ES447276A1 - Procedimiento y aparato para establecer una pluralidad de conferencias simultaneas en sistemas de conmutacion de modu-lacion por impulsos codificados. - Google Patents

Procedimiento y aparato para establecer una pluralidad de conferencias simultaneas en sistemas de conmutacion de modu-lacion por impulsos codificados.

Info

Publication number
ES447276A1
ES447276A1 ES447276A ES447276A ES447276A1 ES 447276 A1 ES447276 A1 ES 447276A1 ES 447276 A ES447276 A ES 447276A ES 447276 A ES447276 A ES 447276A ES 447276 A1 ES447276 A1 ES 447276A1
Authority
ES
Spain
Prior art keywords
frame
establishing
store
incoming
results
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
Application number
ES447276A
Other languages
English (en)
Spanish (es)
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 ES447276A1 publication Critical patent/ES447276A1/es
Expired legal-status Critical Current

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
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (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)
ES447276A 1975-04-23 1976-04-23 Procedimiento y aparato para establecer una pluralidad de conferencias simultaneas en sistemas de conmutacion de modu-lacion por impulsos codificados. Expired ES447276A1 (es)

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 (1)

Publication Number Publication Date
ES447276A1 true ES447276A1 (es) 1977-07-01

Family

ID=4102890

Family Applications (1)

Application Number Title Priority Date Filing Date
ES447276A Expired ES447276A1 (es) 1975-04-23 1976-04-23 Procedimiento y aparato para establecer una pluralidad de conferencias simultaneas en sistemas de conmutacion de modu-lacion por impulsos codificados.

Country Status (13)

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

Families Citing this family (16)

* 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
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
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
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
GB8301323D0 (en) * 1983-01-18 1983-02-16 Plessey Co Plc Conference bridge
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
JPS6190564A (ja) * 1984-10-11 1986-05-08 Iwatsu Electric Co Ltd 会議通話方式
JPS61123800U (enExample) * 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 (enExample) * 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

Also Published As

Publication number Publication date
SE420556B (sv) 1981-10-12
NL7604258A (nl) 1976-10-26
DK156866C (da) 1990-02-26
IE43367L (en) 1976-10-23
FR2309086B1 (enExample) 1982-08-20
GB1529106A (en) 1978-10-18
IE43367B1 (en) 1981-02-11
DK156866B (da) 1989-10-09
SE7604727L (sv) 1976-10-24
JPS51135405A (en) 1976-11-24
BE841099A (fr) 1976-08-16
DK181676A (da) 1976-10-24
CA1027265A (en) 1978-02-28
DE2617344A1 (de) 1976-11-04
DE2617344C2 (de) 1986-07-17
FR2309086A1 (fr) 1976-11-19
IT1059227B (it) 1982-05-31
NO761343L (enExample) 1976-10-26
JPS5916459B2 (ja) 1984-04-16

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