JPS5394708A - Reverting call trunk - Google Patents

Reverting call trunk

Info

Publication number
JPS5394708A
JPS5394708A JP864677A JP864677A JPS5394708A JP S5394708 A JPS5394708 A JP S5394708A JP 864677 A JP864677 A JP 864677A JP 864677 A JP864677 A JP 864677A JP S5394708 A JPS5394708 A JP S5394708A
Authority
JP
Japan
Prior art keywords
call trunk
reverting call
connection
reverting
trunk
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
JP864677A
Other languages
Japanese (ja)
Inventor
Fumiaki Kusunoki
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 JP864677A priority Critical patent/JPS5394708A/en
Publication of JPS5394708A publication Critical patent/JPS5394708A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems

Landscapes

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

Abstract

PURPOSE:To enable a calling subscriber to confirm the connection by sending a connection complete signal as to the mutual connection between common subscribers.
JP864677A 1977-01-31 1977-01-31 Reverting call trunk Pending JPS5394708A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP864677A JPS5394708A (en) 1977-01-31 1977-01-31 Reverting call trunk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP864677A JPS5394708A (en) 1977-01-31 1977-01-31 Reverting call trunk

Publications (1)

Publication Number Publication Date
JPS5394708A true JPS5394708A (en) 1978-08-19

Family

ID=11698700

Family Applications (1)

Application Number Title Priority Date Filing Date
JP864677A Pending JPS5394708A (en) 1977-01-31 1977-01-31 Reverting call trunk

Country Status (1)

Country Link
JP (1) JPS5394708A (en)

Similar Documents

Publication Publication Date Title
JPS5555650A (en) Telephone communication system
JPS5422704A (en) Cordless telephone system
JPS5386102A (en) Selective exchange system
JPS5394708A (en) Reverting call trunk
JPS5313806A (en) Telephone extension system
JPS542604A (en) Originating subscriber confirmation system
JPS52115607A (en) Conference telephone system
JPS5422705A (en) Extension subscriber calling system
JPS5423304A (en) Cordless telephone system
JPS5422107A (en) Telephone calling device
JPS53126202A (en) Composite data exchange system
JPS5390704A (en) Incoming response system
JPS5216106A (en) Telephone call unit
JPS53101909A (en) Delay call transfer system of automatic exchange
JPS5391605A (en) Telephone set
JPS5397708A (en) Caller's number discrimination system
JPS54908A (en) Centralized response telephone set
JPS5399806A (en) Intra-office connection system
JPS5332603A (en) Telephone set with timer
JPS51144503A (en) Telephone set
JPS5437608A (en) Extension incoming automatic selection system
JPS5370701A (en) Individual selection call receiver
DE2965493D1 (en) Telecommunications apparatus, e.g. a telephone, with long distance dialing lockout
JPS526006A (en) Automatic call in accounting system
JPS5422109A (en) Charging system