BE812958A - Perfectionnements aux pupitres de commutation pour operatrices telephoniques - Google Patents

Perfectionnements aux pupitres de commutation pour operatrices telephoniques

Info

Publication number
BE812958A
BE812958A BE142556A BE142556A BE812958A BE 812958 A BE812958 A BE 812958A BE 142556 A BE142556 A BE 142556A BE 142556 A BE142556 A BE 142556A BE 812958 A BE812958 A BE 812958A
Authority
BE
Belgium
Prior art keywords
desks
upgrades
switching
telephone operators
operators
Prior art date
Application number
BE142556A
Other languages
English (en)
French (fr)
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
Publication of BE812958A publication Critical patent/BE812958A/xx

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)
BE142556A 1973-05-25 1974-03-28 Perfectionnements aux pupitres de commutation pour operatrices telephoniques BE812958A (fr)

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
BE812958A true BE812958A (fr) 1974-07-15

Family

ID=11309736

Family Applications (1)

Application Number Title Priority Date Filing Date
BE142556A BE812958A (fr) 1973-05-25 1974-03-28 Perfectionnements aux pupitres de commutation pour operatrices telephoniques

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
IT991602B (it) 1975-08-30
GB1467984A (en) 1977-03-23
DE2425263B2 (de) 1975-12-18
CH574193A5 (it) 1976-03-31

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CSELT CENTRO STUDI E LABORATORI TELECOMMICAZIONI

Effective date: 19870331