AT314622B - Circuit arrangement for establishing conference connections in a PCM telecommunications, in particular telephone exchange - Google Patents

Circuit arrangement for establishing conference connections in a PCM telecommunications, in particular telephone exchange

Info

Publication number
AT314622B
AT314622B AT822771A AT822771A AT314622B AT 314622 B AT314622 B AT 314622B AT 822771 A AT822771 A AT 822771A AT 822771 A AT822771 A AT 822771A AT 314622 B AT314622 B AT 314622B
Authority
AT
Austria
Prior art keywords
circuit arrangement
telephone exchange
particular telephone
conference connections
establishing conference
Prior art date
Application number
AT822771A
Other languages
German (de)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of AT314622B publication Critical patent/AT314622B/en

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)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Time-Division Multiplex Systems (AREA)
AT822771A 1970-09-30 1971-09-22 Circuit arrangement for establishing conference connections in a PCM telecommunications, in particular telephone exchange AT314622B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702048198 DE2048198C2 (en) 1970-09-30 1970-09-30 Circuit arrangement for establishing conference connections in a PCM telecommunications, in particular telephone exchange

Publications (1)

Publication Number Publication Date
AT314622B true AT314622B (en) 1974-04-10

Family

ID=5783876

Family Applications (1)

Application Number Title Priority Date Filing Date
AT822771A AT314622B (en) 1970-09-30 1971-09-22 Circuit arrangement for establishing conference connections in a PCM telecommunications, in particular telephone exchange

Country Status (9)

Country Link
AT (1) AT314622B (en)
BE (1) BE773329A (en)
CH (1) CH548716A (en)
DE (1) DE2048198C2 (en)
FR (1) FR2108669A5 (en)
GB (1) GB1336815A (en)
LU (1) LU63973A1 (en)
NL (1) NL7113445A (en)
SE (1) SE366452B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1027265A (en) * 1975-04-23 1978-02-28 Alan S.J. Chapman Method and apparatus for establishing a plurality of simultaneous conferences in a pcm switching system
GB8324058D0 (en) * 1983-09-08 1983-10-12 Plessey Co Plc Conference bridge circuit arrangement

Also Published As

Publication number Publication date
NL7113445A (en) 1972-04-05
DE2048198A1 (en) 1972-05-04
GB1336815A (en) 1973-11-14
DE2048198C2 (en) 1975-10-09
DE2048198B2 (en) 1972-05-04
FR2108669A5 (en) 1972-05-19
CH548716A (en) 1974-04-30
BE773329A (en) 1972-03-30
LU63973A1 (en) 1972-03-01
SE366452B (en) 1974-04-22

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee