JPS6410798A - Communication control equipment - Google Patents

Communication control equipment

Info

Publication number
JPS6410798A
JPS6410798A JP16405787A JP16405787A JPS6410798A JP S6410798 A JPS6410798 A JP S6410798A JP 16405787 A JP16405787 A JP 16405787A JP 16405787 A JP16405787 A JP 16405787A JP S6410798 A JPS6410798 A JP S6410798A
Authority
JP
Japan
Prior art keywords
line wire
empty
extension communication
call
regulating
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
JP16405787A
Other languages
Japanese (ja)
Inventor
Kuniaki Otsuka
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP16405787A priority Critical patent/JPS6410798A/en
Publication of JPS6410798A publication Critical patent/JPS6410798A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To secure an incoming call from a line wire by regulating an outgoing call from an extension communication terminal even when an empty line wire runs short. CONSTITUTION:A detecting means 4a to detect an empty line number out of plural external lines 21-25 and regulating means 2, 3 and 5 to regulate an outgoing call from extension communication terminals 7-10, (n-1), n by the detecting means 4a when the number of empty lines is below a prescribed number are equipped. Even when an empty line wire runs short, an incoming call from the line wire can be secured by regulating an outgoing call from the extension communication terminals 7-10, (n-1), n. By making the call regulation into a different one by the extension communication terminal, the empty line wire can be utilized.
JP16405787A 1987-07-02 1987-07-02 Communication control equipment Pending JPS6410798A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16405787A JPS6410798A (en) 1987-07-02 1987-07-02 Communication control equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16405787A JPS6410798A (en) 1987-07-02 1987-07-02 Communication control equipment

Publications (1)

Publication Number Publication Date
JPS6410798A true JPS6410798A (en) 1989-01-13

Family

ID=15785966

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16405787A Pending JPS6410798A (en) 1987-07-02 1987-07-02 Communication control equipment

Country Status (1)

Country Link
JP (1) JPS6410798A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5956392A (en) * 1992-11-20 1999-09-21 Canon Kabushiki Kaisha Private branch exchange apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56122293A (en) * 1980-02-29 1981-09-25 Nec Corp Trunk reservation system
JPS59132295A (en) * 1983-01-19 1984-07-30 Nec Corp System for regulating call

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56122293A (en) * 1980-02-29 1981-09-25 Nec Corp Trunk reservation system
JPS59132295A (en) * 1983-01-19 1984-07-30 Nec Corp System for regulating call

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5956392A (en) * 1992-11-20 1999-09-21 Canon Kabushiki Kaisha Private branch exchange apparatus

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