FR2472318B1 - Systeme de conference telephonique - Google Patents

Systeme de conference telephonique

Info

Publication number
FR2472318B1
FR2472318B1 FR7930950A FR7930950A FR2472318B1 FR 2472318 B1 FR2472318 B1 FR 2472318B1 FR 7930950 A FR7930950 A FR 7930950A FR 7930950 A FR7930950 A FR 7930950A FR 2472318 B1 FR2472318 B1 FR 2472318B1
Authority
FR
France
Prior art keywords
conference system
telephone conference
telephone
conference
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
FR7930950A
Other languages
English (en)
Other versions
FR2472318A1 (fr
Inventor
Claude Auguste Molleron
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.)
Societe Anonyme de Telecommunications SAT
Original Assignee
Societe Anonyme de Telecommunications SAT
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 Societe Anonyme de Telecommunications SAT filed Critical Societe Anonyme de Telecommunications SAT
Priority to FR7930950A priority Critical patent/FR2472318B1/fr
Publication of FR2472318A1 publication Critical patent/FR2472318A1/fr
Application granted granted Critical
Publication of FR2472318B1 publication Critical patent/FR2472318B1/fr
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

Landscapes

  • Engineering & Computer Science (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)
  • Data Exchanges In Wide-Area Networks (AREA)
FR7930950A 1979-12-18 1979-12-18 Systeme de conference telephonique Expired FR2472318B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7930950A FR2472318B1 (fr) 1979-12-18 1979-12-18 Systeme de conference telephonique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7930950A FR2472318B1 (fr) 1979-12-18 1979-12-18 Systeme de conference telephonique

Publications (2)

Publication Number Publication Date
FR2472318A1 FR2472318A1 (fr) 1981-06-26
FR2472318B1 true FR2472318B1 (fr) 1986-07-18

Family

ID=9232876

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7930950A Expired FR2472318B1 (fr) 1979-12-18 1979-12-18 Systeme de conference telephonique

Country Status (1)

Country Link
FR (1) FR2472318B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1409610A (en) * 1972-10-25 1975-10-08 Post Office Telephone exchanges
FR2332663A1 (fr) * 1975-11-20 1977-06-17 Labo Cent Telecommunicat Circuit de conference pour reseau de commutation mic
FR2334244A1 (fr) * 1975-12-04 1977-07-01 Labo Cent Telecommunicat Circuit de conference pour reseau de commutation mic
US4119807A (en) * 1977-06-13 1978-10-10 Rca Corporation Digital time division multiplex switching system
US4109111A (en) * 1977-08-23 1978-08-22 Digital Switch Corporation Method and apparatus for establishing conference calls in a time division multiplex pulse code modulation switching system
WO1979000318A1 (fr) * 1977-11-25 1979-06-14 Stromberg Carlson Corp Central telephonique secondaire prive numerique

Also Published As

Publication number Publication date
FR2472318A1 (fr) 1981-06-26

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Legal Events

Date Code Title Description
ST Notification of lapse