JPH04320142A - Incoming signal system - Google Patents

Incoming signal system

Info

Publication number
JPH04320142A
JPH04320142A JP8830891A JP8830891A JPH04320142A JP H04320142 A JPH04320142 A JP H04320142A JP 8830891 A JP8830891 A JP 8830891A JP 8830891 A JP8830891 A JP 8830891A JP H04320142 A JPH04320142 A JP H04320142A
Authority
JP
Japan
Prior art keywords
call
toll
exchange
station
caller number
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
JP8830891A
Other languages
Japanese (ja)
Inventor
Shinri Amano
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP8830891A priority Critical patent/JPH04320142A/en
Publication of JPH04320142A publication Critical patent/JPH04320142A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To avoid multi-purpose utilization of a caller number and difficulty of hearing of the number by making a station exchange send a caller number to a private branch exchange and making the private branch exchange identify whether a call is local call or a toll call based on the caller number so as to revise a speech level.
CONSTITUTION: When a call comes from a caller telephone set 11 in Tokyo to a private branch of exchange 13 in Osaka via a station exchange 12, a signal reception section 14 receives a caller number from the station exchange 12 and outputs '03' being a toll station number of Tokyo to a toll/local identification section 15. The identification section 15 compares the toll station number with a toll station number 06 registered in advance depending on the installed position to identify whether the call is a local call or a toll call and controls a level conversion circuit 16 in the case of the toll call. The circuit 16 increase the speech level automatically and the caller number received by the reception section 14 is connected by an extension telephone set 18 receiving the call via an exchange switch 17 and displayed on a display device. Thus, the caller number is used in multi-purpose and difficulty of hearing is avoided.
COPYRIGHT: (C)1992,JPO&Japio
JP8830891A 1991-04-19 1991-04-19 Incoming signal system Pending JPH04320142A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8830891A JPH04320142A (en) 1991-04-19 1991-04-19 Incoming signal system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8830891A JPH04320142A (en) 1991-04-19 1991-04-19 Incoming signal system

Publications (1)

Publication Number Publication Date
JPH04320142A true JPH04320142A (en) 1992-11-10

Family

ID=13939306

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8830891A Pending JPH04320142A (en) 1991-04-19 1991-04-19 Incoming signal system

Country Status (1)

Country Link
JP (1) JPH04320142A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980013936A (en) * 1996-08-05 1998-05-15 김광호 Call service method of electronic simple switching equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980013936A (en) * 1996-08-05 1998-05-15 김광호 Call service method of electronic simple switching equipment

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