BE425222A - - Google Patents

Info

Publication number
BE425222A
BE425222A BE425222DA BE425222A BE 425222 A BE425222 A BE 425222A BE 425222D A BE425222D A BE 425222DA BE 425222 A BE425222 A BE 425222A
Authority
BE
Belgium
Prior art keywords
relay
signaling system
contact
credit
electrical signaling
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE425222A publication Critical patent/BE425222A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/487—Arrangements for providing information services, e.g. recorded voice services or time announcements
    • H04M3/493—Interactive information services, e.g. directory enquiries ; Arrangements therefor, e.g. interactive voice response [IVR] systems or voice portals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
BE425222D BE425222A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Publications (1)

Publication Number Publication Date
BE425222A true BE425222A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Family

ID=86269

Family Applications (1)

Application Number Title Priority Date Filing Date
BE425222D BE425222A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Country Status (1)

Country Link
BE (1) BE425222A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

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