CA2481368C - 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

Info

Publication number
CA2481368C
CA2481368C CA2481368A CA2481368A CA2481368C CA 2481368 C CA2481368 C CA 2481368C CA 2481368 A CA2481368 A CA 2481368A CA 2481368 A CA2481368 A CA 2481368A CA 2481368 C CA2481368 C CA 2481368C
Authority
CA
Canada
Prior art keywords
communication network
network
ptt
private communication
private
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
CA2481368A
Other languages
English (en)
Other versions
CA2481368A1 (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 CA2481368A1 publication Critical patent/CA2481368A1/fr
Application granted granted Critical
Publication of CA2481368C publication Critical patent/CA2481368C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Mobile Radio Communication Systems (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephonic Communication Services (AREA)
CA2481368A 1996-02-01 1997-01-29 Procede et appareil pour systeme de communication prive dans un reseau telephonique commute public Expired - Lifetime CA2481368C (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
CA2481368A1 CA2481368A1 (fr) 1997-08-07
CA2481368C true CA2481368C (fr) 2012-12-04

Family

ID=33300530

Family Applications (3)

Application Number Title Priority Date Filing Date
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
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 Before (2)

Application Number Title Priority Date Filing Date
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

Country Status (1)

Country Link
CA (3) CA2481367C (fr)

Also Published As

Publication number Publication date
CA2481367A1 (fr) 1997-08-07
CA2481367C (fr) 2010-04-06
CA2475870A1 (fr) 1997-08-07
CA2481368A1 (fr) 1997-08-07
CA2475870C (fr) 2010-10-05

Similar Documents

Publication Publication Date Title
US5912882A (en) Method and apparatus for providing a private communication system in a public switched telephone network
US6597667B1 (en) Network based muting of a cellular telephone
EP1050120B1 (fr) Procede et appareil d'appel pour un groupe de conversation dans un systeme amdc sans fil
ES2281408T3 (es) Metodo y aparato de llamada para un grupo de conversacion en un sistema de radiocomunicaciones.
US20040228292A1 (en) Method and apparatus for providing full duplex dispatch
FI103848B (fi) Ryhmäpuhelun ylläpitäminen matkaviestinjärjestelmässä
EP1638355B1 (fr) Un système de communication et procédé de gestion des groupes d'appel correspondant
WO2000069097A1 (fr) Procedes et systemes pour la production de numeros d'identification temporaires pour terminaux mobiles
JPH08505743A (ja) 無線デジタルパーソナル通信システム
KR100400423B1 (ko) 무선 통신 시스템에서의 토크그룹 호출을 위한 방법 및장치
CA2481368C (fr) Procede et appareil pour systeme de communication prive dans un reseau telephonique commute public
GB2454871A (en) Encrypted communications
EP1517567B1 (fr) Terminal mobile de communication et procédé
Fathi Wireless Systems
JPH09247082A (ja) 一斉通報システム
JPH04278736A (ja) 無線電話呼び出し方法及びそれに用いる無線電話機

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20170130