BR7604885A - Circuito para conferencias para centrais telefonicas - Google Patents

Circuito para conferencias para centrais telefonicas

Info

Publication number
BR7604885A
BR7604885A BR7604885A BR7604885A BR7604885A BR 7604885 A BR7604885 A BR 7604885A BR 7604885 A BR7604885 A BR 7604885A BR 7604885 A BR7604885 A BR 7604885A BR 7604885 A BR7604885 A BR 7604885A
Authority
BR
Brazil
Prior art keywords
conferences
circuit
telephone centers
centers
telephone
Prior art date
Application number
BR7604885A
Other languages
English (en)
Portuguese (pt)
Inventor
A Valsecchi
Original Assignee
Sits Soc It Telecom Siemens
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 Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Publication of BR7604885A publication Critical patent/BR7604885A/pt

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
BR7604885A 1975-07-31 1976-07-28 Circuito para conferencias para centrais telefonicas BR7604885A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR7604885A true BR7604885A (pt) 1977-08-09

Family

ID=11218237

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7604885A BR7604885A (pt) 1975-07-31 1976-07-28 Circuito para conferencias para centrais telefonicas

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
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
AU497812B2 (en) 1979-01-11
IT1040208B (it) 1979-12-20
NL7608295A (nl) 1977-02-02
DE2634345A1 (de) 1977-02-17
AU1636576A (en) 1978-02-02

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