FR7998E - - Google Patents

Info

Publication number
FR7998E
FR7998E FR7998DA FR7998E FR 7998 E FR7998 E FR 7998E FR 7998D A FR7998D A FR 7998DA FR 7998 E FR7998 E FR 7998E
Authority
FR
France
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.)
Active
Application number
Publication of FR7998E publication Critical patent/FR7998E/fr
Active legal-status Critical Current

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
    • H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
    • H04M15/30—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal the meter or calculation of charges not being controlled from an exchange
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/08—Indicating faults in circuits or apparatus
    • H04M3/12—Marking faulty circuits "busy"; Enabling equipment to disengage itself from faulty circuits ; Using redundant circuits; Response of a circuit, apparatus or system to an error

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR7998D Active FR7998E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7998T

Publications (1)

Publication Number Publication Date
FR7998E true FR7998E (fr)

Family

ID=8619127

Family Applications (2)

Application Number Title Priority Date Filing Date
FR7998D Active FR7998E (fr)
FR374352A Expired FR374352A (fr) 1907-02-06 Système de compteur enregistreur téléphonique semi-automatique et chrono-électrique à inscription visible

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR374352A Expired FR374352A (fr) 1907-02-06 Système de compteur enregistreur téléphonique semi-automatique et chrono-électrique à inscription visible

Country Status (1)

Country Link
FR (2) FR374352A (fr)

Also Published As

Publication number Publication date
FR374352A (fr) 1907-06-11

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Publication Publication Date Title
FR7998E (fr)