CA1173945A - Apparatus for switching calls to remotely located port groups in a telephone switching system - Google Patents
Apparatus for switching calls to remotely located port groups in a telephone switching systemInfo
- Publication number
- CA1173945A CA1173945A CA000389573A CA389573A CA1173945A CA 1173945 A CA1173945 A CA 1173945A CA 000389573 A CA000389573 A CA 000389573A CA 389573 A CA389573 A CA 389573A CA 1173945 A CA1173945 A CA 1173945A
- Authority
- CA
- Canada
- Prior art keywords
- signals
- message
- signal
- data
- processor
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/02—Calling substations, e.g. by ringing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0407—Selecting arrangements for multiplex systems for time-division multiplexing using a stored program control
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US204,114 | 1980-11-05 | ||
| US06/204,114 US4393495A (en) | 1980-11-05 | 1980-11-05 | Message translation arrangement for telephony system with romote port groups |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1173945A true CA1173945A (en) | 1984-09-04 |
Family
ID=22756687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000389573A Expired CA1173945A (en) | 1980-11-05 | 1981-11-05 | Apparatus for switching calls to remotely located port groups in a telephone switching system |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4393495A (ref) |
| KR (1) | KR860000508B1 (ref) |
| CA (1) | CA1173945A (ref) |
| GR (1) | GR76314B (ref) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4621358A (en) * | 1984-12-10 | 1986-11-04 | Stromberg-Carlson Corporation | Remote switch for telephony switching system |
| JPH02165796A (ja) * | 1988-12-20 | 1990-06-26 | Fujitsu Ltd | 交換システムの起動方式 |
| SE501009C2 (sv) * | 1993-03-04 | 1994-10-17 | Ericsson Telefon Ab L M | Sätt att omstrukturera en anropssignalram i ett cellulärt mobiltelefonsystem |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4133980A (en) * | 1977-01-26 | 1979-01-09 | Trw, Inc. | Data pulse register/sender for a TDM switching system |
| US4288870A (en) * | 1978-02-02 | 1981-09-08 | Trw, Inc. | Integrated telephone transmission and switching system |
-
1980
- 1980-11-05 US US06/204,114 patent/US4393495A/en not_active Expired - Lifetime
-
1981
- 1981-02-27 GR GR64261A patent/GR76314B/el unknown
- 1981-11-05 KR KR1019810004243A patent/KR860000508B1/ko not_active Expired
- 1981-11-05 CA CA000389573A patent/CA1173945A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR830008619A (ko) | 1983-12-10 |
| KR860000508B1 (ko) | 1986-05-02 |
| GR76314B (ref) | 1984-08-04 |
| US4393495A (en) | 1983-07-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |