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FR2309086A1 - METHOD AND APPARATUS FOR ESTABLISHING SEVERAL SIMULTANEOUS MULTI-CONVERSATIONS IN A MIC SWITCHING DEVICE - Google Patents

METHOD AND APPARATUS FOR ESTABLISHING SEVERAL SIMULTANEOUS MULTI-CONVERSATIONS IN A MIC SWITCHING DEVICE

Info

Publication number
FR2309086A1
FR2309086A1 FR7612173A FR7612173A FR2309086A1 FR 2309086 A1 FR2309086 A1 FR 2309086A1 FR 7612173 A FR7612173 A FR 7612173A FR 7612173 A FR7612173 A FR 7612173A FR 2309086 A1 FR2309086 A1 FR 2309086A1
Authority
FR
France
Prior art keywords
conversations
switching device
simultaneous multi
several simultaneous
establishing several
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
FR7612173A
Other languages
French (fr)
Other versions
FR2309086B1 (en
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 FR2309086A1 publication Critical patent/FR2309086A1/en
Application granted granted Critical
Publication of FR2309086B1 publication Critical patent/FR2309086B1/fr
Granted 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)
FR7612173A 1975-04-23 1976-04-23 METHOD AND APPARATUS FOR ESTABLISHING SEVERAL SIMULTANEOUS MULTI-CONVERSATIONS IN A MIC SWITCHING DEVICE Granted FR2309086A1 (en)

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
FR2309086A1 true FR2309086A1 (en) 1976-11-19
FR2309086B1 FR2309086B1 (en) 1982-08-20

Family

ID=4102890

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7612173A Granted FR2309086A1 (en) 1975-04-23 1976-04-23 METHOD AND APPARATUS FOR ESTABLISHING SEVERAL SIMULTANEOUS MULTI-CONVERSATIONS IN A MIC SWITCHING DEVICE

Country Status (13)

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

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2406365A1 (en) * 1977-10-12 1979-05-11 Western Electric Co PABX FOR A TELECOMMUNICATIONS SYSTEM
FR2470495A1 (en) * 1979-11-21 1981-05-29 Int Standard Electric Corp Digital switching for telecommunications conference system - uses processor to control ports for routing data to required destination
FR2475328A1 (en) * 1979-11-21 1981-08-07 Int Standard Electric Corp Digital switching for telecommunications conference system - uses processor to control ports for routing data to required destination
EP0096061A1 (en) * 1981-12-14 1983-12-21 Western Electric Co Demultiplexer circuit.
FR2532507A1 (en) * 1982-08-30 1984-03-02 Western Electric Co INTERCHANGE TIME EXCHANGER AND METHOD FOR ESTABLISHING CONFERENCE COMMUNICATIONS IN A PCM SWITCHING SYSTEM
FR2533784A1 (en) * 1982-09-28 1984-03-30 Thomson Csf Mat Tel Device for multiple conferencing for a PCM time-division automatic exchange with connection network.
EP0163307A2 (en) * 1984-05-30 1985-12-04 Fujitsu Limited Switching system having capability for telecommunication conference

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3005739C2 (en) * 1980-02-15 1988-11-10 Nixdorf Computer Ag, 4790 Paderborn Method for controlling the transmission of PCM signals between connection points of a PCM time division multiplex telecommunications network in a conference operation and circuit arrangement for carrying out the method
US4408323A (en) 1981-06-29 1983-10-04 Bell Telephone Laboratories, Incorporated Processor facilities for integrated packet and voice switching
DE3147492A1 (en) * 1981-12-01 1983-06-09 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Circuit arrangement for setting up conference connections in telecommunications exchanges, in particular telephone exchanges, with digital through-connection using the PCM method
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
GB8301323D0 (en) * 1983-01-18 1983-02-16 Plessey Co Plc Conference bridge
GB8324058D0 (en) * 1983-09-08 1983-10-12 Plessey Co Plc Conference bridge circuit arrangement
JPS6190564A (en) * 1984-10-11 1986-05-08 Iwatsu Electric Co Ltd Conference call method
JPS61123800U (en) * 1985-01-21 1986-08-04

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551600A (en) * 1968-02-23 1970-12-29 Stromberg Carlson Corp High capacity,high side-tone suppression,4-wire conference circuit
US3604855A (en) * 1970-01-02 1971-09-14 Stromberg Carlson Corp Digital conference circuit for pcm signalling system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1547633A (en) * 1967-10-16 1968-11-29 Labo Cent Telecommunicat Circuit for adding binary numbers from non-linear signal coding
FR1602502A (en) * 1968-04-11 1970-12-21
DE2048198C2 (en) * 1970-09-30 1975-10-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Circuit arrangement for establishing conference connections in a PCM telecommunications, in particular telephone exchange

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3551600A (en) * 1968-02-23 1970-12-29 Stromberg Carlson Corp High capacity,high side-tone suppression,4-wire conference circuit
US3604855A (en) * 1970-01-02 1971-09-14 Stromberg Carlson Corp Digital conference circuit for pcm signalling system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2406365A1 (en) * 1977-10-12 1979-05-11 Western Electric Co PABX FOR A TELECOMMUNICATIONS SYSTEM
FR2470495A1 (en) * 1979-11-21 1981-05-29 Int Standard Electric Corp Digital switching for telecommunications conference system - uses processor to control ports for routing data to required destination
FR2475328A1 (en) * 1979-11-21 1981-08-07 Int Standard Electric Corp Digital switching for telecommunications conference system - uses processor to control ports for routing data to required destination
EP0096061A1 (en) * 1981-12-14 1983-12-21 Western Electric Co Demultiplexer circuit.
EP0096061A4 (en) * 1981-12-14 1985-10-28 Western Electric Co Demultiplexer circuit.
FR2532507A1 (en) * 1982-08-30 1984-03-02 Western Electric Co INTERCHANGE TIME EXCHANGER AND METHOD FOR ESTABLISHING CONFERENCE COMMUNICATIONS IN A PCM SWITCHING SYSTEM
FR2533784A1 (en) * 1982-09-28 1984-03-30 Thomson Csf Mat Tel Device for multiple conferencing for a PCM time-division automatic exchange with connection network.
EP0163307A2 (en) * 1984-05-30 1985-12-04 Fujitsu Limited Switching system having capability for telecommunication conference
EP0163307A3 (en) * 1984-05-30 1988-10-05 Fujitsu Limited Switching system having capability for telecommunication conference

Also Published As

Publication number Publication date
ES447276A1 (en) 1977-07-01
CA1027265A (en) 1978-02-28
NL7604258A (en) 1976-10-26
IE43367L (en) 1976-10-23
DK156866B (en) 1989-10-09
DK156866C (en) 1990-02-26
BE841099A (en) 1976-08-16
IE43367B1 (en) 1981-02-11
NO761343L (en) 1976-10-26
JPS51135405A (en) 1976-11-24
JPS5916459B2 (en) 1984-04-16
SE420556B (en) 1981-10-12
GB1529106A (en) 1978-10-18
FR2309086B1 (en) 1982-08-20
DE2617344A1 (en) 1976-11-04
SE7604727L (en) 1976-10-24
DK181676A (en) 1976-10-24
DE2617344C2 (en) 1986-07-17
IT1059227B (en) 1982-05-31

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