JPS52140207A - Telephone service system - Google Patents

Telephone service system

Info

Publication number
JPS52140207A
JPS52140207A JP5648176A JP5648176A JPS52140207A JP S52140207 A JPS52140207 A JP S52140207A JP 5648176 A JP5648176 A JP 5648176A JP 5648176 A JP5648176 A JP 5648176A JP S52140207 A JPS52140207 A JP S52140207A
Authority
JP
Japan
Prior art keywords
telephone service
service system
abnormal
congenstion
enhance
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
JP5648176A
Other languages
Japanese (ja)
Inventor
Tomonori Sugiyama
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 JP5648176A priority Critical patent/JPS52140207A/en
Publication of JPS52140207A publication Critical patent/JPS52140207A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/36—Statistical metering, e.g. recording occasions when traffic exceeds capacity of trunks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)

Abstract

PURPOSE:To decrease the abnormal congestion state and thus to enhance the telephone service by providing the abnormal congenstion information section.
JP5648176A 1976-05-19 1976-05-19 Telephone service system Pending JPS52140207A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5648176A JPS52140207A (en) 1976-05-19 1976-05-19 Telephone service system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5648176A JPS52140207A (en) 1976-05-19 1976-05-19 Telephone service system

Publications (1)

Publication Number Publication Date
JPS52140207A true JPS52140207A (en) 1977-11-22

Family

ID=13028279

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5648176A Pending JPS52140207A (en) 1976-05-19 1976-05-19 Telephone service system

Country Status (1)

Country Link
JP (1) JPS52140207A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6193762A (en) * 1984-10-15 1986-05-12 Hitachi Ltd No call status display method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6193762A (en) * 1984-10-15 1986-05-12 Hitachi Ltd No call status display method

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