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DE69131007D1 - Anruffortschreitungsdekodierer für mehrfach getaktete Töne auf Telefonleitungen - Google Patents

Anruffortschreitungsdekodierer für mehrfach getaktete Töne auf Telefonleitungen

Info

Publication number
DE69131007D1
DE69131007D1 DE69131007T DE69131007T DE69131007D1 DE 69131007 D1 DE69131007 D1 DE 69131007D1 DE 69131007 T DE69131007 T DE 69131007T DE 69131007 T DE69131007 T DE 69131007T DE 69131007 D1 DE69131007 D1 DE 69131007D1
Authority
DE
Germany
Prior art keywords
clocked
tones
decoder
telephone lines
call progression
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.)
Expired - Fee Related
Application number
DE69131007T
Other languages
English (en)
Other versions
DE69131007T2 (de
Inventor
Sanjay Gupta
Tim Lis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Codex Corp
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
Application filed by Codex Corp filed Critical Codex Corp
Application granted granted Critical
Publication of DE69131007D1 publication Critical patent/DE69131007D1/de
Publication of DE69131007T2 publication Critical patent/DE69131007T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
DE69131007T 1990-12-21 1991-12-20 Anruffortschreitungsdekodierer für mehrfach getaktete Töne auf Telefonleitungen Expired - Fee Related DE69131007T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63183090A 1990-12-21 1990-12-21

Publications (2)

Publication Number Publication Date
DE69131007D1 true DE69131007D1 (de) 1999-04-22
DE69131007T2 DE69131007T2 (de) 1999-10-28

Family

ID=24532940

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69131007T Expired - Fee Related DE69131007T2 (de) 1990-12-21 1991-12-20 Anruffortschreitungsdekodierer für mehrfach getaktete Töne auf Telefonleitungen

Country Status (4)

Country Link
US (1) US5483593A (de)
EP (1) EP0493056B1 (de)
DE (1) DE69131007T2 (de)
WO (1) WO1992011723A1 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4124977C1 (de) * 1991-07-27 1992-09-10 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig Hollaend. Stiftung & Co Kg, 8510 Fuerth, De
CA2116043C (en) * 1994-02-21 1997-09-23 Alexander F. Tulai Programmable digital call progress tone detector
US7248680B1 (en) 1994-04-19 2007-07-24 T-Netix, Inc. Computer-based method and apparatus for controlling, monitoring, recording and reporting telephone access
US7106843B1 (en) 1994-04-19 2006-09-12 T-Netix, Inc. Computer-based method and apparatus for controlling, monitoring, recording and reporting telephone access
US5926533A (en) * 1994-04-19 1999-07-20 Opus Telecom, Inc. Computer-based method and apparatus for controlling, monitoring, recording and reporting telephone access
US5655013A (en) 1994-04-19 1997-08-05 Gainsboro; Jay L. Computer-based method and apparatus for controlling, monitoring, recording and reporting telephone access
JPH10507604A (ja) * 1994-10-17 1998-07-21 エクセル，インコーポレイテッド 汎用呼び進行解析システム
US5621782A (en) * 1995-06-02 1997-04-15 Harris Corporation Test interface adapter emulating on test trunk interface for non-standard central office switch
US5787164A (en) * 1996-08-12 1998-07-28 Ellipsys Technologies, Inc. Switched network call progress protocol analyzer
JPH10271205A (ja) * 1997-03-26 1998-10-09 Ricoh Co Ltd 通信端末装置
US6072869A (en) * 1997-12-22 2000-06-06 Nortel Networks Corporation Adaptive method and apparatus for detecting a stutter dial tone signal
US6665376B1 (en) 1998-10-23 2003-12-16 T-Netix, Inc. Selectively activated integrated real-time recording of telephone conversations with automated documentation of consent to call recording
US6665380B1 (en) 1999-01-11 2003-12-16 T-Netix, Inc. Inmate messaging system and method
DE19934990A1 (de) * 1999-07-26 2001-02-01 Deutsche Telekom Ag Verfahren und Kommunikationsendeinrichtung zum Detektieren einer Teilnehmersignalisierung in einer analogen Kommunikationsendeinrichtung
US6763099B1 (en) 1999-11-05 2004-07-13 T-Netix, Inc. Advanced three way call detection system and method using spread spectrum techniques
US7903806B1 (en) 2000-01-05 2011-03-08 Canoga Perkins Corp. Expert call analyzer and next generation telephony network configuration system
US6668045B1 (en) 2000-10-30 2003-12-23 T-Netix, Inc. Message screening, delivery and billing system
US7899167B1 (en) 2003-08-15 2011-03-01 Securus Technologies, Inc. Centralized call processing
US8000269B1 (en) 2001-07-13 2011-08-16 Securus Technologies, Inc. Call processing with voice over internet protocol transmission
US7054435B2 (en) * 2002-04-05 2006-05-30 Avaya Technology Corp. Apparatus and method for determining a minimal time bound for performing tone detection
US7860222B1 (en) 2003-11-24 2010-12-28 Securus Technologies, Inc. Systems and methods for acquiring, accessing, and analyzing investigative information
US7916845B2 (en) * 2006-04-13 2011-03-29 Securus Technologies, Inc. Unauthorized call activity detection and prevention systems and methods for a Voice over Internet Protocol environment
US9020114B2 (en) 2002-04-29 2015-04-28 Securus Technologies, Inc. Systems and methods for detecting a call anomaly using biometric identification
US9026468B2 (en) 2002-04-29 2015-05-05 Securus Technologies, Inc. System and method for proactively establishing a third-party payment account for services rendered to a resident of a controlled-environment facility
US20030223572A1 (en) * 2002-05-31 2003-12-04 Roybal Larry John Apparatus and method for detecting a tone disconnect signal in the presence of voice
US7236585B2 (en) * 2002-05-31 2007-06-26 Avaya Technology Corp Apparatus and method for noise immunity during signal detection
US7162744B2 (en) * 2002-08-27 2007-01-09 Micron Technology, Inc. Connected support entitlement system and method of operation
US7529357B1 (en) 2003-08-15 2009-05-05 Evercom Systems, Inc. Inmate management and call processing systems and methods
CN100477693C (zh) * 2004-12-17 2009-04-08 华为技术有限公司 一种回铃音检测装置和方法
US7760192B2 (en) * 2005-11-03 2010-07-20 International Business Machines Corporation Cadence controlled actuator
US20080136678A1 (en) * 2006-12-11 2008-06-12 International Business Machines Corporation Data input using knocks
US8542802B2 (en) 2007-02-15 2013-09-24 Global Tel*Link Corporation System and method for three-way call detection
US10796392B1 (en) 2007-05-22 2020-10-06 Securus Technologies, Llc Systems and methods for facilitating booking, bonding and release
KR101127325B1 (ko) * 2007-09-04 2012-03-29 지멘스 엔터프라이즈 커뮤니케이션즈 게엠베하 운트 코. 카게 전화 수신기의 상태를 검출하기 위한 방법 및 통신 단말
US9225838B2 (en) 2009-02-12 2015-12-29 Value-Added Communications, Inc. System and method for detecting three-way call circumvention attempts
US9930088B1 (en) 2017-06-22 2018-03-27 Global Tel*Link Corporation Utilizing VoIP codec negotiation during a controlled environment call

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1339209A (fr) * 1963-04-06 1963-10-04 Int Standard Electric Corp Récepteur à fréquences vocales
US4028493A (en) * 1975-12-22 1977-06-07 International Business Machines Corporation Call progress signal detector
CH649182A5 (fr) * 1981-09-23 1985-04-30 Lupa Finances Composeur automatique de numeros de telephone.
CA1177588A (en) * 1982-02-12 1984-11-06 Ernst A. Munter Digital circuit and method for the detection of call progress tones in telephone systems
CA1177978A (en) * 1982-11-24 1984-11-13 Chao-Jan Cheng Call progress signal monitor and method for telephone systems
US4528664A (en) * 1982-11-29 1985-07-09 Northern Telecom Limited Call progress signal monitor and method for telephone systems
JPS612462A (ja) * 1984-06-15 1986-01-08 Oki Electric Ind Co Ltd オ−トダイアル方式
US4686699A (en) * 1984-12-21 1987-08-11 International Business Machines Corporation Call progress monitor for a computer telephone interface
US4742251A (en) * 1985-08-12 1988-05-03 Silicon Systems, Inc. Precise call progress detector
US4696031A (en) * 1985-12-31 1987-09-22 Wang Laboratories, Inc. Signal detection and discrimination using waveform peak factor
US4935958A (en) * 1986-09-22 1990-06-19 Dytel Corporation Busy/no-answer call completion equipment
US5007000A (en) * 1989-06-28 1991-04-09 International Telesystems Corp. Classification of audio signals on a telephone line
US5063593A (en) * 1989-08-23 1991-11-05 Samsung Electronics Co., Ltd. Tone-type recognition method

Also Published As

Publication number Publication date
DE69131007T2 (de) 1999-10-28
EP0493056A2 (de) 1992-07-01
EP0493056B1 (de) 1999-03-17
WO1992011723A1 (en) 1992-07-09
US5483593A (en) 1996-01-09
EP0493056A3 (en) 1993-08-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: SCHUMACHER & WILLSAU, PATENTANWALTSSOZIETAET, 80335 MUENCHEN

8339 Ceased/non-payment of the annual fee