FR2667751B1 - CALL PROCESSOR FOR TELEPHONE SWITCHING SYSTEM. - Google Patents
CALL PROCESSOR FOR TELEPHONE SWITCHING SYSTEM.Info
- Publication number
- FR2667751B1 FR2667751B1 FR9110611A FR9110611A FR2667751B1 FR 2667751 B1 FR2667751 B1 FR 2667751B1 FR 9110611 A FR9110611 A FR 9110611A FR 9110611 A FR9110611 A FR 9110611A FR 2667751 B1 FR2667751 B1 FR 2667751B1
- Authority
- FR
- France
- Prior art keywords
- switching system
- telephone switching
- call processor
- call
- telephone
- 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 - Fee Related
Links
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
- H04M3/42314—Systems providing special services or facilities to subscribers in private branch exchanges
-
- 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
- H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
- H04M3/527—Centralised call answering arrangements not requiring operator intervention
-
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/46—Arrangements for calling a number of substations in a predetermined sequence until an answer is obtained
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US57342390A | 1990-08-27 | 1990-08-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2667751A1 FR2667751A1 (en) | 1992-04-10 |
FR2667751B1 true FR2667751B1 (en) | 1994-09-30 |
Family
ID=24291938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9110611A Expired - Fee Related FR2667751B1 (en) | 1990-08-27 | 1991-08-26 | CALL PROCESSOR FOR TELEPHONE SWITCHING SYSTEM. |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH04245842A (en) |
DE (1) | DE4127966A1 (en) |
FR (1) | FR2667751B1 (en) |
GB (1) | GB2249694B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101848220A (en) * | 2010-05-12 | 2010-09-29 | 中兴通讯股份有限公司 | Method for realizing one-time dialing of switchboard and extension and audio conference service system |
CN102801877B (en) * | 2012-05-23 | 2015-02-18 | 任峰 | Interactive voice response (IVR)-free virtual switchboard service method and system |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3325435A1 (en) * | 1983-04-13 | 1984-10-18 | Elmeg Elektro-Mechanik Gmbh, 3150 Peine | TELEPHONE EXTENSION SYSTEM |
JPS6084091A (en) * | 1983-05-31 | 1985-05-13 | Nec Corp | Main wire incoming connection system |
US4629831A (en) * | 1984-02-13 | 1986-12-16 | Amtel Communications, Inc. | Series connected interceptor |
US4696028A (en) * | 1984-03-26 | 1987-09-22 | Dytel Corporation | PBX Intercept and caller interactive attendant bypass system |
US4682354A (en) * | 1984-12-04 | 1987-07-21 | At&T Company | Automatic call coverage for unattended PBX stations |
US4653089A (en) * | 1984-12-31 | 1987-03-24 | Grigory Eydelman | Personal telephone adapter |
NL8503533A (en) * | 1985-12-20 | 1987-07-16 | Hans Jan Pieter Kolk | Automatic telephone calling and connection system for PBX - operates via public telephone using coded acoustic signal network but need no manual operator |
-
1991
- 1991-08-02 GB GB9116678A patent/GB2249694B/en not_active Expired - Fee Related
- 1991-08-23 DE DE19914127966 patent/DE4127966A1/en not_active Withdrawn
- 1991-08-26 FR FR9110611A patent/FR2667751B1/en not_active Expired - Fee Related
- 1991-08-27 JP JP21553291A patent/JPH04245842A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH04245842A (en) | 1992-09-02 |
GB9116678D0 (en) | 1991-09-18 |
GB2249694A (en) | 1992-05-13 |
GB2249694B (en) | 1994-09-21 |
FR2667751A1 (en) | 1992-04-10 |
DE4127966A1 (en) | 1992-06-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |