SE305237B - - Google Patents
Info
- Publication number
- SE305237B SE305237B SE2388/63A SE238863A SE305237B SE 305237 B SE305237 B SE 305237B SE 2388/63 A SE2388/63 A SE 2388/63A SE 238863 A SE238863 A SE 238863A SE 305237 B SE305237 B SE 305237B
- Authority
- SE
- Sweden
- Prior art keywords
- exchange
- call
- sent
- originating
- information
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/36—Statistical metering, e.g. recording occasions when traffic exceeds capacity of trunks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Facsimiles In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US177815A US3157743A (en) | 1962-03-06 | 1962-03-06 | Telephone call progress recording system |
Publications (1)
Publication Number | Publication Date |
---|---|
SE305237B true SE305237B (xx) | 1968-10-21 |
Family
ID=22650080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE2388/63A SE305237B (xx) | 1962-03-06 | 1963-03-05 |
Country Status (3)
Country | Link |
---|---|
US (1) | US3157743A (xx) |
GB (1) | GB1030247A (xx) |
SE (1) | SE305237B (xx) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5429061B2 (xx) * | 1973-12-17 | 1979-09-20 | ||
US4348554A (en) * | 1980-03-21 | 1982-09-07 | Bell Telephone Laboratories, Incorporated | Method of providing virtual private network telephone service |
US5659542A (en) | 1995-03-03 | 1997-08-19 | Intecom, Inc. | System and method for signalling and call processing for private and hybrid communications systems including multimedia systems |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2767246A (en) * | 1947-09-04 | 1956-10-16 | Bell Telephone Labor Inc | Automatic message accounting system |
US2779824A (en) * | 1952-08-29 | 1957-01-29 | Ericsson Telefon Ab L M | Identifier |
US2886642A (en) * | 1953-04-13 | 1959-05-12 | Gen Dynamics Corp | Automatic toll ticketing |
US2976365A (en) * | 1954-09-10 | 1961-03-21 | Bell Telephone Labor Inc | Automatic telephone traffic recorder employing magnetic tape |
US3014987A (en) * | 1957-08-15 | 1961-12-26 | Automatic Elect Lab | Automatic toll ticketing telephone system |
US2913526A (en) * | 1958-10-21 | 1959-11-17 | American Telephone & Telegraph | Calling station identification circuit |
-
1962
- 1962-03-06 US US177815A patent/US3157743A/en not_active Expired - Lifetime
-
1963
- 1963-02-28 GB GB8012/63A patent/GB1030247A/en not_active Expired
- 1963-03-05 SE SE2388/63A patent/SE305237B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1030247A (en) | 1966-05-18 |
US3157743A (en) | 1964-11-17 |
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