JPS6433254U - - Google Patents

Info

Publication number
JPS6433254U
JPS6433254U JP12745287U JP12745287U JPS6433254U JP S6433254 U JPS6433254 U JP S6433254U JP 12745287 U JP12745287 U JP 12745287U JP 12745287 U JP12745287 U JP 12745287U JP S6433254 U JPS6433254 U JP S6433254U
Authority
JP
Japan
Prior art keywords
voice message
doorphone
busy
call
standard telephone
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.)
Pending
Application number
JP12745287U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP12745287U priority Critical patent/JPS6433254U/ja
Publication of JPS6433254U publication Critical patent/JPS6433254U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP12745287U 1987-08-24 1987-08-24 Pending JPS6433254U (el)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12745287U JPS6433254U (el) 1987-08-24 1987-08-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12745287U JPS6433254U (el) 1987-08-24 1987-08-24

Publications (1)

Publication Number Publication Date
JPS6433254U true JPS6433254U (el) 1989-03-01

Family

ID=31379898

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12745287U Pending JPS6433254U (el) 1987-08-24 1987-08-24

Country Status (1)

Country Link
JP (1) JPS6433254U (el)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61245787A (ja) * 1985-04-24 1986-11-01 Nec Corp 自動応答ドアホン装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61245787A (ja) * 1985-04-24 1986-11-01 Nec Corp 自動応答ドアホン装置

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