CN1705266A - Method for acquiring specified message from remote and uses and system thereof - Google Patents
Method for acquiring specified message from remote and uses and system thereof Download PDFInfo
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Abstract
This invention refers to a method for obtaining special message, the use and system thereof, which contains sending characteristic parameter of message to be obtained and local end address information to gateway equipment through far end, the far end taking special message according to said characteristic parameter and sending it to destination address of local end address information for local end to taking special message by special package taking tool, said invention does not change current network equipment and has not any interference to normal communication.
Description
Technical field
The present invention relates to network communications technology field, relate in particular to a kind of technology that realizes voice quality analysis by long-range packet capturing.
Background technology
Along with the continuous maturation of NGN (next generation network) technology, obtained application more and more widely at the online voice-bearer of IP (Internet protocol).Fig. 1 has provided the simple single domain networking diagram of NGN network application in voice service, and the SoftSwitch among Fig. 1 (Softswitch) is the nucleus equipment in the NGN network, can be one in actual networking, also can be for a plurality of.IAD among the figure (integrated access equipment), AMG (access media gateway) and TMG (Trunk Media Gateway) etc. have been the effects of media stream transition, just G.711 the user's voice signal encoding is become, G.729 or G.723.1 wait the speech frame that can on IP network, transmit of form, simultaneously also on the IP network G.711, G.729 or speech frame G.723.1 be decoded into the voice signal that the user can discern.
In the commercial process of NGN; the problem of user feedback voice quality difference appears in Shi Changhui; usually the processing method that adopts sends the technical staff to the user scene exactly; carry out packet capturing; utilize voice quality analysis instrument (as the cap2wav instrument) to convert the message of catching to wav (voice resource) file then and carry out the analysis of voice quality again, thus the reason place that acquisition goes wrong.
The typical networking diagram that speech analysis is carried out in currently used packet capturing is intended to as shown in Figure 2, wherein MG1 (gateway 1) and MG2 (gateway 2) are for feeding back the media gateway device at user (user 1 and the user 2) place that voice quality problem is arranged, and described media gateway device can also be equipment such as IAD, AMG or TMG.Packet catcher among the figure is the software that moves on computers, can be packet catcher softwares such as sniffer, ethereal, netxray or netmonitor.The position at packet catcher place can determine according to actual conditions, requires to be positioned on the transmission line that need be grabbed message (if not grabbed on the transmission line of message be can't finish packet capturing to operate), is arranged at the location site at media gateway device place usually; Organizer among the figure then can be that the media gateway device merchant sends to the technical staff that positioning problems is carried out at the scene, attendant that also can telecommunication bureau.
Based on above-mentioned networking structure, the process that the speech analysis processing is carried out in concrete packet capturing may further comprise the steps:
Step 1: user 1 and user 2 get through and converse;
Step 2: the organizer starts packet catcher and carries out packet capturing, the concrete packet capturing course of work of packet catcher is: the source IP address that packet catcher is imported according to the user usually, purpose IP address, direction and agreement are carried out packet capturing on by the transmission line of packet capturing, described direction has from the source to the purpose, from the purpose to the source and two-way three kinds, agreement is exactly the variety of protocol of TCP/IP (TCP) lining, common setting is: source IP and purpose IP select the IP address of equipment of calling and called media gateway, direction is two-way, agreement is that UDP (User Datagram Protoco (UDP)) gets final product, started packet capturing just then, the filename that input will be preserved when stopping packet capturing at last also can be provided with the filename that needs preservation before starting.
Step 3: after conversation a period of time, user 1 and user's 2 on-hooks, the dropped calls process, this moment, the organizer stopped the packet capturing operation;
Step 4: the organizer utilizes corresponding voice quality analysis instrument the message of catching to be converted to the wave file of wav form;
Step 5: the organizer carries out the analysis of voice quality, thus the place of orientation problem.
As can be seen, mainly there is following shortcoming in the technical scheme of currently used on-the-spot packet capturing and analyzing speech quality problems:
(1) problem that occurs at the user, the user that must send someone is on-the-spot to solve, and cause needed cost higher, and the needed cycle of analyzing speech quality problems is longer;
(2) because must being connected on the transmission line by HUB (hub), the computer of installation packet catcher could realize packet capturing, and the equipment of telecommunication bureau generally is switch or router etc., could realize the packet capturing function so must on existing equipment, add HUB, so just must change the connection line of machine room, afterwards, also to recover original connection line situation.Because of needs plug netting twine, so may cause the interruption of telecommunication service, higher telecommunication service is intolerable for reliability requirement for this in this process.
Summary of the invention
In view of above-mentioned existing in prior technology problem, the purpose of this invention is to provide a kind of long-range method and application and system thereof that obtains special packet, thereby make and need not to obtain special packet to the user scene again, and can guarantee that the whole special packet process of obtaining need not to change original telecommunication apparatus circuit, guarantee that communication service is unaffected.
The objective of the invention is to be achieved through the following technical solutions:
The invention provides a kind of long-range method of obtaining special packet, comprising:
A, send the characteristic parameter of message to be obtained and the address information of local terminal to far-end;
B, far-end determine message to be obtained according to the characteristic parameter of the message of receiving to be obtained, and message that will be to be obtained is that destination address outwards sends with the address information of local terminal;
C, local terminal receive and obtain special packet.
In the long-range method of obtaining special packet of the present invention, be the user speech message through gateway device if wait to obtain special packet, then described steps A comprises:
Gateway device to far-end sends the Media Stream direction of voice message to be obtained and the physical port number of being correlated with, and the IP of local terminal (Internet protocol) address and UDP (User Datagram Protoco (UDP)) port numbers.
Described step B comprises:
The gateway device of far-end is determined special packet to be obtained according to the characteristic parameter of message to be obtained, and described message is gone up UDP head and IP head according to the IP address and the udp port number encapsulation of the local terminal of receiving;
Message after the encapsulation is sent in the Ethernet after adding ethernet header.
Method of the present invention also comprises:
Local terminal sends to far-end and begins the order of obtaining special packet or stopping to obtain special packet.
The present invention also provides a kind of method of the voice quality analysis based on said method, comprising:
The local terminal that comprises the voice quality analysis function receives the described special packet that obtains by described method, and carries out corresponding decapsulation and handle, and obtains voice message to be obtained;
Described voice message is stamped timestamp, and after adding ethernet header, preserve with the filename of setting;
Utilize the voice quality analysis function of local terminal that the voice message of preserving is carried out voice quality analysis.
The present invention also provides a kind of long-range system that obtains special packet, comprise remote processor device and local terminal processing unit, described remote processor device is used for obtaining special packet and sending to the local terminal processing unit at far-end, receive and obtain special packet by the local terminal processing unit, wherein, described remote processor device further comprises:
The order line module: be used for the order that long-range reception local terminal processing unit sends, and the order that will receive is handed down to package module, described order comprises waits to obtain the characteristic parameter information of special packet and the address information of local terminal processing unit;
Media Stream processing module: be used to receive the Media Stream that user side produces, and wherein specific Media Stream sent to package module according to the characteristic parameter information that the order line module is sent;
Package module: obtain special packet according to the described characteristic parameter information of obtaining special packet of waiting, and carry out the encapsulation process of special packet, send to sending module afterwards according to the address information of described local terminal processing unit;
Sending module: the message that sending module is sent package module sends to the local terminal processing unit by network.
Described local terminal processing unit comprises:
Subscriber Interface Module SIM: be used for order, and issue described order to Media Stream preservation module and remote processor device in the local reception input;
Receiving processing module: receive the message that the sending module in the remote processor device is sent, and described message is carried out decapsulation handle, then, send it to Media Stream and preserve module;
Media Stream is preserved module: receive the message that described receiving processing module is sent, and it is preserved according to the order that Subscriber Interface Module SIM receives.
Described receiving processing module further comprises:
Interface module: receive the message that the sending module in the remote processor device is sent, and ethernet header, IP heading and the UDP heading of described message removed, send to the timestamp module afterwards;
Timestamp module: described message is stamped timestamp, and send to Media Stream preservation module after adding ethernet header.
Described remote processor device can be arranged in the gateway device of far-end, and described gateway device comprises IAD (integrated access equipment), AMG (access media gateway) and TMG (Trunk Media Gateway).
Described local terminal processing unit can be arranged at any position that can link to each other by network with the remote processor device.
Described local terminal processing unit can also be communicated by letter with the voice quality analysis instrument that is used to carry out voice quality analysis, and the special packet that obtains is sent to the voice quality analysis instrument, carries out corresponding voice quality analysis by it and handles.
As seen from the above technical solution provided by the invention, the present invention is because described packet catcher is based on the windows system development, so should on any PC, can install, make the packet capturing work that needs in the voice communication course to realize by existing equipment, and easy to use.Simultaneously, the present invention can obtain corresponding voice message when (promptly needing packet capturing) at needs, as long as starting described packet catcher, plant maintenance personnel of telecommunication bureau or others skilled in the art grasp message, perhaps person skilled directly is connected at gateway devices such as corporate HQ and IAD and realizes the packet capturing operation, the cycle of dealing with problems that thereby having saved sends someone to go on business brings is long, required cost problem of higher.In addition, technical scheme provided by the invention does not need to change any prior network device connection line situation, thereby guarantees that aligning the normal open communication service does not cause any interference.The present invention especially can show its distinctive convenience and economy for when the huge and of living in region of gateway device quantity that needs the extracting message is wide.
Description of drawings
Fig. 1 is the networking structure schematic diagram of NGN;
The networking structure schematic diagram of the packet capturing scheme that Fig. 2 relates to for prior art;
Fig. 3 is the flow chart of method of the present invention;
Fig. 4 is the structural representation of device of the present invention;
Fig. 5 is the message process chart based on described device;
Fig. 6 is the networking structure schematic diagram of the packet capturing scheme that relates among the present invention.
Embodiment
Core of the present invention is to obtain the specific Media Stream (being special packet) of flowing through on the corresponding gateway device by long-range transmitting control commands, thereby conveniently the Media Stream that obtains is carried out quality analysis, finds out the reason that goes wrong.
For method of the present invention is had clearer understanding, method provided by the invention is described further with a concrete application example below in conjunction with accompanying drawing, but protection scope of the present invention is not limited in this example.
In the network, when the reporting of user that connects under the gateway devices such as IAD, AMG or TMG goes wrong, the demand that needs obtain special packet just appears, so that carried out voice quality analysis and finally oriented the problem place by network maintenance staff or the person skilled message to the specific user.Referring to Fig. 3, method of the present invention specifically can comprise following processing procedure:
Step 31: network maintenance staff or person skilled need be determined the characteristic parameter of message to be obtained (being Media Stream), the direction of the Media Stream that obtains as needs and the information such as physical port number of Media Stream process, described Media Stream direction comprises stream up, descending both direction, and described physical port number is meant that user that the particular media stream that need obtain relates to is connected in the port numbers on the gateway device;
Step 32: after determining to finish described characteristic parameter information, then address information and the control command information with described characteristic parameter, local terminal (promptly obtaining an end of particular media stream) sends to the distant end media gateway, and described distant end media gateway is the media gateway device that is embedded with long-range packet capturing function;
The address information that sends to the local terminal of far-end can be the IP address information and the udp port information of local terminal, and the effect of described local terminal address information is exactly to guarantee that the particular media stream that far-end obtains can send to local terminal according to this address information;
Described control command information comprises the order that the notice far-end begins to obtain specific Media Stream or stops to obtain specific Media Stream etc., far-end receive described begin to obtain the order of specific Media Stream after, then execution in step 33 is to step 35;
Step 33: after far-end is received described characteristic parameter information, then obtain specific Media Stream according to the characteristic parameter information of message to be obtained, described Media Stream is exactly the Media Stream that user's communication produces, the Media Stream of this media gateway of just flowing through;
Step 34: according to the address information of the described local terminal of receiving, specific Media Stream is carried out encapsulation process according to described address information, the destination address of the message after the encapsulation is the address information of local terminal, as previously mentioned, described address information can be corresponding IP address information and udp port information, so this step need add the IP header that carrying described IP address information and the UDP header of udp port information for described message;
Step 35: send to local terminal by network remote after will adding the Ethernet heading through the message after the encapsulation process, local terminal just can obtain its specific Media Stream that needs like this;
After finishing the process of obtaining specific Media Stream when local terminal, then also need to send the order that stops to obtain specific Media Stream, after far-end receives this order, then stop to obtain the operation process of specific Media Stream to far-end.
Based on the method for obtaining special packet that the invention described above provides, the present invention also provides a kind of application mode of this method, i.e. a kind of method of voice quality analysis, and this method specifically comprises:
The local terminal that includes the voice quality analysis function receives the special packet of far-end, and removes the Ethernet heading that is added by gateway devices such as IAD in the message, reaches IP heading and UDP heading that package module adds, obtains the message of the IP layer of far-end;
The message of the IP layer of described far-end is stamped timestamp according to time of reception, what timestamp write down is the relative time with respect to this instrument time of startup that receives this message, unit is a microsecond, effect is the time that message arrives before and after the mark, time interval of message before and after can calculating in view of the above, time delay that can phase-split network and shake etc.;
The message of stamping timestamp is added the Ethernet heading, and preserve with the filename of setting, because the voice quality analysis instrument is to handle according to the form of the Ethernet message of standard when handling the message that grasps usually, therefore, need described message is added ethernet header herein;
The voice quality analysis funtion part of local terminal is carried out corresponding voice quality analysis according to the Ethernet voice message of preserving, thereby orients the reason of the problem appearance of reporting of user quickly and easily.
The present invention also provides a kind of long-range system that obtains special packet, for there is further understanding in described system, in conjunction with the accompanying drawings described system is described in detail again below, and the following system that provides is a system that realizes based on the method for the above-mentioned method of obtaining special packet and pronunciation quality analysis.
System of the present invention comprises two parts, as shown in Figure 4, a part is the remote processor device, be used for carrying out obtaining of special packet according to the order of local terminal at far-end, and send to the local terminal processing unit, this part is arranged at user side, can be arranged at usually in the gateway device such as IAD, and be realized by corresponding software; Another part is the local terminal processing unit, this part is to obtain the originating end of special packet, it also is an end that finally obtains special packet, the position of this part can be arranged at any position that can communicate by letter with the remote processor device by network as required flexibly, specifically can be arranged at corresponding position according to network maintenance staff or specific technical staff's needs.
Still referring to Fig. 4, when obtaining special packet for the voice quality analysis purpose, the remote processor device in the gateway devices such as the described IAD of being arranged at further comprises following each module:
The order line module: long-range reception is by local terminal processing unit configure order, comprise the direction of the user media that will grasp stream of the long-range setting in the special packet side of obtaining (local terminal processing unit) and the relevant physical port number of user media stream that will grasp, the described Media Stream direction that will grasp can be for up, descending or whole, the telephony port of the described physics that will grasp can be the single port of gateway device, also can be whole ports, described configure order also comprises the IP address of local terminal processing unit at packet catcher place and udp port number; Then, described order is handed down to package module and Media Stream processing module;
The Media Stream processing module: the characteristic parameter information that is used for sending according to the order line module determines to receive the Media Stream (being special packet) of user media stream appointment, is transmitted to package module then;
Package module: the user media stream that the transmission of receiving media stream processing module comes, the message that wherein meets the user media flow path direction that will the grasp physical port relevant with meeting the user media stream that will grasp is handled, the content of handling is to add UDP head and IP head in the front of existing user media stream packet, and wherein the port numbers of UDP head and IP address are the IP address and the port numbers of the local terminal processing unit that disposed;
Sending module: the media stream message after the encapsulation added to send in the network behind the Ethernet heading automatically transmit, because the destination address of message is the address information of local terminal processing unit, so final local terminal processing unit will get access to this specific Media Stream.
Referring to Fig. 4, the described local terminal processing unit of this system further comprises with lower module again:
Subscriber Interface Module SIM: be used for carrying out alternately with user's (being network maintenance staff or specific technical staff), obtain relevant information, specifically comprise: the IP address information of the remote processor device of reception user input and the characteristic parameter information of the particular media stream that needs grasp, and the filename of the message file of the extracting that will preserve, and reception user's startup packet capturing process and the order that stops the packet capturing process; Need send to the order line module of remote processor device by network remote for partial information wherein, send for IP address information during transmission according to the remote processor device, described partial information comprises: the user media of the direction of user media that local terminal need grasp stream and needs extracting flows relevant physical port number, and the IP address of local terminal processing unit and udp port number;
Socket (interface) module: receive the message that the remote processor device sends, and be transmitted to the timestamp module, interface module can be removed the Ethernet heading that is added by gateway devices such as IAD in the message automatically, and package module the IP heading and the UDP heading that add, send to the message of the IP layer that the Media Stream processing module of the just IAD of timestamp module receives;
Timestamp module: the message that interface module is sent is stamped timestamp according to time of reception, what timestamp write down is the relative time with respect to this instrument time of startup that receives this message, unit is a microsecond, effect is the time that message arrives before and after the mark, the time interval of message before and after can calculating in view of the above, time delay that can phase-split network and shake etc., add the Ethernet heading, send to Media Stream simultaneously and preserve module, because the voice quality analysis instrument is when handling the message that grasps usually, be to handle, therefore, need described message is added ethernet header herein according to the form of the Ethernet message of standard;
Media Stream is preserved module: the filename of the message file of the extracting that will preserve that obtains according to Subscriber Interface Module SIM, will preserve from the message that the timestamp module receives.
The file that Media Stream preservation module is preserved just can offer voice quality analysis and partly carry out corresponding voice quality analysis, thereby the reason that the problem of orienting reporting of user quickly and easily occurs, for example can determine caller gateway or called gateway codec time delay to IP network by voice quality analysis, shake, the problem that packet loss is dealt with improperly.Certainly, the file of being preserved also can be used for the application of other purposes, core of the present invention provides a kind of long-range technical scheme of obtaining special packet, do not limit the purposes and the content of the special packet that obtains, described special packet also can be a signaling, such as MGCP in the NGN network (MGCP) and signaling such as agreement H.248, and utilizes packet catcher (as sniffer, ethereal etc.) the packet parsing function that provides is resolved variety of protocol.
With gateway device IAD is example, below again to describing, as shown in Figure 5 based on the transmission and processing process of message and the form of message in the special packet extracting process of said system:
The Media Stream processing module of IAD receives user's Media Stream, and the form of this IP layer Media Stream is: | the IP head | the UDP head | the RTP head | speech payload |, described IP layer Media Stream sent to package module;
Described package module increases UDP head and IP head with IP layer Media Stream, and the message format of acquisition is: | the IP head | the UDP head | the IP head | the UDP head | the RTP head | speech payload |, this message is sent to sending module again;
Sending module is that this message increases the Ethernet heading, and the message format after the increase is: | the Ethernet head | the IP head | the UDP head | the IP head | the UDP head | the RTP head | speech payload |, this message is sent to interface module in the local terminal processing unit by network;
At first remove the Ethernet head by interface module, and the IP head and the UDP head of package module increase, the form of the message of Huo Deing is afterwards: | the IP head | the UDP head | the RTP head | speech payload |, this message is sent to the timestamp module;
The timestamp module increases the Ethernet heading for this message, and the form that obtains message is: | the Ethernet head || the IP head | the UDP head | the RTP head | speech payload |, afterwards this message is sent to Media Stream and preserves module, by its preservation.
Below with the present invention will be described with the application example of a present invention in concrete network again.
As shown in Figure 6, current, need the packet catcher PackRecv (being the local terminal processing unit) that uses local terminal to grasp the Media Stream that caller IAD sends, described packet catcher operates on the computer that win98 or win2000 are installed, with link to each other by IP network between the IAD, grasp and must guarantee packet catcher in the message process and to treat that network is unimpeded between the IAD of packet capturing, can be provided with flexibly as required for the preservation form of the message that grabs, the present invention does not limit.With the phone among Fig. 61 is caller, and phone 2 is called, and then corresponding packet capturing processing procedure is as follows:
By connection line shown in Figure 6, the IP address of Ping IAD1 from the computer that packet catcher is installed, the result searches successfully;
Start the local terminal packet catcher, and the IP address of IAD1 and udp port number be set, purpose be make the instrument of local terminal know will be from that IP address and the udp port receiving media stream packet of opposite end, and the filename of the file that to preserve of the media stream message that receives, then, the order line module to IAD1 sends startup packet capturing order;
Long-rangely the IP address of far-end packet catcher and udp port (Media Stream that guarantees the IAD1 knowledge oneself of far-end be sent to which IP address and udp port number on) number are set to IAD1, the direction that needs the Media Stream of extracting, what promptly need to grasp is the Media Stream of IAD1 to IAD2, or IAD2 is to the Media Stream of IAD1, or whole Media Streams;
After above-mentioned setting up procedure is finished, suppose that 1 group of user is user 2 the number words that work of going forward side by side, at this moment, remote processor module among the IAD1 just begins to obtain specific Media Stream according to the condition that is provided with, and send it to the local terminal processing unit, after Media Stream extracting process finished, then the local terminal processing unit sent to IAD1 and stops the packet capturing process, even the remote processor device among the IAD1 stops to send Media Stream to the local terminal processing unit.
Certainly, if called IAD2 is carried out packet capturing, then only need the IP address of the remote processor device that the change packet catcher is provided with and udp port number, the packet capturing processing procedure that starts the remote processor device on IAD2 gets final product.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (11)
1, a kind of long-range method of obtaining special packet is characterized in that comprising:
A, send the characteristic parameter of message to be obtained and the address information of local terminal to far-end;
B, far-end determine message to be obtained according to the characteristic parameter of the message of receiving to be obtained, and message that will be to be obtained is that destination address outwards sends with the address information of local terminal;
C, local terminal receive and obtain special packet.
2, the long-range method of obtaining special packet according to claim 1 is characterized in that, is the user speech message through gateway device if wait to obtain special packet, and then described steps A comprises:
Gateway device to far-end sends the Media Stream direction of voice message to be obtained and the physical port number of being correlated with, and the IP of local terminal (Internet protocol) address and UDP (User Datagram Protoco (UDP)) port numbers.
3, the long-range method of obtaining special packet according to claim 1 and 2 is characterized in that described step B comprises:
The gateway device of far-end is determined special packet to be obtained according to the characteristic parameter of message to be obtained, and described message is gone up UDP head and IP head according to the IP address and the udp port number encapsulation of the local terminal of receiving;
Message after the encapsulation is sent in the Ethernet after adding ethernet header.
4, the long-range method of obtaining special packet according to claim 1 is characterized in that described method also comprises:
Local terminal sends to far-end and begins the order of obtaining special packet or stopping to obtain special packet.
5, a kind of method of the voice quality analysis based on the described method of claim 1 is characterized in that, comprising:
The local terminal that comprises the voice quality analysis function receives the described special packet that obtains by described method, and carries out corresponding decapsulation and handle, and obtains voice message to be obtained;
Described voice message is stamped timestamp, and after adding ethernet header, preserve with the filename of setting;
Utilize the voice quality analysis function of local terminal that the voice message of preserving is carried out voice quality analysis.
6, a kind of long-range system that obtains special packet that realizes based on the described long-range method of obtaining special packet, it is characterized in that, comprise remote processor device and local terminal processing unit, described remote processor device is used for obtaining special packet and sending to the local terminal processing unit at far-end, receive and obtain special packet by the local terminal processing unit, wherein, described remote processor device further comprises:
The order line module: be used for the order that long-range reception local terminal processing unit sends, and the order that will receive is handed down to package module, described order comprises waits to obtain the characteristic parameter information of special packet and the address information of local terminal processing unit;
Media Stream processing module: be used to receive the Media Stream that user side produces, and wherein specific Media Stream sent to package module according to the characteristic parameter information that the order line module is sent;
Package module: obtain special packet according to the described characteristic parameter information of obtaining special packet of waiting, and carry out the encapsulation process of special packet, send to sending module afterwards according to the address information of described local terminal processing unit;
Sending module: the message that sending module is sent package module sends to the local terminal processing unit by network.
7, the long-range system that obtains special packet according to claim 6 is characterized in that, described local terminal processing unit comprises:
Subscriber Interface Module SIM: be used for order, and issue described order to Media Stream preservation module and remote processor device in the local reception input;
Receiving processing module: receive the message that the sending module in the remote processor device is sent, and described message is carried out decapsulation handle, then, send it to Media Stream and preserve module;
Media Stream is preserved module: receive the message that described receiving processing module is sent, and it is preserved according to the order that Subscriber Interface Module SIM receives.
8, the long-range system that obtains special packet according to claim 7 is characterized in that described receiving processing module further comprises:
Interface module: receive the message that the sending module in the remote processor device is sent, and ethernet header, IP heading and the UDP heading of described message removed, send to the timestamp module afterwards;
Timestamp module: described message is stamped timestamp, and send to Media Stream preservation module after adding ethernet header.
9, according to claim 6, the 7 or 8 described long-range systems that obtain special packet, it is characterized in that, described remote processor device can be arranged in the gateway device of far-end, and described gateway device comprises IAD (integrated access equipment), AMG (access media gateway) and TMG (Trunk Media Gateway).
According to claim 6, the 7 or 8 described long-range systems that obtain special packet, it is characterized in that 10, described local terminal processing unit can be arranged at any position that can link to each other by network with the remote processor device.
11, according to claim 6, the 7 or 8 described long-range systems that obtain special packet, it is characterized in that, described local terminal processing unit can also be communicated by letter with the voice quality analysis instrument that is used to carry out voice quality analysis, the special packet that obtains is sent to the voice quality analysis instrument, carry out corresponding voice quality analysis by it and handle.
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| CN102208990A (en) * | 2010-03-29 | 2011-10-05 | 华为技术有限公司 | Voice quality analysis method and device |
| CN102412999A (en) * | 2011-12-23 | 2012-04-11 | 华为技术有限公司 | Packet capturing based remote fault location method, system and device |
| CN101621429B (en) * | 2009-07-20 | 2012-05-23 | 中兴通讯股份有限公司 | Method and system for monitoring messages |
| CN101114932B (en) * | 2006-07-27 | 2012-09-19 | 华为数字技术有限公司 | Method and system for implementing remote capturing packet |
| CN103516920A (en) * | 2012-06-20 | 2014-01-15 | 中兴通讯股份有限公司 | Packet capture method and device |
| WO2022121660A1 (en) * | 2020-12-10 | 2022-06-16 | 展讯半导体(成都)有限公司 | Method, apparatus and system for implementing remote automatic packet capture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101114932B (en) * | 2006-07-27 | 2012-09-19 | 华为数字技术有限公司 | Method and system for implementing remote capturing packet |
| CN101621429B (en) * | 2009-07-20 | 2012-05-23 | 中兴通讯股份有限公司 | Method and system for monitoring messages |
| CN102208990A (en) * | 2010-03-29 | 2011-10-05 | 华为技术有限公司 | Voice quality analysis method and device |
| WO2011120367A1 (en) * | 2010-03-29 | 2011-10-06 | 华为技术有限公司 | Method and device for analyzing voice quality |
| CN102208990B (en) * | 2010-03-29 | 2013-10-09 | 华为技术有限公司 | Voice quality analysis method and device |
| CN102412999A (en) * | 2011-12-23 | 2012-04-11 | 华为技术有限公司 | Packet capturing based remote fault location method, system and device |
| CN102412999B (en) * | 2011-12-23 | 2014-12-03 | 华为技术有限公司 | Packet capturing based remote fault location method, system and device |
| CN103516920A (en) * | 2012-06-20 | 2014-01-15 | 中兴通讯股份有限公司 | Packet capture method and device |
| WO2022121660A1 (en) * | 2020-12-10 | 2022-06-16 | 展讯半导体(成都)有限公司 | Method, apparatus and system for implementing remote automatic packet capture |
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