JPS5380902A - Transmission/reception control system for automatic telephone exchange - Google Patents

Transmission/reception control system for automatic telephone exchange

Info

Publication number
JPS5380902A
JPS5380902A JP15712576A JP15712576A JPS5380902A JP S5380902 A JPS5380902 A JP S5380902A JP 15712576 A JP15712576 A JP 15712576A JP 15712576 A JP15712576 A JP 15712576A JP S5380902 A JPS5380902 A JP S5380902A
Authority
JP
Japan
Prior art keywords
transmission
reception control
control system
telephone exchange
automatic 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
JP15712576A
Other languages
English (en)
Inventor
Yoshiaki Endo
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP15712576A priority Critical patent/JPS5380902A/ja
Publication of JPS5380902A publication Critical patent/JPS5380902A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
JP15712576A 1976-12-25 1976-12-25 Transmission/reception control system for automatic telephone exchange Pending JPS5380902A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15712576A JPS5380902A (en) 1976-12-25 1976-12-25 Transmission/reception control system for automatic telephone exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15712576A JPS5380902A (en) 1976-12-25 1976-12-25 Transmission/reception control system for automatic telephone exchange

Publications (1)

Publication Number Publication Date
JPS5380902A true JPS5380902A (en) 1978-07-17

Family

ID=15642746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15712576A Pending JPS5380902A (en) 1976-12-25 1976-12-25 Transmission/reception control system for automatic telephone exchange

Country Status (1)

Country Link
JP (1) JPS5380902A (ja)

Similar Documents

Publication Publication Date Title
JPS5391509A (en) Telephone transmitter receiver circuit
JPS52119806A (en) Circuit for evaluating line status change for communication system such as telephone system
JPS5380902A (en) Transmission/reception control system for automatic telephone exchange
JPS53101206A (en) Control system for telephone exchange network
AU3110777A (en) Automatic telephone exchange
JPS5333509A (en) Offering in-trunk
JPS53126202A (en) Composite data exchange system
JPS53131712A (en) Hot-line connection system for automatic exchange
JPS5283102A (en) Abbreviated dialing unit
JPS533115A (en) Pcm terminal station unit
JPS53108703A (en) Data insersion system into common transmission line
JPS5429508A (en) Control system for incoming and outgoing trunks
JPS52117503A (en) Time division telephone exchange system
JPS5440021A (en) Multi-port system
JPS53110303A (en) Switching signal transmission system
AU3710678A (en) Subscriber number transmitter
JPS53127221A (en) Full duplex data transmission unit of two wire type
JPS53127203A (en) Exchanging system for circuit
JPS538501A (en) Inter-call device for individual selection
JPS5394807A (en) Combined switch network
JPS5338204A (en) Automatic sending device of pulsing signal
JPS53117908A (en) Automatic telephone answering device
JPS53119613A (en) Charging system of automatic private branch exchange
JPS53131711A (en) Hot-line connection system for automatic exchange
JPS5387111A (en) Communication system