IT8548096A0 - Procedimento per l'esercizio di impianto di commutazione per telecomu nicazioni, in particolare telefonico - Google Patents

Procedimento per l'esercizio di impianto di commutazione per telecomu nicazioni, in particolare telefonico

Info

Publication number
IT8548096A0
IT8548096A0 IT8548096A IT4809685A IT8548096A0 IT 8548096 A0 IT8548096 A0 IT 8548096A0 IT 8548096 A IT8548096 A IT 8548096A IT 4809685 A IT4809685 A IT 4809685A IT 8548096 A0 IT8548096 A0 IT 8548096A0
Authority
IT
Italy
Prior art keywords
telecommunications
procedure
switching system
particularly telephone
telephone
Prior art date
Application number
IT8548096A
Other languages
English (en)
Other versions
IT1200061B (it
Inventor
Muller Walter
Vogel Peter
Grischkat Wolfgang
Original Assignee
Frankfurt Germania Rep Fed A
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 Frankfurt Germania Rep Fed A filed Critical Frankfurt Germania Rep Fed A
Publication of IT8548096A0 publication Critical patent/IT8548096A0/it
Application granted granted Critical
Publication of IT1200061B publication Critical patent/IT1200061B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42314—Systems providing special services or facilities to subscribers in private branch exchanges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/48—Arrangements for recalling a calling subscriber when the wanted subscriber ceases to be busy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/38—Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections
IT48096/85A 1984-05-18 1985-05-17 Procedimento per l'esercizio di impianto di commutazione per telecomunicazioni, in particolare telefonico IT1200061B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3418457 1984-05-18

Publications (2)

Publication Number Publication Date
IT8548096A0 true IT8548096A0 (it) 1985-05-17
IT1200061B IT1200061B (it) 1989-01-05

Family

ID=6236187

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48096/85A IT1200061B (it) 1984-05-18 1985-05-17 Procedimento per l'esercizio di impianto di commutazione per telecomunicazioni, in particolare telefonico

Country Status (2)

Country Link
BE (1) BE902438A (it)
IT (1) IT1200061B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1258545A (en) * 1986-04-09 1989-08-15 Toshimitsu Shimizu Communication network capable of automatically informing a subscriber of occurrence of an idle channel
EP1006705A1 (en) * 1998-12-04 2000-06-07 Alcatel Private telecommunications switching system and method of establishing a connection

Also Published As

Publication number Publication date
BE902438A (fr) 1985-09-02
IT1200061B (it) 1989-01-05

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