IT8223975A0 - Disposizione per chiamate telefoniche speciali multiple. - Google Patents

Disposizione per chiamate telefoniche speciali multiple.

Info

Publication number
IT8223975A0
IT8223975A0 IT8223975A IT2397582A IT8223975A0 IT 8223975 A0 IT8223975 A0 IT 8223975A0 IT 8223975 A IT8223975 A IT 8223975A IT 2397582 A IT2397582 A IT 2397582A IT 8223975 A0 IT8223975 A0 IT 8223975A0
Authority
IT
Italy
Prior art keywords
provision
telephone calls
multiple special
special telephone
calls
Prior art date
Application number
IT8223975A
Other languages
English (en)
Other versions
IT1200022B (it
Inventor
Robert C Webber
Original Assignee
Gte Automatic Electric Inc
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 Gte Automatic Electric Inc filed Critical Gte Automatic Electric Inc
Publication of IT8223975A0 publication Critical patent/IT8223975A0/it
Application granted granted Critical
Publication of IT1200022B publication Critical patent/IT1200022B/it

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/04Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/06Time-space-time switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Telephonic Communication Services (AREA)
IT23975/82A 1981-10-29 1982-10-28 Disposizione per chiamate telefoniche speciali multiple IT1200022B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/316,268 US4446553A (en) 1981-10-29 1981-10-29 Arrangement for multiple custom calling

Publications (2)

Publication Number Publication Date
IT8223975A0 true IT8223975A0 (it) 1982-10-28
IT1200022B IT1200022B (it) 1989-01-05

Family

ID=23228315

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23975/82A IT1200022B (it) 1981-10-29 1982-10-28 Disposizione per chiamate telefoniche speciali multiple

Country Status (5)

Country Link
US (1) US4446553A (it)
JP (1) JPS5884567A (it)
BE (1) BE894841A (it)
CA (1) CA1184638A (it)
IT (1) IT1200022B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4783796A (en) * 1982-09-28 1988-11-08 Opcom PBX telephone call control system
US4584680A (en) * 1982-11-30 1986-04-22 Itt Corporation Use of a tone bus to provide polling and data distribution apparatus for communication system terminal groups
JPS6165654A (ja) * 1984-09-07 1986-04-04 Nippo Tsushin Kogyo Kk 自動電話交換方式
US4907260A (en) * 1987-10-05 1990-03-06 Ambassador College Telephone line communications control system
US5267305A (en) * 1987-10-05 1993-11-30 Ambassador College Transparent inband signaling
US5067149A (en) * 1987-10-05 1991-11-19 Ambassador College Telephone line communications control system with dynamic call streaming
WO1992015166A1 (en) * 1991-02-21 1992-09-03 Vmx, Inc. Integrated application controlled call processing and messaging system
US5619561A (en) * 1995-06-22 1997-04-08 Reese; Morris Call-waiting and caller identification with three-way conversations arrangements

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL297472A (it) * 1962-09-04
DE1197132B (de) * 1964-01-28 1965-07-22 Siemens Ag Schaltungsanordnung fuer ein nach dem Zeit-multiplexprinzip arbeitendes Vermittlungs-system, insbesondere Nebenstellen-vermittlungssystem
US3997731A (en) * 1975-04-14 1976-12-14 International Telephone And Telegraph Corporation Apparatus for custom calling features in a telephone system
JPS5220712A (en) * 1975-08-11 1977-02-16 Meisei Electric Co Ltd Call waiting system
US3967070A (en) * 1975-08-21 1976-06-29 Gte Automatic Electric Laboratories Incorporated Memory operation for 3-way communications
JPS5256063A (en) * 1976-10-29 1977-05-09 Matsushita Electric Works Ltd Method of producing metal moldings from steel plate

Also Published As

Publication number Publication date
BE894841A (fr) 1983-02-14
US4446553A (en) 1984-05-01
CA1184638A (en) 1985-03-26
JPS5884567A (ja) 1983-05-20
IT1200022B (it) 1989-01-05

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