BE635242A - - Google Patents

Info

Publication number
BE635242A
BE635242A BE635242DA BE635242A BE 635242 A BE635242 A BE 635242A BE 635242D A BE635242D A BE 635242DA BE 635242 A BE635242 A BE 635242A
Authority
BE
Belgium
Prior art keywords
telephone
contact
call
relay
switch
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE635242A publication Critical patent/BE635242A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/002Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
BE635242D BE635242A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE635242A true BE635242A (enrdf_load_stackoverflow)

Family

ID=201860

Family Applications (1)

Application Number Title Priority Date Filing Date
BE635242D BE635242A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE635242A (enrdf_load_stackoverflow)

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