IT1039706B - ELECTRONIC COMMUNICATIONS BILLING GROUP PARTICULARLY FOR HOTELS PHONE SWITCHBOARDS - Google Patents

ELECTRONIC COMMUNICATIONS BILLING GROUP PARTICULARLY FOR HOTELS PHONE SWITCHBOARDS

Info

Publication number
IT1039706B
IT1039706B IT25121/75A IT2512175A IT1039706B IT 1039706 B IT1039706 B IT 1039706B IT 25121/75 A IT25121/75 A IT 25121/75A IT 2512175 A IT2512175 A IT 2512175A IT 1039706 B IT1039706 B IT 1039706B
Authority
IT
Italy
Prior art keywords
switchboards
hotels
phone
electronic communications
group particularly
Prior art date
Application number
IT25121/75A
Other languages
Italian (it)
Original Assignee
Western Electric Co
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
Priority claimed from US486003A external-priority patent/US3920912A/en
Priority claimed from US486002A external-priority patent/US3920911A/en
Application filed by Western Electric Co filed Critical Western Electric Co
Application granted granted Critical
Publication of IT1039706B publication Critical patent/IT1039706B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
IT25121/75A 1974-07-05 1975-07-04 ELECTRONIC COMMUNICATIONS BILLING GROUP PARTICULARLY FOR HOTELS PHONE SWITCHBOARDS IT1039706B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US486003A US3920912A (en) 1974-07-05 1974-07-05 Hotel pbx electronic message billing arrangement
US486002A US3920911A (en) 1974-07-05 1974-07-05 Hotel pbx electronic message billing arrangement

Publications (1)

Publication Number Publication Date
IT1039706B true IT1039706B (en) 1979-12-10

Family

ID=27048541

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25121/75A IT1039706B (en) 1974-07-05 1975-07-04 ELECTRONIC COMMUNICATIONS BILLING GROUP PARTICULARLY FOR HOTELS PHONE SWITCHBOARDS

Country Status (6)

Country Link
JP (1) JPS5714621B2 (en)
DE (1) DE2529389C2 (en)
FR (1) FR2277479B1 (en)
GB (1) GB1509617A (en)
IT (1) IT1039706B (en)
SE (1) SE7507184L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2816034C3 (en) * 1978-04-13 1985-07-18 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for the system-independent recording of call data and charges
JPS59229235A (en) * 1983-06-09 1984-12-22 Ryoda Sato Method for forming end part of straight metallic body
JPS6166451A (en) * 1984-09-10 1986-04-05 Nec Eng Ltd Traffic observing system of private branch exchange

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3612767A (en) * 1969-06-11 1971-10-12 Bell Telephone Labor Inc Equipment for selectively establishing audio and wideband communication paths through two autonomous switching systems

Also Published As

Publication number Publication date
DE2529389C2 (en) 1983-10-06
SE7507184L (en) 1976-01-07
JPS5714621B2 (en) 1982-03-25
DE2529389A1 (en) 1976-01-22
FR2277479B1 (en) 1979-05-25
GB1509617A (en) 1978-05-04
FR2277479A1 (en) 1976-01-30
JPS5131110A (en) 1976-03-17

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