IN164858B - - Google Patents
Info
- Publication number
- IN164858B IN164858B IN586/CAL/87A IN586CA1987A IN164858B IN 164858 B IN164858 B IN 164858B IN 586CA1987 A IN586CA1987 A IN 586CA1987A IN 164858 B IN164858 B IN 164858B
- Authority
- IN
- India
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
-
- 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
- H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3630989 | 1986-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN164858B true IN164858B (es) | 1989-06-17 |
Family
ID=6309389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN586/CAL/87A IN164858B (es) | 1986-09-11 | 1987-07-29 |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0263972A3 (es) |
| AU (1) | AU597420B2 (es) |
| FI (1) | FI873929A (es) |
| IN (1) | IN164858B (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IN167984B (es) * | 1986-09-23 | 1991-01-19 | Siemens Ag |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3766325A (en) * | 1971-09-13 | 1973-10-16 | Lordel Mfg Co | Control circuits for key telephone system |
| US4490583A (en) * | 1983-02-14 | 1984-12-25 | Circom, Inc. | Plural line telephone controller |
| IN167984B (es) * | 1986-09-23 | 1991-01-19 | Siemens Ag |
-
1987
- 1987-07-29 IN IN586/CAL/87A patent/IN164858B/en unknown
- 1987-09-08 EP EP87113137A patent/EP0263972A3/de not_active Withdrawn
- 1987-09-10 FI FI873929A patent/FI873929A/fi not_active IP Right Cessation
- 1987-09-10 AU AU78245/87A patent/AU597420B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP0263972A3 (de) | 1989-06-07 |
| AU7824587A (en) | 1988-03-17 |
| FI873929A0 (fi) | 1987-09-10 |
| AU597420B2 (en) | 1990-05-31 |
| EP0263972A2 (de) | 1988-04-20 |
| FI873929A (fi) | 1988-03-12 |