IT991602B - Perfezionamenti ai tavoli per ope ratori telefonici - Google Patents

Perfezionamenti ai tavoli per ope ratori telefonici

Info

Publication number
IT991602B
IT991602B IT6853173A IT6853173A IT991602B IT 991602 B IT991602 B IT 991602B IT 6853173 A IT6853173 A IT 6853173A IT 6853173 A IT6853173 A IT 6853173A IT 991602 B IT991602 B IT 991602B
Authority
IT
Italy
Prior art keywords
tables
telephone operators
operators
telephone
Prior art date
Application number
IT6853173A
Other languages
English (en)
Inventor
Bertoglio Ottavio
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Priority to IT6853173A priority Critical patent/IT991602B/it
Priority to BE142556A priority patent/BE812958A/xx
Priority to CH592974A priority patent/CH574193A5/xx
Priority to GB2329174A priority patent/GB1467984A/en
Priority to DE19742425263 priority patent/DE2425263C3/de
Application granted granted Critical
Publication of IT991602B publication Critical patent/IT991602B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/36—Statistical metering, e.g. recording occasions when traffic exceeds capacity of trunks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Selective Calling Equipment (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
IT6853173A 1973-05-25 1973-05-25 Perfezionamenti ai tavoli per ope ratori telefonici IT991602B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT6853173A IT991602B (it) 1973-05-25 1973-05-25 Perfezionamenti ai tavoli per ope ratori telefonici
BE142556A BE812958A (fr) 1973-05-25 1974-03-28 Perfectionnements aux pupitres de commutation pour operatrices telephoniques
CH592974A CH574193A5 (it) 1973-05-25 1974-04-30
GB2329174A GB1467984A (en) 1973-05-25 1974-05-24 Switchboards
DE19742425263 DE2425263C3 (de) 1973-05-25 1974-05-24 Schaltungsanordnung für den handvermittelten Fernsprechdienst zur Gebührendaten-Übertragung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT6853173A IT991602B (it) 1973-05-25 1973-05-25 Perfezionamenti ai tavoli per ope ratori telefonici

Publications (1)

Publication Number Publication Date
IT991602B true IT991602B (it) 1975-08-30

Family

ID=11309736

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6853173A IT991602B (it) 1973-05-25 1973-05-25 Perfezionamenti ai tavoli per ope ratori telefonici

Country Status (4)

Country Link
BE (1) BE812958A (it)
CH (1) CH574193A5 (it)
GB (1) GB1467984A (it)
IT (1) IT991602B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1091354B (it) * 1977-10-21 1985-07-06 Cselt Centro Studi Lab Telecom Identificatore per tavoli di commutazione manuale con servizio di conferenza

Also Published As

Publication number Publication date
DE2425263A1 (de) 1974-12-12
GB1467984A (en) 1977-03-23
BE812958A (fr) 1974-07-15
DE2425263B2 (de) 1975-12-18
CH574193A5 (it) 1976-03-31

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