network quality of service accurately, promoted systematic function.
Before call information and medium signaling that the network side collecting test is called out, can the IP Access Network be divided into a plurality of accesses zone, wherein, each inserts in the zone and all is deployed with the test terminal.Can divide the IP Access Network according to multiple mode; For example; Divide the access zone according to the IP network section that accesses terminal, terminal physical position distribution or terminal type the IP Access Network is divided, affix one's name to some automatic-answering back devices test terminal at each access intra-zone then.
Test terminal in a certain zone can be the terminal use who has passed through registration, also can be the test terminal that is provided with for test.If this test terminal is the terminal use who has passed through registration, then this user can realize through built in hardware, also can realize through load software.For example, when the user thinks that oneself communication quality is bad, can carry out active through the software of network download support test and test.
Present embodiment also network enabled side is initiated and two kinds of evaluation and test patterns of end side initiation; When calling out is that network side is when initiate the test terminal; Call information and medium signaling that the network side collection is called out can comprise following processing: network side makes a call to the test terminal of inserting the zone according to preset call policy; After reply the test terminal, call information and medium signaling that the network side collection is called out.In implementation process, preset call policy can be with call time, the number of calls; Factors such as call duration are confirmed call policy; For example, when selecting the number of calls as the factor of call policy, it is 3 times that the number of calls can be set; Then network side can send 3 times to the test terminal and call out when test.In test process, can test the speech quality of network through multiple call policy, embodied the flexibility of system.
After network side obtained the speech quality parameter of calling according to call information and medium signaling, network side carried out the average speech quality parameter that statistical analysis obtains inserting the zone to the speech quality parameter of repeatedly calling out in the access zone that obtained; Network side judges whether average speech quality parameter is lower than preset first threshold; If, outputting alarm information then.In implementation process, network side carries out analytical calculation to it and obtains the speech quality parameter after gathering the relevant information and medium signaling of these callings automatically.Have call quality analysis and the statistics that inserts regional representativeness through these, can evaluate and test the QoS parameter that each IP inserts the zone.If the evaluation and test quality is lower than preset thresholding, in time produce alarm, notice rear end O&M personnel handle affirmation.Test result averaged make system have good accuracy.Under the situation that produces alarm,, embodied the complete processing scheme of system, for later stage raising communication quality guarantees with the warning information storage.
Call out the calling of initiating to network side for the test terminal.Network side obtains after the speech quality parameter of calling according to call information and medium signaling, can also comprise: network side is to the speech quality information of test terminal this calling of output; At this moment, network side can also judge whether the speech quality parameter is lower than the predetermined second threshold value; If then network side is initiated the network diagnosis operation to the test terminal, and preserve the network diagnosis result.Certainly, the process of judgement does not have inevitable precedence relationship with the process of report speech quality, can carry out simultaneously, can not carry out simultaneously yet.
After network side is gathered the relevant information and medium signaling of calling automatically, it is carried out analytical calculation obtain the speech quality parameter.Test is converted into voice suggestion with this time calling quality parameter in real time and plays to the terminal use after accomplishing.If it is relatively poor that system detects this calling media quality; Can initiate the further QoS information of IP detection instruction acquisition such as ping/trace from the trend end side; And will detect information, call-related information, the dump of IP Access Network relevant information, supply the network optimization man analysis to solve.
In implementation process; If the medium signaling is RTP/RTCP medium signalings; Then network side obtains the speech quality parameter of calling according to call information and medium signaling, can comprise: network side calculates medium face speech quality parameter according to the RTP/RTCP medium signaling data bag of network side collection, and goes out the speech quality parameter of calling according to medium face speech quality calculation of parameter; Wherein medium face speech quality parameter comprises one of following at least: the medium code decode algorithm; Average delay, average jitter, packet loss.
Through the foregoing description, can evaluate and test the telecommunication service service quality of telecommunications IP access network automatically, fast, extensively, exactly.
Below a summary is done in the execution of flow process in the present embodiment, process is following:
Step 1, Virtual network operator is divided IP according to conditions such as the IP network section that accesses terminal, terminal physical position distribution or terminal types and is inserted the zone, disposes the automatic-answering back device test terminal in each IP access zone.
Step 2, the system manager disposes automatic call policy for the broad band intelligent calling module.
Step 3, network side are initiatively initiated under the situation of the pattern of evaluating and testing, and network side sets up according to automatic call policy and each IP inserts the calling between regional automatic-answering back device test terminal.End side is initiatively initiated under the situation of the pattern of evaluating and testing, and the ordinary terminal user initiatively initiates and sets up and call out to network side.
Step 4, call-related information and medium that the automatic collecting test of network side is called out transmit signaling.
Step 5, network side are sent the call-related information and the medium that collect and are transmitted signaling, and preserve and analyze.
Step 6, network side are calculated the speech quality parameter (for example, medium code decode algorithm, conversation medium time delay, shake, packet loss and MOS value) of per call.
Step 7; Network side is initiatively initiated under the evaluation and test pattern, and step 3～step 6 repeats, through the repeatedly several call conversation mass parameter statistical average in multiple terminals; Obtain the session services quality that each IP inserts the zone; If the evaluation and test quality is lower than preset thresholding, in time produce alarm, notice rear end O&M personnel handle affirmation.End side is initiatively initiated under the evaluation and test pattern, and network side is converted into voice suggestion with this time calling quality parameter in real time and plays to the terminal use, and gathers the dump of IP aspect diagnostic result automatically and supply that the rear end personnel in time locate, analysis of failure.
Preferred embodiment one
Fig. 2 is the schematic flow sheet according to the method for the IP Access Network service quality detection of the preferred embodiment of the present invention one.As shown in Figure 2, be that network side initiatively makes a call under the situation of pattern, present embodiment is the process of example explanation IP Access Network speech quality evaluating with the SIP signaling.This method may further comprise the steps:
Step S202, the automatic call policy of network side activates, and prepares to start the automatic call flow that certain IP is inserted domain test terminal X.
Step S204, network side inserts regional build-in test terminal X initiation session to this IP and sets up request.
Step S206, the automatic-answering back device test terminal that is deployed in IP Access Network one side receives after session sets up request message, sends session automatically and connects indication signaling (for example SIP 180 Ring) to network side.
Step S208, the automatic-answering back device test terminal that is deployed in IP Access Network one side is sent session automatically and is replied indication signaling (for example SIP 200 OK) to network side, and session this moment is successfully set up between network side and test terminal.
Step S210, network side begin to preserve the RTP/RTCP medium signaling data bag of this session.
Step S212, after session was set up, the broad band intelligent calling module sent the medium sound file that presets through Real-time Transport Protocol to the opposite end, handled medium Sender Report SR and medium Receiver Report RR through rtcp protocol; The medium sound file that presets is sent in the automatic-answering back device test terminal that is deployed in the Access Network side to the opposite end.
Step S214, network side insert domain test terminal X initiation session ending request (for example SIP Bye message) to IP after accomplishing session according to automatic call policy.
Step S216, network side finishes to preserve the RTP/RTCP medium signaling data bag of this session.
Step S218, automatic-answering back device test terminal automatic hand-up sends the conversation end response message.
Step S220, network side gather relevant information such as the calling and called of this session, time and RTP/RTCP medium signaling with the back and preserve, and analyze.
Step S222, network side is analyzed the RTP/RTCP packet of this session, calculates medium face speech quality parameter.Its calculated factor can be for multiple, for example like medium code decode algorithm Codec, average delay Delay, average jitter Jitter, packet loss Loss etc., and further calculates the MOS value of this session.
Step S224, above-mentioned S202 to S222 process repeats repeatedly, and the quality of service analyzer obtains the speech quality parameter that each IP inserts the zone according to the mean value that each IP of regional analysis policy accounting inserts regional build-in test terminal call quality.
Step S226, the IP that network side inspection evaluation and test obtains inserts the area business quality and whether is lower than preset thresholding, if be lower than quality, then produces the quality of service alarm immediately, notice rear end attendant.
Preferred embodiment two
Fig. 3 is the schematic flow sheet according to the method for the IP Access Network service quality detection of the preferred embodiment of the present invention two.As shown in Figure 3, be that end side initiatively makes a call under the situation of pattern, present embodiment is the process of example explanation IP Access Network speech quality evaluating with the SIP signaling.This method may further comprise the steps:
Step S302, voice terminal user active call network side.
Step S304, network side send session automatically and connect indication signaling (for example SIP 180 Ring) to voice terminal.
Step S306, network side send session automatically and reply indication signaling (for example SIP 200 OK) to voice terminal, and session this moment is successfully set up between network side and voice terminal.
Step S308, network side begin to preserve the RTP/RTCP medium signaling data bag of this session.
Step S310, after session was set up, network side sent the detection of presetting through Real-time Transport Protocol to the opposite end and begins information media file (for example, voice call quality detects beginning, please not want on-hook).
Step S312, network side sends the detection media file preset (for example, one section music or recording file) through Real-time Transport Protocol to the opposite end, handles medium Sender Report SR and medium Receiver Report RR through rtcp protocol.
Step S314, network side sends the detection of presetting through Real-time Transport Protocol to the opposite end and accomplishes information media file (for example, voice call quality detects and finishes, and please wait for test result).
Step S316, network side finishes to preserve the RTP/RTCP medium signaling data bag of this session.
Step S318, network side gathers relevant informations such as the calling and called of this session, time and RTP/RTCP medium signaling with preservation.
Step S320, network side is analyzed the RTP/RTCP packet of this session, calculates medium face speech quality parameter.Its calculated factor can be for multiple, for example medium code decode algorithm Codec, average delay Delay, average jitter Jitter, packet loss Loss etc., and further calculate the MOS value of this session.
Step S322 will obtain the MOS value of this session after network side will be analyzed.
Step S324, network side is distinguished the different grades of service according to the MOS value of this session, plays the speech quality of corresponding with service grade to voice terminal and estimates media file.
Step S326, whether the quality of service of this session of network side inspection is lower than preset thresholding, if be lower than preset thresholding then continue step S328; Otherwise jump to step S332.
Step S328, network side initiate IP network diagnostic operations such as ping, trace to terminal use's side.
Step S330, network side preservation IP diagnostic result, call-related information, IP insert relevant information and supply the rear end attendant to analyze.
Step S332, network side initiatively sends conversation end request (for example, SIP BYE message) to voice terminal.
Step S334, the conversation end response message is sent in the voice terminal on-hook.
Adopt the method for the IP Access Network service quality detection of present embodiment, can evaluate and test the different speech qualities that insert the zone of IP access network automatically, fast, extensively, exactly.
The device that the embodiment of the invention also provides a kind of IP Access Network service quality to detect; As shown in Figure 4; It is the structured flowchart one of the device that detects according to the IP Access Network service quality of the embodiment of the invention; This device comprises: broad band intelligent calling module 10 is used to gather the call information and the medium signaling of calling; Quality of service analysis module 20 with broad band intelligent calling module 10 coupling, is used for obtaining according to call information and medium signaling the speech quality parameter MOS of test call.
Fig. 5 is the structured flowchart two according to the device of the IP Access Network service quality detection of the embodiment of the invention.As shown in Figure 5, quality of service analysis module 20 comprises: computing unit 202 is used for calculating medium face speech quality parameter according to the medium signaling of network side collection, and goes out the speech quality parameter of calling according to medium face speech quality calculation of parameter.
Fig. 6 is the structured flowchart three according to the device of the IP Access Network service quality detection of the embodiment of the invention.This device also comprises: judge module 30 and output module 40.When calling out to network side to the calling that initiates the test terminal; Judge module 30; With 20 couplings of quality of service analysis module; Be used for the speech quality parameter of repeatedly calling out in the access of being obtained zone being carried out judge whether average speech quality parameter is lower than preset first threshold after statistical analysis obtains inserting the average speech quality parameter in zone; Output module 40 with judge module 30 couplings, is used for being lower than under the preset first threshold situation outputting alarm information in average speech quality parameter.When calling out to the test terminal to calling that network side is initiated, output module 30 also is used for the speech quality information to test terminal this calling of output; Judge module 40 is used to also judge whether the speech quality parameter is lower than the predetermined second threshold value.
To combine the device in the practical application that the device that above-mentioned IP Access Network service quality detects is further specified below,, can both reach identical effect although slightly different on the name of module and function.
In order to evaluate and test the voice service quality of telecommunications IP access network automatically, fast, extensively, exactly; The invention provides based on the broad band intelligent terminal and call out the method that combines the conversation media signalling analysis automatically; Its core concept is: make a call from the automatic-answering back device test terminal that trend is deployed in IP Access Network zones of different according to predefined call policy through the broad band intelligent calling module; Automatically the call-related information and medium transmission signaling called out of collecting test, and send it to the quality of service analyzer and carry out analytical calculation and obtain the speech quality parameter.Through these call quality analysis and statistics, can evaluate and test the QoS parameter that each IP inserts the zone with regional representativeness.
For supporting above-mentioned functions, each key device possesses following corresponding function characteristic respectively among Fig. 7:
IP Access Network test terminal: can be hard terminal or software terminal; Support the access way (LAN, WLAN, xDSL, xPON etc.) of place IP Access Network; Support receives the function that request back automatic-answering back device is set up in session; Support receives the function of automatic hand-up after the conversation end request, is supported in session and sets up the back and send one section recording that prestores or music function to Calling Side, supports the function of play session Calling Side medium.Legal telephone subscriber's number of the account of having distributed in core net is used in this test terminal.
Broad band intelligent calling module: support broadband call session control signaling and RTP/RTCP broadband call medium signalings such as SIP or H323; Support the user that function is set, the automatic call policy that can the saved system operator be provided with;
During as caller; Support is provided with the function of sending session foundation and conversation end request to other automatic-answering back device terminal according to automatic call policy; Be supported in session and set up the back, support to play the function of the audio medium stream that sends the opposite end to one section tested speech Media Stream function that prestores of opposite end transmission.
When called, support automatic-answering back device to set up request from the session of voice terminal, support to play the function of tested speech Media Stream to voice terminal, support function to voice terminal play service quality information.
This module is used the legal user account that has distributed in core net.
The quality of service analysis module: this module supports that the user is provided with function; Can preserve IP Access Network test terminal and IP and insert regional relation configuration; Can preserve IP and insert regional session services quality; Can transmit the QoS parameter (code decode algorithm, medium average delay, average jitter, packet loss, MOS etc.) that signaling obtain calling out through the medium of analyze calling out, support a plurality of IP to insert the zone and the statistical summaries function of call conversation quality repeatedly.
Wherein, for supporting the function of present embodiment, the operator need be provided with corresponding policy data on each key device, as shown in Figure 8, and each module policy data is provided with mainly and may further comprise the steps:
Step S1; The system manager is provided with automatic call policy to the broad band intelligent calling module; Policy data mainly comprises IP Access Network automatic-answering back device test terminal tabulation (terminal equipment model, geographic location, place IP insert zone, related user number of the account etc.), and the call policy (call time, the number of calls, call duration, transmission media information etc.) that is directed against each automatic-answering back device test terminal.
Step S2 after the broad band intelligent calling module is received policy data information, preserves automatic call policy data.
Step S3; System manager setting area analysis strategy is to the IP operation mass analyzer, and policy data mainly comprises IP access zone list, each inserts regional build-in test terminal list, inserts zone quality index tabulation to be added up, inserts regional quality index thresholding, tabulates the statistics output cycle etc.
Step S4, after IP operation quality analysis module is received policy data information, storage area analysis strategy data.
From above description, can find out that the present invention has realized following technique effect:
Through various embodiments of the present invention, adopt method according to call information that carries in the calling procedure and medium signaling acquisition speech quality parameter, solved in the correlation technique; Because of IP Access Network service quality evaluating unsound; Cause accurately to measure the problem of IP Access Network quality of service, and then can evaluate and test IP access network speech business service quality in the communication network automatically, fast, extensively, exactly, promoted systematic function; Simultaneously, also improved user experience.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, and in some cases, can carry out step shown or that describe with the order that is different from here by calculation element; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. the method that IP Access Network service quality detects is characterized in that, comprising:
Call information and medium signaling that the network side collection is called out;
Said network side obtains the speech quality parameter MOS of said test call according to said call information and said medium signaling.
2. method according to claim 1 is characterized in that, before the call information and medium signaling that the network side collecting test is called out, also comprises:
Said IP Access Network is divided into a plurality of accesses zone, and wherein, each inserts intra-zone administration has the test terminal.
3. method according to claim 2 is characterized in that, said calling is the calling that network side is initiated to said test terminal.
4. method according to claim 3 is characterized in that, call information and medium signaling that the network side collection is called out comprise:
Said network side makes a call to the said said test terminal of inserting the zone according to preset call policy, and after replied said test terminal, said network side was gathered the call information and the medium signaling of said calling.
5. method according to claim 4 is characterized in that, said network side obtains after the speech quality parameter of said calling according to said call information and said medium signaling, comprising:
Said network side carries out statistical analysis to the said speech quality parameter of being obtained of repeatedly calling out that inserts the zone and obtains the said average speech quality parameter that inserts the zone;
Said network side judges whether said average speech quality parameter is lower than preset first threshold;
If, outputting alarm information then.
6. method according to claim 2 is characterized in that, said calling is the calling that initiate to said network side said test terminal.
7. method according to claim 6 is characterized in that, said network side obtains after the speech quality parameter of said calling according to said call information and said medium signaling, also comprises:
Said network side is to the speech quality information of said test terminal this calling of output.
8. method according to claim 6 is characterized in that, said network side obtains after the speech quality parameter of said calling according to said call information and said medium signaling, also comprises:
Said network side judges whether said speech quality parameter is lower than the predetermined second threshold value;
If then said network side is initiated the network diagnosis operation to said test terminal, and preserve the network diagnosis result.
9. according to each described method in the claim 1 to 8, it is characterized in that said medium signaling is RTP/RTCP medium signalings.
10. method according to claim 9 is characterized in that, said network side obtains the speech quality parameter of said calling according to said call information and said medium signaling, comprising:
Said network side calculates medium face speech quality parameter according to the RTP/RTCP medium signaling data bag of said network side collection; And go out the speech quality parameter of said calling according to said medium face speech quality calculation of parameter, it is one of following that wherein said medium face speech quality parameter comprises at least:
The medium code decode algorithm, average delay, average jitter, packet loss.
11. the device that IP Access Network service quality detects is arranged at IP Access Network and core net border, it is characterized in that, comprising:
The broad band intelligent calling module is used to gather the call information and the medium signaling of calling;
The quality of service analysis module is used for obtaining according to said call information and said medium signaling the speech quality parameter MOS of said test call.
12. device according to claim 11 is characterized in that, said quality of service analysis module comprises:
Computing unit is used for calculating medium face speech quality parameter according to the medium signaling of said network side collection, and goes out the speech quality parameter of said calling according to said medium face speech quality calculation of parameter.
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| US9419866B2 (en) | 2012-11-01 | 2016-08-16 | Huawei Technologies Co., Ltd. | Method, node, and monitoring center detecting network fault |
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