NL87872C - - Google Patents

Info

Publication number
NL87872C
NL87872C NL174690A NL174690A NL87872C NL 87872 C NL87872 C NL 87872C NL 174690 A NL174690 A NL 174690A NL 174690 A NL174690 A NL 174690A NL 87872 C NL87872 C NL 87872C
Authority
NL
Netherlands
Application number
NL174690A
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 filed Critical
Application granted granted Critical
Publication of NL87872C publication Critical patent/NL87872C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
    • 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
    • H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
    • H04M3/51—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing
    • H04M3/523—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing with call distribution or queueing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
NL174690A 1951-12-17 1952-12-17 NL87872C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE314512X 1951-12-17

Publications (1)

Publication Number Publication Date
NL87872C true NL87872C (fr) 1958-04-15

Family

ID=32327301

Family Applications (1)

Application Number Title Priority Date Filing Date
NL174690A NL87872C (fr) 1951-12-17 1952-12-17

Country Status (7)

Country Link
US (1) US2819345A (fr)
BE (1) BE516274A (fr)
CH (1) CH314512A (fr)
DE (1) DE964686C (fr)
FR (1) FR1071312A (fr)
GB (2) GB731811A (fr)
NL (1) NL87872C (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB804041A (en) * 1955-06-07 1958-11-05 British Telecomm Res Ltd Improvements in or relating to telephone systems
DE1102825B (de) * 1959-12-15 1961-03-23 Siemens Ag Schaltungsanordnung fuer indirekt gesteuerte Fernsprech-vermittlungssysteme mit Aufschaltemoeglichkeit
US3214523A (en) * 1962-03-15 1965-10-26 American Telephone & Telegraph Automatic telephone system with camp-on facilities
US3355555A (en) * 1964-07-29 1967-11-28 Bell Telephone Labor Inc Private branch telephone system with camp-on facilities
DE1245437B (de) * 1964-09-29 1967-07-27 Siemens Ag Schaltungsanordnung fuer ein nach dem Zeitmultiplexprinzip arbeitendes Vermittlungssystem mit einem Vermittlungsplatz
US3381095A (en) * 1965-01-19 1968-04-30 Bell Telephone Labor Inc Camp-on circuit
US3472968A (en) * 1965-02-11 1969-10-14 Ericsson Telefon Ab L M Connecting device for waiting in automatic telephone plants
US3553385A (en) * 1968-10-11 1971-01-05 Bell Telephone Labor Inc Queuing and automatic retry arrangements for communication systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1857833A (en) * 1928-12-20 1932-05-10 Int Standard Electric Corp Automatic or semiautomatic telephone system
US2359626A (en) * 1943-01-18 1944-10-03 Automatic Elect Lab Telephone system
GB655974A (en) * 1946-11-14 1951-08-08 Claesson Harry Elias Automatic switching arrangement

Also Published As

Publication number Publication date
US2819345A (en) 1958-01-07
DE964686C (de) 1957-05-29
GB718255A (en) 1954-11-10
FR1071312A (fr) 1954-08-30
CH314512A (de) 1956-06-15
BE516274A (fr) 1954-10-15
GB731811A (en) 1955-06-15

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