FR2271723A1 - Unanswered caller telephone number storage system - has command code transmitter and memory register at extension - Google Patents

Unanswered caller telephone number storage system - has command code transmitter and memory register at extension

Info

Publication number
FR2271723A1
FR2271723A1 FR7417742A FR7417742A FR2271723A1 FR 2271723 A1 FR2271723 A1 FR 2271723A1 FR 7417742 A FR7417742 A FR 7417742A FR 7417742 A FR7417742 A FR 7417742A FR 2271723 A1 FR2271723 A1 FR 2271723A1
Authority
FR
France
Prior art keywords
extension
register
storage system
telephone number
number storage
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.)
Granted
Application number
FR7417742A
Other languages
English (en)
French (fr)
Other versions
FR2271723B1 (enExample
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.)
Compagnie IBM France SAS
Original Assignee
Compagnie IBM France SAS
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 Compagnie IBM France SAS filed Critical Compagnie IBM France SAS
Priority to FR7417742A priority Critical patent/FR2271723A1/fr
Publication of FR2271723A1 publication Critical patent/FR2271723A1/fr
Application granted granted Critical
Publication of FR2271723B1 publication Critical patent/FR2271723B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
FR7417742A 1974-05-15 1974-05-15 Unanswered caller telephone number storage system - has command code transmitter and memory register at extension Granted FR2271723A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7417742A FR2271723A1 (en) 1974-05-15 1974-05-15 Unanswered caller telephone number storage system - has command code transmitter and memory register at extension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7417742A FR2271723A1 (en) 1974-05-15 1974-05-15 Unanswered caller telephone number storage system - has command code transmitter and memory register at extension

Publications (2)

Publication Number Publication Date
FR2271723A1 true FR2271723A1 (en) 1975-12-12
FR2271723B1 FR2271723B1 (enExample) 1977-03-11

Family

ID=9139138

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7417742A Granted FR2271723A1 (en) 1974-05-15 1974-05-15 Unanswered caller telephone number storage system - has command code transmitter and memory register at extension

Country Status (1)

Country Link
FR (1) FR2271723A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443664A (en) * 1982-07-02 1984-04-17 Rca Corporation Telephone station incorporating exchange message system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443664A (en) * 1982-07-02 1984-04-17 Rca Corporation Telephone station incorporating exchange message system

Also Published As

Publication number Publication date
FR2271723B1 (enExample) 1977-03-11

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Legal Events

Date Code Title Description
ST Notification of lapse