US 12,289,802 B2
Mobile terminated (MT) paging procedure for IP multimedia subsystem (IMS) calls
Juan Zhang, Beijing (CN); Haris Zisimopoulos, London (GB); and Sebastian Speicher, Wallisellen (CH)
Assigned to QUALCOMM Incorporated, San Diego, CA (US)
Appl. No. 17/801,507
Filed by QUALCOMM Incorporated, San Diego, CA (US)
PCT Filed Apr. 23, 2020, PCT No. PCT/CN2020/086329
§ 371(c)(1), (2) Date Aug. 22, 2022,
PCT Pub. No. WO2021/212398, PCT Pub. Date Oct. 28, 2021.
Prior Publication US 2023/0081647 A1, Mar. 16, 2023
Int. Cl. H04W 8/26 (2009.01); H04L 9/40 (2022.01); H04L 65/1016 (2022.01); H04W 68/02 (2009.01)
CPC H04W 8/26 (2013.01) [H04L 63/101 (2013.01); H04L 65/1016 (2013.01); H04W 68/02 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method of wireless communications by a UE (user equipment), comprising:
transmitting a list to an IMS (IP multimedia subsystem) service center, the list comprising a plurality of mobile station international subscriber directory numbers (MSISDNs); and
receiving a paging message indicating a paging cause for the paging message, the paging cause indicating whether a caller triggering the paging message is in the list.