FR1110809A - Circuits for the telephone service of absent subscribers - Google Patents

Circuits for the telephone service of absent subscribers

Info

Publication number
FR1110809A
FR1110809A FR1110809DA FR1110809A FR 1110809 A FR1110809 A FR 1110809A FR 1110809D A FR1110809D A FR 1110809DA FR 1110809 A FR1110809 A FR 1110809A
Authority
FR
France
Prior art keywords
circuits
telephone service
subscribers
absent
absent subscribers
Prior art date
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Marcel-Roger Mauge
Louis-Charles Andres
Paul Baudry
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR1110809A publication Critical patent/FR1110809A/en
Expired legal-status Critical Current

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
    • H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
    • H04M3/51—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing

Landscapes

  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR1110809D 1954-07-16 1954-07-16 Circuits for the telephone service of absent subscribers Expired FR1110809A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1110809T 1954-07-16

Publications (1)

Publication Number Publication Date
FR1110809A true FR1110809A (en) 1956-02-17

Family

ID=9626399

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1110809D Expired FR1110809A (en) 1954-07-16 1954-07-16 Circuits for the telephone service of absent subscribers

Country Status (1)

Country Link
FR (1) FR1110809A (en)

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