US 12,302,210 B2
Techniques for managing subscription identification for emergency call
Xinning Shen, San Diego, CA (US); Flora Pui San Chan, San Diego, CA (US); Qin Xue Frantti, San Diego, CA (US); and Osama Lotfallah, San Diego, CA (US)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Filed by QUALCOMM Incorporated, San Diego, CA (US)
Filed on Jul. 12, 2023, as Appl. No. 18/351,382.
Application 18/351,382 is a division of application No. 16/934,818, filed on Jul. 21, 2020, granted, now 11,736,922.
Claims priority of provisional application 62/881,140, filed on Jul. 31, 2019.
Prior Publication US 2023/0362614 A1, Nov. 9, 2023
Int. Cl. H04W 4/90 (2018.01); H04W 4/021 (2018.01); H04W 4/16 (2009.01); H04W 8/18 (2009.01); H04W 48/18 (2009.01); H04W 76/50 (2018.01)
CPC H04W 4/90 (2018.02) [H04W 4/022 (2013.01); H04W 4/16 (2013.01); H04W 8/183 (2013.01); H04W 48/18 (2013.01); H04W 76/50 (2018.02)] 20 Claims
OG exemplary drawing
 
1. A method of wireless communication for a wireless communication device having multiple Services Identity Modules (SIMs) for supporting multiple service subscriptions, comprising:
transmitting, from an application layer running an operating system of the wireless communication device to a communication layer below the application layer, an emergency call subscription selection request, wherein the communication layer is separate from the application layer;
receiving, at the application layer in response to the emergency call subscription selection request, a first indication of a first service subscription from the communication layer,
wherein the first indication of the first service subscription is based on information associated with the multiple service subscriptions,
wherein the information includes a first portion that is available to the communication layer and is unavailable at the application layer, and a second portion that is available at the application layer; and
determining, at the application layer in response to receiving the first indication of the first service subscription, a service subscription of the multiple service subscriptions for an emergency call.