Wired telephone to volte adapter
US11974173B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 1, 2022 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Sep 1, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W36/00226
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Systems and methods for a radio communications device supporting LTE cellular communications. A device includes a data interface configured to exchange modem control commands and audio data with an LTE cellular modem and a telephone interface configured to provide a two-wire analog telephone interface for connection to a telephone device. A controller control signals provided via the telephone interface to manage voice call operations with the telephone device; exchange digital voice data corresponding to voice signals exchanged with the telephone device via the telephone interface; exchange control information via the data interface to establish and manage a voice over LTE cellular call; and exchange the digital voice data via the voice over LTE cellular call via the LTE cellular modem.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.