GB9403419D0 - A telecommunications switching system - Google Patents
A telecommunications switching systemInfo
- Publication number
- GB9403419D0 GB9403419D0 GB9403419A GB9403419A GB9403419D0 GB 9403419 D0 GB9403419 D0 GB 9403419D0 GB 9403419 A GB9403419 A GB 9403419A GB 9403419 A GB9403419 A GB 9403419A GB 9403419 D0 GB9403419 D0 GB 9403419D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- switching system
- telecommunications switching
- telecommunications
- switching
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/20—Automatic or semi-automatic exchanges with means for interrupting existing connections; with means for breaking-in on conversations
-
- 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
- H04M3/487—Arrangements for providing information services, e.g. recorded voice services or time announcements
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Telephonic Communication Services (AREA)
- Materials For Photolithography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002090997A CA2090997A1 (en) | 1993-03-04 | 1993-03-04 | Call waiting announcement |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9403419D0 true GB9403419D0 (en) | 1994-04-13 |
GB2275847A GB2275847A (en) | 1994-09-07 |
GB2275847A8 GB2275847A8 (en) | 1996-07-14 |
Family
ID=4151250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9403419A Withdrawn GB2275847A (en) | 1993-03-04 | 1994-02-23 | Telecommunications call waiting service with recorded announcement |
Country Status (4)
Country | Link |
---|---|
CA (1) | CA2090997A1 (en) |
DE (1) | DE4406353A1 (en) |
GB (1) | GB2275847A (en) |
IT (1) | IT1273346B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI99188C (en) * | 1994-09-14 | 1997-10-10 | Nokia Mobile Phones Ltd | radiotelephone |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4788715A (en) * | 1986-10-16 | 1988-11-29 | American Telephone And Telegraph Company At&T Bell Laboratories | Announcing waiting times in queuing systems |
US4947421A (en) * | 1987-12-23 | 1990-08-07 | At&T Bell Laboratories | Call waiting arrangement providing options to both a subsequent calling party and to the called party |
JPH05207153A (en) * | 1991-12-04 | 1993-08-13 | Nec Corp | System for informing of incoming waiting |
-
1993
- 1993-03-04 CA CA002090997A patent/CA2090997A1/en not_active Abandoned
-
1994
- 1994-02-23 GB GB9403419A patent/GB2275847A/en not_active Withdrawn
- 1994-02-26 DE DE4406353A patent/DE4406353A1/en not_active Withdrawn
- 1994-02-28 IT ITMI940352A patent/IT1273346B/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
GB2275847A (en) | 1994-09-07 |
DE4406353A1 (en) | 1994-09-08 |
ITMI940352A1 (en) | 1994-09-05 |
ITMI940352A0 (en) | 1994-02-28 |
CA2090997A1 (en) | 1994-09-05 |
GB2275847A8 (en) | 1996-07-14 |
IT1273346B (en) | 1997-07-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |