JPH0318798B2 - - Google Patents

Info

Publication number
JPH0318798B2
JPH0318798B2 JP58224176A JP22417683A JPH0318798B2 JP H0318798 B2 JPH0318798 B2 JP H0318798B2 JP 58224176 A JP58224176 A JP 58224176A JP 22417683 A JP22417683 A JP 22417683A JP H0318798 B2 JPH0318798 B2 JP H0318798B2
Authority
JP
Japan
Prior art keywords
trunk
priority
call
subscriber
connection
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.)
Expired - Lifetime
Application number
JP58224176A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60117990A (ja
Inventor
Kenji Ashihara
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 JP22417683A priority Critical patent/JPS60117990A/ja
Publication of JPS60117990A publication Critical patent/JPS60117990A/ja
Publication of JPH0318798B2 publication Critical patent/JPH0318798B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/38—Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Exchange Systems With Centralized Control (AREA)
JP22417683A 1983-11-30 1983-11-30 優先接続方式 Granted JPS60117990A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22417683A JPS60117990A (ja) 1983-11-30 1983-11-30 優先接続方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22417683A JPS60117990A (ja) 1983-11-30 1983-11-30 優先接続方式

Publications (2)

Publication Number Publication Date
JPS60117990A JPS60117990A (ja) 1985-06-25
JPH0318798B2 true JPH0318798B2 (enrdf_load_stackoverflow) 1991-03-13

Family

ID=16809713

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22417683A Granted JPS60117990A (ja) 1983-11-30 1983-11-30 優先接続方式

Country Status (1)

Country Link
JP (1) JPS60117990A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6441551A (en) * 1987-08-07 1989-02-13 Nec Corp Private line forces cut-off system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6028428B2 (ja) * 1977-07-05 1985-07-04 日本電気株式会社 発信局の強制切断方式

Also Published As

Publication number Publication date
JPS60117990A (ja) 1985-06-25

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