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FR928730A - Systèmes téléphoniques - Google Patents

Systèmes téléphoniques

Info

Publication number
FR928730A
FR928730A FR928730DA FR928730A FR 928730 A FR928730 A FR 928730A FR 928730D A FR928730D A FR 928730DA FR 928730 A FR928730 A FR 928730A
Authority
FR
France
Prior art keywords
telephone systems
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
English (en)
Inventor
Gerald Deakin
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR928730A publication Critical patent/FR928730A/fr
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
    • H04M3/53—Centralised arrangements for recording incoming messages, i.e. mailbox systems
    • H04M3/533—Voice mail systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party
    • 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
    • H04M3/54—Arrangements for diverting calls for one subscriber to another predetermined subscriber

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR928730D 1943-06-07 1946-04-08 Systèmes téléphoniques Expired FR928730A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US276282XA 1943-06-07 1943-06-07

Publications (1)

Publication Number Publication Date
FR928730A true FR928730A (fr) 1947-12-05

Family

ID=21838823

Family Applications (1)

Application Number Title Priority Date Filing Date
FR928730D Expired FR928730A (fr) 1943-06-07 1946-04-08 Systèmes téléphoniques

Country Status (2)

Country Link
CH (1) CH276282A (fr)
FR (1) FR928730A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1003282B (de) * 1954-07-16 1957-02-28 Int Standard Electric Corp Schaltungsanordnung fuer Fernmeldeanlagen, insbesondere Fernsprechanlagen
DE970177C (de) * 1955-04-24 1958-09-04 Allg Telefon Fabrik G M B H Verfahren zur Vornahme von zeitweisen Umschaltungen an Teilnehmerschaltwegen in Fernmeldevermittlungsstellen
DE1007381B (de) * 1955-12-13 1957-05-02 Siemens Ag Schaltungsanordnungen fuer Fernmelde-, insbesondere Fernsprechanlagen zur Anschaltung eines Fernsprechauftragsdienstes
DE1010578B (de) * 1956-04-30 1957-06-19 Deutsche Bundespost Schaltungsanordnung fuer Fernmeldeanlagen mit Waehlbetrieb, mit deren Hilfe von beliebigen Stellen aus bestimmte zugeordnete Stellen angewaehlt werden koennen

Also Published As

Publication number Publication date
CH276282A (de) 1951-06-30

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