CN101442841A - Medium gateway and statistical reporting method thereof - Google Patents
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Abstract
The invention relates to the communication field, discloses a media gateway and statistics and reporting method thereof. In the invention, when the statistical parameter value changes, the current statistical parameter value is judged whether meets the reporting condition, and if yes, the statistical parameter value and/or the corresponding event is reported to the MGC, thereby, different statistics and monitoring demands are satisfied more flexibly and more effectively. The MGC sends an event parameter to MG in advance, and transmits reporting condition through the event parameter or its sub parameter, or set a reporting condition on the media gateway in advance. The reporting condition is one of or optional combination of the followings: the statistical parameter value deviates from the preset target value and/or goes back to the preset target value, the statistical parameter value spans the preset target value, and the statistical parameter value enters and/or exits the preset target value range.
Description
Technical field
The present invention relates to the communications field, particularly media gateway is to the technology that reports of Media Gateway Controller.
Background technology
In the report of the latest development of the communication technology, next generation network (Next GenerationNetwork is called for short " NGN ") and 3G (Third Generation) Moblie (3rd Generation, abbreviation " 3G ") undoubtedly are two fields of greatest concern.
In the evolution of NGN, its definition is changing always.At (the International Telecommunication Union of International Telecommunications Union, abbreviation " ITU ") in " the 2004 global NGN summit forum " of holding, the standard of NGN is decided to be: a packet-based network, it can provide the miscellaneous service that comprises telecommunication service, and can use multiple broadband and service quality (Qualityof Service arranged, abbreviation " QoS ") tranmission techniques that guarantees, the final developing direction and the scope of having established NGN thus.
From the situation that present NGN disposes, all be to adopt Media Gateway Controller (MediaGateway Controller is called for short " MGC ") and these two kinds of key member networkings of media gateway (Media Gateway is called for short " MG ") basically.Wherein, MGC is responsible for CCF; MG is responsible for the service bearer function, realizes by this calling out separating of control plane and service bearer plane.The two can independently separately develop, thus abundant shared network resource, and simplified apparatus upgrading and professional expansion reduce development and maintenance cost greatly.
MGCP is the main agreement of communicating by letter between MGC and the MG, present widely used H.248 (the Gateway Control Protocol/H.248 of gateway control protocol that has, be called for short " H.248/MeGaCo ") and MGCP (Media Gateway Control Protocol, abbreviation " MGCP ") two kinds of agreements, communication protocol between MG is RTP (RealTimeTransfer Protocol, be called for short " RTP "), as shown in Figure 1.
Wherein, the MGCP agreement is worked out and is revised in January, 2003 in October, 1999 by internet engineering task group (Internet Engineering Task Force is called for short " IETF "); H.248/MeGaCo protocol version 1 is revised in common formulation of in November, 2000 and in June, 2003 by IETF and ITU; H.248/MeGaCo protocol version 2 is revised in common formulation of in May, 2002 and in March, 2004 by ITU; H.248/MeGaCo protocol version 3 is issued in September, 2005 by ITU.
For agreement H.248/MeGaCo, 8 basic commands (Command) are arranged between MGC and the MG, are respectively to increase (Add), modification (Modify), deletion (Subtract), transfer (Move), audit value (AuditValue), auditability (AuditCapabilities), notice (Notify), professional change (ServiceChange).
For the MGCP agreement, 9 basic commands are arranged between MGC and the MG, be respectively notice request (NotificationRequest, code is RQNT), notice (Notify, code is NTFY), (CreateConnection connects, code is CRCX), revise and connect (ModifyConnection, code is MDCX), deletion connects (DeleteConnection, code is DLCX), audit terminal (AuditEndpoint, code is AUEP), audit connects (AuditConnection, code is AUCX), restart and carry out (ReStartInProgress, code are RSIP), terminal configuration (EndpointConfiguration, code are EPCF).
H.248/MeGaCo agreement is development on the basis of MGCP agreement, is example with agreement H.248, and MG is to realize by the resource on it for the carrying of business, and these resources are expressed as terminal (Termination) abstractively.Terminal is divided into physics (Physical) terminal and interim (Ephemeral) terminal again, and the former represents some physical entities with semipermanent existence, for example time division multiplexing (Time Division Multiplexing is called for short " TDM ") passage etc.; The public resource that on behalf of some provisional application, the latter discharge with the back, for example rtp streaming etc.Combination between the terminal is context (Context) by abstract representation, and context can comprise a plurality of terminals, thereby often describes the correlation of terminal room with topology (Topology).For also related terminal not taking place, then be called the contextual special context of sky (Null) and comprise by one with other terminal.
Based on this abstract model of agreement, in fact continuing of calling be exactly to terminal and contextual operation, and this operation is finished by command request between MGC and the MG and response.Command parameter is also referred to as descriptor (Descriptor), is classified as attribute (Property), signal (Signal), incident (Event) and statistics (Statistic).
Specifically, what Property represented is the specification of resource requirement, is handed down to MG by MGC usually, or is provided with by MG oneself, for example the maximum or the minimum value of dithering cache setting; Signal is used to refer to the operation that MG carries out resource by MGC, for example puts dialing tone, ring-back tone, busy tone etc. to the user; Event then is used to refer to the monitoring that MG carries out state by MGC, for example monitor user ' off-hook (Off-hook), on-hook (Hang-up), dialing (Dialing), hooking (Flash-hook) etc.; And Statistic represents is the situation that resource is used, and carries out calculating operation by MG usually, MGC (also promptly activating or the deactivation) parameter wherein that can enable selectively or deenergize.Parameter with professional correlation polymerization in logic becomes bag (Package).
At present, the currency of the statistical parameter on the MGC acquisition MG has two kinds of methods:
A kind of method is that MGC sends request command to MG, this request command can be AuditValue request command or Subtract request command, and clear and definite or default statistics (Statistic) parameter value of wanting of specifying, MG will be in corresponding response command returns to MGC with the currency of this statistical parameter.
Another kind method is that MGC specifies or the default report condition at certain statistical parameter value of MG oneself to MG, and when current statistical parameter value satisfied this condition, MG just reported this statistical parameter value by the Notify request command to MGC.
Said report condition more is based on the report condition that the time changes at present in a kind of method in back, for example duration and cycle, report according to the duration report condition and to be meant that statistical parameter value should be reported during expiry at default duration, report the value that is meant statistical parameter to be reported with the frequency of predetermined period according to the periodic report condition, the value of this statistical parameter should be reported by the frequency with this cycle during this duration if two kinds of conditions are used then simultaneously.Yet, demand at the different application scene, only carry out the demand that reporting of statistical parameter can not fine satisfied different statistical monitorings according to the report condition that changes based on the time, the application scenarios of diversification needs more report condition more targetedly, as the report condition based on the parameter value variation situation.But the report condition based on the parameter value variation situation is not specifically proposed in the prior art.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of media gateway and statistical report method thereof, makes to satisfy different statistical monitoring demands more flexibly effectively.
For achieving the above object, the invention provides a kind of media gateway statistical report method, comprise following steps:
When media gateway changes at statistical parameter value, judge whether current statistical parameter value satisfies report condition, if then report current statistical parameter value and/or the incident corresponding with the report condition that is satisfied to Media Gateway Controller.
Wherein, before described judgement and reporting step, also comprise following steps:
Described Media Gateway Controller issues event argument and transmits described report condition by this event argument or its subparameter to described media gateway, perhaps sets in advance described report condition in media gateway.
In this external described method, described report condition is that statistical parameter value departs from preset target value and/or reverts to described preset target value.
In this external described method, statistical parameter value departs from described desired value and comprises and upwards depart from described desired value and/or downward bias from described desired value;
Statistical parameter value revert to described desired value comprise by on revert to described desired value and/or by under revert to described desired value.
In this external described method, described report condition is that statistical parameter value is crossed over preset target value.
In this external described method, statistical parameter value is crossed over described preset target value and is comprised that ascending order is crossed over this desired value and/or descending is crossed over this desired value.
In this external described method, described report condition is that statistical parameter value enters and/or withdraw from the preset target value interval.
In this external described method, described preset target value interval is between totally-enclosed interval or semi enclosed area.
In this external described method, described report condition is the combination in any of the following:
Statistical parameter value departs from preset target value and/or reverts to described preset target value;
Statistical parameter value is crossed over preset target value;
Statistical parameter value enters and/or withdraws from the preset target value interval.
In this external described method, described report condition is used in combination with the report condition that changes based on the time.
The present invention also provides a kind of media gateway, comprises the reporting module that is used for reporting to Media Gateway Controller statistical parameter value or incident, also comprises:
Judge module, be used for when statistical parameter value changes, judge whether current statistical parameter value satisfies report condition, if then indicate described reporting module to report current statistical parameter value and/or the incident corresponding with the report condition that is satisfied to described Media Gateway Controller.
Wherein, also comprise:
Receiver module is used to receive the event argument from described Media Gateway Controller, obtains described report condition from this event argument or its subparameter.
In addition, described report condition comprises one of following or its combination in any:
Statistical parameter value departs from preset target value and/or reverts to described preset target value;
Statistical parameter value is crossed over preset target value;
Statistical parameter value enters and/or withdraws from the preset target value interval.
By relatively finding, the main distinction of technical scheme of the present invention and prior art is, by when statistical parameter value changes, judge whether current statistical parameter value satisfies report condition, if then report current statistical parameter value and/or relevant incident, thereby can satisfy different statistical monitoring demands more flexibly effectively to MGC.
MGC issues event argument and transmits report condition by this event argument or its subparameter to MG in advance, perhaps sets in advance described report condition in media gateway, thereby makes MG report statistical parameter value flexibly according to this report condition.
This report condition is that statistical parameter value departs from preset target value and/or reverts to preset target value, make when statistical parameter value departs from or recover desired value, as depart from or when recovering its initial value, MG all can report MGC with current statistical parameter value, so that MGC can adjust according to this variation.
This report condition is that statistical parameter value is crossed over preset target value.According to this report condition, when MG fluctuates up and down around the goal-selling value at statistical parameter value, can in time report current statistical parameter value, make fluctuation situation that MGC can in time know statistical parameter value, be applicable to the scene higher the statistical parameter value stability requirement so that adjust.
This report condition is that statistical parameter value enters and/or withdraw from the preset target value interval.According to this report condition, MG enters or withdraws from preset target value when interval at statistical parameter value, all can in time report current statistical parameter value, is applicable to that hope is controlled at scene in the fixed range with statistical parameter value.
Report condition can be the combination of above-mentioned multiple report condition, also can be used in combination with the report condition that changes based on the time, for example with the time elongate member use then the value of this statistical parameter during this duration, to judge according to above-mentioned each report condition whether needs report simultaneously, thereby can satisfy different statistical monitoring demands effectively more flexibly, adapt to the needs of various application scenarioss.
Description of drawings
Fig. 1 is the networking structure schematic diagram of MGC and MG in the prior art;
Fig. 2 is the MG statistical report method flow chart according to first embodiment of the invention;
Fig. 3 is the system construction drawing according to the MG of fifth embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
Core of the present invention is, MGC issues report condition to MG in advance, perhaps MG sets in advance report condition, when MG changes at statistical parameter value, judge whether current statistical parameter value satisfies described report condition, if then report current statistical parameter value and/or events corresponding, according to the difference of report condition to MGC, MG can have a variety of modes that report, so that satisfy different statistical monitoring demands more flexibly effectively.
According to inventive principle first embodiment of the invention MG statistical report method is described below.
As shown in Figure 2, in step 210, MGC issues event argument to MG, comprises the report condition of statistical parameter value in the subparameter of this event argument.This report condition is: statistical parameter value reports when departing from preset target value and/or reverting to preset target value.Specifically, this report condition can be statistical parameter value upwards the value of departing from objectives (being changed to the value big), downward bias than desired value from desired value (being changed to the value little) than desired value, by on revert to desired value (returning to desired value) by less value, by a kind of situation or the multiple situation that revert to down in the desired value (reverting to desired value) by bigger value.Desired value wherein can be the initial value of statistical parameter value or the value of other appointments.The report condition of MGC by defining in event argument or its subparameter guarantees the smooth transmission of report condition, makes MG to report statistical parameter value flexibly according to the report condition of MGC setting.
Such as, initial value INTL (Initial) subparameter of definition integer type in event argument, be used to transmit the initial value of statistical parameter value, the departing from DVT (Deviate) and recover RSM (Resume) subparameter of definition Boolean type, be respectively applied for and control that statistical parameter value departs from and whether report when recovering initial value.At initial value is a, and report condition is that statistical parameter value reports when departing from initial value, and under the situation about not reporting when reverting to initial value, MGC corresponding subparameter in the event argument that MG issues is set to { INTL=a, DVT=on, RSM=off}.
In addition, this report condition can also upwards depart from, downward bias from, by on recover and by recovering further segmentation down, such as report condition can be: statistical parameter reports when upwards departing from initial value, and all the other situations do not report.In order to transmit this report condition, the DVT subparameter can be further divided into DVTup and DVPdown subparameter, control respectively that statistical parameter value upwards departs from initial value and whether downward bias reports when initial value.Equally, the RSM subparameter also can be further divided into RSMup and RSMdown subparameter, control respectively statistical parameter value by under revert to initial value and by on whether report when reverting to initial value.By each subparameter of refinement, the report condition that makes MGC be provided with can more relevantly satisfy the demand of various statistical monitorings.What deserves to be mentioned is, this report condition except by MGC to MG issue obtain, can also set in advance by MG and obtain.
Then enter step 220, when MG changes at statistical parameter value, judge that whether current statistical parameter value satisfies the report condition from MGC, if then enter step 230, otherwise then enters step 240.
In step 230, MG reports current statistical parameter value and/or the incident corresponding with the report condition that is satisfied to MGC.Such as, the report condition that MGC issues is for upwards departing from initial value or reporting during by last recovery initial value, then at statistical parameter value when initial value is changed to bigger value, MG reports statistical parameter value and/or corresponding incident, when statistical parameter value reverted to initial value by this higher value, MG reported statistical parameter value and/or corresponding incident once more.
Then enter step 240, MG judges whether above-mentioned event argument lost efficacy, if process ends then, otherwise then returning step 220, MG continues to judge whether current statistical parameter value satisfies report condition.
The second embodiment of the invention MG statistical report method and first execution mode are roughly the same, its difference is that in the first embodiment MGC to the report condition that MG issues is: statistical parameter value reports when departing from preset target value and/or reverting to preset target value; And in the present embodiment, MGC to the report condition that MG issues is: statistical parameter value reports when crossing over preset target value.Said leap desired value can be subdivided into ascending order again and crosses over desired value (being become by smaller value in the process of higher value through desired value) and descending and cross over two kinds of situations of desired value (become by higher value in the process of smaller value and pass through desired value) in this report condition, and this report condition can comprise wherein a kind of situation or comprise two kinds of situations simultaneously.Such as report condition can be: report when ascending order is crossed over desired value, do not report when descending is crossed over desired value.Whether the situation that just reaches desired value for statistical parameter value in change procedure belongs to and crosses over this desired value in addition, can arrange in advance.
As seen, according to this report condition, when MG fluctuates up and down around the goal-selling value at statistical parameter value, can in time report current statistical parameter value, make fluctuation situation that MGC can in time know statistical parameter value so that adjust, be applicable to the scene higher the statistical parameter value stability requirement.
In the present embodiment, MGC is equally by transmitting corresponding report condition in event argument or its subparameter.Such as, in desired value is under the situation of mean value, definition integer type mean value AVRG (Average) subparameter in event argument, be used to preserve this mean value, leap OVRD (Override) subparameter of definition Boolean type, whether report when being used to control statistical parameter value leap (not distinguishing direction) mean value, report then OVRD=on as needs, otherwise OVRD=off.Further distinguish ascending order leap and descending if desired and cross over two kinds of situations, then the OVRD subparameter can be divided into OVRDup and two subparameters of OVRDdowm, whether report when controlling statistical parameter value ascending order leap predetermined target value and descending leap predetermined target value respectively.By each subparameter of refinement, the report condition that makes MGC be provided with can more relevantly satisfy the demand of various statistical monitorings.
The third embodiment of the invention MG statistical report method and first execution mode are roughly the same, and its difference is that in the present embodiment, MGC to the report condition that MG issues is: statistical parameter value reports when entering and/or withdrawing from the preset target value interval.Desired value interval in this report condition can be totally-enclosed interval, also can be between semi enclosed area, and for example, this report condition can be decided to be when entering or withdrawing from [a ,+∞] scope at statistical parameter value and reports.This report condition can comprise simultaneously and enters and withdraw from the interval two kinds of situations of desired value, or only comprises a kind of situation wherein, only can be decided to be as this report condition to report when statistical parameter value enters this interval.
Because according to this report condition, MG enters or withdraws from preset target value when interval at statistical parameter value, all can in time report current statistical parameter value, is applicable to that hope is controlled at scene in the fixed range with statistical parameter value.
With identical in the one the second execution modes, in the present embodiment, MGC is equally by transmitting corresponding report condition in event argument or its subparameter.Such as, the lower limit LL (Lower Limit) and higher limit UL (Upper Limit) subparameter of definition integer type in event argument, be used to represent the target interval of an integer type, the definition Boolean type exceed OVRN (Overrun) and normal NRML (Normal) subparameter, be respectively applied for to control when statistical parameter value withdraws from and enter this interval and whether report.Make an appointment simultaneously border LL and UL belongs to this target interval.
If MGC subsidiary when MG issues the event argument that is used for statistical report LL=a, UL=b, OVRN=on, NRML=on} all reports to MGC when then MG withdraws from or enter [a, b] scope at statistical parameter value.
{ NRML=on} reports MGC when then MG enters [a ,+∞] scope at statistical parameter value for LL=a, OVRN=off, and does not report MGC when withdrawing from [a ,+∞] scope at statistical parameter value if MGC is subsidiary when MG issues the event argument that is used for statistical report.
Four embodiment of the invention MG statistical report method and first three execution mode are roughly the same, its difference is in the present embodiment that MGC to the report condition that MG issues is: statistical parameter value reports when departing from preset target value and/or reverting to preset target value; Statistical parameter value reports when crossing over preset target value; The combination in any that statistical parameter value reports when entering and/or withdrawing from the preset target value interval.Such as, based on above-mentioned case, define the initial value INTL (Initial) and mean value AVRG (Average) subparameter of integer type, be used to transmit the initial value and the mean value of statistical parameter value; Define departing from DVT (Deviate) and recovering RSM (Resume) subparameter of Boolean type, whether the control statistical parameter value departs from and reports when recovering initial value, leap OVRD (Override) subparameter of definition Boolean type, whether the control statistical parameter value reports when crossing over (not distinguishing direction) mean value.Make an appointment simultaneously and only reach desired value and do not belong to leap.
If MGC is subsidiary { LL=a, UL=m, OVRN=on when MG issues the event argument that is used for statistical report, NRML=on}, { LL=m, UL=n, OVRN=on, NRML=on}, { LL=n, UL=b, OVRN=on, NRML=on}, { INTL=i, DVT=on, RSM=on}, { AVRG=j, OVRD=on}, wherein, m and n are two Along ents with interval [a, b] trisection, i is that statistical parameter value is at interval [a, b] in arbitrary initial value during value, j is the mean value that statistical parameter value changes in interval [a, b], then according to this report condition, when MG withdraws from or enters [a, b] scope at statistical parameter value, and when between the interval of three five equilibriums of this scope, coming in and going out, or depart from and when recovering its initial value, or more than mean value and between following during transition, MG all need report MGC.By each report condition is combined, make MG to change according to the difference of statistical parameter value, report corresponding statistical parameter value or corresponding incident, make MGC can know the variation of statistical parameter value more meticulously, and then make corresponding adjustment more neatly, adapt to the needs of various application scenarioss.
What deserves to be mentioned is, in the present invention, each report condition and the report condition use capable of being combined that changes based on the time, its combination need be followed following rule: each report condition is if combine with the duration report condition, and then statistical parameter value should judge according to above-mentioned each report condition whether needs report in this duration; Each report condition and periodic report condition are independent mutually.
The MG of fifth embodiment of the invention comprises receiver module, judge module and reporting module as shown in Figure 3.Wherein, receiver module is used to receive the event argument from MGC, and obtains report condition from this event argument or its subparameter; Reporting module is used for reporting statistical parameter value or incident to MGC; Judge module is used for when statistical parameter value changes, and judges whether current statistical parameter value satisfies report condition, if then indicate reporting module to report current statistical parameter value and/or the incident corresponding with the report condition that is satisfied to MGC.Because in strict accordance with report condition, the reporting of control statistical parameter value and/or corresponding event makes MG can be fully report according to the demand of MGC, satisfies the demand of MGC under the different situations.
Wherein, this report condition can be one of following or its combination in any: statistical parameter value departs from preset target value and/or reverts to preset target value; Statistical parameter value is crossed over preset target value; Statistical parameter value enters and/or withdraws from the preset target value interval.Because report condition comprises the combination of various situations, thereby can satisfy different statistical monitoring demands effectively more flexibly, adapts to the needs of various application scenarioss.
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (13)
1. a media gateway statistical report method is characterized in that, comprises following steps:
When media gateway changes at statistical parameter value, judge whether current statistical parameter value satisfies report condition, if then report current statistical parameter value and/or the incident corresponding with the report condition that is satisfied to Media Gateway Controller.
2. media gateway statistical report method according to claim 1 is characterized in that, before described judgement and reporting step, also comprises following steps:
Described Media Gateway Controller issues event argument and transmits described report condition by this event argument or its subparameter to described media gateway, perhaps sets in advance described report condition in media gateway.
3. media gateway statistical report method according to claim 1 is characterized in that, described report condition is that statistical parameter value departs from preset target value and/or reverts to described preset target value.
4. media gateway statistical report method according to claim 3 is characterized in that, statistical parameter value departs from described desired value and comprises and upwards depart from described desired value and/or downward bias from described desired value;
Statistical parameter value revert to described desired value comprise by on revert to described desired value and/or by under revert to described desired value.
5. media gateway statistical report method according to claim 1 is characterized in that, described report condition is that statistical parameter value is crossed over preset target value.
6. media gateway statistical report method according to claim 5 is characterized in that, statistical parameter value is crossed over described preset target value and comprised that ascending order is crossed over this desired value and/or descending is crossed over this desired value.
7. media gateway statistical report method according to claim 1 is characterized in that, described report condition is that statistical parameter value enters and/or withdraw from the preset target value interval.
8. media gateway statistical report method according to claim 7 is characterized in that, described preset target value interval is between totally-enclosed interval or semi enclosed area.
9. media gateway statistical report method according to claim 1 is characterized in that, described report condition is the combination in any of the following:
Statistical parameter value departs from preset target value and/or reverts to described preset target value;
Statistical parameter value is crossed over preset target value;
Statistical parameter value enters and/or withdraws from the preset target value interval.
10. according to each described media gateway statistical report method in the claim 1 to 9, it is characterized in that described report condition is used in combination with the report condition that changes based on the time.
11. a media gateway comprises the reporting module that is used for reporting to Media Gateway Controller statistical parameter value or incident, it is characterized in that, also comprises:
Judge module, be used for when statistical parameter value changes, judge whether current statistical parameter value satisfies report condition, if then indicate described reporting module to report current statistical parameter value or the incident corresponding with the report condition that is satisfied to described Media Gateway Controller.
12. media gateway according to claim 11 is characterized in that, also comprises:
Receiver module is used to receive the event argument from described Media Gateway Controller, obtains described report condition from this event argument or its subparameter.
13., it is characterized in that described report condition comprises one of following or its combination in any according to claim 11 or 12 described media gateway:
Statistical parameter value departs from preset target value and/or reverts to described preset target value;
Statistical parameter value is crossed over preset target value;
Statistical parameter value enters and/or withdraws from the preset target value interval.
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| WO2011097821A1 (en) * | 2010-02-12 | 2011-08-18 | 华为技术有限公司 | Method, apparatus and system for media data replay statistics |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2011097821A1 (en) * | 2010-02-12 | 2011-08-18 | 华为技术有限公司 | Method, apparatus and system for media data replay statistics |
| CN102725985A (en) * | 2010-02-12 | 2012-10-10 | 华为技术有限公司 | Method, apparatus and system for media data replay statistics |
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Open date: 20090527 |