CN1839617A - Method for whole-network whole-course calling tracing in soft exchange system - Google Patents
Method for whole-network whole-course calling tracing in soft exchange system Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/2281—Call monitoring, e.g. for law enforcement purposes; Call tracing; Detection or prevention of malicious calls
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Abstract
The invention discloses a method for carrying out whole-network and whole-course call tracking in a soft switching system. The method comprises the following steps: a user starts a tracking task on a tracking terminal and sets tracking conditions; the tracking terminal requests the establishment of connection to the corresponding tracked node; the tracked node caches the received or sent information when the call occurs, numbers each tracking information, and the numbers are increased progressively according to time; the tracked node searches for a call meeting the set tracking condition according to the set tracking condition; the tracked node inserts the tracking information of the call meeting the tracking condition as a call tracking option into the head of an extended IP datagram of the call message and sends the tracking information to the tracking terminal; and the tracking terminal displays the signaling interaction process of the call meeting the tracking condition in a graphic window of the tracking terminal. According to the method, in the soft switch system, when the call spans a plurality of entities, the whole signaling interaction process of the call can be visually displayed in the sequence diagram of the whole call, so that the fault can be rapidly eliminated.
Description
Carried out in soft switchcall server
The method and technology field of the whole network whole process call follow
The present invention relates to soft switch telecommunication network system, when participating in calling by multiple entities more particularly in soft switchcall server, the method that the whole network all-the-way tracking is carried out to calling and signaling.Background technology
Traditional telecommunications network is by multiple switching nodes（Telephone exchange）Composition, and the ununified structure of each exchange system, the tracking for call signaling can only be confined in single switch.Such as, included at one in switch A, B and C communication network, a user in switch A initiates a calling, switch A passes through switch b (tandem exchange）A user in interchanger C is connected to, the at this moment calling has bridged three interchangers.In the telecommunications network, individually calling signalling tracking can only be carried out in each interchanger, it is impossible to observe whole call signaling interaction, such as switch A can not observe switch b and interchanger C call signaling.
Due to the structure that traditional exchange system is not unified, therefore, also ununified calling signalling tracking method, the calling signalling tracking for preventing conventional telecommunications net whole from accomplishing the whole network.Such as, in a kind of interchanger being made up of central processing module, background processing module and exchange processing module, when doing call follow, attendant sets the condition of tracking in terminal, tracking condition is issued to exchange processing module by background processing module, when calling generation, the call signaling for the condition that meets is sent to background processing module by exchange processing module, then displayed on the terminals.But it is due to lack corresponding relation mechanism, each bar call signaling can only be enumerated simply, attendant needs to search the message of failure in substantial amounts of message, wastes time and energy.
As the soft switchcall server of future telecommunication developing direction, the network element involved by it
It is more, often it is divided into call server CS in such as conventional switch soft exchanging system knot ^:Unified call follow specification is not defined yet in WMG MG and SGW SG, therefore call follow is increasingly complex, and current soft switchcall server.
Fig. 1 show the simple schematic diagram of soft switchcall server.It is main by application server（AS), call server（CS), SGW（SG), the entity such as media/Tandem Gateway (MG/TG) is constituted.The processing of application server (AS) finishing service, call server (CS) completes call treatment, SGW (SG) is used for SS7 MTP processing, and media/Tandem Gateway (MG/TG) are used for the access of media.Different types of interface protocol is defined between each entity, is M3UA between such as CS and SG, for transmitting MTP3 signalings；It is IUA/MEGACO between CS and MG/TG, IUA is used to transmit Q.931 signaling, and MEGACO is used to transmit media control signaling.CS and AS is not yet determined in current soft switch specification.
Generally, in such a soft switchcall server, completing a calling needs multiple entities to participate in, and needs to exchange information between each entity.Because information exchange is sufficiently complex, if a certain link makes a mistake and causes call failure, to check the reason for entity made a mistake and diagnosis make mistake will be very difficult and complexity.From practical experience, attendant is generally required from calling source（That is calling subscribe) with arriving call intent（Called subscriber）Progressively follow the trail of and check each entity and interface.For example for the multiple network elements of leap or the abnormal call of gateway, when positioning failure, first have to determine which network element is abnormal, then to determine which of network element module is abnormal, could finally position which example abnormal.Due to initially not available information in existing soft switchcall server, this position fixing process is possible to travel through all examples of all network elements.Therefore the process of positioning failure will not only expend time but also labor intensive.The content of the invention
It is therefore an object of the present invention to one kind is provided in soft exchanging system structure, the method that the whole network all-the-way tracking is carried out to calling.
According to the method for the whole call follow of the whole network carried out in soft switchcall server of the present invention, the network includes the call follow subsystem being at least made up of multiple track terminals and multiple tracked nodes, wherein each track terminal is connected with least one tracked node, the calling is related to multiple entities, and methods described comprises the following steps：User starts a tracing task in track terminal and sets tracking condition；Track terminal sets up connection to corresponding tracked node request；Tracked node Slow when calling generation deposits message that is receiving or sending, is each tracking information numbering, and the number is temporally incremented by；Tracked node searches for the calling for meeting the condition according to the tracking condition of setting；The extension IP datagram headers that the tracking information for the calling that tracked node will meet tracking condition is inserted into message related to calls as call follow option are sent to track terminal；The signalling interactive process that track terminal will meet the calling of tracking condition according to the tracking information of calling is included in the graphical window of track terminal.
Utilize the whole call tracking method of the whole network of the present invention, by the way that the signalling interactive process of specified calling is real-time dynamicly included in the graphical window of track terminal screen, the message sequence chart that can be entirely called（MSC )
, so as to more intuitively reflect the place gone wrong.This message sequence chart includes the network element for participating in calling, example, status indicator, Signalling exchange and call exception point.Call failure factor can be obtained using call exception point, further according to call state and signaling, the true cause called.
Can be with rapidly removing faults using the present invention.Existing FLT requirement manually exports call log information, then filters out available information from these records again.And according to the method for the whole call follow of the whole network of the present invention, can automatically export and filter information.Abnormal corresponding to same exemplary call, prior art, which may need multiple engineers to spend a lot of time, to be positioned, and use the call tracking method of the present invention, only need just solve in engineer's very short time.Such as it is not used before the present invention, one failure of positioning usually requires a few houres, and after the present invention, the time for positioning and finding out failure cause only needs 5 minutes.
Brief description of the drawings
Below by way of the preferred embodiment of the present invention is described in detail with reference to the accompanying drawings, above-mentioned and other advantage of the invention will become brighter.In the accompanying drawings：
Fig. 1 show the structural representation of the soft switchcall server employed in an embodiment of the present invention；
Fig. 2 show the call signaling interaction for dragging example in soft switchcall server according to the reality of the present invention；
Fig. 3 is the flow chart of the method called according to the whole network all-the-way tracking in soft switchcall server of the embodiment of the present invention；
Fig. 4 is the subsystem configuration diagram of call follow；
Fig. 5 is the process of the start-up trace according to the embodiment of the present invention；
Fig. 6 show the form of IPv4 datagrams；
Fig. 7 show the form of IPv4 datagram option codes；
Fig. 8 show the form of IPv4 call follow options；
Fig. 9 show the form of IPv6 datagrams；
Figure 10 show the form of the end-to-end extension headers of IPv6；
Figure 11 show the form of IPv6 call follow options；
Figure 12 show the MSC illustrated examples of call follow according to embodiments of the present invention；
Figure 13 is the process of the cancellation tracking according to the embodiment of the present invention.Embodiment
Fig. 2 describes an ISDN terminal user and initiates to arrive the signalling interactive process of PSTN/ISDN calling, and it is related to tri- entities of MG, CS and SG, it is necessary to which bis- agreements of IUA and M3UA are participated in.When a user initiates a call, MG sends call setup message (setup) by IUA to CS, and CS thinks called number by number analysis
Receive, call proceeding message (call proceeding) is sent to MG;Then CS will by SG to peer switches send initial address message（IAM);After called terminal ringing, peer switches send Address Complete Message (ACM) by SG to CS;CS sends ALERTING message (alerting) to MG;Can not be carried out assuming that CS is called for some reason, CS will by SG to peer switches send release message (REL);CS also can send release message (rel) to MG;Last peer switches send Release complete (RLC) by SG to CS;MG sends release message to CS（rlc).There are multiple callings in usual system, therefore each interface has substantial amounts of interacting message simultaneously, and attendant is needed by given condition（Such as Subscriber Number）Specified call screening is come out and its message interaction process is observed, for example, the calling shown in Fig. 2 is observed, so as to quickly pinpoint the problems.
Fig. 3 describes the present invention workflow that the whole network all-the-way tracking is called in soft switchcall server.First, in step S310, tracking console sets tracking condition, then, and in step S320, the tracked node of tracking console connection sets tracking condition into called gateways.Once there is the calling of the condition of satisfaction, call follow system will just be triggered.In step S330, tracking system deposits message that is receiving or sending by Slow, is that each tracking information numbering collects related calling information.In step S340, tracked node searches for the calling for meeting the condition according to the tracking condition of setting.In step S350, tracking node is inserted into the stem of the extension IP datagrams of message related to calls by the tracking information of the calling using tracking condition is met as call follow option, collected related calling information is encapsulated into distinctive IP packets, and is sent to track terminal.IP packets are dumped to by control and monitor console by network, in step S360, will meet the signalling interactive process of the calling of tracking condition is included in the graphical window of track terminal.
Fig. 4 is the subsystem configuration diagram of call follow, is mainly made up of two parts, that is, is traced node and track terminal.Tracked node is to track object, such as CS, SG, MG etc.；Track terminal belongs to a part for webmaster, for showing tracking information.Each track terminal can be connected with all tracked nodes or the tracked node specified, i.e., multipair
Many relations.For example, in Fig. 4, track terminal 1 can be with tracked node
1st, 2,3 connection is set up；Track terminal 2 can be set up with tracked node 1,3 and be connected；Track terminal 3 can be set up with tracked node 2 and be connected.
Interaction message is needed between track terminal and tracked node, when such as starting or stoping tracking, track terminal will issue trace command to tracked node；Node is traced during tracking will send the message that tracking information, i.e. entity are received or sent to track terminal.
Fig. 5 is the process of start-up trace, and attendant starts a tracing task in track terminal, and sets the condition of tracking, such as Subscriber Number, relaying ID etc., and the scope tracked, that is, needs the entity of tracking.Track terminal is set up to the entity requests of tracking and connected, and tracking enabled instruction is issued into corresponding entity（Whole tracked entities or part entity）.At this moment the entity of tracking enabled instruction is have received it should be remembered that the condition of the tracking, and loopback enabled instruction is confirmed.
When calling generation, tracked entity answers Slow to deposit tracking information, message that is such as receiving or sending, and gives each tracking information numbering（The numbering is only effective in entity）, number temporally be incremented by.According to the conditional search of tracking, whether the calling is whether attendant's calling to be tracked, i.e. tracking condition meet to tracked entity simultaneously, send the tracking information of the calling in track terminal if meeting.
In the signalling interactive process of calling, in order to accomplish the whole call follow of the whole network, it is necessary to expand standard interface.In soft switchcall server, each interface protocol, such as IUA, MEGACO (H.248), M3UA are carried in IP agreement, and each not ^ of form of every kind of agreement is same, is not easy to expand, otherwise can not realize intercommunity.In order to not expanded for every kind of agreement, the stem of IP datagrams can be expanded, the unified message header for call follow is defined wherein to realize.
Interface message often only includes the necessary information related to calling in existing soft switchcall server, and the interface message expanded can be for the unrelated tracking information of bearing call.It may be said that expanding information depends on former interface, but have no effect on calling.Need to expand
Information have：The related tracking information of the calling is sent to the track terminal specified by track terminal IP and tracing task ID, the entity that message is received for enabling；The tracking information numbering of sender, sender's entity ID and sender call instance ID, the matching for being conveniently transmitted and receiving message.
Divide both situations of IPv4 and IPv6 below, the embodiment for expanding this excellent ease of stem of IP datagram is described with reference to Fig. 6 to Figure 11.
Fig. 6 is the form of IPv4 datagrams.On IPv4 particular content, IETF (internet engineering task groups are may be referred to）Rfc791.In IPv4, IP options include multiple eight hytes, in order to ensure integral multiple of the IP packet header for 32 bits, if IP options are not 32 integral multiples than Xu, with 0 filling polishing.Multiple options can be included in IP options, first eight hyte of each option are option code, and second eight hyte is option if the option includes data（Length adds two equal to Option Data Length, that is, is included in the length of option code and length in itself）, it is followed by option data.Fig. 7 is the form of option code, and copy field represents that whether the option should be copied to all bursts during IP datagram burst is gone, and option class and option number indicate the type of the option, are in the defined option classes of rfc791 and option number：
Option class meaning
0 datagram or network control
1 be left in the future use
2 misarrangements and measurement
3 are left in the future using the description of option Class Options length
The end of list (EOL) of 0 0-option
0 1-without operation（For the Ba Wei Group in the alignment option table）
02 11 safety and processing limitation（For military purposes）
03 elongated not strict source routings.For in a specified circuit
Footpath is datagram routing
07 variable-length record paths.For tracking route
084 flow identifiers（It is out-of-date）
09 elongated strict source routings.For specified path be datagram routing
24 elongated Internet timestamp.The information of call follow is transmitted by increasing a kind of option for recording the timestamp in route, Fig. 8 is defined
The form of IPv4 call follow options, is described as follows：
Option code
Copy：0, i.e., option is only copied to first burst option class：2, misarrangement and measurement option number：7, call follow
Length is 20
Tracing task ID length is that two eight hyte track terminal IP length are that four eight hyte sender's entity ID length are four eight hytes
Sender call instance ID length is four eight hytes
Tracking information numbering length is four eight hytes
Fig. 9 is the form of IPv6 datagrams, on IPv6 particular content, may be referred to IETF (internet engineering task groups）Rfcl883.In IPv6, it may include multiple extension headers, wherein RFC1883 define a kind of end-to-end extension header, for end-to-end transmission option, Figure 10 describes the form of end-to-end extension header.First eight hyte represents next stem type（RFC1700 is shown in the definition of stem types value), second eight hyte is header length（For the length of whole stems）,
It is followed by one or more IP options.First Ba Wei Group of each option is type field, and two bits of its highest indicate how to handle when main frame or router do not recognize the option.
Type 0,1 bit meaning
00 skips this option
01 abandons datagram；Do not send icmp packet
10 Lost abandon datagram；Icmp packet is sent to source station
11 Lost abandon datagram；Icmp packet, which is sent, for non-multicast is sent to the higher bit of source station type field the 3rd（That is the second bit）Indicate that can router change option.Type 2 compares Xu Yiyi
0 can not be changed by router
0 can be option code by router change the 3rd to the bit of the mat woven of fine bamboo strips seven.
If option has data, second eight hyte is option（It is only the length of data）, it is followed by option data.Current RFC1883 define only two kinds of the fill options：
PadO, is fixed length the fill option, the hyte of only one of which eight（That is type）, type codes are 0
Padl, is elongated the fill option, including type, length and filling data, and type codes are 1, and length is the length of filling data, and filling data are eight hytes of 0 value.
The information of call follow is transmitted by increasing a kind of option in ipv 6, Figure 11 defines the form of IPv6 call follow options, is described as follows：
Type
0th, 1 bit 00, i.e., skip this bit 0 of option the 2nd if not recognizing, mustn't router the 3rd to the 7th bit 7 of change, call follow
Length is 18
Tracing task ID length is that two eight hyte track terminal IP length are that 16 eight hyte sender's entity ID length are that four eight hyte sender's call instance ID length are four Ba Wei Group
Tracking information numbering length is the condition that four Ba Wei Group are set when calling satisfaction, and all message related with the calling should be sent to corresponding track terminal by the entity that testing conditions are met（Message that is being deposited including Slow and will receiving or send）, and insert call follow option in the IP datagrams for sending all follow-up messages related to calls, i.e., insert call follow information in the IP header informations of expansion.The entity for receiving the message with the option also should be by all message of the calling（The message received including rigid connection）The track terminal specified is sent to, that is, is infected, while remembeing track terminal IP tracing task ID, when it needs to send message to the calling, also needs to add same option（Go to infect other side again）, so until all entities related to the calling are all infected.In order to prevent tracking condition nested（I.e. tracked calling meets another tracking condition）, when a calling is infected, no longer inquire about tracking condition.
Tracked interface between entity and track terminal belongs to the internal interface of product, in an embodiment of the present invention, and interface should have these tracking information key elements of the following key element for tracking information to be carried in the information of standard interface expansion.The tracking information key element includes：
Tracing task ID;
Tracking information type.There are two kinds：The message of reception, the message of transmission；Sender's entity ID.
Recipient's entity ID.Message only to reception is effective；
Sender's call instance ID;
Recipient's calling entity ID.Message only to reception is effective；
Sender's tracking information is numbered；
Recipient's tracking information is numbered.Message only to reception is effective；
The information content.Track terminal first classifies the information received by tracing task, and this is due to that can start multiple tracing tasks in a track terminal, belongs to the information of same tracing task and should show together（Such as in same window）.
Next finds out each call instance, and this is due to that a tracing task can observe multiple callings, i.e., they meet identical condition, and attendant is needed to each calling separately observation（Such as it is divided into independent MSC figures）.This can be judged by sending with associating for reception message.When a sender's call instance ID for sending message and sender's tracking information numbering are identical with the sender's call instance ID and sender's tracking information numbering for receiving message, then it is considered that this two message are a pair, and the call instance sent and received belongs to same calling, the tracking information that the two so every call instances are sent also belongs to same calling, it is possible thereby to will belong to one calling example and tracking information find out.
Tracking information number sorting is pressed in each entity to it again.And the message for reception has two numberings, but because sender's tracking information numbering is not produced by the entity, so being only ranked up to recipient's tracking information numbering.
MSC figures are finally drawn according to the information for having sequenced order.But there is a problem to need to solve before picture, i.e. position of the information in MSC.MSC has many vertical lines to represent state machine instance.State machine instance represents an example above, due to
Each example can existence transition, so also known as state machine instance.Represent that message is flowed to by arrow between example, the generation time order of message is represented by the position of longitudinal direction, more down represents that the time that event occurs is more late.In general information encoding is bigger, its position in MSC is more down, but for reception event, it is necessarily more late than sending event, so to receiving message, except information encoding to be judged, also to compare that it is corresponding ' transmission message transmission numbering, its position is necessarily than sending event on the lower.Track terminal parses the parameter of outbound message so that attendant reads except drawing MSC figures always according to the information content.
Figure 12 is a MSC figure examples, which describes the tracking MSC figures of a cylinder unitary call.This tracking condition is called number ' 635551 "; WMG MG1 triggers call follow system first; and then when calling is by call center CS1 and SGW SG1, call follow information similarly travels to corresponding module, finally all gateways for participating in calling（MG1, CS1 and SG1 for example in this) and module will all complete call follow task jointly.An ISUP captured IAM message is shown in figure right side, and wherein Seq numbers for sender's tracking information, and Type is type, and its value represents that type is message class；Dir is direction, and its value is expressed as the message received；Source indicates for message sender, and its value represents that sender's entity ID is 1 in CS1;Dest indicates for message receiver, and its value represents that recipient's entity ID is 1 in SG1;OPC is Original Signaling Point numbering in No.7 signalling system, and its value is 32-33-55;DPC is destination signaling point numbering in No.7 signalling system, and its value is 32-33-66;CIC indicates for circuit, and its value is 332;Msg type are type of message, and its value is expressed as IAM message；Nature of connection indictor indicate for connection performance, its value is no satellite (no satellite circuit), continuity not (are not turned on), outgoing echo not (no outgoing echo controls）.
Attendant can cancel tracing task, the process that Figure 13 tracks for cancellation by track terminal.Attendant selects the tracing task to be cancelled first, then clicks on a stop button of console, and such console can send the control command of a stopping to phase
The tracking node answered, tracking node is received cease and desist order after remove the tracking information that tracking condition and Slow are deposited, and return to confirmation message.Console receives confirmation message, and tracing task is to be cancelled., it should not be construed as any limitation of the invention.Those skilled in the art can obtain any modification and improvement for the present invention according to foregoing description, but these modification and improvement are included in the scope and spirit of the present invention defined in following claims.
Claims (1)
- 1. the method for the whole call follow of the whole network carried out in soft switchcall server, the network includes the call follow subsystem being at least made up of multiple track terminals and multiple tracked nodes, wherein each track terminal is connected with least one tracked node, the calling is related to multiple entities, and methods described comprises the following steps：User starts a tracing task in track terminal and sets tracking condition；Track terminal sets up connection to corresponding tracked node request；Tracked node Slow when calling generation deposits message that is receiving or sending, is each tracking information numbering, and the number is temporally incremented by；Tracked node searches for the calling for meeting the condition according to the tracking condition of setting；The extension IP datagram stem that the tracking information for the calling that tracked node will meet tracking condition is inserted into message related to calls as call follow option is sent to track terminal；The signalling interactive process that track terminal will meet the calling of tracking condition according to the tracking information of calling is included in the graphical window of track terminal.2. the method for the whole call follow of the whole network according to claim 1, the IP datagram is IPv4 datagrams or IPv6 datagrams.3. according to the method for the whole call follow of the whole network of claim 1 or 2, the call follow option is inserted into extension IPv4 datagram headers includes：Expand the tracing task ID that length is two eight hytes in IP datagram stem, length is four Ba Wei Group track terminal IP, length is the tracking information numbering of four eight hytes, sender's call instance ID that length is sender's entity ID of four eight hytes and length is four Ba Wei Group.4. according to the method for the whole call follow of the whole network of claim 1 or 2, the call follow option is inserted into extension Ipv6 datagram headers includes：Expand the tracing task ID that length is two eight hytes in IP datagram stem, length is the track terminal IP of 16 eight hytes, and length is that the tracking information of the sender of four eight hytes is compiled Number, sender's call instance ID that length is sender's entity ID of four eight hytes and length is four eight hytes.5. according to the method for the whole call follow of the whole network of claim 1, the entity that the calling is related at least includes WMG M G, call server C S and SGW S G.6. according to the method for the whole call follow of the whole network of claim 5, the signalling interactive process of the calling comprises the following steps：M G send call setup message by I U A to C S；C S think that called number has been received by number analysis, and call setup message is sent to M G；C S send initial address message by S G to peer switches；After called terminal ringing, peer switches send Address Complete Message by S G to C S；C S send ALERTING message to M G；When calling can not be carried out, C S send release message by S G to peer switches, meanwhile, C S also send release message to M G；Peer switches send Release complete by S G to C S, and M G send Release complete to C S.7. according to the method for the whole call follow of the whole network of claim 1, the step of track terminal sets up connection to corresponding tracked node request further comprises：Track terminal sends tracking enabled instruction to tracked node；Tracked node remembers tracking condition；Tracked node loopback enabled instruction is confirmed.8. the method for the whole call follow of the whole network according to claim 1, wherein set tracking condition includes the I D of calling party's number, relaying I D and tracked node.9. according to the method for the whole call follow of the whole network of claim 1, the signalling interactive process of calling is shown in the graphical window of track terminal in the form of MSC figures.10. according to the method for the whole call follow of the whole network of claim 9, the MSC figures are that track terminal is drawn according to the sequence numbered to recipient's tracking information, tracked node instance is wherein represented with vertical line, message flow direction between representing example with the arrow between vertical line, the time sequencing that message is produced is represented with lengthwise position of the arrow on vertical line.11. according to the method for the whole call follow of the whole network of claim 10, wherein tracking information numbering is bigger, its position in the MSC figures is more down.12. the method for the whole call follow of the whole network according to claim 1, all message of the calling are also sent to the track terminal specified by the entity for wherein receiving the wherein message related to calls of insertion call follow option, so that all entities related to the calling are all infected.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2003/000911 WO2005043879A1 (en) | 2003-10-28 | 2003-10-28 | A method of making a call tracing of the entire net and the whole process in a soft switch |
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| CN1839617A true CN1839617A (en) | 2006-09-27 |
| CN100544392C CN100544392C (en) | 2009-09-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101908973A (en) * | 2009-06-04 | 2010-12-08 | 美国博通公司 | A kind of networking method and networked system |
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|---|---|---|---|---|
| CN100441016C (en) * | 2005-09-05 | 2008-12-03 | 中兴通讯股份有限公司 | Mobile communication network protocol signal processing system and method |
| CN100417089C (en) * | 2005-11-01 | 2008-09-03 | 华为技术有限公司 | Method and apparatus for implementing call diary |
| CN101094427B (en) * | 2006-06-23 | 2010-05-12 | 华为技术有限公司 | System and method for collecting signaling message from whole network |
| CN101098204B (en) * | 2006-06-29 | 2011-07-06 | 华为技术有限公司 | Whole network signalling time sequence reverting method |
| CN101114930B (en) * | 2006-07-26 | 2011-11-23 | 华为技术有限公司 | Service tracing method and tracing equipment and system |
| CN100466552C (en) * | 2006-09-28 | 2009-03-04 | 华为技术有限公司 | NGN system and end to end tracing method and device applied in this system |
| CN101945109B (en) * | 2010-09-16 | 2013-01-09 | 电子科技大学 | Method for carrying out path recording and source tracing on signaling No.7 network transmitting process |
| CN102571402B (en) * | 2010-12-30 | 2014-12-10 | 中兴通讯股份有限公司 | Method and system for analyzing whole-process call loss |
| CN102891875B (en) * | 2011-07-21 | 2017-12-22 | 中兴通讯股份有限公司 | Signaling tracking method, WEB client side, service end and signal following system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09321869A (en) * | 1996-05-31 | 1997-12-12 | Nec Corp | Call information testing method and device therefor |
| KR100227517B1 (en) * | 1997-06-18 | 1999-11-01 | 서평원 | System and method for call watch in exchanger |
| US6137876A (en) * | 1997-12-04 | 2000-10-24 | Ericsson Inc | Network call trace |
| KR100295832B1 (en) * | 1999-04-28 | 2001-07-12 | 박종섭 | Message trace method for establishing traffic channel call |
| TW533705B (en) * | 1999-12-21 | 2003-05-21 | Ericsson Telefon Ab L M | Resource tracking and display in a communications system |
-
2003
- 2003-10-28 CN CNB2003801104879A patent/CN100544392C/en not_active Expired - Fee Related
- 2003-10-28 AU AU2003280547A patent/AU2003280547A1/en not_active Abandoned
- 2003-10-28 WO PCT/CN2003/000911 patent/WO2005043879A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9225598B2 (en) | 2008-01-17 | 2015-12-29 | Broadcom Corporation | Method and system for end-to-end management of energy efficient networking protocols |
| CN101908973A (en) * | 2009-06-04 | 2010-12-08 | 美国博通公司 | A kind of networking method and networked system |
| CN101908973B (en) * | 2009-06-04 | 2015-02-04 | 美国博通公司 | Networking method and networking system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2005043879A1 (en) | 2005-05-12 |
| CN100544392C (en) | 2009-09-23 |
| AU2003280547A1 (en) | 2005-05-19 |
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