IT8223952A0 - Disposizione per chiamate telefoniche speciali multiple. - Google Patents

Disposizione per chiamate telefoniche speciali multiple.

Info

Publication number
IT8223952A0
IT8223952A0 IT8223952A IT2395282A IT8223952A0 IT 8223952 A0 IT8223952 A0 IT 8223952A0 IT 8223952 A IT8223952 A IT 8223952A IT 2395282 A IT2395282 A IT 2395282A IT 8223952 A0 IT8223952 A0 IT 8223952A0
Authority
IT
Italy
Prior art keywords
provision
telephone calls
multiple special
special telephone
calls
Prior art date
Application number
IT8223952A
Other languages
English (en)
Other versions
IT1153593B (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 IT8223952A0 publication Critical patent/IT8223952A0/it
Application granted granted Critical
Publication of IT1153593B publication Critical patent/IT1153593B/it

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
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2203/00—Aspects of automatic or semi-automatic exchanges
    • H04M2203/50—Aspects of automatic or semi-automatic exchanges related to audio conference
    • H04M2203/5009—Adding a party to an existing conference
    • 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
    • H04M3/428—Arrangements for placing incoming calls on hold
    • H04M3/4288—Notifying a called subscriber of an incoming call during an ongoing call, e.g. Call Waiting

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
IT23952/82A 1981-10-29 1982-10-27 Disposizione per chiamate telefoniche speciali multiple IT1153593B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31625481A 1981-10-29 1981-10-29

Publications (2)

Publication Number Publication Date
IT8223952A0 true IT8223952A0 (it) 1982-10-27
IT1153593B IT1153593B (it) 1987-01-14

Family

ID=23228251

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23952/82A IT1153593B (it) 1981-10-29 1982-10-27 Disposizione per chiamate telefoniche speciali multiple

Country Status (4)

Country Link
JP (1) JPS5884564A (it)
BE (1) BE894839A (it)
CA (1) CA1190633A (it)
IT (1) IT1153593B (it)

Also Published As

Publication number Publication date
JPS5884564A (ja) 1983-05-20
CA1190633A (en) 1985-07-16
BE894839A (fr) 1983-02-14
IT1153593B (it) 1987-01-14

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