US 11,974,173 B2 · Wired telephone to volte adapter

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.

Claims20

Dependent claims

A radio communications device supporting 4G/5G Long Term Evolution (LTE) cellular communications, the radio communications device comprising:

a data interface configured to exchange modem control commands and audio data with an LTE cellular modem;
a telephone interface configured to provide a two-wire analog telephone interface for connection to a telephone device;
and
a controller configured to:
exchange control signals via the telephone interface to manage voice call operations with the telephone device;
exchange analog voice channel signals corresponding to digitally modulated voice channel signals exchanged with the telephone device via the telephone interface;
convert signals between the analog voice channel signals and a Pulse Code Modulation (PCM) voice channel data stream;
exchange control information with the LTE cellular modem via the data interface to establish and manage an LTE cellular session;
and
exchange the Pulse Code Modulation (PCM) voice channel data stream via the LTE cellular session via the LTE cellular modem.

7 more elements

A computer program product for of supporting Plain Old Telephone Service (POTS) over 4G/5G Long Term Evolution (LTE) cellular communications, the computer program product comprising:

a non-transitory computer readable storage medium having computer readable program code embodied therewith, the computer readable program code comprising instructions for:
exchanging control signals via a telephone interface to manage voice call operations with a telephone device, where the telephone interface is configured to provide a two-wire analog telephone interface for connection to the telephone device;
exchanging analog voice channel signals corresponding to voice signals exchanged with the telephone device via the telephone interface;
converting signals between the analog voice channel signals and a Pulse Code Modulation (PCM) voice channel data stream;
exchanging control information with an LTE cellular modem via a data interface to establish and manage an LTE cellular session, where the data interface is configured to exchange modem control commands and audio data with an LTE cellular modem;
and
exchanging the Pulse Code Modulation (PCM) voice channel data stream via the LTE cellular session via the LTE cellular modem.

4 more elements

Dependencies are inferred from the claim text.

Wired telephone to volte adapter

Life of this patent

Wired telephone to volte adapter

Life of this patent

Abstract

Claims20