Ocal exchange subscriber line conferencing method
Abstract
A local conferencing exchange subscriber line conferencing method using a series of input signals from the phone (22) of a subscriber (20), such as a dual-tone multifrequency (DTMF) sequence of key inputs starting with a star key input, to initiate the conference by enabling a termination attempt trigger (T A T). The conference is set up in a bridge (80) and the phone (22) of the subscriber (20) is connected to the bridge (80). All subsequent callers (40) to the subscriber's phone number at the local exchange carrier (100) are routed and connected to the conference at the bridge (80). When the conference call ends, the subscriber's phone (22) is returned to normal service.
Term
No projected expiry on record.
- Priority
- Filed
- Published
- Today
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| US5974133A | Cites | United States of America | Y | International search |
| US5995608A | Cites | United States of America | Y | International search |
| US6178237B1 | Cites | United States of America | Y | International search |
| US6269159B1 | Cites | United States of America | Y | International search |
| US6304652B1 | Cites | United States of America | YP | International search |
9 members in 4 offices
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 30941901 | United States of America | P | |
| 60309419 | – | – | – |
| US20010309419P | – | – | – |
Members9
| Document | Office | Kind | |
|---|---|---|---|
| US2003026406A1 | United States of America | A1 | |
| US2003026407A1 | United States of America | A1 | |
| CA2456171A1 | Canada | A1 | |
| WO03013008A2 | World Intellectual Property Organization (WIPO) | A2 | |
| AU2002330934A1 | Australia | A1 | |
| WO03013008A3This record | World Intellectual Property Organization (WIPO) | A3 | |
| US6885740B2 | United States of America | B2 | |
| US6898273B2 | United States of America | B2 | |
| CA2456171C | Canada | C |
11 legal events, as 3 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Non-entry into the national phaseNENP | NENP | JP | |
| Wipo information: withdrawn in national officeWithdrawnWWW | WWW | WO | |
| Ep: pct application non-entry in european phase122 | 122 | WO | |
| Procedure relating to pct application: ceased to have effect for deCeased8642 | 8642 | DE | |
| Wipo information: entry into national phaseWWE | WWE | WO | |
| Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)DFPE | DFPE | WO | |
| Ep: the epo has been informed by wipo that ep was designated in this application121 | 121 | WO | |
| Designated statesAK | AK | WO | |
| Designated statesAK | AK | WO | |
| Designated countries for regional patentsAL | AL | WO | |
| Designated countries for regional patentsAL | AL | WO |
Numbers
- Publication
- 03/013008
- Publication, DOCDB
- 03013008
- Publication, EPODOC
- WO03013008
- Application
- 224126
- Application, DOCDB
- 0224126
- Application, EPODOC
- WO2002US24126
Titles2
- English
- OCAL EXCHANGE SUBSCRIBER LINE CONFERENCING METHOD
- French
- PROCEDE DE TELECONFERENCE PAR LIGNE D'ABONNE D'UN CENTRAL LOCAL
Classification
- CPC, 6
- H04M3/54
- H04M3/56
- H04M3/563
- H04M2203/5009
- H04M2203/5018
- H04M2203/5054
- IPC, 2
- H04M3 54
- H04M3 56
Designated states4
- Regional, 4
- Zimbabwe
- Turkmenistan
- Türkiye
- Togo