JPS5718194A - Priority connection system of toll incoming call - Google Patents

Priority connection system of toll incoming call

Info

Publication number
JPS5718194A
JPS5718194A JP9298680A JP9298680A JPS5718194A JP S5718194 A JPS5718194 A JP S5718194A JP 9298680 A JP9298680 A JP 9298680A JP 9298680 A JP9298680 A JP 9298680A JP S5718194 A JPS5718194 A JP S5718194A
Authority
JP
Japan
Prior art keywords
call
toll
incoming call
signal
relay
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.)
Granted
Application number
JP9298680A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6130477B2 (enrdf_load_stackoverflow
Inventor
Ryuzo Yamamoto
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 Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP9298680A priority Critical patent/JPS5718194A/ja
Publication of JPS5718194A publication Critical patent/JPS5718194A/ja
Publication of JPS6130477B2 publication Critical patent/JPS6130477B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/58Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625Arrangements in the private branch exchange

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Devices For Supply Of Signal Current (AREA)
JP9298680A 1980-07-08 1980-07-08 Priority connection system of toll incoming call Granted JPS5718194A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9298680A JPS5718194A (en) 1980-07-08 1980-07-08 Priority connection system of toll incoming call

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9298680A JPS5718194A (en) 1980-07-08 1980-07-08 Priority connection system of toll incoming call

Publications (2)

Publication Number Publication Date
JPS5718194A true JPS5718194A (en) 1982-01-29
JPS6130477B2 JPS6130477B2 (enrdf_load_stackoverflow) 1986-07-14

Family

ID=14069687

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9298680A Granted JPS5718194A (en) 1980-07-08 1980-07-08 Priority connection system of toll incoming call

Country Status (1)

Country Link
JP (1) JPS5718194A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1051547A (ja) * 1996-07-31 1998-02-20 Nec Shizuoka Ltd 電話装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1051547A (ja) * 1996-07-31 1998-02-20 Nec Shizuoka Ltd 電話装置

Also Published As

Publication number Publication date
JPS6130477B2 (enrdf_load_stackoverflow) 1986-07-14

Similar Documents

Publication Publication Date Title
US4001513A (en) Method and apparatus for the detection of fraudulent toll telephone calls
JPS5720040A (en) Radio individual selective calling system
JPS6477353A (en) Land mobile telephone system
JPS5469905A (en) Answering system for call signal of automatic answering telephone set
US4284851A (en) Arrangement for frustrating fraudulent telephone calls
US3156775A (en) Telephone converter
JPS5718194A (en) Priority connection system of toll incoming call
JPS562778A (en) Data communication unit
US5533092A (en) Order wire in telephone communication system
US3902024A (en) Originating number control system for key telephone systems
JPS54154914A (en) Callersigma number display system
JPS57145466A (en) Switchboard
JPS5795744A (en) Automatic line switching device for data communication device
JPS5616356A (en) Automatic monitor system for transmitted answer
JPS5549065A (en) Charging pulse transmission system
JPS57210738A (en) Callout connecting system for missing person
JPS5724135A (en) Informing processing system for registered business
JPS6411459A (en) Communication mode switching device
JPS56132855A (en) Calling party telephone number display system
JPS57152265A (en) Preventing device for holding of telephone circuit by communication equipment
JPS57147361A (en) Return testing system for four-wire system trunk line
JPS5636259A (en) Switchboard connection system
JPS5530247A (en) Detection system for originating-subscriber's information
JPS57107670A (en) Public telephone set for consignment
JPS56162596A (en) Digital telephone system