JPS51135405A - Method and device for simultaneously attending plural conferences via pcn switching system - Google Patents

Method and device for simultaneously attending plural conferences via pcn switching system

Info

Publication number
JPS51135405A
JPS51135405A JP51044518A JP4451876A JPS51135405A JP S51135405 A JPS51135405 A JP S51135405A JP 51044518 A JP51044518 A JP 51044518A JP 4451876 A JP4451876 A JP 4451876A JP S51135405 A JPS51135405 A JP S51135405A
Authority
JP
Japan
Prior art keywords
switching system
plural
attending
conferences via
pcn
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.)
Granted
Application number
JP51044518A
Other languages
English (en)
Other versions
JPS5916459B2 (ja
Inventor
Arekusandaa Inrigu Sukotsuto
Sutanree Jiyon Chiyatsupu Aran
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom Ltd
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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of JPS51135405A publication Critical patent/JPS51135405A/ja
Publication of JPS5916459B2 publication Critical patent/JPS5916459B2/ja
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/56Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/561Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/04Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
JP51044518A 1975-04-23 1976-04-21 Pcmスイッチングシステムにおいて複数の会議を同時に実現する装置 Expired JPS5916459B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA225,276A CA1027265A (en) 1975-04-23 1975-04-23 Method and apparatus for establishing a plurality of simultaneous conferences in a pcm switching system

Publications (2)

Publication Number Publication Date
JPS51135405A true JPS51135405A (en) 1976-11-24
JPS5916459B2 JPS5916459B2 (ja) 1984-04-16

Family

ID=4102890

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51044518A Expired JPS5916459B2 (ja) 1975-04-23 1976-04-21 Pcmスイッチングシステムにおいて複数の会議を同時に実現する装置

Country Status (13)

Country Link
JP (1) JPS5916459B2 (ja)
BE (1) BE841099A (ja)
CA (1) CA1027265A (ja)
DE (1) DE2617344C2 (ja)
DK (1) DK156866C (ja)
ES (1) ES447276A1 (ja)
FR (1) FR2309086A1 (ja)
GB (1) GB1529106A (ja)
IE (1) IE43367B1 (ja)
IT (1) IT1059227B (ja)
NL (1) NL7604258A (ja)
NO (1) NO761343L (ja)
SE (1) SE420556B (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59189766A (ja) * 1983-01-18 1984-10-27 プレツシ− オ−バ−シ−ズ リミテツド 会議用ブリツジ装置
JPS6190564A (ja) * 1984-10-11 1986-05-08 Iwatsu Electric Co Ltd 会議通話方式

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112258A (en) * 1977-10-12 1978-09-05 Bell Telephone Laboratories, Incorporated Communication system using intelligent network processor
FR2475328B1 (fr) * 1979-11-21 1988-06-24 Int Standard Electric Corp Systeme de commutation numerique de telecommunications, equipe de moyens de connexion en conference d'un ou plusieurs groupes de terminaux
FR2470495B1 (fr) * 1979-11-21 1988-06-24 Int Standard Electric Corp Systeme de commutation numerique de telecommunications capable d'etablir des connexions multilaterales de teleconference et de diffusion selective d'informations ou de signaux
DE3005739C2 (de) * 1980-02-15 1988-11-10 Nixdorf Computer Ag, 4790 Paderborn Verfahren zur Steuerung der Übertragung von PCM-Signalen zwischen Anschlußstellen eines PCM-Zeitmultiplex-Fernmeldenetzes in einem Konferenzbetrieb und Schaltungsanordnung zur Druchführung des Verfahrens
US4408323A (en) 1981-06-29 1983-10-04 Bell Telephone Laboratories, Incorporated Processor facilities for integrated packet and voice switching
DE3147492A1 (de) * 1981-12-01 1983-06-09 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung zum herstellen von konferenzverbindungen in digital nach dem pcm-verfahren durchschaltenden fernmelde-, insbesondere fernsprechvermittlungsanlagen
US4430734A (en) * 1981-12-14 1984-02-07 Bell Telephone Laboratories, Incorporated Demultiplexer circuit
US4485469A (en) * 1982-08-30 1984-11-27 At&T Bell Laboratories Time slot interchanger
FR2533784B1 (fr) * 1982-09-28 1989-06-30 Thomson Csf Mat Tel Dispositif de conferences multiples pour autocommutateur temporel mic avec reseau de connexion
GB2128448B (en) * 1982-10-08 1985-11-13 Standard Telephones Cables Ltd Telephone exchange conference circuit
GB2134751B (en) * 1983-01-18 1986-07-30 Plessey Co Plc Conference bridge
GB8324058D0 (en) * 1983-09-08 1983-10-12 Plessey Co Plc Conference bridge circuit arrangement
JPS60253361A (ja) * 1984-05-30 1985-12-14 Fujitsu Ltd 会議通話機能を有する交換システム
JPS61123800U (ja) * 1985-01-21 1986-08-04

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1547633A (fr) * 1967-10-16 1968-11-29 Labo Cent Telecommunicat Circuit d'addition de nombres binaires provenant du codage non linéaire de signaux
US3551600A (en) * 1968-02-23 1970-12-29 Stromberg Carlson Corp High capacity,high side-tone suppression,4-wire conference circuit
FR1602502A (ja) * 1968-04-11 1970-12-21
US3604855A (en) * 1970-01-02 1971-09-14 Stromberg Carlson Corp Digital conference circuit for pcm signalling system
DE2048198C2 (de) * 1970-09-30 1975-10-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Herstellung von Konferenzverbindungen in einer PCM-Fernmelde-, insbesondere Fernsprechvermittlungsstelle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59189766A (ja) * 1983-01-18 1984-10-27 プレツシ− オ−バ−シ−ズ リミテツド 会議用ブリツジ装置
JPS6190564A (ja) * 1984-10-11 1986-05-08 Iwatsu Electric Co Ltd 会議通話方式

Also Published As

Publication number Publication date
CA1027265A (en) 1978-02-28
IT1059227B (it) 1982-05-31
JPS5916459B2 (ja) 1984-04-16
DK156866B (da) 1989-10-09
BE841099A (fr) 1976-08-16
NO761343L (ja) 1976-10-26
DK156866C (da) 1990-02-26
GB1529106A (en) 1978-10-18
SE7604727L (sv) 1976-10-24
DE2617344A1 (de) 1976-11-04
ES447276A1 (es) 1977-07-01
FR2309086B1 (ja) 1982-08-20
IE43367L (en) 1976-10-23
IE43367B1 (en) 1981-02-11
NL7604258A (nl) 1976-10-26
DK181676A (da) 1976-10-24
FR2309086A1 (fr) 1976-11-19
DE2617344C2 (de) 1986-07-17
SE420556B (sv) 1981-10-12

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