BE418622A - - Google Patents

Info

Publication number
BE418622A
BE418622A BE418622DA BE418622A BE 418622 A BE418622 A BE 418622A BE 418622D A BE418622D A BE 418622DA BE 418622 A BE418622 A BE 418622A
Authority
BE
Belgium
Prior art keywords
relay
connection
contact
subscriber
manual operation
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE418622A publication Critical patent/BE418622A/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/58Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
BE418622D BE418622A (OSRAM)

Publications (1)

Publication Number Publication Date
BE418622A true BE418622A (OSRAM)

Family

ID=81088

Family Applications (1)

Application Number Title Priority Date Filing Date
BE418622D BE418622A (OSRAM)

Country Status (1)

Country Link
BE (1) BE418622A (OSRAM)

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