FR472948A - Central telephone system - Google Patents

Central telephone system

Info

Publication number
FR472948A
FR472948A FR472948A FR472948DA FR472948A FR 472948 A FR472948 A FR 472948A FR 472948 A FR472948 A FR 472948A FR 472948D A FR472948D A FR 472948DA FR 472948 A FR472948 A FR 472948A
Authority
FR
France
Prior art keywords
telephone system
central telephone
central
telephone
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
FR472948A
Other languages
French (fr)
Inventor
Elmer Reed Corwin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR472948A publication Critical patent/FR472948A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/50Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
    • H04M3/51Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing
    • H04M3/523Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing with call distribution or queueing

Landscapes

  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
FR472948A 1913-04-15 1913-08-26 Central telephone system Expired FR472948A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191308831T 1913-04-15

Publications (1)

Publication Number Publication Date
FR472948A true FR472948A (en) 1914-12-24

Family

ID=32578688

Family Applications (1)

Application Number Title Priority Date Filing Date
FR472948A Expired FR472948A (en) 1913-04-15 1913-08-26 Central telephone system

Country Status (2)

Country Link
FR (1) FR472948A (en)
GB (1) GB191308831A (en)

Also Published As

Publication number Publication date
GB191308831A (en) 1914-04-15

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