GB191022013A - Improvements in Telephone Exchange Circuits. - Google Patents

Improvements in Telephone Exchange Circuits.

Info

Publication number
GB191022013A
GB191022013A GB191022013DA GB191022013A GB 191022013 A GB191022013 A GB 191022013A GB 191022013D A GB191022013D A GB 191022013DA GB 191022013 A GB191022013 A GB 191022013A
Authority
GB
United Kingdom
Prior art keywords
operator
circuit
line
selector
relay
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
Other languages
English (en)
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of GB191022013A publication Critical patent/GB191022013A/en
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
    • H04M3/50—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

  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Exchange Systems With Centralized Control (AREA)
GB191022013D 1910-01-29 1910-09-22 Improvements in Telephone Exchange Circuits. Expired GB191022013A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE191022013X 1910-01-29
DE191402211X 1913-01-28

Publications (1)

Publication Number Publication Date
GB191022013A true GB191022013A (en) 1911-06-01

Family

ID=32852097

Family Applications (2)

Application Number Title Priority Date Filing Date
GB191022013D Expired GB191022013A (en) 1910-01-29 1910-09-22 Improvements in Telephone Exchange Circuits.
GB191402211D Expired GB191402211A (en) 1910-01-29 1914-01-27 Improved Circuit Arrangements for Telephone Systems.

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB191402211D Expired GB191402211A (en) 1910-01-29 1914-01-27 Improved Circuit Arrangements for Telephone Systems.

Country Status (2)

Country Link
DE (8) DE276772C (enrdf_load_stackoverflow)
GB (2) GB191022013A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
DE287116C (enrdf_load_stackoverflow)
GB191402211A (en) 1914-04-09
DE276772C (enrdf_load_stackoverflow)
DE269242C (enrdf_load_stackoverflow)
DE276771C (enrdf_load_stackoverflow)
DE278500C (enrdf_load_stackoverflow)
DE234013C (enrdf_load_stackoverflow)
DE273767C (enrdf_load_stackoverflow)
DE259488C (enrdf_load_stackoverflow)

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