PSTN-internet notification services
US6819667B1 · kind B1 · utility
241Cited by
10References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 5, 1999 |
| Grant date | Nov 16, 2004 |
| Priority date | — |
| Expiry date | Aug 5, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M3/533
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
PSTN Internet Notification (PIN) services that can be provided as part of interconnecting IP and Public Switched Telephone Network (PSTN) systems with the intent of converging existing and creating new hybrid PSTN and IP services. PSTN Events Notification, based on well-defined PIN protocols, will promote interoperability of both the networks and systems built by different vendors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.