JPS6469151A - Telephone set calling system - Google Patents

Telephone set calling system

Info

Publication number
JPS6469151A
JPS6469151A JP22787487A JP22787487A JPS6469151A JP S6469151 A JPS6469151 A JP S6469151A JP 22787487 A JP22787487 A JP 22787487A JP 22787487 A JP22787487 A JP 22787487A JP S6469151 A JPS6469151 A JP S6469151A
Authority
JP
Japan
Prior art keywords
calling
ext1
telephone sets
telephone
group
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
JP22787487A
Other languages
English (en)
Inventor
Isao Oishi
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 Engineering Ltd
Original Assignee
NEC Engineering 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 Engineering Ltd filed Critical NEC Engineering Ltd
Priority to JP22787487A priority Critical patent/JPS6469151A/ja
Publication of JPS6469151A publication Critical patent/JPS6469151A/ja
Pending legal-status Critical Current

Links

JP22787487A 1987-09-10 1987-09-10 Telephone set calling system Pending JPS6469151A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22787487A JPS6469151A (en) 1987-09-10 1987-09-10 Telephone set calling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22787487A JPS6469151A (en) 1987-09-10 1987-09-10 Telephone set calling system

Publications (1)

Publication Number Publication Date
JPS6469151A true JPS6469151A (en) 1989-03-15

Family

ID=16867699

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22787487A Pending JPS6469151A (en) 1987-09-10 1987-09-10 Telephone set calling system

Country Status (1)

Country Link
JP (1) JPS6469151A (ja)

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