ZA88345B - A method for conference systems in computer controlled digital telephone exchange systems - Google Patents

A method for conference systems in computer controlled digital telephone exchange systems

Info

Publication number
ZA88345B
ZA88345B ZA880345A ZA88345A ZA88345B ZA 88345 B ZA88345 B ZA 88345B ZA 880345 A ZA880345 A ZA 880345A ZA 88345 A ZA88345 A ZA 88345A ZA 88345 B ZA88345 B ZA 88345B
Authority
ZA
South Africa
Prior art keywords
systems
computer controlled
telephone exchange
digital telephone
controlled digital
Prior art date
Application number
ZA880345A
Other languages
English (en)
Inventor
Klose Reinhard
Schroeter Juergen
Original Assignee
Deutsche Telephonwerke Und Kabelindustrie Aktiengesellschaft
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 Deutsche Telephonwerke Und Kabelindustrie Aktiengesellschaft filed Critical Deutsche Telephonwerke Und Kabelindustrie Aktiengesellschaft
Publication of ZA88345B publication Critical patent/ZA88345B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
    • H04M3/569—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants using the instant speaker's algorithm

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
ZA880345A 1987-02-23 1988-01-19 A method for conference systems in computer controlled digital telephone exchange systems ZA88345B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3706128A DE3706128C1 (de) 1987-02-23 1987-02-23 Verfahren fuer Konferenzverbindungen in rechnergesteuerten digitalen Fernsprechvermittlungsanlagen

Publications (1)

Publication Number Publication Date
ZA88345B true ZA88345B (en) 1988-07-04

Family

ID=6321779

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA880345A ZA88345B (en) 1987-02-23 1988-01-19 A method for conference systems in computer controlled digital telephone exchange systems

Country Status (7)

Country Link
US (1) US4809262A (xx)
CH (1) CH674114A5 (xx)
DE (1) DE3706128C1 (xx)
DK (1) DK82788A (xx)
FI (1) FI880065A (xx)
PT (1) PT86798B (xx)
ZA (1) ZA88345B (xx)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2210535B (en) * 1987-10-01 1991-12-04 Optical Tech Ltd Digital signal mixing apparatus
JP2725218B2 (ja) * 1990-12-21 1998-03-11 株式会社リコス 分散型電話会議制御装置
US5212726A (en) * 1991-04-18 1993-05-18 Harris Corporation Method of combining signals in a telephone conference circuit
DE4132988A1 (de) * 1991-10-04 1993-04-08 Siemens Nixdorf Inf Syst Verfahren zur ermittlung aktiver teilnehmer einer sprachkonferenzverbindung
US5313459A (en) * 1992-10-08 1994-05-17 Newton Communications, Inc. Private branch exchange system and methods for operating same
US5483588A (en) * 1994-12-23 1996-01-09 Latitute Communications Voice processing interface for a teleconference system
US6563914B2 (en) 1997-02-26 2003-05-13 Call Sciences Limited Personal web-based teleconferencing method and system
US6181707B1 (en) 1997-04-04 2001-01-30 Clear Com Intercom system having unified control and audio data transport
US7237033B2 (en) 2001-04-30 2007-06-26 Aol Llc Duplicating switch for streaming data units to a terminal
US7124166B2 (en) 2001-04-30 2006-10-17 Aol Llc Duplicating digital streams for digital conferencing using switching technologies
US8028092B2 (en) 2002-06-28 2011-09-27 Aol Inc. Inserting advertising content
US6839417B2 (en) 2002-09-10 2005-01-04 Myriad Entertainment, Inc. Method and apparatus for improved conference call management
DE102004037856B4 (de) 2004-08-04 2006-05-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sprachkonferenzvorrichtung, Sprachkonferenzsystem und Verfahren zur Realisierung einer Sprachkonferenz
US11683643B2 (en) 2007-05-04 2023-06-20 Staton Techiya Llc Method and device for in ear canal echo suppression
US8526645B2 (en) 2007-05-04 2013-09-03 Personics Holdings Inc. Method and device for in ear canal echo suppression
US10194032B2 (en) 2007-05-04 2019-01-29 Staton Techiya, Llc Method and apparatus for in-ear canal sound suppression
US11856375B2 (en) 2007-05-04 2023-12-26 Staton Techiya Llc Method and device for in-ear echo suppression
US8311085B2 (en) 2009-04-14 2012-11-13 Clear-Com Llc Digital intercom network over DC-powered microphone cable
US9129607B2 (en) * 2011-06-28 2015-09-08 Adobe Systems Incorporated Method and apparatus for combining digital signals
US9639906B2 (en) 2013-03-12 2017-05-02 Hm Electronics, Inc. System and method for wideband audio communication with a quick service restaurant drive-through intercom

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3005162A1 (de) * 1980-02-12 1981-08-20 Siemens AG, 1000 Berlin und 8000 München Verfahren zur einspeisung von hoertoenen in konferenzverbindungen
DE3206830A1 (de) * 1982-02-23 1983-09-01 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur herstellung von konferenzverbindungen zwischen teilnehmern unterschiedlicher kategorien
US4479211A (en) * 1982-10-29 1984-10-23 At&T Bell Laboratories Method and apparatus for controlling ports in a digital conference arrangement
US4748618A (en) * 1986-05-21 1988-05-31 Bell Communications Research, Inc. Telecommunications interface

Also Published As

Publication number Publication date
CH674114A5 (xx) 1990-04-30
DK82788D0 (da) 1988-02-18
PT86798B (pt) 1993-08-31
FI880065A (fi) 1988-08-24
FI880065A0 (fi) 1988-01-08
US4809262A (en) 1989-02-28
DK82788A (da) 1988-08-24
DE3706128C1 (de) 1988-08-18
PT86798A (pt) 1989-02-28

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