JPS542609A - Collision processing system between originating and terminating calls - Google Patents

Collision processing system between originating and terminating calls

Info

Publication number
JPS542609A
JPS542609A JP6667577A JP6667577A JPS542609A JP S542609 A JPS542609 A JP S542609A JP 6667577 A JP6667577 A JP 6667577A JP 6667577 A JP6667577 A JP 6667577A JP S542609 A JPS542609 A JP S542609A
Authority
JP
Japan
Prior art keywords
originating
processing system
terminating calls
collision processing
collision
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
JP6667577A
Other languages
Japanese (ja)
Inventor
Osamu Kaneko
Kensuke Inoue
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6667577A priority Critical patent/JPS542609A/en
Publication of JPS542609A publication Critical patent/JPS542609A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)

Abstract

PURPOSE:To attain economical collision processing by informing an outgoing sender of the collision between originating and terminating calls making use of an answering polarity inverter circuit.
JP6667577A 1977-06-08 1977-06-08 Collision processing system between originating and terminating calls Pending JPS542609A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6667577A JPS542609A (en) 1977-06-08 1977-06-08 Collision processing system between originating and terminating calls

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6667577A JPS542609A (en) 1977-06-08 1977-06-08 Collision processing system between originating and terminating calls

Publications (1)

Publication Number Publication Date
JPS542609A true JPS542609A (en) 1979-01-10

Family

ID=13322721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6667577A Pending JPS542609A (en) 1977-06-08 1977-06-08 Collision processing system between originating and terminating calls

Country Status (1)

Country Link
JP (1) JPS542609A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5487110A (en) * 1994-02-01 1996-01-23 Dsc Communications Corporation Apparatus and method for virtual private telephone line with automatic ring down

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5487110A (en) * 1994-02-01 1996-01-23 Dsc Communications Corporation Apparatus and method for virtual private telephone line with automatic ring down

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