CH460874A - Konferenzeinrichtung für Fernsprechnebenstellenanlagen - Google Patents

Konferenzeinrichtung für Fernsprechnebenstellenanlagen

Info

Publication number
CH460874A
CH460874A CH1764666A CH1764666A CH460874A CH 460874 A CH460874 A CH 460874A CH 1764666 A CH1764666 A CH 1764666A CH 1764666 A CH1764666 A CH 1764666A CH 460874 A CH460874 A CH 460874A
Authority
CH
Switzerland
Prior art keywords
private branch
branch exchanges
conference facility
conference
facility
Prior art date
Application number
CH1764666A
Other languages
English (en)
Inventor
Dieter Siebel Hans
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of CH460874A publication Critical patent/CH460874A/de

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)
CH1764666A 1965-12-10 1966-12-09 Konferenzeinrichtung für Fernsprechnebenstellenanlagen CH460874A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1965ST024743 DE1242274B (de) 1965-12-10 1965-12-10 Konferenzeinrichtung fuer Fernsprechnebenstellenanlagen

Publications (1)

Publication Number Publication Date
CH460874A true CH460874A (de) 1968-08-15

Family

ID=7460259

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1764666A CH460874A (de) 1965-12-10 1966-12-09 Konferenzeinrichtung für Fernsprechnebenstellenanlagen

Country Status (5)

Country Link
CH (1) CH460874A (de)
DE (1) DE1242274B (de)
GB (1) GB1143667A (de)
NL (1) NL6617292A (de)
SE (1) SE318624B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3037690C2 (de) * 1980-10-06 1982-12-23 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Verfahren und Schaltungsanordnung zum Aufbau von Konferenzverbindungen in einer Fernmelde-, insbesondere Fernsprechvermittlungsanlage
US4544804A (en) * 1983-01-24 1985-10-01 At&T Bell Laboratories Conference control transfer arrangement
US4540850A (en) * 1983-04-29 1985-09-10 At&T Bell Laboratories Method and apparatus for controlling a conference

Also Published As

Publication number Publication date
DE1242274B (de) 1967-06-15
SE318624B (de) 1969-12-15
NL6617292A (de) 1967-06-12
GB1143667A (de)

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