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 PDFInfo
- 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
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Telephonic Communication Services (AREA)
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) |
-
1997
- 1997-01-29 CA CA2481367A patent/CA2481367C/fr not_active Expired - Lifetime
- 1997-01-29 CA CA2475870A patent/CA2475870C/fr not_active Expired - Lifetime
- 1997-01-29 CA CA2481368A patent/CA2481368C/fr not_active Expired - Lifetime
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 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20170130 |