BE528427A - - Google Patents

Info

Publication number
BE528427A
BE528427A BE528427DA BE528427A BE 528427 A BE528427 A BE 528427A BE 528427D A BE528427D A BE 528427DA BE 528427 A BE528427 A BE 528427A
Authority
BE
Belgium
Prior art keywords
relay
subscriber
current
connection
selection
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE528427A publication Critical patent/BE528427A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/64Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65Recording arrangements for recording a message from the calling party

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
BE528427D BE528427A (cs)

Publications (1)

Publication Number Publication Date
BE528427A true BE528427A (cs)

Family

ID=161741

Family Applications (1)

Application Number Title Priority Date Filing Date
BE528427D BE528427A (cs)

Country Status (1)

Country Link
BE (1) BE528427A (cs)

Similar Documents

Publication Publication Date Title
BE528427A (cs)
US1367705A (en) Automatic telephone system
BE383636A (cs)
BE354594A (cs)
FR2681208A1 (fr) Installation d'interphone avec un poste de porte et avec au moins un poste vocal interieur.
BE363268A (cs)
BE417423A (cs)
BE380134A (cs)
BE353818A (cs)
BE382658A (cs)
BE391036A (cs)
BE474588A (cs)
BE473923A (cs)
BE384554A (cs)
BE416698A (cs)
BE400690A (cs)
BE372233A (cs)
BE377113A (cs)
BE516205A (cs)
CH120389A (fr) Installation téléphonique permettant la taxation de connexions de différentes valeurs.
BE410069A (cs)
BE341574A (cs)
BE335636A (cs)
CH135611A (fr) Installation téléphonique.
BE446545A (cs)