CA2052858A1 - Digital telecommunications system - Google Patents
Digital telecommunications systemInfo
- Publication number
- CA2052858A1 CA2052858A1 CA 2052858 CA2052858A CA2052858A1 CA 2052858 A1 CA2052858 A1 CA 2052858A1 CA 2052858 CA2052858 CA 2052858 CA 2052858 A CA2052858 A CA 2052858A CA 2052858 A1 CA2052858 A1 CA 2052858A1
- Authority
- CA
- Canada
- Prior art keywords
- subscriber station
- code
- calling
- subscriber
- telecommunications system
- 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.)
- Abandoned
Links
- 230000006870 function Effects 0.000 claims abstract description 10
- 150000001768 cations Chemical class 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/424—Arrangements for automatic redialling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/48—Arrangements for recalling a calling subscriber when the wanted subscriber ceases to be busy
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
- H04M2201/36—Memories
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2242/00—Special services or facilities
- H04M2242/22—Automatic class or number identification arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/42025—Calling or Called party identification service
- H04M3/42034—Calling party identification service
- H04M3/42059—Making use of the calling party identifier
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/72—Finding out and indicating number of calling subscriber
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19904031857 DE4031857A1 (de) | 1990-10-08 | 1990-10-08 | Digitale telekommunikationsanlage |
| DEP4031857.5 | 1990-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2052858A1 true CA2052858A1 (en) | 1992-04-09 |
Family
ID=6415841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2052858 Abandoned CA2052858A1 (en) | 1990-10-08 | 1991-10-07 | Digital telecommunications system |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0480233A2 (cg-RX-API-DMAC7.html) |
| JP (1) | JPH04264867A (cg-RX-API-DMAC7.html) |
| CA (1) | CA2052858A1 (cg-RX-API-DMAC7.html) |
| DE (1) | DE4031857A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2126897C (en) * | 1993-09-01 | 1998-09-22 | Anthony R. Dipierro, Jr. | Telephone call notification feature |
| US5533100A (en) * | 1994-07-29 | 1996-07-02 | At&T Corp. | Communications system call complete arrangement |
| US6782268B1 (en) | 1998-06-23 | 2004-08-24 | Lucent Technologies Inc. | Method and apparatus for tracking call history for mobile and wireline users accessing the network on different ports for subsequent calls |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5829259A (ja) * | 1981-08-17 | 1983-02-21 | Hitachi Ltd | 発呼者呼出方式 |
| JPS60144063A (ja) * | 1984-01-06 | 1985-07-30 | Nec Corp | 再呼び出し方式 |
| JPS62171363A (ja) * | 1986-01-24 | 1987-07-28 | Nec Corp | 呼返し接続方式 |
| DE3910485B4 (de) * | 1989-03-31 | 2007-12-20 | Siemens Ag | Verfahren zur automatischen Durchschaltung einer Verbindung zwischen zwei Endgeräten einer Fernsprechanlage |
-
1990
- 1990-10-08 DE DE19904031857 patent/DE4031857A1/de not_active Withdrawn
-
1991
- 1991-09-24 EP EP19910116204 patent/EP0480233A2/de not_active Withdrawn
- 1991-09-30 JP JP27867291A patent/JPH04264867A/ja active Pending
- 1991-10-07 CA CA 2052858 patent/CA2052858A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| EP0480233A3 (cg-RX-API-DMAC7.html) | 1994-01-12 |
| EP0480233A2 (de) | 1992-04-15 |
| DE4031857A1 (de) | 1992-04-09 |
| JPH04264867A (ja) | 1992-09-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |