US 12,150,038 B2
Gateway-based voice calls via a base station
Tom Chin, San Diego, CA (US); Ajith Tom Payyappilly, San Diego, CA (US); and Juan Zhang, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Jun. 4, 2021, as Appl. No. 17/339,732.
Claims priority of provisional application 63/036,381, filed on Jun. 8, 2020.
Prior Publication US 2021/0385735 A1, Dec. 9, 2021
Int. Cl. H04W 48/16 (2009.01); H04W 76/10 (2018.01); H04W 88/16 (2009.01)
CPC H04W 48/16 (2013.01) [H04W 76/10 (2018.02); H04W 88/16 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A method for wireless communications at a user equipment (UE), comprising:
establishing a wireless communications link with a base station of a wireless communications network, the wireless communications link in accordance with a first radio access technology (RAT);
identifying a lack of support for voice calls of a first type in accordance with the first RAT, the lack of support associated with one or more components of the wireless communications network;
establishing, via the wireless communications link with the base station, an internet connection;
transmitting, via the wireless communications link and the internet connection, a discovery query for a gateway for a core network of the wireless communications network;
establishing, based at least in part on the discovery query and the lack of support for voice calls of the first type in accordance with the first RAT, a connection with the gateway via the internet connection; and
initiating a voice call of a second type via a call path that comprises the wireless communications link with the base station and the connection with the gateway, wherein the voice calls of the first type are different than voice calls of the second type.