JPS5259507A - Pringing trunk - Google Patents

Pringing trunk

Info

Publication number
JPS5259507A
JPS5259507A JP4621275A JP4621275A JPS5259507A JP S5259507 A JPS5259507 A JP S5259507A JP 4621275 A JP4621275 A JP 4621275A JP 4621275 A JP4621275 A JP 4621275A JP S5259507 A JPS5259507 A JP S5259507A
Authority
JP
Japan
Prior art keywords
trunk
pringing
response
economical
installing
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
JP4621275A
Other languages
English (en)
Inventor
Ryoko Osakabe
Masami Miura
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 JP4621275A priority Critical patent/JPS5259507A/ja
Publication of JPS5259507A publication Critical patent/JPS5259507A/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
JP4621275A 1975-04-15 1975-04-15 Pringing trunk Pending JPS5259507A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4621275A JPS5259507A (en) 1975-04-15 1975-04-15 Pringing trunk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4621275A JPS5259507A (en) 1975-04-15 1975-04-15 Pringing trunk

Publications (1)

Publication Number Publication Date
JPS5259507A true JPS5259507A (en) 1977-05-17

Family

ID=12740778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4621275A Pending JPS5259507A (en) 1975-04-15 1975-04-15 Pringing trunk

Country Status (1)

Country Link
JP (1) JPS5259507A (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828248U (ja) * 1971-08-05 1973-04-06

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4828248U (ja) * 1971-08-05 1973-04-06

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