IT8323767A0 - CIRCUIT PROVISION FOR THE TRANSMISSION OF CRITERIA FOR THE CHARACTERIZATION OF USERS OF PUBLIC TELEPHONE SWITCHES. - Google Patents

CIRCUIT PROVISION FOR THE TRANSMISSION OF CRITERIA FOR THE CHARACTERIZATION OF USERS OF PUBLIC TELEPHONE SWITCHES.

Info

Publication number
IT8323767A0
IT8323767A0 IT8323767A IT2376783A IT8323767A0 IT 8323767 A0 IT8323767 A0 IT 8323767A0 IT 8323767 A IT8323767 A IT 8323767A IT 2376783 A IT2376783 A IT 2376783A IT 8323767 A0 IT8323767 A0 IT 8323767A0
Authority
IT
Italy
Prior art keywords
characterization
criteria
users
transmission
public telephone
Prior art date
Application number
IT8323767A
Other languages
Italian (it)
Other versions
IT1208177B (en
Inventor
Giorgio Biraghi
Luigi Molteni
Original Assignee
Italtel Spa
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 Italtel Spa filed Critical Italtel Spa
Priority to IT8323767A priority Critical patent/IT1208177B/en
Publication of IT8323767A0 publication Critical patent/IT8323767A0/en
Priority to CH5198/84A priority patent/CH661163A5/en
Priority to DE19843441979 priority patent/DE3441979A1/en
Application granted granted Critical
Publication of IT1208177B publication Critical patent/IT1208177B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/72—Finding out and indicating number of calling subscriber

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Meter Arrangements (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
IT8323767A 1983-11-18 1983-11-18 CIRCUITIVE PROVISION FOR THE TRANSMISSION OF CRITERIA FOR THE CHARACTERIZATION OF THE USERS OF PUBLIC TELEPHONE CENTERS. IT1208177B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT8323767A IT1208177B (en) 1983-11-18 1983-11-18 CIRCUITIVE PROVISION FOR THE TRANSMISSION OF CRITERIA FOR THE CHARACTERIZATION OF THE USERS OF PUBLIC TELEPHONE CENTERS.
CH5198/84A CH661163A5 (en) 1983-11-18 1984-10-31 CIRCUITIVE PROVISION FOR THE TRANSMISSION OF CRITERIA FOR THE CHARACTERIZATION OF THE USERS OF PUBLIC TELEPHONE CENTERS.
DE19843441979 DE3441979A1 (en) 1983-11-18 1984-11-16 Circuit arrangement for transmitting criteria characterising the subscribers of an exchange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8323767A IT1208177B (en) 1983-11-18 1983-11-18 CIRCUITIVE PROVISION FOR THE TRANSMISSION OF CRITERIA FOR THE CHARACTERIZATION OF THE USERS OF PUBLIC TELEPHONE CENTERS.

Publications (2)

Publication Number Publication Date
IT8323767A0 true IT8323767A0 (en) 1983-11-18
IT1208177B IT1208177B (en) 1989-06-06

Family

ID=11209806

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8323767A IT1208177B (en) 1983-11-18 1983-11-18 CIRCUITIVE PROVISION FOR THE TRANSMISSION OF CRITERIA FOR THE CHARACTERIZATION OF THE USERS OF PUBLIC TELEPHONE CENTERS.

Country Status (3)

Country Link
CH (1) CH661163A5 (en)
DE (1) DE3441979A1 (en)
IT (1) IT1208177B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3737965A1 (en) * 1987-11-07 1989-05-18 Wolfgang Ebenhan METHOD AND DEVICE FOR CALL IDENTIFICATION BY THE TELEPHONE DEVICE OF THE SELECTED PARTICIPANT

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1800390A1 (en) * 1968-10-01 1970-05-21 Siemens Ag Circuit arrangement for determining and evaluating information relating to connection points in telecommunication systems, in particular telephone systems
DE2744116C3 (en) * 1977-09-30 1980-04-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen Circuit arrangement for the identification of connection organs in telephone switching systems
DE2810424A1 (en) * 1978-03-10 1979-09-13 Siemens Ag Telephone exchange with subscriber terminals identification - distinguishes between call metering and identification pulses sent via same control wire but at different pulse durations

Also Published As

Publication number Publication date
CH661163A5 (en) 1987-06-30
IT1208177B (en) 1989-06-06
DE3441979A1 (en) 1985-05-30

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