[go: up one dir, main page]

FR817051A - Improvements to automatic or manual telephone systems or similar systems - Google Patents

Improvements to automatic or manual telephone systems or similar systems

Info

Publication number
FR817051A
FR817051A FR817051DA FR817051A FR 817051 A FR817051 A FR 817051A FR 817051D A FR817051D A FR 817051DA FR 817051 A FR817051 A FR 817051A
Authority
FR
France
Prior art keywords
systems
automatic
manual telephone
similar
telephone systems
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)
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 FR817051A publication Critical patent/FR817051A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/50Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
    • H04M3/51Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing
    • H04M3/523Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing with call distribution or queueing

Landscapes

  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
FR817051D 1936-04-25 1936-04-25 Improvements to automatic or manual telephone systems or similar systems Expired FR817051A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR817051T 1936-04-25

Publications (1)

Publication Number Publication Date
FR817051A true FR817051A (en) 1937-08-25

Family

ID=9268103

Family Applications (1)

Application Number Title Priority Date Filing Date
FR817051D Expired FR817051A (en) 1936-04-25 1936-04-25 Improvements to automatic or manual telephone systems or similar systems

Country Status (2)

Country Link
US (1) US2155933A (en)
FR (1) FR817051A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2857472A (en) * 1954-05-14 1958-10-21 Itt Call-distributing telephone system
US2807673A (en) * 1954-10-27 1957-09-24 Gen Dynamics Corp Special service trunk circuit

Also Published As

Publication number Publication date
US2155933A (en) 1939-04-25

Similar Documents

Publication Publication Date Title
FR824786A (en) Improvements to ventilation systems
FR817051A (en) Improvements to automatic or manual telephone systems or similar systems
FR827166A (en) Improvements to automatic telephone systems
FR771800A (en) Improvements to telecommunication systems
FR786377A (en) Improvements to automatic or semi-automatic telephone systems
FR811704A (en) Improvements to automatic or similar telephone systems
FR807879A (en) Improvements to automatic or semi-automatic telephone systems or similar systems
FR819791A (en) Improvements to telephone systems
FR795587A (en) Improvements to telephone or similar systems
FR817682A (en) Improvements to automatic or similar telephone systems
FR807654A (en) Improvements to telephone or similar systems
FR761926A (en) Improvements to telephone systems
FR753279A (en) Improvements to automatic telephone systems
FR768987A (en) Improvements to automatic telephone systems
FR827382A (en) Improvements to television systems
FR806425A (en) Improvements to automatic or semi-automatic telephone systems or similar systems
FR803168A (en) Improvements to telephone systems
FR816805A (en) Improvements to telephone systems
FR814686A (en) Improvements to telephone transmission systems
FR819002A (en) Improvements to transmission systems
FR799654A (en) Improvements to automatic telephone systems
FR799145A (en) Improvements to automatic telephone systems
FR798788A (en) Improvements to automatic or semi-automatic telephone systems
FR784148A (en) Improvements to automatic or semi-automatic systems or similar systems
FR779660A (en) Improvements to telephone systems or similar systems