WO2010080930A2 - PROCÉDÉS, SYSTÈMES ET SUPPORTS LISIBLES PAR ORDINATEUR POUR L'ÉVALUATION ET LE CONTRÔLE À DISTANCE D'ÉQUIPEMENT TERMINAL D'ABONNÉ VoIP - Google Patents

PROCÉDÉS, SYSTÈMES ET SUPPORTS LISIBLES PAR ORDINATEUR POUR L'ÉVALUATION ET LE CONTRÔLE À DISTANCE D'ÉQUIPEMENT TERMINAL D'ABONNÉ VoIP Download PDF

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Publication number
WO2010080930A2
WO2010080930A2 PCT/US2010/020394 US2010020394W WO2010080930A2 WO 2010080930 A2 WO2010080930 A2 WO 2010080930A2 US 2010020394 W US2010020394 W US 2010020394W WO 2010080930 A2 WO2010080930 A2 WO 2010080930A2
Authority
WO
WIPO (PCT)
Prior art keywords
terminal equipment
subscriber terminal
voip
voip subscriber
remote control
Prior art date
Application number
PCT/US2010/020394
Other languages
English (en)
Other versions
WO2010080930A3 (fr
Inventor
Richard L. Adam
Rex Hester
Richard Van Schaik
Carl Mottayaw
Original Assignee
Ixia Communications
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US12/395,657 external-priority patent/US8081578B2/en
Priority claimed from US12/406,912 external-priority patent/US9178768B2/en
Priority claimed from US12/475,451 external-priority patent/US8363557B2/en
Application filed by Ixia Communications filed Critical Ixia Communications
Publication of WO2010080930A2 publication Critical patent/WO2010080930A2/fr
Publication of WO2010080930A3 publication Critical patent/WO2010080930A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/32—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges
    • H04M3/323—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges for the arrangements providing the connection (test connection, test call, call simulation)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/50—Testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
    • H04M7/0081—Network operation, administration, maintenance, or provisioning
    • H04M7/0084—Network monitoring; Error detection; Error recovery; Network testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2236—Quality of speech transmission monitoring

Definitions

  • the subject matter described herein relates to subscriber terminal equipment. More specifically, the subject matter relates to methods, systems, and computer readable media for remotely evaluating and controlling VoIP subscriber terminal equipment.
  • VoIP voice over Internet protocol
  • IP Internet protocol
  • VoIP subscribers interface with the VoIP network using VoIP subscriber terminal equipment.
  • VoIP subscriber terminal equipment may include cable modems, digital subscriber line (DSL) modems, set-top boxes, multimedia terminal adapters (MTAs), analog telephony adapters (ATAs), wireless or wireline phones incorporating ATAs or MTAs, or any like component (e.g., ADSL modems, SDSL modems, optical modems, ATM modems, wireless modems, etc.) including other terminal adapters.
  • DSL digital subscriber line
  • MTAs multimedia terminal adapters
  • ATAs analog telephony adapters
  • wireless or wireline phones incorporating ATAs or MTAs, or any like component (e.g., ADSL modems, SDSL modems, optical modems, ATM modems, wireless modems, etc.) including other terminal adapters.
  • ADSL modems e.g., ADSL modems, SDSL modems, optical modems, ATM modems, wireless
  • the ability to remotely diagnose and correct problems associated with subscriber terminal equipment has been limited. For example, when a subscriber experiences a problem with his or her subscriber terminal equipment, the subscriber is required to identify the problem and to call (using an alternate device) the VoIP service provider. The VoIP service provider may then instruct the subscriber to manually reset the subscriber terminal equipment in order to clear the problem. In extreme cases, the VoIP service provider may be required to send a technician to the location of the subscriber terminal equipment to diagnose a problem. Requiring intervention by a technician and relying on the subscriber to identify problems results in dissatisfaction of VoIP service providers and ultimately, subscriber migration between service providers.
  • a method includes initiating test calls with VoIP subscriber terminal equipment and obtaining test call results. The method further includes analyzing usage information regarding the VoIP subscriber terminal equipment and determining subscriber terminal device usage results. The method also includes remotely querying the VoIP subscriber terminal device and determining subscriber terminal equipment state information.
  • the method further includes determining, based on the subscriber terminal equipment test call results, the subscriber terminal equipment usage results, and the subscriber terminal equipment state information, whether to initiate a remote control action for the VoIP subscriber terminal equipment and in response to determining to initiate a remote control action, initiating the remote control action to effect a change in state of the VoIP subscriber terminal equipment.
  • the subject matter described herein for remotely evaluating and controlling VoIP subscriber terminal equipment may be implemented using a computer readable medium having stored thereon executable instructions that when executed by a computer processor control the computer to performs steps.
  • Exemplary computer readable media suitable for implementing the subject matter described herein includes disk memory devices, chip memory devices, programmable logic devices, and application specific integrated circuits.
  • the computer readable medium may include a memory accessible by a processor.
  • the memory may include instructions executable by the processor for implementing any of the methods for remotely controlling VoIP subscriber terminal equipment described herein.
  • a computer readable medium that implements the subject matter described herein may be located on a single device or computing platform or may be distributed across multiple physical devices and/or computing platforms.
  • Figure 1 is a block diagram of an exemplary system for remotely evaluating and controlling VoIP subscriber terminal equipment according to an embodiment of the subject matter described herein;
  • Figure 2 is flow chart of exemplary steps for remotely evaluating and controlling VoIP subscriber terminal equipment according to an embodiment of the subject matter described herein.
  • FIG. 1 depicts a telecommunications network 100 that includes a remote test and control system 102, a transport network 122, VoIP subscriber terminal equipment 140-145, and a plurality of endpoint devices 146-152.
  • VoIP subscriber terminal equipment includes a broadband modem 140, a subscriber MTA or ATA 142 that interfaces with an analog phone 148, a subscriber MTA or ATA 144 that interfaces with an analog phone 150 and a personal computer 152, and a mobile phone 145 with an integrated MTA or ATA device.
  • Remote test and control system 102 may be used by a communications service provider to generate and analyze test calls intended for testing the connections to VoIP subscriber terminal equipment 140-145 and to evaluate and remotely control VoIP subscriber terminal equipment 140-145 using these test calls results among other information.
  • VoIP subscriber terminal equipment 140-145 may include the ability for a remote test center to implement loopback calls transparently to the end user. These loopback calls are initiated by remote test system 102. Once a call is established, remote test system 102 plays a media file over the established call and records the resulting signal detected over the loopback connection. In one implementation, the quality of the call is evaluated using a perceptional evaluation of speech quality (PESQ) store.
  • PESQ perceptional evaluation of speech quality
  • remote test and control system 102 may be implemented using a computer with one or more processors that are programmed with the applications, methods, and modules described herein for evaluating and controlling VoIP subscriber terminal equipment.
  • remote test and control system 102 is used to test ATAs or MTAs 144, remote test and control system 102 and the methods described herein may also be used to test asynchronous digital subscriber line (ASDL) modems, fiber optic modems, optical network terminals (ONTs), softphones, IP private branch exchanges (IP-PBXs), wireless or wireline phones incorporating an ATA or MTA, VoIP mobile phones, or wireless modems (e.g., WiFi, WiMAX, GSM, etc.)
  • remote test and control system 102 includes a system database 104, a call control application 106, a VoIP subscriber terminal equipment remote controller 132, a caller application 108, and a signaler application 110.
  • Remote test and control system 102 may also be communicatively coupled to a network operator interface 112, a usage information and test call results database 114, a trouble ticket system or operations support system (OSS) 117, and one or more external applications (e.g., a MAP application 115).
  • Network operator interface 112 may include a computing device, such as a personal computer or personal digital assistant, for executing an application (e.g., software application, web browser, etc.) that can be used for communicating with remote test and control system 102.
  • Trouble ticket system 117 may include a computing system that is configured to collect trouble tickets in telecommunications network 100.
  • MAP application 115 may include an application that provides test call data and/or instructions for automated test call generation to system 102.
  • Usage information and test call results database 114 may include any form of database supported by a host computer that is responsible for storing usage information and test call results of subscriber terminal equipment.
  • usage information that is collected and stored in database 114 may include call detail records (CDRs) associated with test calls of voice over Internet protocol (VoIP) subscriber terminal equipment (e.g., multimedia terminal adapters (MTAs) and analog telephony adapters (ATAs)).
  • CDRs call detail records
  • VoIP voice over Internet protocol
  • MTAs multimedia terminal adapters
  • ATAs analog telephony adapters
  • usage information may include IP connection data statistics associated with subscriber terminal equipment including data modems. Subscriber terminal equipment is discussed in greater detail below.
  • a usage information collector application 119 may interface with customer switches or a customer CDR database in transport network 122 and store that information in usage statistics and test call results database 114.
  • Remote test and control system 102 may also include a management application 116 that is capable of sending queries to and control commands to subscriber terminal equipment 140-145.
  • management application 116 may be an SNMP application capable of sending SNMP queries and commands to subscriber terminal equipment 140-145.
  • call control application 106 may be responsible for initiating the test call process.
  • call control application 106 contains a plurality of test lists 124.
  • Each test list may comprise a plurality of subscriber device numbers (each of which includes a bit field that identifies the list(s) to which each subscriber device number is assigned).
  • Each test list may include certain parameters that set forth the frequency (i.e., the call rate) in which its listed subscriber device numbers are test called, the specific start and stop times of periods which the test calls are made, the type of test call(s) to be made, as well as the conditions for a subscriber device number to be added to, deleted from, or remain on a test list.
  • Test lists 124 may be stored in the memory accessible by call control application 106.
  • Call control application 106 may be configured to receive call requests from test lists 124.
  • call control application 106 is configured to receive call requests from VoIP subscriber terminal equipment remote controller 132 which is discussed in greater detail below.
  • Call control application 106 may also be responsible for ensuring that network resources are available for the requested test calls (e.g., ensuring that a daily test call limit is not exceeded).
  • Images of test lists 124 may also exist in system database 104 for backup or reboot purposes.
  • system database 104 stores the test list and subscriber terminal equipment information which may be updated accordingly as changes occur in lists 124.
  • remote test and control system 102 may utilize test lists to conduct test calls.
  • remote test and control system 102 initiates a test call to a subscriber device number via call control application 106.
  • call control application 106 may obtain test call requests, which include the subscriber device numbers from test lists 124.
  • call control application 106 is also configured to apply certain test list parameters, which are associated with each respective test list, to each test call directed to a subscriber device number during the test call initiation process.
  • test parameters for each test list may include the type of test call to generate (e.g., loopback or continuity test), the frequency in which test calls are to be made, the specific start and stop times for test calling, the minimum or maximum number of test calls that can be made during a given time period, and other calling criteria that is unique to a given test list.
  • call control application 106 provides the subscriber device number and test parameters to caller application 108.
  • Caller application 108 is a system component responsible for processing the call instructions and making a test call to a subscriber device number.
  • caller application 108 provides the subscriber device number to signaler application 110, which is the system component that provides the signaling for generating the test call.
  • Signaler application 110 may include a software program or module that interacts with the network in order to direct the test call to the proper subscriber terminal adapter.
  • signaler application 110 communicates with media gateway/media gateway controller (MG/MGC) 118 via a signaling network and/or a TDM or packet voice network.
  • MGW/media gateway controller MMC
  • MG/MGC 118 may be positioned within transport network 122 in an alternate embodiment.
  • MG/MGC 118 may also include a call agent 120, which is responsible for processing call requests and setting up calls between the media gateway component of MG/MGC 118 and remote test and control system 102.
  • a test call traverses transport network 122 and is received by one of subscriber terminal equipment 140- 145.
  • subscriber terminal equipment 140-145 may be configured to "loopback" the voice path so that the test call is returned to remote test and control system 102.
  • the type of loopback procedure performed may depend on the terminal equipment receiving the test call or the test list originating the test call. For example, if the terminal adapter is an MTA, then the test call may comply with a network call signaling (NCS) loopback procedure. Similarly, if the terminal adapter is an ATA, then the test call may comply with an RTP loopback procedure. During the loopback procedure, the test call is received by caller application 108.
  • NCS network call signaling
  • VoIP subscriber terminal equipment remote controller 132 may also initiate test calls to the subscriber terminal equipment.
  • VoIP subscriber terminal equipment remote controller 132 may inform call control application 106 to start the test call process.
  • VoIP subscriber terminal equipment remote controller 132 may also supply information about the subscriber terminal equipment to a test list which may be used by the call control application 106 to make test calls.
  • VoIP subscriber terminal equipment remote controller 132 may interact directly with caller application 108 to make test calls.
  • VoIP subscriber terminal equipment remote controller 132 analyzes and evaluates subscriber terminal equipment for problems (e.g., an abnormal state, connection problems, etc.) using test calls and test call results, equipment usage information, and state information from queries of the subscriber terminal equipment.
  • VoIP subscriber terminal equipment remote controller 132 may determine, using the subscriber terminal equipment test call results, the subscriber terminal equipment usage results, and the subscriber terminal equipment state information, a problem or abnormal state exists and may determine to initiate a remote control action for the subscriber terminal equipment for fixing or alleviating the problem.
  • the remote control action may include sending a simple network management protocol (SNMP) reset command or request to the subscriber terminal equipment.
  • SNMP simple network management protocol
  • VoIP subscriber terminal equipment remote controller 132 and or a network operator via network operator interface 112 may be notified at which time appropriate actions may be taken.
  • VoIP subscriber terminal equipment remote controller 132 may notify trouble ticket system or OSS 117 which may perform additional tests or actions before notifying a network operator.
  • a network operator may call an affected subscriber (on a secondary number if the primary number is affected by the subscriber's service problems) and inform the subscriber to perform appropriate actions manually or schedule a service technician to perform these actions for the subscriber. This remote control process is discussed in greater detail below.
  • FIG. 2 depicts a flow chart of an exemplary method 200 for remotely evaluating and controlling subscriber terminal equipment according to an embodiment of the present subject matter.
  • Exemplary method 200 starts at block 202.
  • a determination is made as to whether VoIP subscriber terminal equipment is operating normally. In one embodiment, this determination includes initiating test calls with VoIP subscriber terminal equipment and obtaining test call results from database 114. Determining whether VoIP subscriber terminal equipment is operating normally may also include analyzing usage information regarding the VoIP subscriber terminal equipment and determining subscriber terminal equipment usage results.
  • the usage information includes call detail records (CDRs) for VoIP subscriber terminal equipment which may be obtained from database 114.
  • the usage information includes IP connection data statistics which may be obtained from database 114.
  • CDRs call detail records
  • Determining whether VoIP subscriber terminal equipment is operating normally may also include remotely querying the VoIP subscriber terminal equipment and determining subscriber terminal equipment state information.
  • VoIP subscriber terminal equipment remote controller 132 may direct management application 116 to send SNMP queries to the VoIP subscriber terminal equipment for determining state information.
  • VoIP subscriber terminal equipment remote controller 132 may receive responses to the queries and use these responses or lack thereof to determine if the VoIP subscriber terminal equipment is experiencing problems (e.g., if the device is unavailable or in an abnormal state). If it is determined that the VoIP subscriber terminal equipment is operating normally, control proceeds to blocks 205 and 202 where monitoring is continued. In block 206, it is determined whether the subscriber terminal equipment is remotely controllable.
  • Determining whether the subscriber equipment is remotely controllable may include determining whether the subscriber terminal equipment responds to SMNP commands. If the subscriber terminal equipment is determined not to be remotely controllable, e.g., due to a power outage, control proceeds to block 210 where a manual control action is performed.
  • a manual control action may include having a technician contact the subscriber to proactively (i.e., before subscriber contacts the VoIP service provider about the problem) resolve problems with the subscriber terminal equipment.
  • control proceeds to block 212 where a remote control action is performed.
  • the remote control action may include sending an SMNP command to remotely reset, but not power down, the device. Once the remote control action is performed, control returns to block 202 where monitoring to determine whether the subscriber terminal equipment is acting normally is continued.
  • the procedure for monitoring and testing subscriber terminal equipment after a remote reset may vary from the monitoring of subscriber terminal equipment before a remote reset.
  • an SMNP query may be initiated to the subscriber terminal equipment to determine whether the equipment is in a normal or abnormal state. If the device remains in an abnormal state, system 102 may notify the VoIP service provider and a manual control action may be performed, e.g., by contacting the subscriber via an alternate number and/or dispatching a technician. If the SMNP query indicates that the subscriber terminal equipment is in a normal state, a test call may be initiated to determine whether the equipment is operating normally. If the test call results indicate normal operation, remote monitoring may continue as illustrated by blocks 202-212 in Figure 2. If the test call results indicate that the subscriber terminal equipment is not operating normally, system 102 may notify the VoIP service provider and a manual control action may be performed.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

L'invention concerne des procédés, systèmes et supports lisibles par ordinateur pour l'évaluation et le contrôle à distance d'équipement terminal d'abonné VoIP par le biais d'appels d'essai, de demandes d'état et de statistiques d'utilisation. Selon une variante, un procédé consiste à établir des appels d'essai pour entrer en relation avec un équipement terminal d'abonné VoIP et à déterminer des résultats d'appel d'essai; à analyser l'information d'utilisation relative à cet équipement et à déterminer des résultats d'utilisation de dispositif terminal d'abonné; à s'enquérir à distance de l'état de dispositif terminal d'abonné VoIP et à déterminer une information d'état d'équipement terminal d'abonné; à déterminer, sur la base des résultats d'appel d'essai d'équipement terminal d'abonné et de l'information d'état d'équipement terminal d'abonné s'il faut lancer une action de contrôle distance pour l'équipement terminal d'abonné VoIP et, dans l'affirmative, à lancer cette action pour modifier l'état de l'équipement en question.
PCT/US2010/020394 2009-01-07 2010-01-07 PROCÉDÉS, SYSTÈMES ET SUPPORTS LISIBLES PAR ORDINATEUR POUR L'ÉVALUATION ET LE CONTRÔLE À DISTANCE D'ÉQUIPEMENT TERMINAL D'ABONNÉ VoIP WO2010080930A2 (fr)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
US14305009P 2009-01-07 2009-01-07
US14304709P 2009-01-07 2009-01-07
US61/143,050 2009-01-07
US61/143,047 2009-01-07
US12/395,657 US8081578B2 (en) 2009-01-07 2009-02-28 Methods, systems, and computer readable media for automatically categorizing voice over internet protocol (VoIP) subscriber devices in accordance with VoIP test and call quality data
US12/395,657 2009-02-28
US12/406,912 2009-03-18
US12/406,912 US9178768B2 (en) 2009-01-07 2009-03-18 Methods, systems, and computer readable media for combining voice over internet protocol (VoIP) call data with geographical information
US17045609P 2009-04-17 2009-04-17
US61/170,456 2009-04-17
US12/475,451 US8363557B2 (en) 2009-04-17 2009-05-29 Methods, systems, and computer readable media for remotely evaluating and controlling voice over IP (VoIP) subscriber terminal equipment
US12/475,451 2009-05-29

Publications (2)

Publication Number Publication Date
WO2010080930A2 true WO2010080930A2 (fr) 2010-07-15
WO2010080930A3 WO2010080930A3 (fr) 2010-10-21

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PCT/US2010/020394 WO2010080930A2 (fr) 2009-01-07 2010-01-07 PROCÉDÉS, SYSTÈMES ET SUPPORTS LISIBLES PAR ORDINATEUR POUR L'ÉVALUATION ET LE CONTRÔLE À DISTANCE D'ÉQUIPEMENT TERMINAL D'ABONNÉ VoIP
PCT/US2010/020391 WO2010080927A2 (fr) 2009-01-07 2010-01-07 PROCÉDÉS, SYSTÈMES, ET SUPPORTS LISIBLES PAR ORDINATEUR POUR COMBINER DES DONNÉES D'APPEL VoIP ET DES INFORMATIONS GÉOGRAPHIQUES
PCT/US2010/020390 WO2010080926A2 (fr) 2009-01-07 2010-01-07 PROCÉDÉS, SYSTÈMES, ET SUPPORTS LISIBLES PAR ORDINATEUR POUR CATÉGORISER AUTOMATIQUEMENT DES DISPOSITIFS D'ABONNÉ VoIP SELON DES DONNÉES D'ESSAI VoIP ET DE QUALITÉ D'APPEL

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PCT/US2010/020390 WO2010080926A2 (fr) 2009-01-07 2010-01-07 PROCÉDÉS, SYSTÈMES, ET SUPPORTS LISIBLES PAR ORDINATEUR POUR CATÉGORISER AUTOMATIQUEMENT DES DISPOSITIFS D'ABONNÉ VoIP SELON DES DONNÉES D'ESSAI VoIP ET DE QUALITÉ D'APPEL

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US8081578B2 (en) 2009-01-07 2011-12-20 Ixia Methods, systems, and computer readable media for automatically categorizing voice over internet protocol (VoIP) subscriber devices in accordance with VoIP test and call quality data
US8363557B2 (en) 2009-04-17 2013-01-29 Ixia Methods, systems, and computer readable media for remotely evaluating and controlling voice over IP (VoIP) subscriber terminal equipment
CN103581980A (zh) * 2012-07-20 2014-02-12 腾讯科技（深圳）有限公司 网络损伤模拟系统与方法
US9178768B2 (en) 2009-01-07 2015-11-03 Ixia Methods, systems, and computer readable media for combining voice over internet protocol (VoIP) call data with geographical information
US9736051B2 (en) 2014-04-30 2017-08-15 Ixia Smartap arrangement and methods thereof

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US8081578B2 (en) 2009-01-07 2011-12-20 Ixia Methods, systems, and computer readable media for automatically categorizing voice over internet protocol (VoIP) subscriber devices in accordance with VoIP test and call quality data
US9178768B2 (en) 2009-01-07 2015-11-03 Ixia Methods, systems, and computer readable media for combining voice over internet protocol (VoIP) call data with geographical information
US8363557B2 (en) 2009-04-17 2013-01-29 Ixia Methods, systems, and computer readable media for remotely evaluating and controlling voice over IP (VoIP) subscriber terminal equipment
CN103581980A (zh) * 2012-07-20 2014-02-12 腾讯科技（深圳）有限公司 网络损伤模拟系统与方法
CN103581980B (zh) * 2012-07-20 2018-04-10 腾讯科技（深圳）有限公司 网络损伤模拟系统与方法
US9736051B2 (en) 2014-04-30 2017-08-15 Ixia Smartap arrangement and methods thereof

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Publication number Publication date
WO2010080926A3 (fr) 2010-10-21
WO2010080927A3 (fr) 2010-10-21
WO2010080927A2 (fr) 2010-07-15
WO2010080930A3 (fr) 2010-10-21
WO2010080926A2 (fr) 2010-07-15

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