KR20060020792A - Internet phone service quality statistics offer method and system thereof - Google Patents

Abstract

OBJECTIVE AND EFFECTS OF THE INVENTION: The present invention relates to a method and system for providing statistics on Internet telephony service quality. The present invention relates to a subscriber's telephone state and history collected in a soft switch (also called a "Call Control Server"). The log data is analyzed to provide the results of call analysis, quality analysis, and status analysis on the voice spoken by the subscriber.

⊙ Composition of the Invention: The present invention provides a method for providing statistics of Internet telephony quality of service by initiating a call connection with a called party at a soft switch by a call connection request of an outgoing subscriber; Terminating the call connection after the calling subscriber and the called subscriber; Receiving and storing call log information related to a call from a gateway of the calling party and the called party at the soft switch after the call connection ends; Receiving and analyzing the call log information from the soft switch in a system for providing an internet telephony service quality statistics to perform call analysis, voice quality analysis, and state analysis on the voice spoken by the subscriber; And providing the analyzed result through a web screen.

Description

Method and system for providing internet phone service quality statistics {INTERNET PHONE SERVICE QUALITY STATISTICS OFFER METHOD AND SYSTEM THEREOF}

1 is a block diagram of an Internet telephony service illustrating a call connection process between an Internet telephone subscriber and a PSTN telephone subscriber in a typical Internet network.

2 is a block diagram of an interworking system of the Internet telephone service quality statistics providing system according to the present invention

3 is a detailed functional block diagram of a system for providing Internet telephone service quality statistics according to the present invention;

4 to 10 is a web screen diagram of a system for providing Internet telephone service quality statistics according to the present invention;

  4 is a web screen showing an initial access screen;

  5 is a web screen showing a call statistics screen for each subscriber,

  6 is a web screen showing a quality statistics screen for each subscriber.

  7 is a web screen showing a status statistics screen for each subscriber,

  8 is a web screen showing a call statistics screen for each HFC,

  9 is a web screen showing a quality statistics screen for each HFC,

  10 is a web screen showing a status statistics screen for each HFC.

<< Explanation of symbols for main part of drawing >>

10: Internet phone subscriber

20: Residential Gateway of Internet Telephone Subscriber (RGW)

30 Trunk Gateway (TGW)

40: exchanger

50: PSTN telephone subscriber

60: soft switch

100: Internet telephone service quality statistics providing system

110: linkage and DB server

112: Linkage and Analysis / Storage Module

114: Database

120: statistical analysis processing server

122: call / quality / statistics module

124: web screen module

200: subscriber information database (DB)

300: Cable Modem Termination System (CMTS) Network Management System

310: CMTS network management database (DB)

400: subscriber

500: system operator

The present invention relates to a method and system for providing Internet telephone quality of service statistics. In particular, the present invention analyzes log data on subscriber phone status and history collected on a soft switch (also called a 'call control server'). Practically, the present invention relates to a method and system for providing Internet telephony service quality statistics that provide call analysis, quality analysis, and status analysis results for a voice spoken by a subscriber.

Although the demand for user's service quality is diversified with the increase of Internet service users all over the world, due to the explosive increase of traffic and demand of Internet service due to the rapid quantitative expansion of Internet service users, Many problems are emerging. In particular, as users' desire for Internet service quality is diversified, complaints are heightening such as internet access time, data transmission speed, and stable provision of internet service.

In order to solve this problem, a method of measuring Internet service quality from a user's point of view and a method of measuring performance of Internet network equipment from a network operator's point of view has been proposed.

The above method of measuring the quality of the Internet service from the user's point of view is how well connected to the Internet when using the Internet service, how quickly can be provided when the Internet service is provided, and the Internet service is not disconnected. Focusing on how stable it can be, the Internet service quality is measured based on items such as 'Internet access success', 'transmission speed' and 'disruption'. However, this method has a problem in that it is not possible to determine the cause when the measured value of the corresponding measurement item is poor. For example, if the transmission speed is poor, the reason may be that an error occurs in various devices that provide Internet services, and the transmission speed is poor, or is the bottleneck caused by an increase in traffic on the Internet line, or the transmission speed is poor. Due to the small capacity of the buffer to temporarily store packets in ports that accept Internet lines, it was not possible to determine the cause of poor transmission speeds.

In addition, the method of measuring the performance of the Internet network equipment from the service operator's point of view has the advantage of centrally monitoring the performance of the Internet service network and identifying the cause of each device when an alarm occurs or quality deterioration. There was a problem that the quality of the Internet service users could not measure.

In addition, in the conventional Internet telephony service network, there is no system for internet phone subscribers to observe their telephone history and voice quality values. For the operator who operates the service, comprehensive quality statistics on voice quality and data quality are provided. And there was no system that provided a history of failures.

Therefore, in the related art, comprehensive monitoring and analysis of voice quality and data network quality are urgently needed to improve voice quality and service quality in the Internet network.

 Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to analyze the log data on the subscriber's telephone status and history collected by the soft switch, and call analysis and quality analysis on the voices of the subscribers. In addition, the present invention provides a method and system for providing an internet telephony service quality statistics for providing a status analysis result.

In addition, another object of the present invention is to provide subscribers who are provided with Internet telephony service using coaxial cable with their own telephone history and voice quality values, and to operators who manage the service, comprehensive quality statistics on voice quality and data quality. And a method and system for providing an internet telephony service quality statistics providing a failure history.

In addition, another object of the present invention is that the operator who manages the system can determine the overall situation of the Internet telephone network through the Internet web screen {for example, HFC unit, CMTS (Cable Modem Termination System) unit, TGW (Trunk GateWay) unit Call statistics, quality statistics, and status statistics in the RGW (Residential GateWay) unit, subscriber unit, etc., and Internet telephony service that can also check the time-phase statistics in the hybrid fiber coaxial network and CMTS network The present invention provides a method and system for providing quality statistics.

In addition, another object of the present invention is to enable the system operator to monitor the region where the voice quality is poor, to provide the Internet telephone service quality statistics implemented to provide better quality to the service subscribers by detecting the voice quality in advance A method and a system thereof are provided.

In order to achieve the above object, the Internet telephone service quality statistics providing method according to the present invention,

Initiating a call connection with the called party at the soft switch by a call connection request of the calling party;

Terminating the call connection after the calling subscriber and the called subscriber;

Receiving and storing call log information related to a call from a gateway of the calling party and the called party at the soft switch after the call connection ends;

Receiving and analyzing the call log information from the soft switch in a system for providing an internet telephony service quality statistics to perform call analysis, voice quality analysis, and state analysis on the voice spoken by the subscriber; And

And providing the analyzed result through a web screen.

The web screen may include: a subscriber mode providing information related to the subscriber's telephone history and quality; And a system operator mode that provides information on quality related information and status of a cable modem termination device (CMTS), a subscriber station (RGW), and a trunk gateway (TGW).

The subscriber mode may include a web screen that provides call statistics, quality statistics, and status statistics of the subscriber, respectively.

At this time, the call statistics, quality statistics, status statistics are characterized in that each provided by daily, monthly, period, condition.

In addition, the system operator mode is: Web that provides call statistics, quality statistics, and status statistics on a hybrid fiber coaxial (HFC) / cablemodem termination system (CMTS) / residential gateway (RGW) / trunk gateway (TGW) / subscriber unit, respectively. It is characterized by having a screen.

At this time, the call statistics, quality statistics, status statistics are characterized in that each provided by daily, monthly, period, time zone.

The Internet telephone service quality statistics providing system is characterized by receiving additional information of the subscriber from a subscriber information database (DB).

The subscriber information includes: a subscriber customer number, a telephone number, a corresponding HFC name of a subscriber, a corresponding CMTS name of a subscriber, and RGW information of a subscriber.

The Internet telephone service quality statistics providing system is characterized by receiving data quality statistics from the CMTS database management database (DB).

The Internet telephone service quality statistics providing system transmits data from the soft switch, the subscriber information DB, and the CMTS network management DB using a file transfer protocol (FTP).

Internet telephone service quality statistics providing system according to the present invention for achieving the above object,

It includes a soft switch that stores the calllog (Calllog) information of the call from the beginning to the end of the call connection between the calling party and the called party,

The call log information is received and analyzed from the soft switch to provide subscribers with their own telephone history and quality information through a web screen, and the system operator with information related to quality information and status of a cable modem end device (CMTS). It is characterized by providing.

It further comprises a subscriber information database (DB) for storing the information of the subscriber, characterized in that receiving the information of the subscriber from the subscriber information database (DB).

The Internet telephone service quality statistics providing system includes a CMTS network management database (DB) for storing data quality statistics information; And a CMTS network management system for storing data quality statistical information obtained by analyzing and analyzing data quality for each cable modem end device (CMTS) in the CMTS network management DB. And receiving the data quality statistical information.

An interworking and database server for collecting, analyzing, and storing data from the soft switch, the subscriber information DB, and the CMTS network management DB; And analyzing and storing call statistics, voice quality measurement, data quality measurement, failure, and status for each subscriber by receiving data from the interworking and database (DB) server, and providing the subscriber with his / her telephone history and quality through the web screen. It provides a related information, and the system operator comprises a statistical analysis processing server for providing information on the quality-related information and status of the cable modem end device.

The interworking and database (DB) server includes: an interlocking and analyzing / storing module for collecting, analyzing, and storing data from the soft switch, the subscriber information DB, and the CMTS network management DB; And a database for receiving and storing data from the linkage and analysis / storage module.

The statistical analysis processing server: receives data from the interworking and database (DB) server and analyzes call statistics, voice quality measurement, data quality measurement, failure and status for each subscriber, and analyzes the analyzed result in the database (DB) A call / quality / status statistics module for storing; And receiving the analyzed data from the call / quality / statistics statistics module to provide subscribers with their own telephone history and quality-related information through a web screen, and to system operators, information related to quality-related information and status of the cable modem termination device. It characterized in that it comprises a; web screen module to provide.

The soft switch; When the calling subscriber attempts to connect the call to the called subscriber and terminates the call after receiving the call, receiving and storing all calllog information of the call from the calling subscriber gateway and the called subscriber gateway. It features.

Data transmission from the soft switch, the subscriber information DB, and the CMTS network management DB may be performed using a file transfer protocol (FTP).

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of an Internet phone service showing a call connection process between an Internet phone subscriber and a PSTN phone subscriber in a typical Internet network.

Referring to FIG. 1, the process from the beginning of the call connection to the termination of the call connection between the Internet phone subscriber 10 subscribed to the Internet phone service in the Internet network and the PSTN phone subscriber 50 subscribed to the PSTN phone service will be described as follows. .

First, when the Internet telephone subscriber 10 requests a call connection to the soft switch 60 through the RGW (Residential GateWay) 20 to start a call connection (step ①), the soft switch 60 is a trunk The call is connected to the PSTN telephone subscriber 50 through a gateway (TGW: Trunk GateWay) 30 and an exchange 40 (steps 2 to 3).

Then, when the call between the Internet telephone subscriber 10 and the PSTN telephone subscriber 20 is completed and the call is terminated at the Internet telephone subscriber 10 (step ④), the call termination signal is transmitted to the soft switch 60. Is reported, the soft switch 60 terminates the call of the PSTN telephone subscriber 50 (step ⑤).

Next, the soft switch 60 receives and stores a calllog for the generated call from the RGW 20 and the trunk gateway (TGW) 30 to when the call starts and ends (step). ⑥).

Here, the RGW 20 is a terminal installed in the Internet telephone subscriber 10 to provide an Internet telephone service. When the Internet telephone subscriber 10 connects a general telephone to this equipment, the Internet Provide the phone.

The trunk gateway (TGW) 30 is a device that converts IP into PSTN voice when an Internet telephone subscriber wants to make a telephone call with a subscriber in a general telephone network (PSTN).

For reference, a series of processes in which a subscriber makes and ends a call is called a call. Each time one call is generated, the gateway equipment (the RGW 20 and the trunk gateway 30) leaves a log related to call, quality, failure, and error status. This log is called a calllog. It is called.

On the other hand, the soft switch 60 controls the RGW 20 and the trunk gateway 30, which is a gateway device, and receives and stores calllog information from the RGW 20 and the trunk gateway 30. do. The soft switch 60 will be described in more detail later with reference to FIGS. 2 and 3.

2 is a block diagram of an interworking system of the system 100 for providing internet statistics of telephone service quality according to the present invention.

As shown in FIG. 2, the interworking system of the internet phone service quality statistics providing system 100 is connected to the internet phone service quality statistics providing system 100 and the internet phone service quality statistics providing system 100. And a CMTS network management system 300 having a soft switch 60, a subscriber information database (DB) 200, and a DB 310 for a coaxial cable subscriber termination device (CMTS) network management. Subscriber 400 and system operator 500 are shown.

Here, the soft switch 60 is the trunk of the RGW 20 and the PSTN telephone subscriber side when the Internet telephone subscriber 10 attempts to connect the call to the PSTN telephone subscriber 50 and terminates the call after the call is connected. Receives and stores all calllog information on the call from the gateway 30. The soft switch 60 transmits the stored calllog information to the Internet telephone service quality statistics providing system 100 using a file transfer protocol (FTP) scheme.

In addition, the Internet telephone service quality statistics providing system 100 analyzes call-related calllog information received from the soft switch 60 to analyze the call on the voice that the subscriber 400 actually calls. Provides quality analysis and status analysis results. In addition, the Internet telephone service quality statistics providing system 100 provides the subscriber 400 with his / her telephone history and quality related information through a web screen, and the system operator 500 provides a cable modem termination device (CMTS) and a TGW. It provides information on the quality and status of the RGW.

The Internet telephone service quality statistics providing system 100 lacks information about the subscriber 400 in the calllog information received from the soft switch 60, so that the corresponding HFC of the subscriber 400, In order to know the CMTS and RGW types, the subscriber information database (DB) 200 is provided with additional information about the subscriber 400. In addition, the Internet telephone service quality statistics providing system 100 receives data quality statistics from the CMTS management system 300 that monitors the system load rate and data usage rate of the CMTS equipment by using FTP.

The subscriber information database (DB) 200 stores information about the subscriber 400. The subscriber information database (DB) 200 transmits the stored information of the subscriber 400 to the Internet telephone service quality statistics providing system 100 by FTP. At this time, the subscriber information transmitted from the subscriber information database (DB) 200 to the Internet telephone service quality statistics providing system 100 has a structure as shown in Table 1.

 Subscriber Information List  Subscriber account number  Phone number  Your HFC name  Subscriber's corresponding CMTS name  Your RGW Information

The CMTS network management system 300 manages a cable modem termination equipment (CMTS) that provides an Internet service to a cable modem user in a hybrid fiber coaxial network (HFC network) using an optical cable and a coaxial cable together. In this system, data quality statistical information for analyzing and statistic data quality for each device is stored in the CMTS network management DB (310), and the stored data quality statistical information using FTP to provide the Internet telephone service quality statistics system ( 100).

The CMTS network management DB 310 stores data quality statistical information analyzed and statistically analyzed by the CMTS network management system 300.

3 is a detailed functional block diagram of the system 100 for providing Internet telephone service quality statistics according to the present invention.

The Internet telephone service quality statistics providing system 100, as shown in Figure 3, the interlocking and database (DB) server 110 having a linking and analysis / storage module 112 and a database (DB) 114 And a statistical analysis processing server 120 having a call / quality / status statistics module 122 and a web screen module 124.

Here, the interworking and analysis / storage module 112 of the interworking and database (DB) server 110 is the data from the soft switch 60, the subscriber information DB (200) and the CMTS network management DB (310) It is collected and analyzed and stored in the database (DB) 114.

The database (DB) 114 receives and stores data from the interworking and analysis / storage module 112 and stores the stored data in the call / quality / status statistics module 122 of the statistical analysis processing server 120. And the web screen module 124, and receives and stores the result processed by the call / quality / statistics module 122.

The call / quality / status statistics module 122 of the statistical analysis processing server 120 receives data from the database (DB) 114 of the interworking and database (DB) server 110 to call call and voice data for each subscriber. Analyze the quality measurement, data quality measurement, failure and condition, and store the analyzed result in the database (DB) 114 of the linkage and database (DB) server 110 and analyzed in the web screen module 103. Send the result.

The web screen module 124 receives the data analyzed from the call / quality / status statistics module 122 and provides the subscriber 400 with his / her phone history and quality related information through a web screen, and the system operator. 500 provides information regarding quality and status of the cable modem termination device.

The Internet telephone service quality statistics providing system 100 first performs a process of collecting a calllog from the RGW 20 and the trunk gateway 30 until a general call starts and ends. . Then, the analysis data is generated using the collected calllogs. First, a process of creating the calllogs will be described with reference to FIGS. 1 to 3.

The gateways of both sides (the Internet telephone subscriber 10 is the RGW 20 and the PSTN telephone subscriber 50 are the trunk gateways) while a call is made between the Internet telephone subscriber 10 and the PSTN telephone subscriber 50. 30)} collects statistics of the generated voice packet, and when the call is completed, the Internet telephone subscriber 10 is connected to the RGW 20, and the PSTN telephone subscriber 50 is related to quality at the trunk gateway 30. The indicator is reported to the soft switch 60. At this time, the error status and call related information are stored by translating the error and number in the soft switch 60.

In this way, the soft switch 60 collects quality statistics from error gateways and call-related statistics and gateways (RGW 20 and trunk gateway 30) on both sides to generate a calllog. At this time, the rules for generating a calllog are shown in Table 2.

type Field name Field contents Subscriber Information  Name  Subscriber unique ID    Issue related information  Callsubid  Caller's call ID  Pairsubid  Call ID of the other party  Cdrtype  Type of arc  TxCallingNum  Caller's phone number  RxCalledNum  The other party's phone number  Duration  Call time  DisconnTime  End time  Fault and error code  Disconnreason  Cause of termination (normal or abnormal)  ErrorCode  Error code during call  FailCode  Error code during call   Quality related  Codec  Codec information  PacketsSent  Packets Transmitted ()  PacketsRcvd  Packets Received  PacketsLost  Packets lost ()  Jitter  Generation Jitter (ms)  Latency  Occurrence delay (ms)

The calllog stored in the soft switch 60 transmits the calllog data at regular intervals (for example, 12 hour periods) to the Internet telephone service quality statistics providing system 100 through FTP interworking. do.

The soft switch 60 stores calllog information on all calls generated from the start of call connection to the end of the call. In this case, the format of the calllog information is shown in Table 2 above, and reports statistics on the quality of the voice call, the error type of the voice call, and the failure state from the information of the calllog.

1. Quality statistics of voice calls

The quality statistics report the following items.

: Receive side loss rate = [number of packets lost / (number of packets lost + number of packets received * 100) [%]

: Jitter = [occurrence jitter] [ms] (correct)

: Delay = [occurrence delay] [ms] (correction)

: R value of G.107 = G.107. Loss rate and delay variables reflect the loss rate and delay at the receiver.

Here, the R value of G.107 indicates the quality of telephone by reporting the quality measurement of the telephone by factors of loss and delay and various factors that can occur during a call in the standardization organization (ETSI).

: Silent call = When voice packet [PacketsSent, PacketsRcvd] does not occur even if talk time [Duration] is over 0 seconds

2. Call statistics of voice calls

In call statistics, the following items are reported.

: All attempts = all calls

: Completed call = Call for which no abnormal condition occurred (Call with Error Code 16)

: Incomplete call = Call with abnormal status (call with error code not 16)

: Successful call = Call that did not have an abnormal condition during the call

: Call failed call = Call that has an abnormal condition during the call

3. Error Statistics of Voice Calls

: It applied to the case of error occurring during call call by reflecting QTU of ITU as it is, where Q.850 of ITU refers to error code by type of call error in PSTN network.

Table 3 below is a table of error codes.

Error Code Number Error Code Name Code content 5  Invalid Trunk Prefix  Trunk Number Invalid 16  Normal_release  Normal shutdown 17  user busy  calling 28  Invalid number Format  Invalid phone number 34  No circuit channel avaliable  Channel not assigned

4. Failure State Statistics of Voice Calls

In accordance with ITU's Q.850, an error code is recorded for each call. Since the same error code is generated continuously and the user is notified of the failure of the terminal, the error status is analyzed and the failure status is reported.

Table 4 below is a scheme for fault codes.

The subscriber who is provided with the Internet telephony service is a cable subscriber using the HFC network, and each subscriber belongs to a specific CMTS, and the data network state of the CMTS is brought about every 5 minutes using SNMP. The Internet telephone service quality statistics providing system 100 reports the data network status of the CMTS used by the subscriber through interworking with the CMTS network management system 300.

Table 5 below shows data quality items.

Data quality  CPU usage of CMTS  Data usage capacity of CMTS

4 to 10 are web screen diagrams of a system for providing Internet telephone service quality statistics according to the present invention.

The Internet telephone service quality statistics providing system 100 provides the subscriber with his / her telephone history and quality related information through a web screen, and provides the system operator with information related to quality information and status of the cable modem end device (CMTS). to provide.

The web screen of the Internet telephone service quality statistics providing system 100 is composed of two modes, a subscriber mode and a system operator mode. At this time, the screen provided to the subscriber provides a statistical screen limited to the quality of the Internet phone provided by the subscriber himself.

First, FIG. 4 is a web screen showing an initial access screen, where a system operator can input a specific ID and password, and a subscriber can enter the subscriber's telephone number and password to access the Internet telephone service quality statistics providing system 100. have.

In FIG. 4, an initial access screen of the system 100 for providing quality statistics of Internet telephony service is displayed as a 'Call Data-based VoIP Quality Monitoring System'.

When the subscriber inputs the subscriber's telephone number and password on the initial access screen of FIG. 4, as shown in FIGS. 5 to 7, the subscriber may enter a call statistics, quality statistics, and status statistics screen.

First, FIG. 5 is a web screen showing a call statistics screen for each subscriber, and the daily statistics, monthly statistics, period statistics, and condition statistics screens can be viewed.

And, Figure 6 is a web screen showing the quality statistics screen for each subscriber, it is possible to see the daily statistics, monthly statistics, period statistics, condition statistics screen respectively.

In addition, FIG. 7 is a web screen showing a status statistics screen for each subscriber, and the daily statistics, monthly statistics, period statistics, and condition statistics screens can be viewed.

Next, when the system operator inputs a specific ID and password on the initial access screen of FIG. 4, as shown in FIGS. 8 to 10, call statistics for each hybrid fiber coaxial (HFC), quality statistics for each HFC, and for each HFC. You can enter the status statistics screen.

The system operator should observe the overall situation of the Internet telephone network, and is composed of HFC units, CMTS units, TGW units, RGW units, and subscriber units.

8 is a web screen showing a call statistics screen for each HFC, and daily statistics, monthly statistics, period statistics, and time period statistics screens can be viewed.

9 is a web screen showing the quality statistics screen for each HFC, and daily statistics, monthly statistics, period statistics, and time period statistics screens can be viewed.

Finally, FIG. 10 is a web screen showing a status statistics screen for each HFC, and the daily statistics, monthly statistics, period statistics, and time period statistics screens can be viewed respectively.

As such, the Internet telephone service quality statistics providing system 100 of the present invention is a system that provides both voice quality and data quality statistics, and is associated with a soft switch, a subscriber management database, and a network management database for a coaxial cable subscriber end device. It works.

And, through the quality statistics data provided by the Internet telephone service quality statistics providing system 100 can be utilized as quality improvement data, it can also be used as a customer's complaint response system. In addition, when applying a service level agreement (SLA) for future Internet telephony services, the quality of service standards can be presented.

It can also provide subscribers with their voice quality statistics and telephone usage history, and provide service operators with voice quality statistics and data quality statistics by monitoring the service quality of cable modem terminations to ensure that they meet the appropriate standards for SLAs. Can present

In addition, the present invention does not need to install additional equipment or software on the subscriber's terminal subscribed to the Internet telephone service, and does not have to make any changes to monitor the quality of the Internet quality.

Preferred embodiments of the present invention as described above are disclosed for the purpose of illustration, and those skilled in the art will be able to make various modifications, changes, additions, etc. within the spirit and scope of the present invention, such modifications and changes are defined in the claims It should be seen as belonging.

As described above, according to the method and system for providing statistics on the Internet telephony service quality according to the present invention, the log data about the subscriber's telephone state and history collected by the soft switch is analyzed and a call is made to the voice of the subscriber. Analysis, quality analysis, status analysis can be provided.

In addition, subscribers who receive Internet telephony service using coaxial cable will be provided with their own call history and voice quality values, and operators who manage the service will be able to provide comprehensive quality statistics and fault histories for voice and data quality. Can be.

In addition, the PSTN subscriber can check the call analysis, quality analysis, and status analysis of the voice spoken by the subscriber through the Internet web screen.

In addition, the operator who manages the system can monitor the overall situation of the Internet telephone network through the Internet web screen {for example, HFC unit, cable mode termination system (CMTS) unit, trunk gateway unit (TGW) unit, and residual gateway unit (RGW) unit. Call statistics, quality statistics, and status statistics can be observed in terms of subscribers, etc., and timephased statistics can also be checked in HFC and CMTS units.

In addition, by allowing the system operator to monitor areas with poor voice quality, it is possible to detect the voice quality in advance and provide better quality to service subscribers.

Claims (19)

Initiating a call connection with the called party at the soft switch by a call connection request of the calling party; Terminating the call connection after the calling subscriber and the called subscriber; Receiving and storing call log information related to a call from a gateway of the calling party and the called party at the soft switch after the call connection ends; Receiving and analyzing the call log information from the soft switch in a system for providing an internet telephony service quality statistics to perform call analysis, voice quality analysis, and state analysis on the voice spoken by the subscriber; And And providing the analyzed result through a web screen. The method of claim 1, wherein the web screen is: A subscriber mode providing the subscriber's telephone history and quality related information; And A method for providing quality statistics of Internet telephony service, comprising: a system operator mode providing quality related information and status of a cable modem end device (CMTS). The method of claim 2, wherein the subscriber mode is: And a web screen for providing the call statistics, the quality statistics, and the status statistics of the subscriber, respectively. The method of claim 3, wherein And providing the call statistics, the quality statistics, and the state statistics for each of daily, monthly, and period periods. 3. The system operator mode of claim 2, wherein the system operator mode is: Internet telephone service quality statistics providing method characterized by having a web screen that provides call statistics, quality statistics, and status statistics for each HFC (Hybrid Fiber Coaxial) / CMTS / RGW / TGW / subscriber The method of claim 5, wherein And providing the call statistics, the quality statistics, and the state statistics by daily, monthly, period, and time periods, respectively. The method of claim 1, The Internet telephone service quality statistics providing system is provided with additional information of the subscriber from the subscriber information database (DB). 8. The method of claim 7, wherein the subscriber information is: A method for providing Internet telephone service quality statistics, comprising subscriber number, telephone number, subscriber's corresponding HFC name, subscriber's corresponding CMTS name, and subscriber's RGW information. The method of claim 7, wherein The Internet telephone service quality statistics providing system is provided with data quality statistics information from the CMTS network management database (DB). It includes a soft switch that stores the calllog (Calllog) information of the call from the beginning to end of the call connection between the calling party and the called party, The call log information is received and analyzed from the soft switch to provide subscribers with their own telephone history and quality information through a web screen, and the system operator with information related to quality information and status of a cable modem end device (CMTS). Internet telephone service quality statistics providing system, characterized in that provided. The method of claim 10, Further comprising a subscriber information database (DB) for storing the information of the subscriber, System for providing quality statistics of Internet telephony, characterized in that receiving information of the subscriber from the subscriber information database (DB). The method of claim 10, wherein the subscriber information is: A system for providing Internet telephone service quality statistics, comprising subscriber number, telephone number, subscriber's corresponding HFC name, subscriber's corresponding CMTS name, and subscriber's RGW information. The method of claim 11, A CMTS network management database (DB) for storing data quality statistical information; A CMTS network management system for storing data quality statistical information obtained by analyzing and analyzing data quality for each cable modem end device (CMTS) in the CMTS network management DB; And providing the data quality statistical information from the CMTS network management database (DB). The method of claim 13, An interworking and database server for collecting, analyzing, and storing data from the soft switch, the subscriber information DB, and the CMTS network management DB; And Receives data from the interworking and database (DB) server, analyzes and stores call statistics, voice quality measurement, data quality measurement, failure and status for each subscriber, and provides the subscriber with his / her telephone history and quality related information through the web screen. And a statistical analysis processing server for providing information and providing the system operator with information related to quality and status of a cable modem end device. 15. The system of claim 14, wherein the interworking and database server is: An interworking and analysis / storage module for collecting, analyzing, and storing data from the soft switch, the subscriber information DB, and the CMTS network management DB; And And a database for receiving and storing data from the linkage and analysis / storage module. 16. The method of claim 15, wherein the statistical analysis processing server is: Receiving data from the database (DB) of the interworking and database (DB) server to analyze the call statistics, voice quality measurement, data quality measurement, failure and status for each subscriber, and stores the analyzed results in the database (DB) Call / quality / status statistics module; And Receives data analyzed from the call / quality / statistics module to provide subscribers with their own telephone history and quality information through a web screen, and provides information about quality information and status of a cable modem end device to a system operator. Web screen module providing a; Internet telephone service quality statistics providing system comprising a. The method of claim 10, wherein the soft switch; If the calling subscriber tries to connect to the called subscriber and terminates the call after the call is connected, all the calllog information of the call is received and stored from the calling subscriber gateway and the called gateway. A system for providing quality statistics of Internet telephone service. The method of claim 14, wherein the soft switch is: And providing call analysis, quality analysis, and status analysis for the voice of the subscriber. The method according to any one of claims 10 to 15, And transmitting data from the soft switch, the subscriber information DB, and the CMTS network management DB using a file transfer protocol (FTP).

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