CA1190633A - Dispositif pour appels specifiques multiples - Google Patents

Dispositif pour appels specifiques multiples

Info

Publication number
CA1190633A
CA1190633A CA000413621A CA413621A CA1190633A CA 1190633 A CA1190633 A CA 1190633A CA 000413621 A CA000413621 A CA 000413621A CA 413621 A CA413621 A CA 413621A CA 1190633 A CA1190633 A CA 1190633A
Authority
CA
Canada
Prior art keywords
subscriber
custom calling
call
telephone
custom
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
CA000413621A
Other languages
English (en)
Inventor
Robert C. Webber
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.)
GTE Communication Systems Corp
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
Application granted granted Critical
Publication of CA1190633A publication Critical patent/CA1190633A/fr
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
    • 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)
CA000413621A 1981-10-29 1982-10-18 Dispositif pour appels specifiques multiples Expired CA1190633A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US31625481A 1981-10-29 1981-10-29
US316,254 1989-02-27

Publications (1)

Publication Number Publication Date
CA1190633A true CA1190633A (fr) 1985-07-16

Family

ID=23228251

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000413621A Expired CA1190633A (fr) 1981-10-29 1982-10-18 Dispositif pour appels specifiques multiples

Country Status (4)

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

Also Published As

Publication number Publication date
IT8223952A0 (it) 1982-10-27
JPS5884564A (ja) 1983-05-20
IT1153593B (it) 1987-01-14
IT8223952A1 (it) 1984-04-27
BE894839A (fr) 1983-02-14

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Legal Events

Date Code Title Description
MKEC Expiry (correction)
MKEX Expiry