VoIP adapter, IP network device and method for performing advanced VoIP functions
US8077853B2 · kind B2 · utility
0Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 2005 |
| Grant date | Dec 13, 2011 |
| Priority date | — |
| Expiry date | Apr 10, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/2535
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A VoIP adapter for POTS a phone comprises: a POTS phone connector, an IP network interface, two sets of signaling senders, signaling receivers, media senders and media receivers for the POTS phone and the IP network respectively, and a controller for controlling the operations of above components. The VoIP adapter enables the user to carry out VoIP communications using a normal POTS phone and further enables use of advanced VoIP functions via the normal POTS phone, such as Call Hold, Call Transfer, Ad Hoc Conference, etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.