CA2481367C - Procede et appareil pour systeme de communication prive dans un reseau telephonique commute public - Google Patents

Procede et appareil pour systeme de communication prive dans un reseau telephonique commute public Download PDF

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Publication number
CA2481367C
CA2481367C CA2481367A CA2481367A CA2481367C CA 2481367 C CA2481367 C CA 2481367C CA 2481367 A CA2481367 A CA 2481367A CA 2481367 A CA2481367 A CA 2481367A CA 2481367 C CA2481367 C CA 2481367C
Authority
CA
Canada
Prior art keywords
ptt
network
telephone set
talk
talk request
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.)
Expired - Lifetime
Application number
CA2481367A
Other languages
English (en)
Other versions
CA2481367A1 (fr
Inventor
Eric J. Lekven
Matthew S. Grob
Byron Y. Yafuso
Steven L. Rogers
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 US08/595,566 external-priority patent/US5912882A/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CA2481367A1 publication Critical patent/CA2481367A1/fr
Application granted granted Critical
Publication of CA2481367C publication Critical patent/CA2481367C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Mobile Radio Communication Systems (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephonic Communication Services (AREA)
CA2481367A 1996-02-01 1997-01-29 Procede et appareil pour systeme de communication prive dans un reseau telephonique commute public Expired - Lifetime CA2481367C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/595,566 US5912882A (en) 1996-02-01 1996-02-01 Method and apparatus for providing a private communication system in a public switched telephone network
US08/595,566 1996-02-01
CA002244929A CA2244929C (fr) 1996-02-01 1997-01-29 Procede et appareil pour systeme de communication prive dans un reseau telephonique commute public

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002244929A Division CA2244929C (fr) 1996-02-01 1997-01-29 Procede et appareil pour systeme de communication prive dans un reseau telephonique commute public

Publications (2)

Publication Number Publication Date
CA2481367A1 CA2481367A1 (fr) 1997-08-07
CA2481367C true CA2481367C (fr) 2010-04-06

Family

ID=33300530

Family Applications (3)

Application Number Title Priority Date Filing Date
CA2481368A Expired - Lifetime CA2481368C (fr) 1996-02-01 1997-01-29 Procede et appareil pour systeme de communication prive dans un reseau telephonique commute public
CA2481367A Expired - Lifetime CA2481367C (fr) 1996-02-01 1997-01-29 Procede et appareil pour systeme de communication prive dans un reseau telephonique commute public
CA2475870A Expired - Lifetime CA2475870C (fr) 1996-02-01 1997-01-29 Procede et appareil pour systeme de communication prive dans un reseau telephonique commute public

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2481368A Expired - Lifetime CA2481368C (fr) 1996-02-01 1997-01-29 Procede et appareil pour systeme de communication prive dans un reseau telephonique commute public

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2475870A Expired - Lifetime CA2475870C (fr) 1996-02-01 1997-01-29 Procede et appareil pour systeme de communication prive dans un reseau telephonique commute public

Country Status (1)

Country Link
CA (3) CA2481368C (fr)

Also Published As

Publication number Publication date
CA2475870A1 (fr) 1997-08-07
CA2481368C (fr) 2012-12-04
CA2481367A1 (fr) 1997-08-07
CA2475870C (fr) 2010-10-05
CA2481368A1 (fr) 1997-08-07

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Effective date: 20170130