Voice-over-internet-protocol (VoIP) communications
US11395216B2 · kind B2 · utility
0Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2018 |
| Grant date | Jul 19, 2022 |
| Priority date | — |
| Expiry date | Mar 18, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/06
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Systems and methods are disclosed that enable an operator of a packet switched network to provide mobile telephone services in cooperation with an operator of a cellular network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.