AU497812B2 - Digital telephone exchange conference circuit - Google Patents

Digital telephone exchange conference circuit

Info

Publication number
AU497812B2
AU497812B2 AU16365/76A AU1636576A AU497812B2 AU 497812 B2 AU497812 B2 AU 497812B2 AU 16365/76 A AU16365/76 A AU 16365/76A AU 1636576 A AU1636576 A AU 1636576A AU 497812 B2 AU497812 B2 AU 497812B2
Authority
AU
Australia
Prior art keywords
telephone exchange
digital telephone
conference circuit
exchange conference
circuit
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
AU16365/76A
Other languages
English (en)
Other versions
AU1636576A (en
Inventor
A. & Valsecchi G Bovo
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.)
Italtel SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
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 Societa Italiana Telecomunicazioni Siemens SpA filed Critical Societa Italiana Telecomunicazioni Siemens SpA
Publication of AU1636576A publication Critical patent/AU1636576A/en
Application granted granted Critical
Publication of AU497812B2 publication Critical patent/AU497812B2/en
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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Complex Calculations (AREA)
AU16365/76A 1975-07-31 1976-07-29 Digital telephone exchange conference circuit Expired AU497812B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITIT25950A/ 1975-07-31
IT25950/75A IT1040208B (it) 1975-07-31 1975-07-31 Circuito cnferenza per centrali telefonische di commutazione di tipo numperico

Publications (2)

Publication Number Publication Date
AU1636576A AU1636576A (en) 1978-02-02
AU497812B2 true AU497812B2 (en) 1979-01-11

Family

ID=11218237

Family Applications (1)

Application Number Title Priority Date Filing Date
AU16365/76A Expired AU497812B2 (en) 1975-07-31 1976-07-29 Digital telephone exchange conference circuit

Country Status (12)

Country Link
JP (1) JPS5218108A (es)
AR (1) AR209981A1 (es)
AU (1) AU497812B2 (es)
BR (1) BR7604885A (es)
DE (1) DE2634345A1 (es)
FR (1) FR2320015A1 (es)
GB (1) GB1528240A (es)
IN (1) IN143837B (es)
IT (1) IT1040208B (es)
NL (1) NL7608295A (es)
SE (1) SE7608445L (es)
TR (1) TR19323A (es)

Families Citing this family (8)

* 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
USRE31651E (en) * 1977-10-12 1984-08-21 Bell Telephone Laboratories, Incorporated Communication system using intelligent network processor
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
GB2103848B (en) * 1981-08-20 1985-04-11 Standard Telephones Cables Ltd Pcm system
FR2524750A1 (fr) * 1982-03-30 1983-10-07 Telecommunications Sa Systeme de visioconference multisalle
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

Also Published As

Publication number Publication date
AR209981A1 (es) 1977-06-15
FR2320015A1 (fr) 1977-02-25
BR7604885A (pt) 1977-08-09
GB1528240A (en) 1978-10-11
IN143837B (es) 1978-02-11
JPS5218108A (en) 1977-02-10
FR2320015B1 (es) 1981-09-25
TR19323A (tr) 1978-11-28
SE7608445L (sv) 1977-05-09
IT1040208B (it) 1979-12-20
NL7608295A (nl) 1977-02-02
DE2634345A1 (de) 1977-02-17
AU1636576A (en) 1978-02-02

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