ZA97795B - Method and apparatus for providing a private communication system in a public switched telephone network. - Google Patents
Method and apparatus for providing a private communication system in a public switched telephone network.Info
- Publication number
- ZA97795B ZA97795B ZA9700795A ZA97795A ZA97795B ZA 97795 B ZA97795 B ZA 97795B ZA 9700795 A ZA9700795 A ZA 9700795A ZA 97795 A ZA97795 A ZA 97795A ZA 97795 B ZA97795 B ZA 97795B
- Authority
- ZA
- South Africa
- Prior art keywords
- providing
- communication system
- telephone network
- switched telephone
- public switched
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/16—WPBX [Wireless Private Branch Exchange]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephonic Communication Services (AREA)
- Prepayment Telephone Systems (AREA)
- Telephone Function (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
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 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA97795B true ZA97795B (en) | 1997-08-04 |
Family
ID=24383760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA9700795A ZA97795B (en) | 1996-02-01 | 1997-01-30 | Method and apparatus for providing a private communication system in a public switched telephone network. |
Country Status (22)
Country | Link |
---|---|
US (2) | US5912882A (no) |
EP (1) | EP0878103B1 (no) |
JP (2) | JP2000504182A (no) |
KR (1) | KR100443781B1 (no) |
CN (1) | CN1214842A (no) |
AR (1) | AR005690A1 (no) |
AT (1) | ATE320696T1 (no) |
AU (1) | AU716936B2 (no) |
BR (1) | BR9707264B1 (no) |
CA (1) | CA2244929C (no) |
DE (1) | DE69735478T2 (no) |
ES (1) | ES2264156T3 (no) |
FI (1) | FI119796B (no) |
HK (1) | HK1017205A1 (no) |
ID (1) | ID15870A (no) |
IL (1) | IL125610A0 (no) |
MY (1) | MY122360A (no) |
NO (1) | NO316967B1 (no) |
RU (1) | RU2178957C2 (no) |
TW (1) | TW393848B (no) |
WO (1) | WO1997028658A2 (no) |
ZA (1) | ZA97795B (no) |
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US7483708B2 (en) * | 2005-03-31 | 2009-01-27 | Mark Maggenti | Apparatus and method for identifying last speaker in a push-to-talk system |
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US8920343B2 (en) | 2006-03-23 | 2014-12-30 | Michael Edward Sabatino | Apparatus for acquiring and processing of physiological auditory signals |
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-
1996
- 1996-02-01 US US08/595,566 patent/US5912882A/en not_active Expired - Lifetime
-
1997
- 1997-01-29 AT AT97904111T patent/ATE320696T1/de not_active IP Right Cessation
- 1997-01-29 KR KR10-1998-0705946A patent/KR100443781B1/ko not_active IP Right Cessation
- 1997-01-29 BR BRPI9707264-8A patent/BR9707264B1/pt not_active IP Right Cessation
- 1997-01-29 IL IL12561097A patent/IL125610A0/xx unknown
- 1997-01-29 RU RU98116436/09A patent/RU2178957C2/ru active
- 1997-01-29 EP EP97904111A patent/EP0878103B1/en not_active Expired - Lifetime
- 1997-01-29 DE DE69735478T patent/DE69735478T2/de not_active Expired - Lifetime
- 1997-01-29 WO PCT/US1997/001521 patent/WO1997028658A2/en active IP Right Grant
- 1997-01-29 ES ES97904111T patent/ES2264156T3/es not_active Expired - Lifetime
- 1997-01-29 AU AU18487/97A patent/AU716936B2/en not_active Ceased
- 1997-01-29 JP JP9527825A patent/JP2000504182A/ja active Pending
- 1997-01-29 CN CN97193468A patent/CN1214842A/zh active Pending
- 1997-01-29 CA CA002244929A patent/CA2244929C/en not_active Expired - Lifetime
- 1997-01-30 ZA ZA9700795A patent/ZA97795B/xx unknown
- 1997-01-31 MY MYPI97000392A patent/MY122360A/en unknown
- 1997-02-03 AR ARP970100425A patent/AR005690A1/es unknown
- 1997-02-03 ID IDP970324A patent/ID15870A/id unknown
- 1997-03-28 TW TW086104052A patent/TW393848B/zh not_active IP Right Cessation
-
1998
- 1998-07-31 FI FI981689A patent/FI119796B/fi not_active IP Right Cessation
- 1998-07-31 NO NO19983546A patent/NO316967B1/no not_active IP Right Cessation
-
1999
- 1999-04-27 HK HK99101854A patent/HK1017205A1/xx not_active IP Right Cessation
-
2001
- 2001-06-14 US US09/881,410 patent/USRE44577E1/en not_active Expired - Lifetime
-
2007
- 2007-12-17 JP JP2007324553A patent/JP4445005B2/ja not_active Expired - Fee Related
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