AU2001251170A1 - Method and apparatus for monitoring access to a communications circuit - Google Patents
Method and apparatus for monitoring access to a communications circuitInfo
- Publication number
- AU2001251170A1 AU2001251170A1 AU2001251170A AU5117001A AU2001251170A1 AU 2001251170 A1 AU2001251170 A1 AU 2001251170A1 AU 2001251170 A AU2001251170 A AU 2001251170A AU 5117001 A AU5117001 A AU 5117001A AU 2001251170 A1 AU2001251170 A1 AU 2001251170A1
- Authority
- AU
- Australia
- Prior art keywords
- communications circuit
- monitoring access
- monitor
- gradually applied
- access
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
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
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
- H04M3/302—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs
- H04M3/304—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs and using xDSL modems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/2281—Call monitoring, e.g. for law enforcement purposes; Call tracing; Detection or prevention of malicious calls
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2203/00—Aspects of automatic or semi-automatic exchanges
- H04M2203/05—Aspects of automatic or semi-automatic exchanges related to OAM&P
- H04M2203/056—Aspects of automatic or semi-automatic exchanges related to OAM&P non-invasive testing, i.e. in operation testing without service interruption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/2209—Arrangements for supervision, monitoring or testing for lines also used for data transmission
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Technology Law (AREA)
- Telephonic Communication Services (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Interface Circuits In Exchanges (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Mobile Radio Communication Systems (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US19335900P | 2000-03-31 | 2000-03-31 | |
US60/193,359 | 2000-03-31 | ||
US20039000P | 2000-04-28 | 2000-04-28 | |
US60/200,390 | 2000-04-28 | ||
PCT/US2001/010378 WO2001076204A2 (fr) | 2000-03-31 | 2001-04-02 | Procede et appareil d'application progressive d'un acces de surveillance sans a-coups a un circuit de communications, au moyen d'un support de transmission guide |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001251170A1 true AU2001251170A1 (en) | 2001-10-15 |
Family
ID=26888919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001251170A Abandoned AU2001251170A1 (en) | 2000-03-31 | 2001-04-02 | Method and apparatus for monitoring access to a communications circuit |
Country Status (6)
Country | Link |
---|---|
US (3) | US6993127B2 (fr) |
EP (1) | EP1273160B1 (fr) |
AT (1) | ATE379922T1 (fr) |
AU (1) | AU2001251170A1 (fr) |
DE (1) | DE60131636D1 (fr) |
WO (1) | WO2001076204A2 (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001076204A2 (fr) * | 2000-03-31 | 2001-10-11 | Spirent Communications | Procede et appareil d'application progressive d'un acces de surveillance sans a-coups a un circuit de communications, au moyen d'un support de transmission guide |
US7065180B2 (en) * | 2003-08-04 | 2006-06-20 | Spirent Communications Of Rockville, Inc. | System and method for hitless monitoring access of a communications circuit |
US6922464B2 (en) * | 2003-08-04 | 2005-07-26 | Spirent Communications Of Rockville, Inc. | System and method for hitless monitoring access of a communications circuit |
US8625818B2 (en) * | 2009-07-13 | 2014-01-07 | Fairchild Semiconductor Corporation | No pop switch |
US9054692B2 (en) | 2009-07-13 | 2015-06-09 | Fairchild Semiconductor Corporation | No pop switch |
US9292397B1 (en) | 2012-05-14 | 2016-03-22 | Netload, Inc. | Light-weight method and apparatus for testing network devices and infrastructure |
DE102013220155B4 (de) * | 2012-10-05 | 2021-03-04 | Ifm Electronic Gmbh | Auskoppeleinheit für einen Zweileiter-Feldbus zum Lesen von Bustelegrammen |
GB2520292A (en) * | 2013-11-14 | 2015-05-20 | Snell Ltd | Method and apparatus for processing a switched audio signal |
CN115473024A (zh) * | 2022-10-26 | 2022-12-13 | 国网江苏省电力有限公司扬州供电分公司 | 一种大功率定向耦合器 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2799725A (en) * | 1954-09-14 | 1957-07-16 | Int Standard Electric Corp | Arrangement for coupling monitoring devices to two-wire communications transmission lines |
GB922885A (en) * | 1960-07-26 | 1963-04-03 | Ass Elect Ind | Improvements relating to electronic circuit arrangements |
US3708634A (en) * | 1971-11-09 | 1973-01-02 | Northern Electric Co | Telephone hand test set |
US4791659A (en) * | 1986-10-30 | 1988-12-13 | Domain Systems, Inc. | Remote test telephone line access system |
US5581228A (en) * | 1992-04-02 | 1996-12-03 | Applied Digital Access, Inc. | Digital signal comparison circuit in a performance monitoring and test system |
US5329586A (en) * | 1992-05-29 | 1994-07-12 | At&T Bell Laboratories | Nonlinear echo canceller for data signals using a non-redundant distributed lookup-table architecture |
JPH07123027A (ja) * | 1993-10-26 | 1995-05-12 | Fujitsu Ltd | ディジタル加入者線伝送装置 |
US5859906A (en) * | 1996-11-19 | 1999-01-12 | Thomson Consumer Electronics, Inc. | Telephone switch hook interface circuit |
US6181791B1 (en) * | 1998-01-06 | 2001-01-30 | Stmicroelectronics, Inc. | Apparatus and method for reducing local interference in subscriber loop communication system |
US6215856B1 (en) * | 1998-08-11 | 2001-04-10 | Avaya Technology Corp. | Dual mode monitor module |
US6216856B1 (en) * | 1999-12-14 | 2001-04-17 | Hong Ku Park | Holder for assorted desk articles |
WO2001076204A2 (fr) * | 2000-03-31 | 2001-10-11 | Spirent Communications | Procede et appareil d'application progressive d'un acces de surveillance sans a-coups a un circuit de communications, au moyen d'un support de transmission guide |
US7065180B2 (en) * | 2003-08-04 | 2006-06-20 | Spirent Communications Of Rockville, Inc. | System and method for hitless monitoring access of a communications circuit |
US6922464B2 (en) * | 2003-08-04 | 2005-07-26 | Spirent Communications Of Rockville, Inc. | System and method for hitless monitoring access of a communications circuit |
-
2001
- 2001-04-02 WO PCT/US2001/010378 patent/WO2001076204A2/fr active IP Right Grant
- 2001-04-02 US US09/822,198 patent/US6993127B2/en not_active Expired - Fee Related
- 2001-04-02 AT AT01924522T patent/ATE379922T1/de not_active IP Right Cessation
- 2001-04-02 AU AU2001251170A patent/AU2001251170A1/en not_active Abandoned
- 2001-04-02 EP EP01924522A patent/EP1273160B1/fr not_active Expired - Lifetime
- 2001-04-02 DE DE60131636T patent/DE60131636D1/de not_active Expired - Lifetime
-
2006
- 2006-01-20 US US11/335,578 patent/US7260185B2/en not_active Expired - Fee Related
-
2007
- 2007-08-20 US US11/892,170 patent/US7961847B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20020025032A1 (en) | 2002-02-28 |
US6993127B2 (en) | 2006-01-31 |
DE60131636D1 (de) | 2008-01-10 |
US20070291908A1 (en) | 2007-12-20 |
WO2001076204A2 (fr) | 2001-10-11 |
EP1273160B1 (fr) | 2007-11-28 |
EP1273160A2 (fr) | 2003-01-08 |
WO2001076204A3 (fr) | 2002-09-19 |
US20060119995A1 (en) | 2006-06-08 |
ATE379922T1 (de) | 2007-12-15 |
US7961847B2 (en) | 2011-06-14 |
US7260185B2 (en) | 2007-08-21 |
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