GB250304A - Improvements in or relating to telephone exchange systems - Google Patents

Improvements in or relating to telephone exchange systems

Info

Publication number
GB250304A
GB250304A GB5925A GB5925A GB250304A GB 250304 A GB250304 A GB 250304A GB 5925 A GB5925 A GB 5925A GB 5925 A GB5925 A GB 5925A GB 250304 A GB250304 A GB 250304A
Authority
GB
United Kingdom
Prior art keywords
relay
line
reserve
lines
toll
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
GB5925A
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.)
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
Priority to FR597657D priority Critical patent/FR597657A/fr
Application filed by Individual filed Critical Individual
Priority to GB5925A priority patent/GB250304A/en
Publication of GB250304A publication Critical patent/GB250304A/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)
  • Exchange Systems With Centralized Control (AREA)
GB5925A 1925-01-01 1925-01-01 Improvements in or relating to telephone exchange systems Expired GB250304A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR597657D FR597657A (enrdf_load_stackoverflow) 1925-01-01
GB5925A GB250304A (en) 1925-01-01 1925-01-01 Improvements in or relating to telephone exchange systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5925A GB250304A (en) 1925-01-01 1925-01-01 Improvements in or relating to telephone exchange systems

Publications (1)

Publication Number Publication Date
GB250304A true GB250304A (en) 1926-04-01

Family

ID=9697665

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5925A Expired GB250304A (en) 1925-01-01 1925-01-01 Improvements in or relating to telephone exchange systems

Country Status (2)

Country Link
FR (1) FR597657A (enrdf_load_stackoverflow)
GB (1) GB250304A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR597657A (enrdf_load_stackoverflow) 1925-11-26

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