JPS6448596A - Specific relay line discrimination system - Google Patents

Specific relay line discrimination system

Info

Publication number
JPS6448596A
JPS6448596A JP20459887A JP20459887A JPS6448596A JP S6448596 A JPS6448596 A JP S6448596A JP 20459887 A JP20459887 A JP 20459887A JP 20459887 A JP20459887 A JP 20459887A JP S6448596 A JPS6448596 A JP S6448596A
Authority
JP
Japan
Prior art keywords
specific
relay line
pbx
station
incoming tone
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
JP20459887A
Other languages
English (en)
Inventor
Naoyuki Takahashi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP20459887A priority Critical patent/JPS6448596A/ja
Publication of JPS6448596A publication Critical patent/JPS6448596A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP20459887A 1987-08-18 1987-08-18 Specific relay line discrimination system Pending JPS6448596A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20459887A JPS6448596A (en) 1987-08-18 1987-08-18 Specific relay line discrimination system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20459887A JPS6448596A (en) 1987-08-18 1987-08-18 Specific relay line discrimination system

Publications (1)

Publication Number Publication Date
JPS6448596A true JPS6448596A (en) 1989-02-23

Family

ID=16493114

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20459887A Pending JPS6448596A (en) 1987-08-18 1987-08-18 Specific relay line discrimination system

Country Status (1)

Country Link
JP (1) JPS6448596A (ja)

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