IT1228816B - Architettura di sistema a chiave digitale. - Google Patents

Architettura di sistema a chiave digitale.

Info

Publication number
IT1228816B
IT1228816B IT8919865A IT1986589A IT1228816B IT 1228816 B IT1228816 B IT 1228816B IT 8919865 A IT8919865 A IT 8919865A IT 1986589 A IT1986589 A IT 1986589A IT 1228816 B IT1228816 B IT 1228816B
Authority
IT
Italy
Prior art keywords
interface circuits
resident
bus
switching
telephone system
Prior art date
Application number
IT8919865A
Other languages
English (en)
Other versions
IT8919865A0 (it
Inventor
Richard Anthony Hatherill
Bernard J Trudel
Mark Robert Coomber
William Creighton Mitchell
Original Assignee
Mitel 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 Mitel Corp filed Critical Mitel Corp
Priority to IT8919865A priority Critical patent/IT1228816B/it
Publication of IT8919865A0 publication Critical patent/IT8919865A0/it
Application granted granted Critical
Publication of IT1228816B publication Critical patent/IT1228816B/it

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
IT8919865A 1989-03-22 1989-03-22 Architettura di sistema a chiave digitale. IT1228816B (it)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT8919865A IT1228816B (it) 1989-03-22 1989-03-22 Architettura di sistema a chiave digitale.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8919865A IT1228816B (it) 1989-03-22 1989-03-22 Architettura di sistema a chiave digitale.

Publications (2)

Publication Number Publication Date
IT8919865A0 IT8919865A0 (it) 1989-03-22
IT1228816B true IT1228816B (it) 1991-07-04

Family

ID=11161903

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8919865A IT1228816B (it) 1989-03-22 1989-03-22 Architettura di sistema a chiave digitale.

Country Status (1)

Country Link
IT (1) IT1228816B (it)

Also Published As

Publication number Publication date
IT8919865A0 (it) 1989-03-22

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970328